(a) Whenever, in the opinion of the Commissioner of Transportation the same is necessary, said commissioner shall on any state highway, and may on any town highway, erect and maintain suitable warning and directional signs for the guidance of persons traveling thereon and may erect and maintain traffic control signals, devices, signs and markings on state highways, as approved by the Office of the State Traffic Administration. All of such signs and devices shall conform to the specifications of the manual of uniform traffic control devices as approved and revised by the Office of the State Traffic Administration.

Terms Used In Connecticut General Statutes 13a-119

(b) The commissioner shall adopt regulations, in accordance with the provisions of chapter 54, that set forth the criteria used for the designation of control cities in accordance with the standards established by the American Association of State Highway and Transportation Officials.