(a) Whenever any person driving a vehicle approaches a railroad grade crossing under any of the circumstances set forth in this section, the driver of such vehicle shall stop within fifty (50) feet but not less than fifteen (15) feet from the nearest rail of such railroad and shall not proceed until he can do so safely. The requirements of this subsection shall apply when:
(1) A clearly visible electric or mechanical signal device gives warning of the immediate approach of a railroad train;
(2) A crossing gate is lowered or a human flagman gives or continues to give a signal of the approach or passage of a railroad train;
(3) A railroad train approaching within approximately one-quarter mile of the highway crossing emits a signal audible from such distance and such railroad train, by reason of its speed or nearness to such crossing, is an immediate hazard; or
(4) An approaching railroad train is plainly visible and is in hazardous proximity to such crossing.
(b) No person shall drive any vehicle through, around, or under any crossing gate or barrier at a railroad crossing while such gate or barrier is closed or is being opened or closed.
State law reference--Similar provisions, R.R.S. 1943, 60-6,170 to 60-6,177.