49 CFR 234.237 - Reverse switch cut-out circuit.

Regulations last checked for updates: Feb 08, 2026

Title 49 - Transportation last revised: Feb 03, 2026

View all text of Subpart D [§ 234.201 - § 234.275]

§ 234.237 - Reverse switch cut-out circuit.

A switch, when equipped with a switch circuit controller connected to the point and interconnected with warning system circuitry, shall be maintained so that the warning system can only be cut out when the switch point is within one-half inch of full reverse position.

authority: 49 U.S.C. 20103,20107,20152,20160,21301,21304,21311,22907; 28 U.S.C. 2461 note; and 49 CFR 1.89

source: 61 FR 31806, June 20, 1996, unless otherwise noted.

cite as: 49 CFR 234.237