49 C.F.R. § 356.11 Elimination of gateways—regular and irregular route carriers.
Title 49 - Transportation
A motor common carrier of property holding separate grants of authority (including regular route authority), one or more of which authorizes transportation over irregular routes, where the authorities have a common service point at which they can lawfully be tacked to perform through service, may perform such through service over any available route.
Title 49: Transportation
PART 356—MOTOR CARRIER ROUTING REGULATIONS
§ 356.11 Elimination of gateways—regular and irregular route carriers.