---
kind: "section"
citation: "49 C.F.R. § 234.1"
title: "49"
number: "234.1"
heading: "Scope."
url: "https://uscodex.org/cfr/49/234.1"
---

# §234.1. Scope.

- (a) **This part prescribes minimum—**
  - (1) Maintenance, inspection, and testing standards for highway-rail grade crossing warning systems;
  - (2) Standards for the reporting of failures of highway-rail grade crossing warning systems and for the actions that railroads must take when such systems malfunction;
  - (3) Requirements for certain identified States to update their existing State highway-rail grade crossing action plans and submit reports about the implementation of their existing plans and for the remaining States and the District of Columbia to develop State highway-rail grade crossing action plans;
  - (4) Requirements that certain railroads establish systems for receiving toll-free telephone calls reporting various unsafe conditions at highway-rail grade crossings and pathway grade crossings, and for taking certain actions in response to those calls; and
  - (5) Requirements for reporting to, and periodically updating information contained in, the U.S. DOT National Highway-Rail Crossing Inventory for highway-rail and pathway crossings.
- (b) This part does not restrict a railroad from adopting and enforcing additional or more stringent requirements not inconsistent with this part.

## Notes

### Amendments

[77 FR 35190, June 12, 2012, as amended at 80 FR 786, Jan. 6, 2015; 85 FR 80659, Dec. 14, 2020]

### Authority

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.

### Source

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

### Amendments

[77 FR 35190, June 12, 2012, as amended at 80 FR 786, Jan. 6, 2015; 85 FR 80659, Dec. 14, 2020]