Conn. Agencies Regs. § 16-304-E1
Pursuant to the provisions of section 16-282 of the general statutes, the commission hereby determines the limits of the adjoining territory within which motor vehicles, while engaged in the transportation of property wholly therein, are excluded from the provisions of chapter 285, except as noted in said section 16-282, to be as follows:
(k) New Haven and East Haven and Hamden and West Haven
(l) New London and Groton and Waterford (Including transportation of property between New London, Groton and Waterford and the freight station known as Mystic and situated on the east side of the Mystic River, in the town of Stonington)