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The relationship between an option space and drivers' indecision at signalized intersection approaches

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  • Prashker, Joseph N.
  • Mahalel, David

Abstract

A traffic signal is a substantially different traffic sign compared with other traffic devices. The uniqueness of traffic signals is manifested in their displaying an alternate message, not a constant one. The transition period from one message to another creates a decision problem for drivers. An inappropriate decision might create the risk of a rear-end collision. This article presents a disaggregate behavioral model of drivers' decisions when the green light ends. It is demonstrated, and supported by field data, that a large option zone increases the indecision of drivers, which creates a greater risk of rear-end collisions. The influence on drivers' decisions of distance from the intersection and of approach speed is examined through the model.

Suggested Citation

  • Prashker, Joseph N. & Mahalel, David, 1989. "The relationship between an option space and drivers' indecision at signalized intersection approaches," Transportation Research Part B: Methodological, Elsevier, vol. 23(6), pages 401-413, December.
    • Handle: RePEc:eee:transb:v:23:y:1989:i:6:p:401-413
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    Cited by:

    1. Keshuang Tang & Fen Wang & Jiarong Yao & Jian Sun, 2016. "Empirical Analysis and Modeling of Stop-Line Crossing Time and Speed at Signalized Intersections," IJERPH, MDPI, vol. 14(1), pages 1-13, December.

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