Connecticut Route 15

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Connecticut Route 15 marker

Route 15
Route information
Maintained by ConnDOT
Length83.53 mi[2] (134.43 km)
Existed1932 (relocated 1948)–present
RestrictionsNo commercial vehicles, trailers, towed vehicles, buses, or hearses on Merritt and Wilbur Cross Parkways[1]
Major junctions
South end NY 120A / Hutchinson River Parkway in Rye Brook
North end I-84 / US 6 in East Hartford
CountiesFairfield, New Haven, Hartford
Highway system
  • Routes in Connecticut
Route 14Route 16

Route 15 is a state highway in the U.S. state of Connecticut that runs 83.53 miles (134.43 km) from a connection with New York's Hutchinson River Parkway in Greenwich, Connecticut to its northern terminus intersecting with Interstate 84 in East Hartford, Connecticut. Route 15 consists of four distinct sections: the Merritt Parkway, the Wilbur Cross Parkway, the Berlin Turnpike, and part of the Wilbur Cross Highway. The unified designation was applied to these separate highways in 1948 to provide a continuous through route from New York to Massachusetts.

Route description[edit]

Route 15 begins at the New York border as the Hutchinson River Parkway becomes the Merritt Parkway, a 37.27 mile landscaped limited-access road with many sharp curves and low overpasses. The parkway proceeds in a mostly east-northeasterly direction. Major junctions along the parkway include US 7 in Norwalk, and the Route 8 expressway in Trumbull. As Route 15 crosses the Housatonic River on the Igor I. Sikorsky Memorial Bridge from Fairfield County into New Haven County, it becomes the 29.46 mile Wilbur Cross Parkway, which continues in the same east-northeasterly direction before turning more northeasterly in North Haven. Major junctions include the Milford Parkway (SR 796), a connector providing access to Interstate 95 and US 1 beginning just east of the Sikorsky Bridge; US 5 in Wallingford; and a complex set of interchanges in Meriden providing access to I-91, I-691, and the Route 66 expressway. The parkway ends about a mile north of I-691 as US 5 joins Route 15 and the road becomes a four-lane divided highway with signalized and at-grade intersections known as the Berlin Turnpike. After entering Hartford County, it meets the Route 9 expressway at a complex interchange in Berlin. After 11.21 miles on the turnpike, Route 15 and US 5 become the Wilbur Cross Highway in Wethersfield as the Berlin Turnpike becomes Route 314. After another complex interchange with I-91, it crosses the Connecticut River on the Charter Oak Bridge between Hartford and East Hartford. US 5 leaves the expressway just after the bridge in an interchange that also provides access to the Route 2 expressway. After 5.64 miles on the Wilbur Cross Highway, Route 15 ends as it merges into I-84 east. [3]

There are vehicle restrictions on the Merritt and Wilbur Cross Parkways (e.g., no trucks).[1]


The Route 15 designation was created as part of the 1932 state highway renumbering and originally ran from New Haven through Middletown, East Hartford and Stafford Springs to the Massachusetts state line in Union. The original route used the pre-expressway alignment of modern Route 17 to Glastonbury, Main Street to East Hartford center, U.S. Route 5 to the junction with Route 30, then modern Route 30 to Stafford, then modern Route 190 to Union, and modern Route 171 to the Massachusetts state line.[4]

In 1943, a newly constructed two-lane highway (now the Wilbur Cross Highway) between Tolland and Union was opened to traffic. Route 15 was relocated on this new highway and the former Route 15 between Route 74 and Route 190 (then part of Route 20) was redesignated as Route 30. By 1948, the rest of the old two-lane Wilbur Cross Highway to East Hartford had also opened, connecting to the Charter Oak Bridge and the Hartford Bypass. In 1948, the State Highway Department decided to relocate Route 15 to a series of roadways, namely the Merritt Parkway, Wilbur Cross Parkway, Berlin Turnpike, Hartford Bypass, Charter Oak Bridge, and the new Wilbur Cross Highway, creating a modern, high-speed throughway from the New York state line to the Massachusetts state line. The Route 15 designation was applied to the previously unnumbered parkways from Greenwich to Meriden, then overlaid with U.S. Route 5 through East Hartford, then designated on the southern half of the Wilbur Cross Highway to Tolland, connecting with the portion previously designated as Route 15 five years before. The former Route 15 between South Windsor and Tolland was reassigned as an extension of Route 30, and the former Route 15 between New Haven and Glastonbury became redesignated as Route 17.[4][5]

