AMP: 76 Location: Boston Post Rd and Essex Rd, Old Saybrook Reassurance shield after the CT 153 junction. AMP: 77 Location: Boston Post Rd and Thompson Ln, Old Saybrook A mile and a half later, we’ll enter Old Saybrook. AMP: 78 Location: Boston Post Rd and Spencer Plain Rd, Old Saybrook As we enter Old … Continue reading U.S. Route 1, CT 153 to CT 166