Construction of California High-Speed Rail

The California High-Speed Rail system is being constructed by the California High-Speed Rail Authority (CHSRA). The project is expected to span about 800 miles (1,300 km) and will be completed in two phases:

Overview of project segments

Due to the project being only partially funded, the Authority is completing the environmental clearance of Phase 1 and focusing construction activity on the Early Operating Segment (EOS)[a] in the Central Valley. The EOS is intended to be a self-contained and financially self-sustaining high-speed rail system, improving on and replacing the existing Amtrak Gold Runner service between Merced and Bakersfield.[1]: 15  As funding becomes available, the Authority plans to extend the system to San Francisco in the northwest, and subsequently southwards to Los Angeles and Anaheim.

To deliver operational segments of high-speed rail, the Authority must seek environmental clearance, followed by design and civil construction, then track and systems installation, and static and dynamic testing.

Phase 1 status by segment
Section Corridor type Environmental clearance Funding Civil construction Track & systems
San Francisco[b] to San Jose Blended (Caltrain) Cleared Partially funded (Caltrain electrification) HSR construction not yet started Electrified Caltrain service
San Jose to Gilroy Blended (Caltrain) Cleared Not yet funded Not yet started Not yet started
Gilroy to Madera Cleared Partially funded Not yet started Not yet started
Merced Extension Dedicated high-speed right-of-way Cleared Fully funded, but possibly resequenced 60% design complete; advancing to 100% design and land acquisition Procurement underway
Madera to Fresno Cleared Funded In progress (CP 1) Procurement underway
Fresno to Tulare/Kern Cleared Funded In progress (CP 2-3) Procurement underway
Tulare/Kern to Poplar Ave Cleared Funded Substantively complete (CP 4)[c] Procurement underway
Poplar Ave to Bakersfield Cleared Funded Advancing to 60% design Procurement underway
Bakersfield to Palmdale Cleared Not yet funded Not yet started Not yet started
Palmdale to Burbank Cleared Not yet funded Not yet started Not yet started
Burbank to Los Angeles Blended (Metrolink, Amtrak, and Union Pacific) Cleared Not yet funded Not yet started Not yet started
Los Angeles to Anaheim Blended (Metrolink, Amtrak and BNSF) Awaiting clearance Not yet funded Not yet started Not yet started

History of construction

Major construction milestones

  • On December 2, 2010, the Authority Board of Directors voted to begin construction on the first section of the system (in the Central Valley).
  • On July 19, 2012, Governor Jerry Brown signed legislation approving construction of the high-speed system.[2][3]
  • On January 6, 2015, the City of Fresno hosted a groundbreaking ceremony to mark the commencement of sustained construction activities.[4]
  • On January 6, 2025, groundbreaking for the railhead was held outside of Bakersfield, in a ceremony marking the substantive completion of CP 4 and the beginning of laying track.[5]
  • On November 26, 2025, the Authority Board of Directors officially opened a request for proposals for tracking and systems procurement for the entire Central Valley IOS from the Merced Extension to downtown Bakersfield. [6]

Past projected construction timelines

The 2008 Business Plan projected that construction for the entire project would be completed by 2030.[7]

The 2012 Business Plan projected HSR service between Los Angeles and San Francisco would not be available until 2029.[8]

The 2016 Business Plan projected:

  • By 2018: The Initial Construction Segment (ICS) would be completed – 130 miles (210 km) – Merced to Bakersfield.
  • By 2022: Initial Operating Section (IOS) would be completed – 300 miles (480 km) – Merced to Burbank[9]
  • By 2027: Bay to Basin would be completed – 410 miles (660 km) – San Jose & Merced to Burbank
  • By 2029: Phase 1 Blended would be completed – 520 miles (840 km) – San Francisco to Los Angeles/Anaheim

The 2018 Business Plan projected HSR service between Los Angeles and San Francisco will not be available until 2033.[10]

The 2020 Business Plan projected HSR service between Silicon Valley and the Central Valley would be operational by late 2031, and that service between Los Angeles and San Francisco will be operational in 2033.[11]

The 2022 Business Plan does not have a projected timeline for completion of any of the segments other than the Interim IOS, recognizing that financial constraints make such an estimate unpredictable. Table 5.0 gives estimates of costs to finish the construction in year of expenditure dollars, but assumes that there would be no major delays.[12]

Initial construction approvals

On December 2, 2010, the Authority Board of Directors voted to begin construction on the first section of the system from Madera to Fresno, known as the Initial Construction Segment (ICS). Five "construction packages" were initially planned for this section. With the Design-Build contractual system the Authority was using, the contractor would be responsible for the final construction design elements, following the guidelines and specifications of the contract. The intent of this (as explained by Dan Richard, chair of the Authority) was to minimize last minute design change orders arising during the construction process (which tend to add to expenses and slow construction).[13]

On December 20, 2010, due to the infusion of an additional $616 million in federal funds reallocated from states that canceled their high-speed rail plans, the initial segment of construction was extended to Bakersfield. Another $300 million was reallocated on May 9, 2011, extending the funded portion north to the future Chowchilla Wye (where trains can be turned).[14]

In September 2012, the Obama administration gave California's high-speed rail project the green light to streamline the permitting process for the 114-mile (183 km) section of the project which starts just north of Fresno in Madera County and runs south to Bakersfield.

On August 12, 2014, the federal Surface Transportation Board approved the HSR route from Fresno to Bakersfield. This was the final approval needed before beginning construction.[15]

Also, on December 15, 2014, the federal Surface Transportation Board determined (using well-understood preemption rules) that its approval of the HSR project in August "categorically preexempts" lawsuits filed under the California Environmental Quality Act (CEQA). This cleared the last obstacle before construction could begin.[16] However, this supposition is still being tested in the California courts in a similar case, Friends of Eel River v. North Coast Railroad Authority.[17]

On June 10, 2015, the Authority authorized a "Rail Delivery Partner" contract to be negotiated and signed by the CEO, valued at up to $700 million, for services through 2022. This is a successor to the support provided by the current Project Management Team contract. The RDP will provide engineering and management services to see the project from a planning mode into a construction mode. The RDP partnership under the lead of Parsons Brinckerhoff includes Network Rail Consulting (the international consulting arm of the UK rail authority) and LeighFisher (a global management firm with extensive experience in infrastructure and advisory services). The other partnership competing was under Bechtel Infrastructure Corporation.[18]

Central Valley Construction

As of October 2024, active construction in the Central Valley has been ongoing on 119 miles (192 km) of high-speed right-of-way with a design speed of 220 miles per hour (350 km/h). These 119 miles are constructed by three different consortia, split into so-called "construction packages (CPs)": CP 1, CP 2-3, and CP 4. The full "initial operating segment (IOS)" in the Central Valley will stretch 171 miles (275 km), with its remaining segments under advanced design and construction contracts yet to be awarded.

