49 C.F.R. § 236.426 Interlocking rules and instructions applicable to traffic control systems.
Title 49 - Transportation
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.
Title 49: Transportation
PART 236—RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, INSPECTION, MAINTENANCE, AND REPAIR OF SIGNAL AND TRAIN CONTROL SYSTEMS, DEVICES, AND APPLIANCES
Subpart D—Traffic Control Systems
Rules and Instructions
§ 236.426 Interlocking rules and instructions applicable to traffic control systems.
