An adaptive signal control system in Oakland County, Michigan reduced travel time by 7.0 to 8.6 percent during peak periods.

4-6 May 1998
Oakland County,Michigan,United States

Summary Information

This study measured travel times before and after implementation of SCATS (Sydney Coordinated Adaptive Traffic System) on a 3.1-mile arterial corridor in Oakland County, Michigan. The results indicated travel time decreased 8.6 percent in the morning peak direction of travel and 7 percent in the evening peak direction of travel. Off peak and non-peak direction travel times were also improved, decreasing 6.6 to 31.8 percent. The improved travel times observed on this major arterial, however, lead to increased average delay on minor arterial approaches.


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The Impact of SCATS on Travel Time and Delay

Author: Abdel-Rahim, Ahmed, et al.

Published By: Paper presented at the 8th Annual ITS America Meeting. Detroit, Michigan

Source Date: 4-6 May 1998


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Goal Areas


Typical Deployment Locations

Metropolitan Areas


traffic signals, adaptive signals, Adaptive Signals

Benefit ID: 2000-00138