AMP: 0
Location: Spring Brook Rd and I-95, Old Saybrook
SR 628 begins as the connection between I-95/US 1 south and US 1 as US 1 splits from I-95.
AMP: 0
Location: Spring Brook Rd and Boston Post Rd, Old Saybrook
Turn left for US 1 north back to I-95 north. Turn right for US 1 south into Old Saybrook.