Regulations last checked for updates: May 18, 2024

Title 49 - Transportation last revised: May 14, 2024
§ 236.729 - Cock, double heading.

A manually operated valve by means of which the control of brake operation is transferred to the leading locomotive.

source: 33 FR 19684, Dec. 25, 1968, unless otherwise noted.
cite as: 49 CFR 236.729