23 U.S.C. § 315 : US Code - Section 315: Rules, regulations, and recommendations

Search 23 U.S.C. § 315 : US Code - Section 315: Rules, regulations, and recommendations

Except as provided in sections 204(f) and 205(a) of this title,
the Secretary is authorized to prescribe and promulgate all needful
rules and regulations for the carrying out of the provisions of
this title. The Secretary may make such recommendations to the
Congress and State transportation departments as he deems necessary
for preserving and protecting the highways and insuring the safety
of traffic thereon.