4 Va. Admin. Code § 25-40-1540
Traffic rules, including speed, signals, and warning signs, shall be posted at each mine.
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
Derived from VR480-05-1.2 § 9.25, eff. July 19, 1989; amended, Virginia Register Volume 14, Issue 17, eff. July 1, 1998.