RSA 265:48 Obedience to Signal Indicating Approach of Train or Other Maintenance of Way On-Track Equipment.

I. Whenever any person driving a vehicle approaches a railroad grade crossing under any of the circumstances stated in this section, the driver of such vehicle shall stop within 50 feet but not less than 15 feet from the nearest rail of such railroad, and shall not proceed until he or she can do so safely. The foregoing requirements shall apply when:
(a) A clearly visible electric or mechanical signal device gives warning of the immediate approach of a railroad train or other maintenance of way on-track equipment;
(b) A crossing gate is lowered or a flagman gives or continues to give a signal of the approach or passage of a railroad train or other maintenance of way on-track equipment;
(c) A railroad train or other maintenance of way on-track equipment approaching