§ 390.9 State and local laws, effect on.
PART 390—FEDERAL MOTOR CARRIER SAFETY REGULATIONS; GENERAL, last amended 2016-12-12
Except as otherwise specifically indicated, subchapter B of this chapter is not intended to preclude States or subdivisions thereof from establishing or enforcing State or local laws relating to safety, the compliance with which would not prevent full compliance with these regulations by the person subject thereto.