scope:

Purpose. This regulation implements the Department of the Army (DA) procedures for the policies cited in DOD 4140.50-R. It prescribes policies and procedures for rolling stock, locomotives, and track maintenance equipment. It applies to all activities and installations that use Army-owned rail equipment. This regulation reforms procedures that pertain to the revisions of Department of Defense (DOD) rail policy.

Applicability. This regulation applies to the Active Army, the Army National Guard of the United States (ARNGUS) including periods when operating in an Army National Guard (ARNG) capacity, and the U.S. Army Reserve. Provisions of this regulation apply to Department of the Army (DA) commands, agencies, and activities that operate or use DA-owned or leased railroad equipment.