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Second Train Coming Warning Sign Demonstration Projects
Second Train Coming Warning Sign Demonstration Projects
Report Number: RRD-051
A challenging problem that many light rail systems face is the "second train coming" phenomenon on double track crossings.  A second train frequently activates the grade crossing equipment within seconds after the first train has activated the grade crossing circuits, thus creating a situation in which two trains pass through the grade crossing within seconds of each other which could be very confusing and potentially dangerous to motorists and pedestrains.  This digest provides the results of two demonstrations of active sign warning systems that could increase awareness of and compliance with the conditions of the second train coming phenomenon.

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