49 CFR § 234.237 - Reverse switch cut-out circuit.

---
identifier: "/us/cfr/t49/s234.237"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 234.237 - Reverse switch cut-out circuit."
title_number: 49
title_name: "Transportation"
section_number: "234.237"
section_name: "Reverse switch cut-out circuit."
chapter_name: "FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
part_number: "234"
part_name: "GRADE CROSSING SAFETY"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 20103, 20107, 20152, 20160, 21301, 21304, 21311, 22907 note; 28 U.S.C. 2461 note; and 49 CFR 1.89."
regulatory_source: "61 FR 31806, June 20, 1996, unless otherwise noted."
cfr_part: "234"
---


# 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.