Benefit

In Oakland County, Michigan a two-phase project to retime 640 traffic signals resulted in a benefit-cost ratio of 175:1 for the first phase and 55:1 for the second.

Oakland County, Michigan Traffic Signal Retiming


November/December 2004
Oakland County; Michigan; United States


Summary Information

This journal article examined how appropriate timing of traffic signals can decrease congestion, improve air quality, and reduce fuel consumption. Example retiming programs in Syracuse, New York and Oakland County, Michigan were highlighted.

FINDINGS

In Oakland County, Michigan a two-phase project to retimed 640 traffic signals resulted in a benefit-cost ratio of 175:1 for the first phase and 55:1 for the second.

Notes

See also: Syracuse Signal Interconnect Project: Before and After Analysis Final Report. Prepared by DMJM Harris for the New York State Department of Transportation. September 2003.

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Source

Red Light, Green Light

Author: Halkias, John and Michael Schauer

Published By: Public Roads Journal, U.S. DOT

Source Date: November/December 2004

URL: http://www.fhwa.dot.gov/publications/publicroads/04nov/07.cfm

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Notes

Benefit of the Month for October, 2007 !


Goal Areas

Productivity

Typical Deployment Locations

Metropolitan Areas

Keywords

coordinated signals, signal coordination, centralized signal control, signal synchronization, traffic signals, advanced signal control, signal timing optimization, coordinated signal control, advanced signal controller, traffic signal retiming, retiming

Benefit ID: 2007-00313