Connecticut Route 8

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Route 8 marker

Route 8
Route information
Maintained by ConnDOT
Length: 67.36 mi (108.41 km)
Existed: 1922 – present
Major junctions
South end: I-95 / Route 25 / Conn. Turnpike in Bridgeport

US 1 in Bridgeport
Route 68 in Naugatuck

Route 15 in Trumbull
Route 34 in Derby
I-84 in Waterbury
US 6 in Thomaston
US 202 in Torrington
US 44 in Winsted
North end: Route 8 in Sandisfield, MA
Counties: Fairfield, New Haven, Litchfield
Highway system
  • Routes in Connecticut
US 7 Route 9

Route 8 is the portion of the multistate New England Route 8 within the state of Connecticut. It is a 67.36-mile (108.41 km) state highway running north–south from Bridgeport, through Waterbury, all the way to the Massachusetts state line where it continues as Massachusetts Route 8. Most of the highway is a 4-lane freeway but the northernmost 8.8 miles (14.2 km) is a 2-lane surface road.[1]

Route description[edit]

Route 8 begins at Interstate 95 Exit 27A in Bridgeport. The first 3.75 miles (6.04 km) through Bridgeport is co-signed with the freeway portion of Route 25. Approaching the split between Routes 8 and 25, the road expands to 6, 8, and even 10 lanes. Route 8 continues northeastward into Trumbull where there is an interchange with the Merritt Parkway.

From Trumbull, it briefly enters Stratford before entering Shelton passing by several exits providing access to business parks. It then crosses the Housatonic River and continues into Derby. After the Route 34 interchange, the road takes on more of a semi-rural character as it winds it way along the Naugatuck River through the towns of Ansonia, Seymour, and Beacon Falls before it becomes more suburban in nature in Naugatuck, and then more urban as it enters Waterbury. In Waterbury, Route 8 meets with Interstate 84 at the interchange known locally as the "Mixmaster". After the Route 73 interchange, the road returns to its winding semi-rural nature, passing through Watertown, Thomaston (where US 6 briefly overlaps for about a mile), Litchfield, and Harwinton. After a brief suburban section through Torrington where it intersects US 202 and Route 4, it returns to a rural freeway before entering the town of Winchester.

The freeway portion of Route 8 ends at US 44 and Route 183 in Winsted. After a short (0.33 mile) northwesterly overlap with US 44 and Route 183, Route 8 continues north as a mostly rural surface road. It intersects the western end of Route 20 on the northern edge of town, and continues through Colebrook to the Massachusetts state line, becoming Massachusetts Route 8 upon entering Sandisfield.

The section from I-95 to the Route 25 split is also known as the Colonel Henry Mucci Highway (designation continues on Route 25). The section from Shelton to Beacon Falls is known as the General Samuel Jaskilka Highway. The section from Constitution Boulevard in Shelton to Route 334 at the Seymour/Ansonia town line is known as the Ansonia-Derby-Shelton Expressway. The section from Waterbury to the freeway end in Winchester is known as the James H. Darcey Memorial Highway.


New England 8.svg

Most of the alignment of Route 8 was part of an improved toll road known as the Waterbury River Turnpike, which ran from Naugatuck, via Torrington, Winchester Center and Colebrook Center, to the Massachusetts state line. The turnpike was chartered in 1801 and collected tolls until 1862. Two other sections of Route 8 were also old turnpikes: the portion north of Torrington was known as the Still River Turnpike chartered in 1815; the portion between Seymour and Naugatuck was known as the Humphreysville and Salem Turnpike chartered in 1825.

In 1922, the six New England states began a region-wide highway numbering system. The trunk highway from Stratford through Waterbury to the Massachusetts state line became part of the multi-state New England Route 8. Route 8 remained unchanged in the 1932 state highway renumbering. The main road connecting Bridgeport and Shelton (following Noble Avenue, Huntington Turnpike, Shelton Road, Bridgeport Avenue, and Center Street), which was designated as State Highway 316 in 1922, was renumbered as Route 65 in the 1932 renumbering.