Initial contracts awards (119 miles)

CP 1. On August 20, 2013, the joint venture of Tutor Perini/Zachry/Parsons executed a design-build contract for the initial Madera to Fresno segment, about 29 miles (47 km) long. The contract is valued at approximately $985 million, plus an additional $53 million in provisional sums.[19] Construction was originally expected to begin in 2013, but was delayed by the slow pace of property acquisition.[20]

CP 2-3. Dragados of Spain, with Flatiron West of San Marcos, and Jacobs Engineering of Oakland, won the bid for the second design-build construction package on December 11, 2014. Dragados/Flatiron/Jacobs submitted a bid of $1,365,335,890 to design and build the 65-mile (105 km) stretch from the south end of Fresno to near the Tulare-Kern county line and was deemed the "apparent best value" bidder by the Authority.[21] The winning bid came well below the range of $1.5 billion to $2 billion that was forecast by engineers and consultants working for the rail authority due to their innovative plan for cutting-and-filling instead of more expensive construction alternatives.[13] This plan however was deemed impossible due to soil and hydrological conditions on site and the plan was reverted to its original designs.

CP 4. Five construction teams competed for this 22-mile (35.4 km) segment.[22] This section was estimated to cost $400–500 million.[23] In January 2016 the apparent best value bid of $347.5 million (about $50 to $150 less than the estimated cost) was received from California Rail Builders (a consortium led by Ferrovial Agroman US Corp, an American subsidiary of Spain's Ferrovial S.A., also including Eurostudios, a Spanish engineering firm, and Othon Inc., a Houston-based engineering and environmental consulting company).[24] The California Rail Builders bid was $347.5 million. The contract awarded includes an additional $107 million for utility relocation costs for electric, gas and communication lines.[25] This project has had the least issues out of all of the current construction packages and is set to be completed by late 2023.

This package was shortened by about 8 miles (13 km) to a length of 22 miles (35 km) due to disputes with the cities of Bakersfield and Shafter. The construction segment now ends on the north side of Shafter due to the need to negotiate routes through Shafter and northern Bakersfield. The agreement between the cities and the Authority gave the parties until January 2016 to come up with the new alignment.[26] The Poplar Avenue to Bakersfield Locally Generated Alternative was signed by the Authority's CEO on October 31, 2019, and as of May 2022, geotechnical work has begun taking place.

Central Valley extensions (52 miles)

In August 2022, contracts for advanced design work, right-of-way mapping, and identification of utility relocation work in the Merced-Madera and the Shafter to Bakersfield (Locally Generated Alternative) segments were approved.[27] Construction will only begin once the design and land has been acquired. This reflects a change from the approach taken with the first four construction packages. Utility relocations will also begin as land is purchased to speed the construction process and avoid delays.

The Merced to Madera extension design contract ($41 million) was awarded to Stantec Consulting Services Inc., for approximately 33.9 mi. with 40 structures. The Shafter to Bakersfield (Locally Generated Alternative) extension design contract ($44.9 million) was awarded to HNTB for approximately 18.5 mi. with 31 structures. These design contracts are expected to last into 2024.[28]

Rail facilities and stations

The design contract for the Central Valley stations was awarded on October 20, 2022.[29]

In addition, a large parcel will be needed for a rail yard, train sheds, machine shops, and other buildings for work on the tracks and trainsets in the Heavy Maintenance Facility (HMF). The counties of Fresno, Madera, Merced, Kings, and Kern all have expressed some interest in being selected for the site, since it is expected to provide up to 1500 good paying jobs. Per the May 2023 CEO Report to the Board, eleven potential sites have been identified in these four counties, and an architectural and engineering contractor will be selected (approximately by October 2023) for a two-year contract to evaluate the properties, develop the necessary environmental documents, and obtain necessary approvals. In 2025 staff will provide the Board with their preferred alternative for their decision.[30]

Statewide connectivity projects

According to the Authority: "Connectivity or 'Bookend' Projects refer to the billions of dollars in infrastructure investment throughout the state that are part of the California High-Speed Rail system. These funds will strengthen and improve existing rail networks, while also connecting them with California's future high-speed rail system. Senate Bill (SB) 1029[31] passed by the California Legislature and signed by Governor Brown in July 2012, invests almost $2 billion from the Safe, Reliable, High-Speed Passenger Train Bond Act for the 21st Century (Proposition 1A) into transit, commuter, and intercity rail projects across the state. This funding leverages approximately $5 billion in additional funding for these projects."[32]

Major "bookend" investments are underway to the north and south:

  • The Caltrain electrification "bookend" investment in the Bay Area (as well as grade separations, etc.) is proceeding, and is expected to be completed in late 2024.[33]
  • A "bookend" investment in the "Link US" project (Phase A) will shortly begin construction for Los Angeles Union Station. Phase B still needs to be funded.[34]

Other connectivity projects partly funded by the Authority are:[32]

  • Bay Area Caltrain Advanced Signal System (CBOSS/Positive Train Control)
  • Bay Area Central Subway
  • Bay Area Maintenance Shop and Yard Improvements
  • Bay Area Millbrae Station Track Improvement and Car Purchase
  • Central Valley Sacramento Intermodal Facility High-Speed
  • Central Valley San Joaquin Corridor, Merced to Le Grand Segment 1
  • Central Valley Stockton Passenger Track Extension
  • Central Valley/Los Angeles Metrolink High-Speed Rail Readiness Program
  • Los Angeles Metrolink Positive Train Control
  • Los Angeles Positive Train Control, Los Angeles to Fullerton Triple Track
  • Los Angeles Positive Train Control, Moorpark to San Onofre
  • Los Angeles Regional Connector Transit Corridor
  • San Diego Blue Line Light Rail Improvements
  • San Diego North San Diego County Transit District, Positive Train Control
  • San Diego Positive Train Control, San Onofre to San Diego

Current status

Central Valley Segment (CVS)

As of June 2025, construction is primarily taking place on the Central Valley Segment (CVS), a section of the Early Operating Segment from Madera to Poplar Avenue totalling 92 structures and 119 miles (192 km) of guideway. As of April 2025, 52 of its structures are complete, 32 are underway, and 8 are not yet started; 69 miles of guideway are complete, 27 are underway, and 23 are not yet started. Out of 2,294 needed parcels, 2,274 have been delivered, and 20 are outstanding.[35]

The CVS has been divided into three construction packages: CP 1 (Madera to Fresno), CP 2-3 (Fresno to Tulare/Kern), and CP 4 (Tulare/Kern to Poplar Ave).[36][37]

Madera to Fresno (CP 1)

Construction Package 1 (CP 1) comprises 32 miles (51 km) between Avenue 19, north of Madera, and East American Avenue, south of Fresno. It includes 12 grade separations (GS), two viaducts, one tunnel, the San Joaquin River Viaduct, and the realignment of State Route 99. The contractor is the joint venture of Tutor Perini/Zachry/Parsons (TPZP), with whom the design–build contract was signed August 16, 2013.[38] A Notice to Proceed was given on October 15, 2013, and groundbreaking was on January 6, 2015, in Fresno.

