49 C.F.R. § 195.256 Crossing of railroads and highways.
Title 49 - Transportation
The pipe at each railroad or highway crossing must be installed so as to adequately withstand the dynamic forces exerted by anticipated traffic loads.
Title 49: Transportation
PART 195—TRANSPORTATION OF HAZARDOUS LIQUIDS BY PIPELINE
Subpart D—Construction
§ 195.256 Crossing of railroads and highways.