 | This article needs additional citations for verification. (October 2023) |
 Route 3 | ||||
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| Route information | ||||
| Maintained by CTDOT | ||||
| Length | 14.45 mi (23.26 km) | |||
| Existed | 1941 (extended 1991)–present | |||
| Major junctions | ||||
| South end |  Route 66 in Middletown | |||
 I-91 in Wethersfield | ||||
| North end |  Route 2 in Glastonbury | |||
| Location | ||||
| Country | United States | |||
| State | Connecticut | |||
| Counties | Middlesex, Hartford | |||
| Highway system | ||||
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Route 3 is a 14.45-mile-long (23.26 km) route connecting Middletown to Glastonbury. It passes through the towns of Cromwell, Rocky Hill, and Wethersfield. The northernmost 3 miles (4.8 km) of Route 3 is a freeway that was originally intended for the cancelled Interstate 491.