In 1948, a portion of the Wilbur Cross Parkway between Route 34 and Whitney Avenue had still been under construction. Route 15 was temporarily routed along Route 34, Sherman Avenue (former Routes 5 and 10), Henry Street/Munson Street/Hillside Place/Edwards Street (former Route 5), and Whitney Avenue (former Route 10A). By 1949, the Wilbur Cross Parkway was completed and the temporary Route 15 designation was removed from the surface streets. Further improvements in the Wilbur Cross Highway took place over the next several years and the road became a four-lane divided highway by 1954. In 1968, most of the Wilbur Cross Highway was designated as I-86 and further upgrades to the road were implemented. Route 15 and I-86 overlapped from the current 15/84 junction in East Hartford to the Massachusetts state line. In 1984, the overlap was removed, truncating Route 15 to its current northern end, while at the same time I-86 was redesignated as I-84.[5]

Exit list[edit]

FairfieldGreenwich0.000.00 Hutchinson River Parkway south to I-287 – White Plains, Whitestone Bridge, Kennedy AirportContinuation into New York; Exit numbers continue south along Hutchinson Parkway
27 NY 120A (King Street) – Armonk, NYNorthbound exit signed as Exit 30 on Hutchinson Parkway
3.485.6028Round Hill Road – GreenwichTo Greenwich Business District
4.697.5529Lake Avenue – Greenwich
5.659.0931North Street – GreenwichTo Greenwich Business District
Stamford8.9014.3233Den Road – Stamford
9.4815.2634 Route 104 (Long Ridge Road) – Stamford, Long RidgeTo Downtown Stamford and University of Connecticut Stamford Campus
10.6717.1735 Route 137 (High Ridge Road) – Stamford, High Ridge
New Canaan13.2421.3136 Route 106 (Old Stamford Road) – New Canaan, Springdale
14.1422.7637 Route 124 – New Canaan, Darien
Norwalk15.8825.5638 Route 123 (New Canaan Avenue) – New Canaan, NorwalkTo Norwalk Community College
17.3027.8439 US 7 to I-95 – Norwalk, South Norwalk, Wilton, DanburyNorthbound exit and southbound entrance; signed as Exits 39A (south) and 39B (north); redesign in proposal stage[6]
17.5828.2940US 7.svg Main Avenue to US 7Norwalk, DanburySigned as Exits 40A (south) and 40B (north); no northbound signage for US 7
Westport20.6533.2341 Route 33 – Westport, Wilton
21.5734.7142 Route 57 – Westport, Weston
Fairfield27.0443.5244 Route 58 – Fairfield, ReddingTo Fairfield Business District and Fairfield University
28.5345.9146 Route 59 – Fairfield, EastonTo General Electric Headquarters
Trumbull29.2347.0447Park AvenueTo University of Bridgeport and Sacred Heart University
30.5849.2148 Route 111 (Main Street) – Long Hill, MonroeSingle-point urban interchange
32.1751.7749 Route 25 south – BridgeportSigned as Exits 49S (south) and 49N (north) northbound; southbound exit to Route 25 south via Exit 52S; Exit 7 on Route 25
32.7652.7250 Route 127 – TrumbullSouthbound exit and northbound entrance
33.7354.2851 Route 108 (Nichols Avenue) – Trumbull, StratfordNorthbound exit and southbound entrance
34.1454.9452 Route 8 to Route 108 – Bridgeport, WaterburySigned as Exits 52N (north) and 52S (south); northbound access is via Exits 49S or 51; Exit 10 on Route 8
Stratford36.8759.3453 Route 110 – Stratford, Shelton
Housatonic River37.27–
Igor I. Sikorsky Memorial Bridge
North end of Merritt Parkway, south end of Wilbur Cross Parkway
New HavenMilford37.7960.8254 To I-95 / US 1 – Milford, New LondonAccess via Milford Parkway
38.3761.7555AWheelers Farms RoadSigned as Exit 55 southbound
38.4961.9455BWolf Harbor RoadNorthbound exit only
