2011 Utah Code
Title 41 Motor Vehicles
Chapter 6a Traffic Code
Section 1204 Trains -- Interference with vehicles limited.

41-6a-1204. Trains -- Interference with vehicles limited.
A person or government agency may not operate a train in a manner to prevent vehicular use of a roadway for a period of time in excess of five consecutive minutes except:
(1) when necessary to comply with signals affecting the safety of the movement of trains;
(2) when necessary to avoid striking any object or person on the track;
(3) when the train is disabled;
(4) when the train is in motion or while engaged in switching operations;
(5) when there is no vehicular traffic waiting to use the crossing;
(6) when necessary to comply with a governmental safety regulation; or
(7) as determined by a highway authority.