As of April 2025, out of 33 structures, 18 were complete, 11 were under construction, and 4 had not yet begun construction; out of 32 miles of guideway, 11 were complete, 10 were under construction, and 11 had not yet begun construction.[35] Two additional structures were completed in May 2025, making 20 complete structures.

Substantial completion is expected by the end of 2026.[37]: 8–9 

CP 1 status by project
#[d] Project Distance[39] Status Completion Notes Refs
1 Road 26 GS[e] 166.26 mi (267.57 km) In progress Q4 2025 (exp.) 636 ft (194 m) long, 68 ft (21 m) wide; over HSR alignment and BNSF tracks. As of November 2025, bridge deck is completed. North embankment is nearly completed and sidewalks are being poured. Southern embankment is being built up to bridge deck. [37]: 9 [40][41]
Schmidt Creek Bridge Completed Over Schmidt Creek. As of June 2025, construction appears complete; deck and barriers have been poured. [1]: 9 [42]
2 Road 27 GS 167.69 mi (269.87 km) Completed Aug 20, 2021 636 ft (194 m) long, 43 ft (13 m) wide; over HSR alignment and BNSF tracks. [43]
3 Avenue 17 GS Completed Oct 30, 2025 614 ft (187 m) long, 43 ft (13 m) wide; over HSR alignment and BNSF tracks. [44]
4 Fresno River Viaduct 169.99 mi (273.57 km) Completed Mar 2018 1,600 ft (490 m) long; over Raymond Rd, Fresno River, and SR 145. First construction project started in CP 1 and the CAHSR system establishing on June 16, 2015, and first structure completed in Madera County. [45][46]
5 Avenue 15+1⁄2 GS Completed Aug 26, 2022 468 ft (143 m) long, 40 ft (12 m) wide; over HSR alignment and BNSF tracks. [47]
6 Avenue 15 GS 171.32 mi (275.71 km) Completed Aug 26, 2020 278 ft (85 m) long, 42 ft (13 m) wide; over HSR alignment and BNSF tracks. [48]
7 Cottonwood Creek Viaduct Completed Mar 2018 250 ft (76 m) long; over Cottonwood Creek. [49]
8 Avenue 12 HSR Overhead 174.81 mi (281.33 km) Completed Oct 2020 167 ft (51 m) long; over HSR alignment and local access road. [50]
9 Avenue 12 BNSF Overhead Completed Oct 2020 Over BNSF tracks east of HSR alignment.
10 Avenue 11 GS 175.82 mi (282.95 km) Completed Jul 31, 2019 110 ft (34 m) long, 34 ft (10 m) wide; over HSR alignment. [51]
11 Avenue 10 GS 176.85 mi (284.61 km) Completed Sep 8, 2020 116 ft (35 m) long, 35 ft (11 m) wide; over HSR alignment. [52]
12 Avenue 9 GS 177.94 mi (286.37 km) Completed Nov 15, 2023 177 ft (54 m) long, 66 ft (20 m) wide; over HSR alignment. [53]
Private agricultural underpass Completed Jul 31, 2019 Box culvert-style agricultural underpass under HSR alignment for private farm road.
13 Avenue 8 Overpass 179.08 mi (288.20 km) Completed Jul 31, 2019 110 ft (34 m) long, 34 ft (10 m) wide; over HSR alignment. [54]
14 Avenue 7 GS 180.27 mi (290.12 km) Completed Oct 2, 2020 196 ft (60 m) long, 43 ft (13 m) wide; over HSR alignment. [55]
15 San Joaquin River Viaduct & Pergola 181.59 mi (292.24 km) Completed Feb 2021 4,741 ft (1,445 m) long, 43 ft (13 m) wide; over San Joaquin River via a 200 ft (61 m) long arch span and UP tracks via a 1,626 ft (496 m) long pergola. [56]
16 Herndon Avenue HSR Underpass In progress Q4 2026 (exp.) Under HSR alignment and UP tracks. As of November 2025, asphalt paving is in progress for the bypass; a shoofly for the UP tracks is mostly complete between the HSR alignment and the current UP alignment with much of the rail now in place awaiting for a crossing at the Herndon bypass and to be connected to the UP main line at both ends. [37]: 9 [57]
17 Herndon Avenue UPRR Underpass In progress Q4 2026 (exp.)
Golden State Boulevard Realignment In progress Road between Herndon Ave and Ashlan Ave being realigned west, allowing space for HSR alignment between new roadway and UP tracks. As of November 2025, earthworks are being done and sidewalks are being constructed mainly between Shaw Ave and Ashlan Ave with most of the curbs for the road are now completed; asphalt paving is currently being done; the part of road just north of Barstow Ave has its paving fully completed; north of Veterans Blvd, only part of the new Golden State Blvd is constructed while area near Herndon Ave work has not begun yet while the Herndon underpass is being constructed, however, part of the road closest to Herndon has been demolished and a canal/trench has been constructed in the area. [57][58]
18 Veterans Boulevard Project[f] Completed Sep 19, 2022 HSR portion of wider project consists of a 294 ft (90 m) long, 132 ft (40 m) wide two-span overpass over Golden State Blvd, HSR alignment, and UP tracks. Associated SR 99 interchange opened on Nov 20, 2023. [59]
19 Shaw Avenue GS 184.97 mi (297.68 km) In progress Q4 2026 (exp.) Over Golden State Blvd, HSR alignment, and UP tracks. As of November 2025, the bypass north of the bridge construction area is opened to traffic with all traces of the old road and railroad crossing now removed; foundation for the western abutment is completed with framework for the abutment walls are being erected; the eastern abutment is having its foundation being constructed; both bridge bents have their columns completed with the westmost nearly completed and the eastmost ones are ready for its cap to be constructed. [37]: 9 [57][60]
State Route 99 Realignment Completed Feb 2019 Portions of highway between Ashlan Ave and Clinton Ave shifted 80–100 ft (24–30 m) west to make space for HSR alignment. [61]
