AMP: 105 Location: Poquonnock Rd and Newtown Rd, Poquonock Bridge, Groton Reassurance shield after the CT 117 junction. AMP: 106 Location: Poquonnock Rd and Groton Long Point Rd, Groton A mile later, we’ll approach CT 215. AMP: 106 Location: Poquonnock Rd and Groton Long Point Rd, Groton Stay on US 1 for Mystic and Westerly, … Continue reading U.S. Route 1, CT 117 to CT 215