Citation

Sarchet R. Transp. Res. Circular 2005; (E-C083): 63p.

Copyright

(Copyright © 2005, U.S. National Academy of Sciences Transportation Research Board)

DOI

unavailable

PMID

unavailable

Abstract

This presentation discusses a systematic before and after accident history analysis for 112 intersections on the Colorado State Highway system which became signalized. Topics include: Reasons for Signalization; Site Selection; Data Collection; Description of the Analysis; and Safety Effects. The presentation discusses the general conclusions regarding the safety of signalization and recommendations for countermeasures and alternatives.