20 McKinley Avenue GS 188.99 mi (304.15 km) In progress Q1 2026 (exp.) 402 ft (123 m) long, 78 ft (24 m) wide; over Golden State Blvd, HSR alignment, UP tracks, and Weber Ave. As of November 2025, the western abutment for embankment has been completed and earthworks to fill up to the embankment appears to be completed; the eastern abutment is completed ready for girders and awaiting its earthworks to it; the westmost bent is completed with all of the girders put in place on it and the western abutment, and deck work construction is in progress; columns for the eastmost bent are completed and its bent cap is currently being constructed; work for the center bridge bent has not begun yet. [37]: 9 [57][62][63]
Motel Drive[g] Realignment In progress Road between south of Clinton Ave and Olive Ave being realigned west, allowing space for HSR alignment between new roadway and UP tracks. As of November 2025, right of way largely cleared; utility relocations periodically taking place; much of the sidewalks and roadway have been constructed or are currently being constructed. [57][63]
21 Olive Avenue GS In progress Q2 2026 (exp.) Over HSR alignment, UP tracks, and Weber Ave. Utilities are being relocated; most land has been cleared on either end. [37]: 9 [64]
22 Belmont Avenue GS Completed May 23, 2025 611 ft (186 m) long, 62 ft (19 m) wide; over Wesley Ave, HSR alignment, UP tracks, and Weber Ave. [65]
23 Fresno Trench & State Route 180 Passageway 190.83 mi (307.11 km) In progress Q4 2026 (exp.) About 1 mi (1.6 km) long, 40 ft (12 m) deep; under a rail spur, an irrigation canal, and SR 180. As of November 2025, walls, floor, and lid for the tunnel are completed; work for the slope of the trench from the north side are in progress with some concrete being pour for portions of the slope, however, not much progress yet from the south side of the trench; old Belmont Ave trench has been removed to make way for extending the Fresno Trench with utility relocation work being underway in the area; Westwide Wye has been moved back to original spot and the shoofly has been removed; intrusion protection barriers are being erected between the trench and UP tracks. [37]: 9 [57][66]
Stanislaus Street Bridge Not yet started Existing structure to be removed due to inadequate vertical clearance for HSR.
24 Tuolumne Street Bridge Completed Aug 4, 2017 1,500 ft (460 m) long; over G St, HSR alignment, and UP tracks. Rebuilding of previous bridge to increase clearance and widen walkways and bike paths. First structure to be completed in Fresno County, CP 1, and CAHSR system. [67]
25 Fresno Street Underpass 191.85 mi (308.75 km) Not yet started Q2 2026 (exp.) Lengthening and renovation of underpass under HSR alignment and UP tracks. [37]: 9 
26 Tulare Street Underpass 192.03 mi (309.04 km) Completed Jul 31, 2025 1,000 ft (300 m) long, 60 ft (18 m) wide, 22 ft (6.7 m) deep; under G St, HSR alignment, and UP tracks. [68]
27 Cesar Chavez Underpass[h] 192.39 mi (309.62 km) In progress Q4 2025 (exp.) 40 ft (12 m) long, 40 ft (12 m) wide; under G St, HSR alignment, and UP tracks. As of November 2025, girders for HSR bridge have been placed and deck work is in progress; the UP bridge also has its girders in place and deck work in progress; all retaining walls appear to be completed with groundworks up to the walls are in progress, and sidewalks and streetlights within the underpass are being constructed as well. [37]: 9 [57][69][70]
State Route 41 Freeway Not yet started Minor modifications to two existing structures (westbound and eastbound) carrying SR 41 over HSR alignment.
28 Church Avenue GS In progress Q1 2026 (exp.) 340 ft (100 m) long, 84 ft 6 in (25.76 m) wide; over HSR alignment and UP tracks. 345 ft (105 m) long, 84 ft (26 m) wide; over BNSF and SJVR tracks. As of November 2025, the westernmost abutment is completed with retaining walls just about completed and groundwork filled up in the embankment; the bridge bent between the HSR alignment and UP tracks is completed and ready for girders; the middle "island" abutments are currently being constructed with the western abutment's walls completed and the eastern abutment's walls are having its frames being erected for preparation for its pour; not much work has progressed yet of the easternmost embankment. [37]: 9 [57][71]
29 Jensen Trench In progress Q4 2026 (exp.) 97 ft (30 m) long; under Jensen Ave. Routing between west embankment and 1st westernmost bridge bent to provide clearance for HSR alignment under road's pre-existing bridge. As of November 2025, groundwork for the trench is currently in progress mostly on the north side; concrete form for what looks likes the beginning phase of the trench has been built so far. [37]: 9 [57][72]
Golden State Viaduct Completed Over Golden State Blvd. [42]
30 Cedar Viaduct[i] 195.66 mi (314.88 km) Completed May 10, 2023 3,700 ft (1,100 m) long, 40 ft (12 m) wide; over North Ave, Cedar Ave, and SR 99. [73]
31 Muscat Avenue Viaduct 195.98 mi (315.40 km) Completed Jul 2019 Over Muscat Ave. Connecting between Cedar Viaduct and ground level. [74]
Property access viaduct Completed Mar 2018 Short section allowing a property access road to run underneath.
32 Central Avenue GS 196.48 mi (316.20 km) Completed May 23, 2025 432 ft (132 m) long, 42 ft (13 m) wide; over HSR alignment and BNSF tracks. [75]
33 American Avenue GS 197.49 mi (317.83 km) Completed Nov 2020 353 ft (108 m) long, 43 ft (13 m) wide; over HSR alignment and BNSF tracks. Allowance for additional track to access the HSR Heavy Maintenance Facility if it is chosen to be built just to the south. [76]

