AMP: 0 Location: Lee Ave and Bank St, New London No signage as SR 643 begins. 643 facilitates US 1 south to CT 213 traffic. AMP: 0 Location: Lee Ave and Ocean Ave, New London A few blocks later, SR 643 ends. Turn left for 213 north back up to US 1 and right for … Continue reading Connecticut State Road 643, US-1 to CT 213