U.S. Code of Federal Regulations

Regulations most recently checked for updates: Feb 11, 2026

All TitlesTitle 49Chapter IIPart 238Subpart H - Subpart H—Specific Requirements for Tier III Passenger Equipment

TRAINSET STRUCTURE
§ 238.703 - Quasi-static compression load requirements.
§ 238.705 - Dynamic collision scenario.
§ 238.707 - Override protection.
§ 238.709 - Fluid entry inhibition.
§ 238.711 - End structure integrity of cab end.
§ 238.713 - End structure integrity of non-cab end.
§ 238.715 - Roof and side structure integrity.
§ 238.717 - Truck-to-carbody attachment.
§ 238.701 - Scope.
§ 238.702 - Definitions.

GLAZING
§ 238.721 - Glazing.

BRAKE SYSTEM
§ 238.731 - Brake system.

INTERIOR FITTINGS AND SURFACES
§ 238.733 - Interior fixture attachment.
§ 238.735 - Seat crashworthiness (passenger and cab crew).
§ 238.737 - Luggage racks.

EMERGENCY SYSTEMS
§ 238.741 - Emergency window egress and rescue access.
§ 238.743 - Emergency lighting.

CAB EQUIPMENT
§ 238.751 - Alerters.
§ 238.753 - Sanders.
Appendix - Figure 1 to Subpart H of Part 238
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