(a) Unless a person has complied with this section, he may not drive or move on or across any railroad grade crossing any power shovel, derrick, roller, crawler–type tractor, or other equipment or structure that has:
(1) A normal operating speed of 10 miles per hour or less; or
(2) A vertical body or load clearance, measured above the level surface of a roadway, of less than:
(i) One–half inch for each foot of the distance between any two adjacent axles; or
(ii) 9 inches.
(b) Before any person drives or moves any equipment described in subsection (a) of this section on or across any railroad grade crossing, the person shall:
(1) Notify an agent of the railroad of his intention; and
(2) Afford the railroad reasonable time to provide proper protection at the crossing.
(c) When the person approaches the crossing, he:
(1) Shall stop within 50 feet but not less than 15 feet from the nearest rail in the crossing;
(2) While stopped, shall listen and look in both directions along the track for any approaching or passing railroad train and for any signals indicating the approach or passage of a railroad train; and
(3) May not proceed until he can do so safely.
(d) (1) The person may not proceed if a warning is given by an automatic signal, crossing gate, flagman, or otherwise of the immediate approach or passage of a railroad train.
(2) If the railroad provides a flagman, the person may proceed over the crossing only at the direction of the flagman.
Structure Maryland Statutes
Title 21 - Vehicle Laws -- Rules of the Road
Subtitle 7 - Special Stops Required
Section 21-701 - Obedience to Signal Indicating Approach or Passage of Train
Section 21-702 - All Vehicles to Stop at Certain Railroad Crossings
Section 21-703 - Certain Vehicles to Stop at All Railroad Crossings
Section 21-703.1 - Procedure Upon Approaching a Railroad Crossing
Section 21-704 - Moving Heavy Equipment at Railroad Crossings
Section 21-704.1 - Automated Railroad Grade Crossings Enforcement Systems
Section 21-705 - Emerging From and Entering Alley, Driveway, or Building
Section 21-706 - Overtaking and Passing School Vehicle
Section 21-706.1 - Violation of 21-706