What is the first warning of an approaching train at a crossing?

Advance warning signs The advance warning sign is a round, yellow sign bearing the lettering RXR. The X is very large, covering the full diameter of the sign. It is usually the first warning you will see that you are approaching a railroad crossing. Slow down, look and listen for an approaching train.



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What would be the first warning of an approaching train? Explanation: The steady amber light will be followed by twin flashing red lights that mean you must stop. An alarm will also sound to alert you to the fact that a train is approaching.

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Active Grade Crossings have active warning and control devices such as bells, flashing lights, and gates, in addition to passive warning devices such as crossbucks (the familiar x-shaped signs that mean yield to the train), yield or stop signs and pavement markings.

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If the lights begin to flash or the bells begin to ring, STOP! A train is coming. You must yield to the train and remain stopped until the lights have stopped flashing and the gates have lifted.

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A low-voltage electric current is sent between the two rails via a series of relays like the ones in this photo. When a train approaches, the current runs through the train's metal wheels and axles instead of the relays. This short circuit activates the crossing signal.

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If an approaching train is near enough or going fast enough to be a danger, you must: Not cross the tracks until the train has completely passed. What does it mean when a school bus is stopped on a roadway and its red lights are flashing?

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Flashing red lights warn of an approaching train and must be treated like a stop sign. If there are no gates, drivers are required to stop and may proceed only when it is safe to do so. Remember, trains always have the right-of-way.

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Stop at least 15 feet, but not more than 50 feet, from nearest rail. Look both ways and listen carefully. Bend forward to see around mirrors and A-pillars.

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Stop, look both ways, and listen. Know that trains always have the right of way. Don't stop on the tracks. Make sure you have room to get across.

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