Fresno to Tulare/Kern (CP 2-3)

Construction Package 2-3 (CP 2-3) comprises 65 miles (105 km) from East American Avenue, south of Fresno, to 1 mile (1.6 km) north of the Tulare/Kern county border. It includes approximately 36 grade separations, viaducts, underpasses, and overpasses. The contractor is the joint venture of Dragados/Flatiron (DF), with whom the design–build contract was signed June 10, 2015.[77] A Notice to Proceed was given on July 25, 2015, and groundbreaking took place in August 2018.

As of April 2025, out of 48 structures, 23 were complete, 21 were under construction, and 4 had not yet begun construction; out of 65 miles of guideway, 37 were complete, 16 were under construction, and 12 had not yet begun construction.[35]

Substantial completion is expected by the end of 2026.[37]: 13–14 

CP 2-3 status by project
#[d] Project Distance[39] Status Completion Notes Refs
1 Lincoln Avenue GS[e] Canceled This grade separation has been cancelled and will not be constructed. Lincoln Ave will be terminated on either side of the HSR alignment.
2 Adams Avenue GS 199.49 mi (321.05 km) Completed Dec 20, 2022 357 ft (109 m) long, 40 ft (12 m) wide; over HSR alignment and BNSF tracks. [78]
3 South Avenue GS 200.49 mi (322.66 km) Completed Feb 28, 2022 390 ft (120 m) long, 40 ft (12 m) wide; over HSR alignment and BNSF tracks. [79]
4 BNSF Track Realignment Under construction BNSF tracks realigned east allowing space for HSR alignment between South Ave and the Conejo Viaduct. As of November 2025, the new realigned tracks have been installed and are in service; tracks that were directly in the HSR alignment are now fully removed with only a few sections of the old track remaining to be removed. [80]
5 Manning Avenue Overcrossing 201.49 mi (324.27 km) Under construction Q1 2026 (exp.) 342 ft (104 m) long, 43 ft (13 m) wide; over HSR alignment and BNSF tracks. As of November 2025, both embankments to the overpass are nearly complete; piers are complete and girders have been installed on top of them now ready for deck work. [37]: 14 [80][81]
6 Floral Avenue GS 203.52 mi (327.53 km) Completed Jul 15, 2024 381 ft (116 m) long, 40 ft (12 m) wide; over HSR alignment and BNSF tracks. [82]
7 Nebraska Avenue GS 204.60 mi (329.27 km) Under construction Q4 2026 (exp.) 785 ft (239 m) long; over HSR alignment and BNSF tracks. As of November 2025, the western embankment is complete with abutment work in progress while the eastern embankment nearly complete; a couple of bridge piers are completed with the other piers currently being constructed with some piers already having their caps being constructed. [37]: 14 [80][83]
8 Mountain View Avenue GS 205.58 mi (330.85 km) Completed Jul 15, 2024 368 ft (112 m) long, 40 ft (12 m) wide; over HSR alignment and BNSF tracks. [84]
9 Conejo Viaduct & Pergola 207.70 mi (334.26 km) Under construction Q3 2025 (exp.) 2,000 ft (610 m) long, 34 ft (10 m) wide; over Conejo Ave and BNSF tracks via a pergola. As of June 2025, all girders have been placed and embankments are completed; bridge deck and barriers on the pergola section appear complete while deck work is ongoing on the viaduct sections. [37]: 14 [42][85]
10 Peach Avenue Viaduct 208.29 mi (335.21 km) Completed Dec 6, 2024 306 ft (93 m) long, up to 43 ft (13 m) wide; over Peach Ave. [86]
11 Elkhorn Avenue GS 210.18 mi (338.25 km) Completed Jul 7, 2023 345 ft (105 m) long, 40 ft (12 m) wide; over HSR alignment. [87]
12 Fowler Avenue Overcrossing 210.73 mi (339.14 km) Completed Dec 21, 2022 299 ft (91 m) long, 40 ft (12 m) wide; over HSR alignment. [88]
13 Davis Avenue Overcrossing 212.08 mi (341.31 km) Completed Oct 30, 2023 416 ft (127 m) long, 32 ft (9.8 m) wide; over HSR alignment. [89]
14 State Route 43 Tied Arch Bridge Under construction Q3 2025 (exp.) 249 ft (76 m) long, 52 ft (16 m) wide; over SR 43. As of November 2025, bridge deck is complete and concrete pour for the arches appear to be completed as well; final works on the bridge are in progress. [37]: 14 [80][90][91]
15 Cole Slough Viaduct Under construction Q2 2026 (exp.) Over Cole Slough. As of November 2025, abutment and pier works are completed; all tub girders have been installed preparing for deck work. [37]: 14 [80]
16 Dutch John Cut Bridge Under Construction Q1 2026 (exp.) 669 ft (204 m) long, 43 ft (13 m) wide; over Dutch John Cut. As of November 2025, abutment and pier works are completed with retaining walls leading up to the abutments being constructed; all tub girders have been installed preparing for deck work. [37]: 14 [42][80][92]
17 9th Avenue Viaduct 215.67 mi (347.09 km) Completed Over 9th Ave. Bridge is now completed. Embankment appears to be finished. [93]
18 Cairo Avenue Viaduct 216.09 mi (347.76 km) Completed Dec 20, 2022 84 ft (26 m) long, 43 ft (13 m) wide; over Cairo Ave. [94]
19 Kings River Bridge Under construction Q2 2025 (exp.) 445 ft (136 m) long, 43 ft (13 m) wide; over Kings River. As of April 2025, construction on abutments, piers, and girders are completed; bridge deck is currently being constructed. [37]: 14 [95][96]
20 Dover Avenue Overcrossing 217.82 mi (350.55 km) Completed May 3, 2023 227 ft (69 m) long, 43 ft (13 m) wide; over HSR alignment. [97]
21 Excelsior Avenue GS 218.3 mi (351.3 km) Under construction Over HSR alignment. Bridge deck completed for 5 years. Embankments were started but stopped. Cause of construction unclear, possible utility holdup. Date of construction resuming unknown. [98]
22 Elder Avenue GS Canceled This grade separation has been cancelled and will not be constructed. Elder Ave will be terminated on either side of HSR alignment.
23 Flint Avenue GS 220.86 mi (355.44 km) Completed Jun 26, 2024 205 ft (62 m) long, 40 ft (12 m) wide; over HSR alignment. [99]
24 Fargo Avenue GS 221.88 mi (357.08 km) Completed Jan 30, 2025 205 ft (62 m) long, 40 ft (12 m) wide; over HSR alignment. [100]
25 Grangeville Boulevard Viaduct 222.91 mi (358.74 km) Under construction Q4 2026 (exp.) Over Grangeville Blvd. As of December 2025, utility relocations are completed and embankment works are currently being constructed. [37]: 14 [42][101]
26 Hanford Viaduct 223.94 mi (360.40 km) Under construction Q4 2025 (exp.) 6,330 ft (1,930 m) long; over San Joaquin Valley Railroad tracks and SR 198. As of December 2025; all abutments, bridge piers, and girders have been constructed; the southern embankment is completed while the northern embankment has not started yet; rebar & barrier construction is in progress; preparations for deck work over the SJVR portion of the viaduct is in progress with one bridge bent cap needing concrete to be poured for the whole portion to be fully ready for deck work. [37]: 14 [101][102]
