49 CFR § 214.519
Floors, decks, stairs, and ladders of on-track roadway maintenance machines
November 18, 2020
Floors, decks, stairs, and ladders of on-track roadway maintenance machines shall be of appropriate design and maintained to provide secure access and footing, and shall be free of oil, grease, or any obstruction which creates a slipping, falling, or fire hazard.