AMP: 84 Location: Boston Post Rd and I-95, Old Lyme Reassurance shield after the I-95 junction as US 1 embarks on its most rural stretch in Connecticut. AMP: 86 Location: Boston Post Rd and Grassy Hill Rd, Old Lyme Reassurance shield a couple miles later. AMP: 89 Location: Boston Post Rd and Four Mile River … Continue reading U.S. Route 1, I-95 to SSR 432