Grade crossing signals

（重定向自Grade crossing predictor）

Grade crossing signal with flashing lights and gates by GRS. The device is still active in Florida Oeste, Buenos Aires.

Grade Crossing cantilever signal in Trout Lake, Michigan.

Warning device in Australia, with crossbuck and flashing lights.

Grade Crossing Signals are the electronic warning devices for road vehicles at railroad grade crossings.

The basic signal consists of flashing red lights, a crossbuck and a bell, attached to a mast. At most crossings, the signals will activate about 30 seconds before the train arrives.

单词	Grade crossing predictor
释义	Grade crossing predictor 英语百科 Grade crossing signals （重定向自Grade crossing predictor） Grade Crossing Signals are the electronic warning devices for road vehicles at railroad grade crossings. The basic signal consists of flashing red lights, a crossbuck and a bell, attached to a mast. At most crossings, the signals will activate about 30 seconds before the train arrives.
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