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A procedure for real-time signal control that considers transit interference and priority

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  • Yagar, Sam
  • Han, Bin

Abstract

A rule-based procedure for determining real-time signals timings at a signalized intersection is described. It incorporates the effects of the traffic interference caused by on-line loading/ unloading of transit vehicles at the intersection. This procedure generates a number of short-term alternative real-time phase sequences for various levels of transit priority, based on a number of decision rules. It then evaluates these signal sequences and selects the one with the least overall cost to all traffic. The procedure is illustrated in terms of a simulated application to a critical intersection in Toronto's Queen Street corridor using real data. The preliminary simulation tests indicate the potential reduction in total compared to fixed-time operation, which results largely from selectively ushering transit vehicles to their loading positions at strategic times and serving cross-street traffic while the transit vehicles are loading.

Suggested Citation

  • Yagar, Sam & Han, Bin, 1994. "A procedure for real-time signal control that considers transit interference and priority," Transportation Research Part B: Methodological, Elsevier, vol. 28(4), pages 315-331, August.
    • Handle: RePEc:eee:transb:v:28:y:1994:i:4:p:315-331
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    Cited by:

    1. Yu, Chunhui & Ma, Wanjing & Yang, Xiaoguang, 2020. "A time-slot based signal scheme model for fixed-time control at isolated intersections," Transportation Research Part B: Methodological, Elsevier, vol. 140(C), pages 176-192.
    2. Dion, François & Hellinga, Bruce, 2002. "A rule-based real-time traffic responsive signal control system with transit priority: application to an isolated intersection," Transportation Research Part B: Methodological, Elsevier, vol. 36(4), pages 325-343, May.
    3. Fournier, Nicholas, 2021. "Hybrid pedestrian and transit priority zoning policies in an urban street network: Evaluating network traffic flow impacts with analytical approximation," Transportation Research Part A: Policy and Practice, Elsevier, vol. 152(C), pages 254-274.

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