# Administrative Updates to the Rear End Marking Device-Passenger, Commuter and Freight Trains Regulations
> **US Department of Transportation** · Final rule. · Published 2025-07-01 · Effective 2025-07-01 · 90 FR 28148
## Document
- **Document number:** 2025-12136
- **Category:** other
- **Sub-agency:** US Department of Transportation
- **Federal Register citation:** 90 FR 28148
- **CFR reference:** 49 CFR 221
- **Publication date:** 2025-07-01
- **Effective date:** 2025-07-01
- **DOT docket:** Docket No. FRA-2025-0089
## Abstract

This rule makes administrative updates to FRA's rear end marking device regulations, including updating addresses in those regulations.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/07/01/2025-12136/administrative-updates-to-the-rear-end-marking-device-passenger-commuter-and-freight-trains)
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