Lesson

Perform robust observations at intersections before determining whether red-light cameras should be installed.

Understanding whether red-light cameras would be a useful in the first place.


June 2018
Statewide; Maryland; United States


Background (Show)

Lesson Learned

From their investigations, the authors had a list of recommendations for agencies choosing to implement RLC systems:
  • Agencies should follow the development guidelines published by FHWA, only using RLCs as a "last resort."
  • Agencies should develop effective deployment guidelines to account for behavioral discrepancies among driving populations and locality-specific constraints.
  • Agencies should perform observations of vehicle approaching speeds at candidate-RLC intersections, in particular noting the percentage of aggressive drivers.
  • Agencies should implement safety strategies at intersections with high percentages of aggressive drivers in order to increase the probability of a successful RLC deployment.
  • Agencies should perform extensive field observations at both RLC and non-RLC intersections to develop guidelines and design control strategies.


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Source

Evaluating the Impacts of Red Light Camera Deployment on Intersection Traffic Safety

Author: Park, Sung Yoon; Chien-Lun Lan; and Gang-Len Chang

Published By: University of Maryland

Source Date: June 2018

Other Reference Number: MD-18-SHA/UM/4-37

URL: http://roads.maryland.gov/OPR_Research/MD-18-SHA-UM-4-37_Red-Light-Camera_Report.pdf

Lesson Contacts

Lesson Analyst:

Edward Schweikert


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Lesson ID: 2019-00896