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17 October 2012

Benefits of SMART Signal system

First publishedon www.ITSInternational.com
Developed by researchers led by civil engineering associate professor Henry Liu at the University of Minnesota, the SMART Signal (Systematic Monitoring of Arterial Road Traffic Signals) system is said to be reducing congestion on roads controlled by traffic lights.

The system automatically collects and processes data from traffic signal controllers at multiple intersections. It then creates performance measures, including information on the times and locations congestion occurs on a given road.  Traffic engineers can use these measures to determine whether signals are properly timed and to monitor the overall performance of the system.

SMART Signal has been deployed at more than thirty intersections in Minnesota and six intersections in Pasadena, California.

According to Steven Misgen, metro traffic engineer at the Minnesota Department of Transportation (MnDOT), the system also has benefits for the travelling public, including reduced congestion and improved travel time throughout a given corridor.

“As a result, they’ll have a better quality of life, [spending] less time sitting in congested intersections,” Misgen says.

A new video from the Intelligent Transportation Systems (ITS) Institute highlights the benefits of the system: www.its.umn.edu/Research/FeaturedStudies/smartsignals/index.html#SMARTSignal

Companies in this article

Minnesota Department of Transportation
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