27 Hanford Armona Road GS 224.92 mi (361.97 km) Completed Oct 31, 2025 209 ft (64 m) long, 80 ft (24 m) wide; over HSR alignment. [103]
28 Houston Avenue GS 225.96 mi (363.65 km) Under construction Q4 2026 (exp.) Over HSR alignment. As of December 2025, groundworks have started. [37]: 14 [101]
29 Iona Avenue GS Canceled According to CAHSR supplemental update, structure not listed in CP 2-3 so appears to be cancelled. Iona Ave will most likely be terminated on either side of HSR alignment.
30 Idaho Avenue Overcrossing 227.96 mi (366.87 km) Completed May 3, 2023 205 ft (62 m) long, 40 ft (12 m) wide; over HSR alignment. [104]
31 Jackson Avenue Overcrossing 228.97 mi (368.49 km) Completed Sep 15, 2022 212 ft (65 m) long, 35 ft (11 m) wide; over HSR alignment. First structure to be completed in Kings County. [105]
32 State Route 43 Bridge at Jersey Avenue 230.27 mi (370.58 km) Under construction Q1 2026 (exp.) Over HSR alignment. High speed rail will pass through a closed Jersey Ave and under SR 43 which will be rebuilt on an elevated structure. Road was temporarily realigned to the west in mid-November 2023. As of December 2025, embankments and bridge piers are complete; tub girders have been put into place as deck work on top of them is currently being constructed. [37]: 14 [42][101]
33 Kent Avenue GS 231.18 mi (372.05 km) Completed Oct 12, 2022 215 ft (66 m) long, 35 ft (11 m) wide; over HSR alignment. [106]
34 Kansas Avenue GS 232.21 mi (373.71 km) Completed Nov 2, 2023 207 ft (63 m) long, 43 ft (13 m) wide; over HSR alignment. [107]
35 Lansing Avenue Underpass Under construction Q3 2025 (exp.) Box culvert-style agricultural underpass under HSR alignment. As of December 2025, culvert appears to be nearly completed with some more rebar for walls to the west of it being erected and groundwork around it and the roadway being constructed. [37]: 14 [101]
36 Cross Creek Viaduct Under construction Q2 2025 (exp.) 2,500 ft (760 m) long, 43 ft (13 m) wide; over Cross Creek. As of December 2025, deck work is completed; work on the barriers are in progress with about half of the work done. [37]: 14 [101][108]
37 State Route 43 Curved Bridge 235.82 mi (379.52 km) Under construction Q2 2026 (exp.) 660 ft (200 m) long, 45 ft (14 m) wide; over HSR alignment. Road was temporarily realigned in early November 2023. As of December 2025, embankments are completed and work on bridge bents are currently being constructed; bridge bents including a straddle bent over the alignment have been constructed; framework for the bridge deck is being prepared. [37]: 14 [42][101][109]
38 Newark Avenue Overpass Canceled This grade separation most likely has been cancelled and will not be constructed. Newark Ave will likely be terminated on either side of HSR alignment. West of HSR alignment, a new Niles Ave access road to Newark has been constructed; east of HSR alignment, Niles will likely be realigned north to parallel alignment to connect with 5+1⁄2 Ave for east Newark access. [101]
39 Waukena Avenue Overpass 240.17 mi (386.52 km) Under construction Q3 2026 (exp.) Over a realigned Waukena Ave (a/k/a Corcoran Highway). As of December 2025, all the bridge piers and their girders appear to be completed awaiting for deck works while embankment works are currently being constructed. [37]: 14 [101]
40 Whitley Avenue Underpass 241.16 mi (388.11 km) Completed Apr 24, 2025 128 ft (39 m) wide, 17 ft (5.2 m) deep; under HSR alignment. [110]
41 156 Avenue Underpass Completed October 2025 Box culvert agricultural underpass under high speed rail alignment. Structure completed in October 2025 as of CAHSR December update report. [37]: 14 [111][112]
42 Tule River Viaduct & Pergola 244.79 mi (393.95 km) Under construction Q4 2025 (exp.) 3,573 ft (1,089 m) long; over Ave 144, SR 43, BNSF tracks, and Tule River via a pergola. SR 43 was temporarily realigned. As of November 2025, the pergola section of the project appears completed with its frameworks for it being removed; deck work for the viaduct sections are currently being constructed; retaining wall work on the southern embankment appears completed waiting for ground works for the embankment. [37]: 14 [113][114]
43 Avenue 136 GS 245.77 mi (395.53 km) Under construction Q3 2025 (exp.) Over Ave 136. Retaining walls for embankments are currently being constructed. [37]: 14 [111]
44 Avenue 120 GS 248.1 mi (399.3 km) Under construction Q3 2026 (exp.) Over HSR alignment, BNSF tracks, and SR 43. As of June 2025, embankments appear to be near completion. After embankments are finished, construction of bridge will begin. [37]: 14 [111][115]
45 Lakeland Bridge Under construction Q1 2026 (exp.) 402 ft (123 m) long, 43 ft (13 m) wide; over existing waterway. As of June 2025, columns for bridge bents and embankments are almost complete with bent caps beginning to be constructed on some bents. [37]: 14 [111][116]
46 Avenue 88 GS 252.90 mi (407.00 km) Completed Aug 21, 2025 485 ft (148 m) long, 32 ft 8 in (9.96 m) wide; over HSR alignment, BNSF tracks, and SR 43. [117]
47 Deer Creek Viaduct Under construction Q4 2025 (exp.) 3,000 ft (910 m) long, 43 ft (13 m) wide; over Deer Creek and adjacent wetlands to the south. As of November 2025, all girders have been placed and deck work is in progress with much of it completed on the southern end; barriers are being erected on the portions with completed deck work. [37]: 14 [113][118]
48 Stoil Spur Railroad GS Under construction Q1 2026 (exp.) Over freight rail track. As of November 2025, abutments are currently being constructed with columns for the bridge bents now erected awaiting for their caps. [37]: 14 [113]
49 Alpaugh Bridge Under construction Q1 2026 (exp.) Over part of Alpaugh Pond. As of November 2025, embankment works and columns for bridge bents are currently being constructed. [37]: 14 [113]
50 Avenue 56 GS 257.16 mi (413.86 km) Completed Jun 16, 2025 219 ft (67 m) long, 35 ft (11 m) wide; over HSR alignment. First structure to be completed in Tulare County. [119]
51 Avenue 44 Agricultural Crossing Under construction Small box culvert-style agricultural underpass under HSR alignment . As of June 2025, structure looks just about complete with embankment works needed to be constructed.
52 Avenue 24 GS 261.17 mi (420.31 km) Under construction Box culvert-style agricultural underpass under HSR alignment . Utility relocations are complete. As of June 2025, structure appears to be completed while embankments are being constructed.

