Connecticut General Statutes Title 14. Motor Vehicles. Use of the Highway by Vehicles. Gasoline § 14-309. Approval of traffic safety measures and traffic control devices, signs or markings. Approval of related municipal regulation or ordinance

No traffic safety measure or traffic control device, sign or marking shall be installed or maintained on any state highway or on any bridge on any such highway or within the right-of-way of any such highway or bridge by the traffic authority of any town, city or borough, except by consent and written approval of the Office of the State Traffic Administration. No rule, regulation, order or ordinance of any town, city or borough relative to or in connection with such safety measure or traffic control device, sign or marking on any such highway or bridge, or within the right-of-way of any such highway or bridge, shall take effect until approved in writing by said office or be effective after such approval has been revoked. Approval of any such traffic control measure may be revoked by said office at any time, if it deems such revocation to be in the interest of public safety.