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Detector-Free Method of Determining Profiles of Vehicle Arrivals at Signalized Intersections

Summary

Researchers at Purdue University have developed a technology that replaces the use of a vehicle detector with analysis of vehicle trajectories obtained by using GPS-enabled mobile devices. Analysis of the trajectories determines when the represented vehicle crosses a virtual detection line, which allows for the sampling of vehicle arrivals over time. This method works with very low levels of market penetration, such as 1 percent or less. This technology allows for the implementation of responsive and adaptive control methods in traffic signal systems that currently lack a detection system. It will work with future connected vehicles as they increase their market penetration.

Technology Benefits

Works with traffic signal systems that lack a detection systemEliminates the need for detection systems, saving the cost of such systemsWorks with a very low level of market penetrationWill work with future connected vehicles

Technology Application

Traffic control systemsTraffic signal systemsTraffic management software

Detailed Technology Description

Christopher DayJoint Transportation Research Program (JTRP)Purdue Civil Engineering

Countries

Not Available

Application No.

None

Country/Region

USA

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