AMP: 0 Location: N Frontage Rd and I-95, New London SR 623 carries the westbound frontage road and US 1 southbound and moves traffic from CT 32 north to I-95/US 1 south. Just as it begins, we’ll approach SR 636/Briggs St as we pass under CT 32. AMP: 0 Location: N Frontage Rd and Briggs … Continue reading Connecticut State Road 623, I-95/US-1/CT 32/SR 641 to SR 636