Intersection auxiliary signal system

Jian Zhang

doi:10.1117/12.228916

27 December 1995 Intersection auxiliary signal system

Jian Zhang

Proceedings Volume 2592, Collision Avoidance and Automated Traffic Management Sensors; (1995) https://doi.org/10.1117/12.228916
Event: Photonics East '95, 1995, Philadelphia, PA, United States

Abstract

Many intersection accidents are related to drivers' inappropriate responses to an amber signal light, due to their misjudgment on the traffic situation and/or their aggressive behavior. To reduce intersection accidents of this nature, this paper proposes the Intersection Auxiliary Signal System (IAS). IAS can be installed at selected intersections, where information regarding signal phasing, intersection geometry and speed limit is transmitted from an ultrasonic/infra-red transmitter. An on-vehicle device receivers and processes the information, the provides the driver with explicit suggestions on the correct action to take (continue to pass or decelerate to stop), or warnings against on-going incorrect actions. IAS is expected to be more effective in suburban intersections, which are usually characterized by greater dimension, longer amber phases, and higher vehicle speeds. Both the intersection transmitters and the on-vehicle processors are expected to have simple structures and low costs. Simulation results show that IAS has a significant effect on reducing red signal violation, especially when there is no significant dilemma zones.

Citation Download Citation

Jian Zhang "Intersection auxiliary signal system", Proc. SPIE 2592, Collision Avoidance and Automated Traffic Management Sensors, (27 December 1995); https://doi.org/10.1117/12.228916

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