49 CFR 236.54 - Minimum length of track circuit.

Regulations last checked for updates: Feb 07, 2026

Title 49 - Transportation last revised: Feb 03, 2026

View all text of Subpart A [§ 236.1 - § 236.110]

§ 236.54 - Minimum length of track circuit.

When a track circuit shorter than maximum inner wheelbase of any locomotive or car operated over such track circuit is used for control of signaling facilities, other means shall be used to provide the equivalent of track circuit protection.

[49 FR 3383, Jan. 26, 1984]

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 236.54