GroundRules
49 CFR 229.63: Lateral motion.
Where this section sits in the code
- Title 49—Transportation
- Subtitle B—Other Regulations Relating to Transportation
- CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
- PART 229—RAILROAD LOCOMOTIVE SAFETY STANDARDS
- Subpart C—Safety Requirements
(a) Except as provided in paragraph (b), the total uncontrolled lateral motion between the hubs of the wheels and boxes, between boxes and pedestals or both, on any pair of wheels may not exceed 1 inch on non-powered axles and friction bearing powered axles, or 3/4 inch on all other powered axles.
(b) The total uncontrolled lateral motion may not exceed 1 1/4 inches on the center axle of three-axle trucks.
Collected 2026-08-27T02:26:34Z. Source file · JSON