Orange41.4966.7756 Route 121 – Orange
42.8368.9357-58 Route 34 – New Haven, DerbyCloverleaf interchange; signed as Exits 57 (east) and 58 (west)
New Haven46.51–
59 Route 69 / Route 63 – New Haven, Woodbridge
Heroes Tunnel (formerly West Rock Tunnel)
Hamden50.2180.8160 Route 10 – HamdenSigned as Exit 60 (Hamden) and (New Haven) southbound
51.5883.0161Whitney Avenue – HamdenSigned as Exits 61 (New Haven) and 62 (Hamden) southbound
51.9983.6762Dixwell AvenueNorthbound exit and entrance
North Haven53.3385.8363 Route 22 – North Haven
Wallingford58.3893.9564WallingfordAccess via South Turnpike Road / Quinnipiac Street
58.6694.4065 Route 150 – Yalesville
61.0898.3066 US 5 – Wallingford, Meriden
Meriden63.14101.61ConnDOT Maintenance FacilityAlso serves Miller Avenue
64.13103.2167S I-91 south – New Haven, New York CitySouthbound exit and northbound entrance; Exit 17 on I-91
64.32103.5167WEast Main StreetSigned as Exit 67 northbound
64.83104.3368N-E I-91 north to Route 66 east – Hartford, MiddletownNorthbound exit and southbound entrance, signed as Exits 68N (I-91) and 68E (Route 66)
65.26105.0368W I-691 west – Meriden, WaterburyNo southbound exit; Exits 9-10 on I-691
66.89107.65 US 5 south (North Broad Street) to Route 66 / I-691 – MeridenSouth end of US 5 concurrency; north end of Wilbur Cross Parkway; southbound exit and northbound entrance
Route 9 south – MiddletownInterchange; Exits 21-22 on Route 9
Route 372 to Route 9 north – New Britain, East Berlin, KensingtonInterchange; southbound access via Worthington Ridge Road (SR 572)
72.76117.10 Route 160 east – Rocky HillWest end of Route 160
Newington74.26119.51 Route 173 north – West HartfordSouth end of Route 173
74.88120.51 Route 176 north – NewingtonSouth end of Route 176
76.27122.74 Route 287 west – NewingtonWest end of Route 287 concurrency
76.34122.86 Route 287 east – WethersfieldEastern end of Route 287 concurrency
Wethersfield76.97123.87 Route 175 – Newington, New Britain, WethersfieldInterchange
77.89125.35 Route 314 east (Berlin Turnpike) to Maple AvenueNorthbound exit and southbound entrance; south end of the Wilbur Cross Highway
79.81128.4485 Route 99 south – Wethersfield, Rocky Hill
Hartford80.39129.3886 I-91 south – New Haven, New York CityExits 28-29 on I-91
80.78130.0087I-91.svg Brainard Road / Airport Road / I-91 south – Brainard AirportNo northbound signage for I-91; Exit 27 on I-91
81.27130.7989 I-91 north to I-84 west – Hartford, SpringfieldNorthbound exit and southbound entrance; Exit 28 on I-91
Connecticut River81.56–
Charter Oak Bridge
East Hartford81.95131.8990 US 5 north (Main Street) to Route 2 / East River Drive – NorwichNorth end of US 5 concurrency; no southbound signage for Route 2
82.97133.5391Silver Lane (SR 502)Northbound exit and southbound entrance
83.53134.43 I-84 / US 6 east – BostonExit 57 on I-84
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b Connecticut Department of Motor Vehicles: Registering a Pick-up Truck with Passenger Plates
  2. ^ "Archived copy" (PDF). Archived from the original (PDF) on September 5, 2015. Retrieved January 18, 2008.CS1 maint: archived copy as title (link)
  3. ^ "Connecticut State Highway Log (2006)" (PDF). Archived from the original (PDF) on September 27, 2011. Retrieved May 8, 2008.
  4. ^ a b - Route 15
  5. ^ a b Larry Larned, "Route 15: The Road to Hartford", (Arcadia Publishing, 2002)
  6. ^ "Route 7/15 Norwalk Project". Retrieved May 22, 2019.

External links[edit]

Route map:

KML is from Wikidata