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, which takes over Kinsman Hill Rd.