AMP: 0 Location: Thames St and Main St, Norwich No signage as SR 646 begins. SR 646 carries CT 32 southbound through the 32/82 junction by looping north and then back south under the CT 82 west lanes. CT 32 north is able to just turn directly onto CT 82 east. AMP: 0 Location: Thames … Continue reading Connecticut State Road 646, (within the CT 32/CT 82 intersection)