49 C.F.R. § 236.776 Movement, trailing.
Title 49 - Transportation
The movement of a train over the points of a switch which face in the direction in which the train is moving.
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
§ 236.776 Movement, trailing.