- Southern Terminus:
- Colman Street (US 1) in New London
- Northern Terminus:
- New Bolton Road (US 6/US 44) and Boston Turnpike (US 6/US 44) in Bolton
- 37.38 miles
- New London, Tolland
CT 85 is a north/south route in the eastern half of Connecticut. It begins at Colman Street (US 1) in New London and runs northeast to Salem and north through Colchester and Hebron to Bolton, where it ends at US 6/US 44, just west of the eastern terminus of I-384.