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Multiple Choice

At railroad crossings, which color flashing signals warn road users of an approaching train?

Red flashing signals at railroad crossings are the warning that a train is coming. When you see the red lights flashing, you must stop behind the stop line and wait until the lights stop flashing and the crossing is clear before you proceed. Red is used because it universally signals “stop” in traffic control, so drivers can react quickly and safely. Yellow indicates caution and to slow down and be prepared to stop if needed, but it doesn’t mean a train is imminent. White and green aren’t used to warn of an approaching train at crossings.

Red flashing signals at railroad crossings are the warning that a train is coming. When you see the red lights flashing, you must stop behind the stop line and wait until the lights stop flashing and the crossing is clear before you proceed. Red is used because it universally signals “stop” in traffic control, so drivers can react quickly and safely. Yellow indicates caution and to slow down and be prepared to stop if needed, but it doesn’t mean a train is imminent. White and green aren’t used to warn of an approaching train at crossings.