Systems and methods are provided for determining when a traffic signal associated with one or more paths through a road intersection is malfunctioning. Congestion prior to and subsequent to the road intersection is identified from a plurality of probe reports. A malfunctioning traffic signal is determined based on whether or not congestion is identified prior to and subsequent to the road intersection.
AUTOMATED TRAFFIC SIGNAL OUTAGE NOTIFICATION WITHOUT SIGNAL TIMING AND PHASE INFORMATION
2018-05-03
Patent
Electronic Resource
English
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