Tulare/Kern to Poplar Ave (CP 4)

Construction Package 4 (CP 4) comprises 22 miles (35 km) from 1 mile (1.6 km) north of the Tulare/Kern border to Poplar Avenue, northwest of Shafter. It includes at-grade embankments, retained-fill overcrossings, viaducts, aerial sections of the high-speed rail alignment, and the relocation of four miles of existing Burlington Northern Santa Fe (BNSF) tracks. The contractor is California Rail Builders (CRB), a joint venture of Ferrovial and Griffith Company, with whom the design–build contract was signed February 29, 2016.[120] A Notice to Proceed was given on April 15, 2016.

Substantial completion was achieved in 2024. As of April 2025, all 11 structures were complete; out of 21.2 miles of guideway, 21.1 were complete, and the remaining 0.1 was under construction.[35] The only remaining component is a single canal relocation.

Groundbreaking for the railhead was held outside of Bakersfield on January 6, 2025, marking the beginning of laying track.[5]

CP 4 status by project
#[d] Project Distance[39] Status Completion Notes Refs
1 Garces Highway Viaduct 266.50 mi (428.89 km) Completed Jan 27, 2021 102 ft 4 in (31.19 m) long, 52 ft 8 in (16.05 m) wide; carrying alignment over Garces Highway. First project started in CP 4. [121]
2 Pond Road Viaduct 270.00 mi (434.52 km) Completed Jul 2021 121 ft (37 m) long, 52 ft (16 m) wide; over Pond Rd/Ave. [122]
3 Peterson Road Bridge 271.20 mi (436.45 km) Completed May 10, 2023 153 ft (47 m) long, 52 ft (16 m) wide; over Peterson Rd. [123]
4 Poso Creek Viaduct Completed Oct 28, 2020 240 ft (73 m) long, 56 ft (17 m) wide; over Poso Creek. First structure completed in Kern County and in CP 4. [124]
5 McCombs Road GS[e] 277.30 mi (446.27 km) Completed Jul 18, 2023 415 ft (126 m) long, 40 ft (12 m) wide; over HSR alignment, BNSF tracks, and SR 43. [125]
6 State Route 46 Underpass Completed Mar 2024 Rebuilt underpass; under HSR alignment and BNSF tracks. [126]
7 Wasco Pedestrian Underpass 278.90 mi (448.85 km) Completed Mar 2024 58 ft (18 m) long, 15 ft (4.6 m) wide; box culvert underpass for pedestrians to cross under HSR alignment to access Wasco Amtrak station along adjacent BNSF tracks. [127]
8 Poso Avenue Underpass Completed Aug 3, 2023 1,084 ft (330 m) long, 67 ft (20 m) wide; under HSR alignment, BNSF tracks, and Wasco Ave (J St). [128]
9 Wasco Viaduct 280.40 mi (451.26 km) Completed Mar 2023 2,000 ft (610 m) long; over BNSF tracks via a pergola. [129]
10 Kimberlina Viaduct 281.40 mi (452.87 km) Completed Feb 2023 110 ft (34 m) long; over Kimberlina Rd. [130]
11 Merced Avenue GS Completed Aug 8, 2023 509 ft (155 m) long, 43 ft (13 m) wide; over SR 43, BNSF tracks, and HSR alignment. [131]

Merced and Bakersfield extensions

The Merced to Madera and Poplar Ave to Bakersfield segments (Merced and Bakersfield extensions, respectively) are under design, with completion of mapping and commencement of parcel acquisition targeted by the end of 2025. Design for both extensions is funded, and construction for the Bakersfield extension is funded from Poplar Ave to approximately Bakersfield Airport.[1]: 17 

Northern and Southern California

"Bookend" investments in Northern and Southern California are underway to improve existing rail lines and prepare for the arrival of high-speed rail service. In the Bay Area, the Authority provided partial funding for the Caltrain Modernization Program, electrifying and adding positive train control to Caltrain commuter rail service; revenue service on electric trainsets began in 2024. In Los Angeles, the Authority is contributing funds for the Link Union Station (LinkUS) project, expanding capacity at Los Angeles Union Station.[1]: 23 

Station construction details

Five stations are planned for the Initial Operating Segment (IOS). The design contract for the central valley stations was awarded on October 20, 2022. This contact is for initial planning, including utilities management; a follow-on contract will be necessary for detailed station construction plans.[132] The number of stations on the completed system was limited by Proposition 1A to 24.

At the start of operations of the Interim Initial Operating Segment (Interim IOS, Merced to Bakersfield) there will be 5 stations. These stations are discussed in the 2023 Project Update Report on pages 12–15. The report also has a timeline (on pages 8–9) that shows station construction is anticipated to commence in mid-2026, and finish in mid-2029.

Station Information
Station Status Location Notes Images
Merced Initial planning & design An aerial multi-modal hub station located adjacent to State Route 99, the Union Pacific Railroad Line and the Merced Transpo between R and O streets. Local community is responsible ...
Madera Initial planning & design Located North of Ave. 12 in Madera CHSRA is responsible, along with the San Joaquin Joint Powers Authority (SJJPA) ...
Fresno Historic Depot Initial planning & design. The Fresno Historic Depot seismic retrofit design has also commenced and is expected to be completed in December 2024. Located in downtown Fresno between Fresno, G, H, and Tulare streets. This will be a new station that incorporates the Historic Depot building into the site plan. CHSRA is responsible ...
Kings-Tulare Regional Initial planning & design Located near the intersection of State Routes 198 and 43 CHSRA is responsible ...
Bakersfield Initial planning & design Project area is generally bounded by F Street to the west, 38th Street to the north, Union Avenue to the east and California Avenue to the south CHSRA is responsible ...

Per the December 6, 2023 Board Memo: Construction Update: [133]

"Central Valley Station Design Update
The station design contract was executed in March 2023 and awarded to Foster + Partners and Arup (F+P Arup) for the first phase of station designs. The preliminary designs for the four Central Valley stations have started, and the concept designs were submitted to the Authority in November 2023. The Fresno Historic Depot seismic retrofit design also commenced and is expected to be completed in December 2024. Outreach and coordination efforts with local agencies and stakeholders will remain ongoing as the design of stations advances."

References

Notes

  1. ^ Also known as the Initial Operating Segment (IOS)
  2. ^ 4th and King station serves as the interim San Francisco terminus, with the planned Downtown Rail Extension project (also known as The Portal) providing an extension to the Salesforce Transit Center.
  3. ^ All structures and guideway complete except a 400 feet (120 m) section due to outstanding utility relocation
  4. ^ a b c Includes only structures enumerated in the Business Plans and counted in the Central Valley Status Reports.
  5. ^ a b c Grade Separation
  6. ^ Including Golden State Boulevard viaduct
  7. ^ Another name for parts of Golden State Blvd due to many motels located along it.
  8. ^ Formerly the Ventura Street Underpass
  9. ^ Also known as the Downtown Fresno Viaduct

