Regulations last checked for updates: Oct 17, 2024

Title 49 - Transportation last revised: Oct 15, 2024
§ 229.71 - Clearance above top of rail.

No part or appliance of a locomotive except the wheels, flexible nonmetallic sand pipe extension tips, and trip cock arms may be less than 2 1/2 inches above the top of rail.

source: 45 FR 21109, Mar. 31, 1980, unless otherwise noted.
cite as: 49 CFR 229.71