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SPEED UP, OR SLOW DOWN

Omar B. Sawaya, Joseph L. Schofer

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Abstract

This paper discusses the relationship between speed limits and vehicle speed in work zones. The challenge remains to thoroughly identify the relationship between factors influencing vehicle speeds and driver compliance to posted limits. A conceptual model is presented that illustrates the complexity of and lays the groundwork for the evaluation of the causes and effects at work in the speed limit--vehicle speed relationship. The authors suggest consideration of variable speed limits (VSLs) that are condition-responsive. It is posited that adoption of VSLs would likely increase driver compliance, reduced speed variance, and enhance safety.

About this research paper

What this paper is about

This paper discusses the relationship between speed limits and vehicle speed in work zones. The challenge remains to thoroughly identify the relationship between factors influencing vehicle speeds and driver compliance to posted limits. A conceptual model is presented that illustrates the complexity of and lays the groundwork for the evaluation of the causes and effects at work in the speed limit--vehicle speed relationship. The authors suggest consideration of variable speed limits (VSLs) that are condition-responsive. It is posited that adoption of VSLs would likely increase driver compliance, reduced speed variance, and enhance safety.

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Available abstract

This paper discusses the relationship between speed limits and vehicle speed in work zones. The challenge remains to thoroughly identify the relationship between factors influencing vehicle speeds and driver compliance to posted limits. A conceptual model is presented that illustrates the complexity of and lays the groundwork for the evaluation of the causes and effects at work in the speed limit--vehicle speed relationship. The authors suggest consideration of variable speed limits (VSLs) that are condition-responsive. It is posited that adoption of VSLs would likely increase driver compliance, reduced speed variance, and enhance safety.

Key concepts: Speed limit, Work (physics), Limit (mathematics), Variance (accounting), Compliance (psychology), Variable (mathematics), Computer science, Engineering

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