Conn. Gen. Stat. § 7-282: Municipal accident and police records.

The police department of any city, town or borough having or receiving any memoranda, sketches, charts, written statements, reports or photographs made in the investigation of any accident wherein any person has been injured or property damaged shall preserve and retain the same for a period of at least ten years from the date of such accident. Subsequent to the final disposition of any criminal action arising out of an accident, the records hereinbefore specified and the information contained therein shall be open to public inspection, except that such records shall be available to any person involved in the accident subsequent to the issuance of a warrant or summons in such action.