Connecticut Route 3

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For the Route 3 that existed in the 1920s, see U.S. Route 6 in Connecticut.

Route 3 marker

Route 3
Route information
Maintained by ConnDOT
Length: 14.48 mi (23.30 km)
Existed: 1941 (extended 1991) – present
Major junctions
South end: Route 66 in Middletown
  I‑91 in Wethersfield
North end: Route 2 at the Glastonbury-East Hartford town line
Counties: Middlesex, Hartford
Highway system
Route 2A Route 4
I‑484 I-491.svg I‑684

Route 3 is a 14.48-mile-long (23.30 km) route connecting Middletown to the Glastonbury-East Hartford town line. It passes through the towns of Cromwell, Rocky Hill, Wethersfield, and Glastonbury. The northernmost 3 miles (4.8 km) of Route 3 is an expressway that was originally intended for the cancelled Interstate 491.

Route description[edit]

Route 3 begins at Route 66 in Middletown. It is a secondary, minor arterial road from Middletown up to its interchange with Interstate 91 in Wethersfield. It crosses, but does not have a direct interchange with the Route 9 freeway in Cromwell (access is via Route 372) and with Interstate 91 in Rocky Hill. The last 3.5 miles (5.6 km) of Route 3 from the Interstate 91 interchange in Wethersfield to East Hartford is freeway. Then Route 3 freeway crosses the Connecticut River on the William H. Putnam Memorial Bridge from Wethersfield into Glastonbury. The freeway has one intermediate exit into Glastonbury. Route 3 ends at an interchange with the Route 2 freeway just after crossing into East Hartford. The last 0.75 miles (1.21 km) of Route 3 is the merging ramp from Route 3 northbound to Route 2 westbound.

Special designations[edit]

Route 3 through the town of Rocky Hill is also known as the Disabled American Veterans Memorial Highway.


Route 3 was established in 1941. It originally ran from West Street/Berlin Road in Cromwell, which was part of Route 72 at the time (now Route 372), to the Silas Deane Highway (Route 99) in Wethersfield.

Interstate 491
Location: Hartford, Connecticut
Existed: 1958–1973

In late 1958, as part of the planned Interstate 491 (a southeastern bypass of Hartford), a freeway from I-91 to Route 2, crossing the Connecticut River on the Putnam Memorial Bridge, was opened. The Route 3 designation was temporarily extended along this freeway pending completion of I-491. In 1973, I-491 was cancelled due to local opposition and the Route 3 designation along this freeway segment became permanent.

In 1991, when the Route 9 freeway through Berlin and New Britain was completed, Route 72 was truncated to end at Route 9 in New Britain. The east–west portion of the old alignment of Route 72 was reassigned to an extended Route 372 (running along Berlin Road/West Street to end at Route 99 in Cromwell). The north–south portion of old Route 72 from Cromwell to Middletown (ending at Route 66) was reassigned to Route 3.

Junction list[edit]

County Location Mile km Destinations Notes
Middlesex Middletown 0.00 0.00 Route 66 – Middletown, Portland, Meriden
Cromwell 3.37 5.42 Route 372 to Route 9 – Middletown, Cromwell, Hartford, Berlin, New Britain
Hartford Rocky Hill 6.59 10.61 To I‑91 / SSR 411 (West St) – Hartford, New Haven, Dinosaur State Park
7.40 11.91 Route 160 east – Rocky Hill Eastern end of Route 160 overlap
8.11 13.05 Route 160 west – Berlin Western end of Route 160 overlap
Wethersfield 10.21 16.43 Route 287 west – Newington
10.37 16.69 Route 99 – Hartford, Rocky Hill
10.99 17.69 Elm Street At-grade intersection, Begin Expressway
11.28 18.15 I‑91 – Hartford, New Haven No direct access Route 3 North to I-91 South
Connecticut River 12.71 20.45 Putnam Bridge
Glastonbury 13.19 21.23 Main Street – Glastonbury
13.68 22.02 Route 2 – East Hartford, Norwich Route 2 exit 5D, trumpet interchange
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


External links[edit]

Route map: Google / Bing