AMP: 0 Location: Kinsman Hill Rd and N Burnham Hwy, Lisbon No signage as SR 600 begins. AMP: 0 Location: Kinsman Hill Rd and Town House Rd, Lisbon Two thirds of a mile later, SR 600 ends at a similarly anticlimactic junction with CT 138. Turn left for 138 east. Stay straight for 138 west, … Continue reading Connecticut State Road 600, CT 169 to CT 138