Map of New Haven County in southern Connecticut with Wilbur Cross Parkway highlighted in red
|Length||29.62 mi (47.67 km)|
|Route 15 from Milford to Meriden|
|Restrictions||No commercial vehicles, trailers, towed vehicles, buses, or hearses |
|South end||Route 15 / Merritt Parkway in Stratford|
|North end||US 5 / Route 15 ( Berlin Turnpike) in Meriden|
The Wilbur Cross Parkway is a limited access road in Connecticut, comprising the portion of Route 15 between Milford and Meriden. It is named after Wilbur Lucius Cross, a former governor of the state (1931–1939). Being classified as a parkway, commercial vehicles, trailers, towed vehicles except as provided in Section 14-298-240,  buses, hearses in a procession or cortege, and large vehicles are prohibited from using the road.  The Wilbur Cross Parkway had two toll barriers until 1988; these were located in Milford and Wallingford.
The four-lane Wilbur Cross Parkway begins as a direct continuation of the Merritt Parkway at the Sikorsky Bridge over the Housatonic River at the town line between Milford and Stratford. Immediately after is the exit for the Milford Parkway, which connects to the Connecticut Turnpike ( I-95) and the Boston Post Road ( US 1). The Wilbur Cross Parkway runs east northeast through the towns of Milford, Orange, Woodbridge, and New Haven. At the town line between New Haven and Hamden, the parkway passes through the West Rock Tunnel, which was renamed "Heroes Tunnel" in 2003 by the State of Connecticut to honor first responders. The only road tunnel through a natural obstacle in Connecticut, it is lighted solely using low pressure sodium vapor lamps, rare in the United States. The parkway proceeds north through the towns of Hamden, North Haven, Wallingford, and Meriden. After connecting with I-91 in Meriden, the parkway ends, merging onto North Broad Street ( US 5). North of Meriden, Routes 5 and 15 continue as the Berlin Turnpike.
Reflecting its history as a toll road, two pairs of service plazas lie opposite one-another along the parkway in Orange and North Haven. All were renovated since 2011, along with six further south on the Merritt Parkway. In addition to gas pumps and an Alltown convenience store at each plaza, they now include Dunkin' Donuts and Subway shops.  Prior to the renovations, no fast-food service had been available at any of the plazas. Three abandoned rest areas remain along the Parkway, in Woodbridge, New Haven, and Meriden.
The Wilbur Cross Parkway was originally planned in 1937 as route from US 1 in Milford to the Massachusetts state line in Union. The portion of the parkway south of Meriden was built largely as planned. Construction began in 1939 when federal funds were secured. The first section of the parkway to open was the Milford to Orange segment, from the Housatonic River (Exit 54) to Route 34 (Exit 57-58) at the end of 1941. Subsequent construction was delayed by World War II. After the war, two more sections of the parkway opened: the segment from US 5 in Wallingford (Exit 66) to US 5 in Meriden (Exit 68), bypassing the city center opened in 1946; and the segment from Route 10A in Hamden (Exit 61) to US 5 in Wallingford opened in 1947.
In 1948, the parkway was designated as part of a new Route 15, connecting New York to Massachusetts. Because the New Haven segment had not yet been completed, motorists were directed to temporarily follow Route 34, US 5, and Route 10A. In November 1949, the New Haven segment, from Exit 57-58 to Exit 61, including the West Rock Tunnel opened. The entire parkway was a toll road when it opened in 1941. Tolls were removed from both the Merritt and Wilbur Cross Parkways in 1988.
The entire route is in New Haven County.
|Milford||0.00||0.00||–||Route 15 south / Merritt Parkway south||Continuation into Fairfield County|
|Igor I. Sikorsky Memorial Bridge over the Housatonic River|
|0.52||0.84||54||To I-95 / US 1 – Milford, New London||Access via Milford Parkway|
|1.10||1.77||55A||Wheelers Farms Road||Signed as exit 55 southbound|
|1.22||1.96||55B||Wolf Harbor Road||Northbound exit only|
|Orange||4.22||6.79||56||Route 121 – Orange|
|5.56||8.95||57-58||Route 34 – New Haven, Derby||Signed as exits 57 (east) and 58 (west)|
|59||Route 63 / Route 69 – Woodbridge, New Haven|
|Heroes Tunnel (formerly West Rock Tunnel)|
|Hamden||12.94||20.82||60||Route 10 – Hamden, New Haven|
|14.31||23.03||61||Whitney Avenue – Hamden, New Haven||Signed as exits 61 (south) and 62 (north) southbound|
|14.72||23.69||62||Dixwell Avenue – Hamden, North Haven||Northbound exit and entrance|
|North Haven||16.06||25.85||63||Route 22 – North Haven|
|Wallingford||21.11||33.97||64||Wallingford||Access via South Turnpike Road / Quinnipiac Street|
|21.39||34.42||65||Route 150 – Yalesville|
|23.81||38.32||66||US 5 – Wallingford, Meriden|
|Meriden||27.87||44.85||–||ConnDOT Maintenance Facility||Also serves Miller Avenue|
|26.86||43.23||67S||I-91 south – New Haven, New York City||Southbound exit and northbound entrance; exit 17 on I-91|
|27.05||43.53||67W||East Main Street||Signed as exit 67 northbound|
|27.56||44.35||68N-E||I-91 north to Route 66 east – Hartford, Middletown||Northbound exit and southbound entrance, signed as exits 68N (I-91) and 68E (Route 66)|
|27.99||45.05||68W||I-691 west – Meriden, Waterbury||No southbound exit; exits 9-10 on I-691|
|29.62||47.67||–||Route 15 north / US 5 north ( Berlin Turnpike)||South end of US 5 concurrency; continues north to Hartford|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi|
- Connecticut Department of Motor Vehicles: Registering a Pick-up Truck with Passenger Plates
- Regulations of Connecticut State Agencies
- "Rest Areas and Information Centers on Connecticut Highways". Connecticut Department of Transportation. Retrieved September 15, 2016.
- Connecticut state highway route log, 2006
- kurumi.com - Wilbur Cross Parkway
- nycroads.com - Wilbur Cross Parkway