49 CFR 236.340 - Electromechanical interlocking machine; locking between electrical and mechanical levers.

Regulations last checked for updates: Feb 06, 2026

Title 49 - Transportation last revised: Jan 27, 2026

View all text of Subpart C [§ 236.301 - § 236.387]

§ 236.340 - Electromechanical interlocking machine; locking between electrical and mechanical levers.

In electro-mechanical interlocking machine, locking between electric and mechanical levers shall be maintained so that mechanical lever cannot be operated except when released by electric lever.

authority: 49 U.S.C. 20102-20103,20107,20133,20141,20157,20301,20306,20501,20701,21301,21304; 28 U.S.C. 2461 note; and 49 CFR 1.89

source: 33 FR 19684, Dec. 25, 1968, unless otherwise noted.

cite as: 49 CFR 236.340