In 1951, the Ansonia-Derby-Shelton Expressway portion between Constitution Boulevard in Shelton and Pershing Drive in Derby (including the Commodore Isaac Hull Memorial Bridge) opened to traffic. As part of the freeway upgrading of Route 8, the southern terminus was shifted west from Stratford to Bridgeport, taking over old Route 65. The original southern end of Route 8 was assigned to an extended Route 110. By 1957, the entire length of the Ansonia-Derby-Shelton Expressway portion is open with the extension from Pershing Drive to Route 334 at the Ansonia/Seymour town line complete.

In the 1960s and 1970s additional sections of the Route 8 freeway opened in stages: in 1960, the segment from Route 63 to South Main Street in Waterbury opened; in 1962, the section from Route 334 to Route 67, including the elevated highway portion through central Seymour, opened; in 1966, the Mixmaster interchange with I-84 is completed and the freeway was also extended to Route 262 in Watertown. An additional section from Route 118 in Litchfield to Kennedy Road in Torrington also opened. By 1970, the portion from Route 262 in Watertown to Route 118 in Litchfield opened. By 1972, the segment from I-95 to Route 108 in Trumbull, including the overlap with Route 25, was completed. The freeway was also extended from Kennedy Road in Torrington to its present terminus at Route 44 in Winsted. By 1975, the freeway was completed between Huntington Turnpike at the Trumbull/Shelton town line to Constitution Boulevard in Shelton.

The early 1980s saw the completion of the Route 8 freeway with the 4-lane surface route from Route 67 in Seymour to Route 63 in Naugatuck (originally built in the 1940s) upgraded to a freeway, including the portion that bypasses Beacon Falls. The last segment of freeway between Route 108 in Trumbull and Huntington Turnpike, including a new interchange with the Merritt Parkway was completed in 1982. This constituted the completion of the freeway from Bridgeport to Winchester, 35 years after construction began.

Attempts at Interstate Designation[edit]

The Route 8 freeway was envisioned to continue beyond its present northern terminus in Winsted to either Massachusetts or southern Vermont. In 1972, Massachusetts and Connecticut requested an interstate designation for the Route 8 corridor that included completed and yet-to-be-built sections in both states. That request was denied by the Federal Highway Administration.[2]

In the ensuing 40 years, on-and-off discussions and engineering studies to designate Route 8 as an interstate route have continued, with the most recent study being completed in 2011. In that report, the study noted that not all of the Route 8 freeway meets interstate standards, particularly sections that were designed and built before the interstate highway era. Newer sections between Bridgeport and Shelton, and from the I-84 interchange in Waterbury to Winsted were designed and built from the late 1960s to the early 1980s and either meet interstate standards or require minimal spot upgrades to meet interstate standards. The report noted the sections that do not meet interstate standards include the 8-mile segment from Shelton to Seymour, which was built in stages from the late 1940s through the early 1960s; and the 5-mile section through Naugatuck, which was built in the 1950s. Both of these segments include narrow cross-sections, tight curve radii, and closely spaced interchanges that do not meet current interstate standards. Because these segments wind their way through the urban centers of Shelton, Derby, Seymour and Naugatuck on elevated viaducts, upgrading (or bypassing) these segments would be costly and cause significant disruption to the surrounding communities.

Exit list[edit]

Exits will be renumbered from sequential to mileage-based numbering starting in 2018, under three contracts let by CONNDOT to replace highway signage on Route 8.

