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Research article
First published January 2006

In-Service Evaluation of Detection–Control System for Isolated High-Speed Signalized Intersections

Karl Zimmerman and James A. BonnesonView all authors and affiliations
Volume 1978, Issue 1
https://doi.org/10.1177/0361198106197800106

Abstract

An innovative detection–control system was developed for the Texas Department of Transportation to reduce both delay and crash frequency at rural intersections. This system was implemented at several intersections in Texas, and its safety and operational benefits were evaluated. This report documents findings and conclusions reached after a 3-year implementation project. The detection–control system was installed and evaluated at each of five intersections in Texas during the 3-year period. Evaluation of before-and-after data indicates that the new detection–control system was able to reduce approach delay by 14%, stop frequency by 9%, red light violations by 58%, heavy-vehicle red light violations by 80%, and severe crash frequency by 39%.

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Published In

Volume 1978, Issue 1
Pages: 34 - 41
Article first published: January 2006
Issue published: January 2006

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© 2006 National Academy of Sciences.
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Karl Zimmerman
Texas Transportation Institute, Texas A&M University System, 3135 TAMU, College Station, TX 77843-3135.
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James A. Bonneson
Texas Transportation Institute, Texas A&M University System, 3135 TAMU, College Station, TX 77843-3135.
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Crossref: 2

  1. Predicting time-varying, speed-varying dilemma zones using machine lea...
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  2. Safety Treatments at Isolated High-Speed Signalized Intersections: Syn...
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