Research Implementation of the SMART SIGNAL System on Trunk Highway (TH) 13
2013-02
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Research Implementation of the SMART SIGNAL System on Trunk Highway (TH) 13
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2013-02
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Minnesota Department of Transportation
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Report
Abstract
In our previous research, the SMART-SIGNAL (Systematic Monitoring of Arterial Road Traffic and Signals)
system that can collect event-based traffic data and generate comprehensive performance measures has been
successfully developed by the University of Minnesota. In this research, a new set of interfaces are developed for
SMART-SIGNAL system including new prototypes of data collection unit (DCU) and refined web-based user
interface. To collect high resolution event-based traffic data including both vehicle detector actuation event and
signal phase change event, two types of DCUs are designed, the TS-1 DCU and TS-2 DCU for corresponding
traffic signal cabinet. TS-1 DCU connects with TS-1 cabinet using pin to pin interface, and the TS-2 DCU
interfaces directly with SDLC bus within TS-2 cabinet. The DCUs uses high performance microcontroller modules,
and are compact and easy to install. Both DCUs are designed to be vender independent add-on module for traffic
cabinet, and can be used as flexible solution to enhance data collection by agencies. The refined web-based user
interface features various performance measures to public users, such as Level of Service (LOS), queue length,
travel time and intersection delays. The new set of interfaces have been deployed with the SMART-SIGNAL
system at 13 intersections along Trunk Highway (TH) 13 in Burnsville, MN.
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Department of Civil Engineering, University of Minnesota; Minnesota Department of Transportation
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Liu, Henry X.; Zheng, Jianfeng; Hu, Heng; Sun, Jie. (2013). Research Implementation of the SMART SIGNAL System on Trunk Highway (TH) 13. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/146923.
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