Title 49 › Subtitle SUBTITLE V— RAIL PROGRAMS › Part A— SAFETY › Chapter 211— HOURS OF SERVICE › § 21103
Railroads must limit how much time train employees spend working or traveling for work. An employee cannot spend more than 276 hours in a month on duty, waiting for deadhead rides, riding deadhead from a duty assignment to final release, or doing other required service. No one may be on duty more than 12 hours in a row. Employees must have at least 10 hours off in each 24‑hour period before going back on duty. They may not start an on‑duty day after working 6 days in a row unless they then get at least 48 hours off at their home terminal; a seventh day is allowed in one limited case (if the sixth day ended away from home), but then the worker must get 72 hours off at home. A 7‑day work rule can also apply only if a collective bargaining agreement or an approved pilot program specifically allows it (including certain agreements during the 18 months after the Rail Safety Improvement Act of 2008 or pilot programs described in law). Monthly caps of 40 hours and 30 hours apply to time spent waiting for or in deadhead travel (the law lists exceptions for delays caused by accidents, derailments, major equipment failures, acts of God, or other unforeseeable causes). Carriers must report instances when employees exceed those deadhead limits. Wreck or relief‑train crews may work up to 4 extra hours in a 24‑hour period during an emergency until the track is cleared. During required off time (the 10 hours off, certain 4‑hour rest periods, or any extra off time allowed), carriers must not contact employees in ways that could reasonably disturb their rest, except to notify them of an emergency. The Secretary may waive that no‑contact rule for commuter or intercity passenger railroads if doing so won’t reduce safety. Defined terms (short): on duty — from report for duty until finally released; deadhead to assignment — travel to start work; deadhead from assignment to final release — travel after work that is treated differently for duty counting; interim period — a break period between duty times (may count as on duty or not depending on length and location).
Full Legal Text
Transportation — Source: USLM XML via OLRC
Legislative History
Reference
Citation
49 U.S.C. § 21103
Title 49 — Transportation
Last Updated
Apr 5, 2026
Release point: 119-73not60