7-3-15: RAILROAD TRAINS AND CROSSINGS:
   A.   Railroad Signs And Signals:
      1.   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 fifty feet (50') but not less than fifteen feet (15') from the nearest rail of such railroad, and shall not proceed until he can do so safely. The foregoing requirements shall apply when:
         a.   A clearly visible electrical or mechanical signal device gives warning of the immediate approach of a railroad train;
         b.   A crossing gate is lowered or when a human flagman gives or continues to give a signal of the approach or passage of a railroad train;
         c.   A railroad train approaching within approximately one thousand five hundred feet (1,500') 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
         d.   An approaching railroad train is plainly visible and is in hazardous proximity to such crossing. (1992 Code § 15-543)
         e.   The tracks at the crossing are not clear.
      2.   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 or fail to obey the directions of a law enforcement officer at the crossing.
      3.   The operator of a class A, B or C commercial vehicle not required to stop at all railroad grade crossings, as prescribed in subsection B of this section, shall slow down and check that all tracks are clear of an approaching train. (1992 Code § 15-543; amd. 2006 Code)
   B.   Certain Vehicles To Stop: The driver of any "commercial motor vehicle", as defined in 49 CFR section 390.5, shall comply with railroad crossing provisions as prescribed in 49 CFR section 392.10. (1992 Code § 15-544; amd. 2006 Code)