# Railroad signal employees — Federal hours-of-service exemptions by commercial driver operation type For Railroad signal employees, cfr citation is 49 CFR 395.1(r); who qualifies is a signal employee, as defined in § 395.2 , who operates a commercial motor vehicle, is engaged in installing, repairing, or maintaining signal systems; what it exempts from is The provisions of this part shall not apply; radius or condition is is employed by a railroad carrier or a contractor or subcontractor to a railroad carrier, while regulated by the Federal Railroad Administration; baseline limit (for context) is All of part 395, including the § 395.3 11-hour driving cap, 14-hour window and 60/70-hour limits, recorded from its source on 2026-08-28; source re-checked 2026-08-30. - **Exemption:** Railroad signal employees _(our reading, not quoted from the source)_ - **CFR citation:** 49 CFR 395.1(r) _(our reading, not quoted from the source)_ - **Who qualifies:** a signal employee, as defined in § 395.2 , who operates a commercial motor vehicle, is engaged in installing, repairing, or maintaining signal systems _(verified: appears in the quote below)_ - **What it exempts from:** The provisions of this part shall not apply _(verified: appears in the quote below)_ - **Radius or condition:** is employed by a railroad carrier or a contractor or subcontractor to a railroad carrier, while regulated by the Federal Railroad Administration _(verified: appears in the quote below)_ - **Baseline limit (for context):** All of part 395, including the § 395.3 11-hour driving cap, 14-hour window and 60/70-hour limits. _(our reading, not quoted from the source)_ ## What the source says > (r) Railroad signal employees. The provisions of this part shall not apply to a signal employee, as defined in § 395.2 , who operates a commercial motor vehicle, is engaged in installing, repairing, or maintaining signal systems, is employed by a railroad carrier or a contractor or subcontractor to a railroad carrier, while regulated by the Federal Railroad Administration. ## Source - https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-395/subpart-A/section-395.1 Last verified: 2026-08-30. Review by: 2027-08-28. Part of [Federal hours-of-service exemptions by commercial driver operation type](https://referencesource.org/federal-hours-of-service-exemptions-by-operation-type/).