Conn. Gen. Stat. § 21-57
Each advertising structure, device or display shall be substantially built, well and neatly painted and kept in good repair. When it comes to the attention of the Commissioner of Transportation that any advertising structure, device or display is unsightly by reason of its lack of paint or repair, said commissioner shall notify the permittee in writing to either repaint or repair such structure, device or display within thirty days of the service of such notice and, if the permittee fails to comply with such notice, said commissioner may cause the removal of such defective advertising structure, device or display, and may collect from the permittee the cost of such removal. For the purpose of inspection of any advertising structure, device or display, subject to permit under the provisions of this chapter, and for the purposes of removal of illegal and offending advertising structures, devices or displays, said commissioner and his agents shall have the right of entry on the premises upon which any such illegal or offending advertising device or display is located.
Conn. Gen. Stat. § 21-57
(1949 Rev., S. 4695; 1972, P.A. 272, S. 7.)