Conn. Gen. Stat. § 13a-123e: Certificate of approval.

No person, firm or corporation shall establish, operate or maintain a junkyard, or scrap metal processing facility, any portion of which is within one thousand feet of the nearest edge of the right-of-way and visible from the main traveled way of a highway without obtaining a certificate of approval from the Commissioner of Transportation that such junkyard or scrap metal processing facility may be effectively controlled as required by sections 13a-123c to 13a-123j, inclusive. No license shall be issued under chapter 405 or 406 if any portion of the business requiring such license is within one thousand feet of the nearest edge of the right-of-way and visible from the main traveled way of any highway, as defined in sections 13a-123c to 13a-123j, inclusive, unless such certificate of approval has been obtained from the commissioner.