Connected Vehicle Applications and Supporting Documentation

V2I Safety

Application Description

  • Red Light Violation Warning (RLVW)
    • An application that broadcasts signal phase and timing (SPat) and other data to the in-vehicle device, allowing warnings for impending red light violations
  • Curve Speed Warning (CSW)
    • An application where alerts are provided to the driver who is approaching a curve at a speed that may be too high for safe travel through that curve.
  • Stop Sign Gap Assist (SSGA)
    • An application that utilizes traffic information broadcasting from roadside equipment to warn drivers of potential collisions at stop sign intersections
  • Spot Weather Impact Warning (SWIW)
    • An application that warns drivers of local hazardous weather conditions by relaying management center and other weather data to roadside equipment, which then re-broadcasts to nearby vehicles
  • Reduced Speed/Work Zone Warning (RSWZ)
    • An application that utilizes roadside equipment to broadcast alerts to drivers warning them to reduce speed, change lanes, or come to a stop within work zones
  • Pedestrian in Signalized Crosswalk Warning (Transit)
    • An application that warns transit bus operators when pedestrians, within the crosswalk of a signalized intersection, are in the intended path of the bus

Supporting Documentation

RLVW, CSW, and SSGA

SWIW and RSWZ

Pedestrian in Signalized Crosswalk Warning (Transit)

1200 New Jersey Avenue, SE • Washington, DC 20590 • 800.853.1351 • E-mail OST-R

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