Railway crossing collision avoidance system

Details Railway crossing collision avoidance system Railway crossing collision avoidance system

1997-07-14

1999-04-06

Morano, S. Joseph

Railway switches and signals

Electric automatic highway signals, mine doors, and gates

246122R, 246126, 2464731, 340902, 340903, 340904, B61L 2900

Patent

active

058906827

ABSTRACT:
With the vehicle anti-collision system of the present invention, road vehicles in the vicinity of a railway crossing are alerted as a train approaches the crossing. A signalling device operating in conjunction with a GPS receiver located in the train emits a signal to a receiver located at the railway crossing to provide an indication of the rail vehicle's location with respect to the railway crossing. The signal is sent continuously at predetermined intervals to provide the railway crossing with sufficient data to estimate the velocity and time of arrival of the train or railway vehicle at the crossing. The railway crossing processes the information and transmits an alarm signal to approaching road vehicles as the rail vehicle approaches the crossing. The signal emitted by the crossing is received at the road vehicle which provides various levels of alarms depending on how close the rail vehicle is to the crossing. The communications between the railroad vehicle and the crossing monitor are preferably by satellite link. A sensor is also preferably provided at the crossing to detect an object on the crossing when the rail vehicle is approaching.

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