Citations

  1. ^ a b c d 2025 Project Update Report (PDF) (Report). California High-Speed Rail Authority. 2025-03-01. Retrieved 2025-06-18.
  2. ^ Michael Martinez (July 19, 2012). "Governor signs law to make California home to nation's first truly high-speed rail". CNN. Retrieved September 3, 2012.
  3. ^ "Office of Governor Edmund G. Brown Jr". ca.gov. Archived from the original on September 5, 2015. Retrieved January 14, 2016.
  4. ^ "High-Speed Rail Authority Hosts Official Groundbreaking Ceremony" (PDF). California High-Speed Rail Authority. January 6, 2015.
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  84. ^ "Mountain View Avenue Grade Separation". BuildHSR. California High-Speed Rail Authority. 2025-10-20. Retrieved 2025-10-30.
  85. ^ "Conejo Viaduct". BuildHSR. California High-Speed Rail Authority. 2025-10-18. Retrieved 2025-10-30.
  86. ^ "Peach Avenue Grade Separation". BuildHSR. California High-Speed Rail Authority. 2025-06-10. Retrieved 2025-06-19.
  87. ^ "Elkhorn Avenue Grade Separation". BuildHSR. California High-Speed Rail Authority. 2025-10-18. Retrieved 2025-10-30.
  88. ^ "Fowler Avenue Grade Separation". BuildHSR. California High-Speed Rail Authority. 2025-10-19. Retrieved 2025-10-30.
  89. ^ "Davis Avenue Overcrossing". BuildHSR. California High-Speed Rail Authority. 2025-10-18. Retrieved 2025-10-30.
  90. ^ "State Route 43 Tied Arch Bridge". BuildHSR. California High-Speed Rail Authority. 2025-10-18. Retrieved 2025-10-30.
  91. ^ "California High-Speed Rail Construction Update" (PDF). Hsr.ca.gov. Retrieved July 25, 2022.
  92. ^ "Dutch John Cut Bridge". BuildHSR. California High-Speed Rail Authority. 2025-06-10. Retrieved 2025-06-19.
  93. ^ "9th Avenue Viaduct". BuildHSR. California High-Speed Rail Authority. 2025-10-19. Retrieved 2025-10-30.
  94. ^ "Cairo Avenue Viaduct". BuildHSR. California High-Speed Rail Authority. 2025-10-18. Retrieved 2025-10-30.
  95. ^ UPDATE: Kings River Bridge, Kings County (video). California High-Speed Rail Authority. 2025-05-21. Retrieved 2025-07-02 – via YouTube.
  96. ^ "Kings River Bridge". BuildHSR. California High-Speed Rail Authority. 2025-10-19. Retrieved 2025-10-30.
  97. ^ "Dover Avenue Overcrossing". BuildHSR. California High-Speed Rail Authority. 2025-10-18. Retrieved 2025-10-30.
  98. ^ "Excelsior Avenue Grade Separation". BuildHSR. California High-Speed Rail Authority. 2025-10-18. Retrieved 2025-10-30.
  99. ^ "Flint Avenue Grade Separation". BuildHSR. California High-Speed Rail Authority. 2025-10-19. Retrieved 2025-10-30.
  100. ^ "Fargo Avenue Grade Separation". BuildHSR. California High-Speed Rail Authority. 2025-10-20. Retrieved 2025-10-30.
  101. ^ a b c d e f g h i California High-Speed Rail Round 6 Part 4 Drone Coverage from Waukena Ave to Hanford Viaduct (video). Jason Dronin Around. 2025-12-15. Retrieved 2025-12-16 – via YouTube.
  102. ^ "Hanford Viaduct". BuildHSR. California High-Speed Rail Authority. 2025-10-19. Retrieved 2025-10-30.
  103. ^ "PHOTO RELEASE: High-Speed Rail Completes Kings County Grade Separation Project in Less Than a Year". hsr.ca.gov. California High-Speed Rail Authority. 2025-10-31. Retrieved 2025-10-31.
  104. ^ "Idaho Avenue Overcrossing". BuildHSR. California High-Speed Rail Authority. 2025-10-19. Retrieved 2025-10-30.
  105. ^ "Jackson Avenue Overcrossing". BuildHSR. California High-Speed Rail Authority. 2025-10-19. Retrieved 2025-10-30.
  106. ^ "Kent Avenue Grade Separation". BuildHSR. California High-Speed Rail Authority. 2025-10-18. Retrieved 2025-10-30.
  107. ^ "Kansas Avenue Grade Separation". BuildHSR. California High-Speed Rail Authority. 2025-10-19. Retrieved 2025-10-30.
  108. ^ "Cross Creek Viaduct". BuildHSR. California High-Speed Rail Authority. 2025-06-11. Retrieved 2025-06-19.
  109. ^ "State Route 43 Curved Bridge". BuildHSR. California High-Speed Rail Authority. 2025-06-10. Retrieved 2025-06-19.
  110. ^ "Whitley Avenue Underpass". BuildHSR. California High-Speed Rail Authority. 2025-10-18. Retrieved 2025-10-30.
  111. ^ a b c d California High-Speed Rail 47 Round 6 Part 3 Drone Coverage from Deer Creek Viaduct to Waukena Ave (video). Jason Dronin Around. 2025-07-31. Retrieved 2025-07-31 – via YouTube.
  112. ^ "Central Valley Status Report December 2025" (PDF). California High Speed Rail Authority. California High-Speed Rail Authority. 2025-10-10. Retrieved 2025-12-21.
  113. ^ a b c d Hanford Viaduct Nearing Completion! - California High Speed Rail in Kings & Tulare Counties (11-29-25) (video). mateosssss. 2025-12-14. Retrieved 2025-12-15 – via YouTube.
  114. ^ "Tule River Viaduct". BuildHSR. California High-Speed Rail Authority. 2025-06-10. Retrieved 2025-06-19.
  115. ^ "Avenue 120 on Sentinelhub".
  116. ^ "Lakeland Bridge". BuildHSR. California High-Speed Rail Authority. 2025-10-18. Retrieved 2025-10-30.
  117. ^ "Avenue 88 Grade Separation". BuildHSR. California High-Speed Rail Authority. 2025-06-11. Retrieved 2025-06-19.
  118. ^ "Deer Creek Viaduct". BuildHSR. California High-Speed Rail Authority. 2025-06-10. Retrieved 2025-06-19.
  119. ^ "Avenue 56 Grade Separation". BuildHSR. California High-Speed Rail Authority. 2025-10-20. Retrieved 2025-10-30.
  120. ^ "Construction Package 4". BuildHSR. California High-Speed Rail Authority. Retrieved 2025-06-19.
  121. ^ "Garces Highway Viaduct". BuildHSR. California High-Speed Rail Authority. Retrieved 2025-06-20.
  122. ^ "Garces Highway Viaduct". BuildHSR. California High-Speed Rail Authority. Retrieved 2025-06-20.
  123. ^ "Peterson Road Bridge". BuildHSR. California High-Speed Rail Authority. Retrieved 2025-06-20.
  124. ^ "Poso Creek Viaduct". BuildHSR. California High-Speed Rail Authority. Retrieved 2025-06-20.
  125. ^ "McCombs Road Grade Separation". BuildHSR. California High-Speed Rail Authority. Retrieved 2025-06-20.
  126. ^ "State Route 46 Underpass". BuildHSR. California High-Speed Rail Authority. Retrieved 2025-06-20.
  127. ^ "Wasco Pedestrian Underpass". BuildHSR. California High-Speed Rail Authority. Retrieved 2025-06-20.
  128. ^ "Poso Avenue Underpass". BuildHSR. California High-Speed Rail Authority. Retrieved 2025-06-20.
  129. ^ "Wasco Viaduct". BuildHSR. California High-Speed Rail Authority. Retrieved 2025-06-20.
  130. ^ "Kimberlina Viaduct". BuildHSR. California High-Speed Rail Authority. Retrieved 2025-06-20.
  131. ^ "Merced Avenue Grade Separation". BuildHSR. California High-Speed Rail Authority. Retrieved 2025-06-20.
  132. ^ CAHSRA. "High Speed Rail Board Awards Design Contract for Central Valley Stations".
  133. ^ "Board Memo: Construction Update" (PDF). California High-Speed Rail Authority. Retrieved 1 December 2023.
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