49 CFR 234.225 - Activation of warning system.

Regulations last checked for updates: Feb 09, 2026

Title 49 - Transportation last revised: Feb 03, 2026

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

§ 234.225 - Activation of warning system.

A highway-rail grade crossing warning system shall be maintained to activate in accordance with the design of the warning system, but in no event shall it provide less than 20 seconds warning time for the normal operation of through trains before the grade crossing is occupied by rail traffic.

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 234.225