County Location mi[3] km Exit Destinations Notes
Fairfield Bridgeport 0.00–
I-95 / Conn. Turnpike – New Haven, N.Y. City
0.40 0.64 1 Prospect Street, Myrtle Avenue Southbound exit, northbound entrance
0.80 1.29 2 Route 130 (Fairfield Avenue), Golden Hill Street, Main Street SR 700
1.44 2.32 3 Main Street, Washington Avenue Southbound exit, northbound entrance
2.21 3.56 4 Lindley Street Northbound exit, southbound entrance
2.80 4.51 5 US 1 (Boston Avenue, North Avenue) Via Chopsey Hill Road
3.75 6.04 Route 25 north to Route 15 / Merritt Parkway south – Trumbull, Danbury Northern terminus of CT 25 overlap. Northbound left exit and southbound entrance.
Trumbull 4.17 6.71 7 Route 127 north (White Plains Rd., E. Main St.) to Route 25 Southbound exit, northbound entrance
5.46 8.79 8 Route 108 (Nichols Ave.) to Route 15 north / Merritt Parkway – Stratford
9, 10 Route 15 / Merritt Parkway – New Haven, N.Y. City Northbound junction only signed as exit 9; southbound junction only signed as exit 10
Stratford 7.16 11.52 11 Huntington Road, Bridgeport Avenue SR 714
Shelton 9.19 14.79 12 Old Stratford Road Full diamond interchange
11.47 18.46 13 Constitution Boulevard, Bridgeport Avenue SR 714
12.28 19.76 14 Route 110 (Howe Avenue) – Shelton
Housatonic River 12.28–
Commodore Hull Bridge
New Haven Derby 12.84 20.66 15 Route 34 (Main Street) – Derby, New Haven Access to the Derby-Shelton (Metro-North station)
13.40 21.57 16 Pershing Drive – Ansonia Northbound exit, southbound entrance; SR 727
13.68 22.02 17 Seymour Avenue
14.33 23.06 18 Division Street Northbound exit and entrance; entrance only southbound
Ansonia 15.50–
19 Route 334 (Wakelee Avenue) – Ansonia Southbound signed to Route 334
Seymour 16.47–
20 Derby Avenue Southbound exit, northbound entrance
17.50 28.16 21 Derby Avenue to Route 67 – Oxford Northbound exit, southbound entrance; SR 728
18.68 30.06 22 Route 67 (Bank Street) – Seymour, Woodbridge
Beacon Falls 21.09 33.94 23 Route 42 – Beacon Falls, Oxford Northbound exit, southbound entrance
22.35 35.97 24 To Route 42 – Beacon Falls, Oxford Southbound exit, northbound entrance; SR 852
Naugatuck 24.09 38.77 25 Cross Street
25.27 40.67 26 Route 63 (S. Main St.) – Bethany
27 North Main Street, Maple Street SR 709
28 To Route 68 – Union City, Prospect SR 710
27.31 43.95 29 South Main Street, Platts Mill Road – Waterbury SR 847
Waterbury 29.07–
30 South Leonard Street, Washington Avenue
31 I-84 east – Hartford The Mixmaster; includes exits 32 and 33.
32 Riverside Street – Downtown Waterbury
33 I-84 west – Danbury
30.64 49.31 34 West Main Street – Downtown Waterbury Southbound exit, northbound entrance
31.22 50.24 35 Route 73 north – Oakville, Watertown Northbound left exit, southbound entrance
32.61 52.48 36 Huntingdon Avenue, Colonial Avenue
Litchfield Watertown 34.31 55.22 37 Route 262 – Watertown
Thomaston 37.92–
38 US 6 west / Route 254 to Route 109 – Thomaston, Watertown Western terminus of US 6 overlap
39.70 63.89 39 US 6 east / Route 222 – Thomaston, Bristol, Plymouth, Terryville Eastern terminus of US 6 overlap
40.36 64.95 40 Route 222 (N. Main St.) – Thomaston Southbound exit, northbound entrance
Litchfield 44.11 70.99 41 Campville Rd. – Northfield, Campville
Harwinton 46.82 75.35 42 Route 118 – Litchfield, Harwinton
Torrington 49.25 79.26 43 Harwinton Avenue
44 US 202 / Route 4 – Downtown Torrington
51.81 83.38 45 Winsted Road, Kennedy Drive
55.55 89.40 46 Pinewoods Road – Burrville Full diamond interchange
Winchester 58.51 94.16 US 44 east / Route 183 south – New Hartford End of freeway; Eastern/Southern terminus of US 44/CT 183 overlap; Trumpet interchange
58.84 94.69 US 44 west / Route 183 north – Canaan, Colebrook Western/Northern terminus of US 44/CT 183 overlap
60.67 97.64 Route 20 east – Riverton
Colebrook 67.36 108.41 Route 8 north – Sandisfield, Otis Massachusetts state line. Route continues into MA.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]


Route map: Google

KML is from Wikidata
  1. ^ Connecticut Department of Transportation (2004), Connecticut State Highway Log (PDF),, archived from the original (PDF) on 2015-07-26 
  2. ^ Route 8 Deficiencies & Needs Study Stakeholder Group Meeting, Connecticut Department of Transportation, February 18, 2011
  3. ^ "Archived copy" (PDF). Archived from the original (PDF) on 2015-07-26. Retrieved 2008-01-20. 

External links[edit]