49 CFR § 238.715 - Roof and side structure integrity.
§ 238.715 Roof and side structure integrity.
To demonstrate roof and side structure integrity, Tier III trainsets shall comply with the requirements in §§ 238.215 and 238.217.
To demonstrate roof and side structure integrity, Tier III trainsets shall comply with the requirements in §§ 238.215 and 238.217.