The rules and instructions prescribed in §§ 236.327 and 236.328 , § 236.330 to § 236.334 , inclusive, and § 236.342 shall apply to traffic control systems.
49 C.F.R. §236.426
The rules and instructions prescribed in §§ 236.327 and 236.328 , § 236.330 to § 236.334 , inclusive, and § 236.342 shall apply to traffic control systems.
49 C.F.R. §236.426