49 C.F.R. § 236.714 Cab.
Title 49 - Transportation
The compartment of a locomotive from which the propelling power and power brakes of the train are manually controlled.
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 G—Definitions
§ 236.714 Cab.