Cal. Code Regs. tit. 8, § 8472
(d) All locomotives shall be provided with a flashing or rotating blue light which shall be visible from the front and rear.
Exception: The above requirements for lighting equipment do not apply where they are in conflict with the operation of Gassy or Extrahazardous tunnels.
Note: Authority cited: Sections 142.3 and 7997, Labor Code. Reference: Sections 142.3 and 7997, Labor Code.
1. Amendment of subsections (a) and (c), new subsection (d) and new Note filed 3-5-96; operative 4-4-96 (Register 96, No. 10).