AMP: 21 Location: Winthrop Rd and Stevenstown Rd, Deep River Reassurance shield as 145 north joins 80 east. The concurrency lasts a third of a mile. AMP: 21 Location: Winthrop Rd and Cedar Lake Rd, Deep River Shortly thereafter, turn left for 145 north. AMP: 21 Location: Winthrop Rd and Cedar Lake Rd, Deep River … Continue reading Connecticut Route 80, CT 145 to CT 145