# Commercial Motor Vehicles Operating at Actively Controlled Railroad Highway-Grade (RRHG) Crossing

> **FMCSA** · Rulemaking · Modified 2026-04-28T12:59:49Z

## Docket
- **Docket ID:** FMCSA-2021-0050
- **Agency:** FMCSA
- **Type:** Rulemaking
- **Last modified:** 2026-04-28T12:59:49Z

## Source
- [regulations.gov docket](https://www.regulations.gov/docket/FMCSA-2021-0050)
- [Public comments](https://www.regulations.gov/docket/FMCSA-2021-0050/comments)

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