AMP: 108 Location: New London Rd and W Main St, Mystic, Groton Just after SR 614, keep left for US 1 and Main St while New London Rd connects to CT 215. US 1 has the drawbridge. AMP: 108 Location: W Main St and High St, Mystic, Groton Traffic in Mystic gets to be pretty … Continue reading U.S. Route 1, SR 614 to CT 215