49 C.F.R. § 236.800 Sheet, locking.
Title 49 - Transportation
A description in tabular form of the locking operations in an interlocking machine.
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
§ 236.800 Sheet, locking.