United States Department of Transportation
i
Continuation of the interoperable coordinated signal system deployment in White Plains, New York.
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2015-12-01
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Abstract:The City of White Plains, NY owns and operates an advanced traffic control system (TCS) that monitors
and controls over 130 intersections in real time. Its Traffic Department facility is not staffed 24 hours a
day, 7 days a week, but two other centers operate 24/7: the City of White Plains Police Department
(CWPPD) and the Hudson Valley Transportation Management Center (HVTMC) in Hawthorne, NY. This
traffic management center (TMC) is operated by New York State Department of Transportation
(NYSDOT) Region 8, which includes Westchester County and six other counties north of New York City.
It monitors, collects, and sends real-time traffic information for responding to roadway incidents and
taking action to minimize disruptions to travelers.
The objective of this project was to provide NYSDOT Region 8 and the CWPPD with real-time data on
roadway arterials available from City of White Plains’ TCS. Although the city’s traffic signals are currently
not monitored during nights and weekends, they would be operated and controlled from the HVTMC. All
intersection controllers are monitored once-per-second in real-time, and multiple control strategies can be
applied. Intersections can operate in multiple control modes including central time-of-day (CTOD), local
time-of-day (LTOD), free, manual, and traffic-responsive (TR). As a result of this project, the agencies will
be able to coordinate in managing incidents and monitoring the City of White Plains’ signals at all times.
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