Okla. Stat. tit. 47, § 11-702
The driver of any commercial motor vehicle as defined in 49 C.F.R., Section 390.5, shall comply with the railroad crossing provisions as prescribed in 49 C.F.R., Section 392.10.
Laws 1961, HB 556, § 11-702, emerg. eff. September 1, 1961; Amended by Laws 1997, HB 1432, c. 201, § 6, eff. November 1, 1997 (superseded document available); Amended by Laws 2001, HB 1086, c. 309, § 2, eff. November 1, 2001 (superseded document available); Amended by Laws 2003, SB 426, c. 461, § 8, emerg. eff. July 1, 2003 (superseded document available); Amended by Laws 2004, HB 2265, c. 418, § 13, emerg. eff. July 1, 2004 (superseded document available).