Jackie Bryant - Aledo TX, US Matthew Ablett - Smyrna GA, US
International Classification:
B61L001/02
US Classification:
246/125000
Abstract:
A gate system for an intersection of a railroad track and roadway has detectors to monitor the intersection and crossing relays to monitor the railroad track. A controller connected to the detectors and the crossing relays operates the gates to prevent the gates from trapping a vehicle on the tracks.