Wonokromo–Bangil–Pasuruan railway

Wonokromo–Bangil–Pasuruan railway is a railway line between Wonokromo and Pasuruan.

It was the first railway line owned by the Staatsspoorwegen (SS). Along the Tanggulangin–Porong section, there is a retaining wall to prevent the Sidoarjo mud flow on the east side of the tracks. At Waru, there is a container terminal that is now unused, with loading and unloading activities moved to Kalimas.^[1][2] The Surabaya Kota–Wonokromo segment is part of the southern Java line that connects East Java with Central Java, Special Region of Yogyakarta, West Java, and Jakarta and its buffer zone. This line is developed by the Surabaya Class I Railway Engineering Center within the Directorate General of Railways.^[3] Apart from the Surabaya Kota–Wonokromo segment which is double-track, the entire railway line is a single-track railway and uses semi-automatic Siemens & Halske type mechanical signalling.^[4]

The Wonokromo–Pasuruan railway line was the first SS railway line completed on 16 May 1878.^[5] This line passed through Bangil and Sidoarjo, connecting sugar factories in Sidoarjo and Pasuruan with the port in Surabaya. Maarschalk carried out this construction with "a reasonable duration and without cost overruns.

Previously, both the Wonokromo–Tarik and Wonokromo–Porong segments were double-track, but after the Japanese occupation, the lines were reverted to single-track. Double-track railway The Wonokromo–Sidoarjo and Surabaya Gubeng–Tarik lines were built in the early 1920s, but according to the SS annual report prepared for the 1923 fiscal year, the most recently completed segment was Wonokromo–Tarik. ^[6] For Surabaya Kota–Wonokromo, the project wasn't yet completed, because the Kali Jagir bridge hadn't yet been built.^[7] In November 1924, the SS planned to expand the Wonokromo emplacement, in connection with the planned construction of a double track to Sidoarjo.^[8]

The Wonokromo–Bangil segment was also built, even in 1925, SS had reported that the doubling of the line cost ƒ4,000,000, and to carry out the project, the Kali Porong bridge was widened.^[9] In November 1926, there was a reappearance of discourse to extend the double track to Kertosono and Bangil, but SS management stated that the project was being postponed.^[10]

• Kertosono–Bangil railway