A system and method are provided for determining malfunctioning traffic signals and lights. A traffic signal pattern is identified. Probe reports are received from a device. A path is generated including the road intersection for the device using location data in the two or more probe reports. The path is compared to a traffic signal. An abnormal crossing is determined from the comparison. A malfunction of the traffic signal is determined based on the abnormal crossing.
Automated traffic signal outage notification with SPaT information
2019-02-12
Patent
Electronic Resource
English
Automated Traffic Signal Outage Notification with SPaT Information
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