ramp meter

English

Noun

ramp meter (plural ramp meters)

  1. (road transport) A traffic light that is located at the end of an on-ramp to regulate vehicles entering a highway.
    • 2014 February 5, “Ramp Meters: Unappreciated or just misunderstood?”, in Arizona Department of Transportation[1], archived from the original on 25 June 2022:
      There’s no delicate way to put this, so we’re just going to come right out and say it – we feel that ramp meters are underappreciated. [] Yet, it’s not uncommon to see drivers totally ignore a ramp meter and drive right through its red light.