CODE OF VIRGINIA RAILROAD WARNING SIGNALS MUST BE OBEYED (§ 46.2-884) No person driving a vehicle shall disobey a clearly visible or audible crossing signal which gives warning of the immediate approach of a train at a railroad grade crossing. HISTORY: Code 1950, § 46-253; 1958, c. 541, § 46.1-243; 1989, c. 727.