Conn. Gen. Stat. § 13b-324
(Formerly Sec. 16-140). Compliance with orders re operation of trains. Accident notification requirements.
(b) In the event of an accident involving personal injury or affecting the public safety occurring on any of its property or involving any of its equipment, a railroad company shall notify the commissioner as soon as possible after the accident. Any notice given orally shall be confirmed in writing within five days. Any railroad company that fails to comply with this subsection shall be fined not more than five hundred dollars for each offense.