No person or government agency shall operate any train in a manner as to prevent vehicular use of any highway for a period of time in excess of fifteen (15) consecutive minutes except:

1. (1) When necessary to comply with signals affecting the safety of the movement of trains;
2. (2) When necessary to avoid striking any object or person on the track;
3. (3) When the train is stopped to comply with a governmental safety regulation;
4. (4) When the train is disabled;
5. (5) When the train is in motion except while engaged in switching operations;
6. (6) When there is no vehicular traffic waiting to use the crossing.

[49-1425, added 1988, ch. 265, sec. 361, p. 754.]