Connecticut Route 150
|Maintained by ConnDOT|
|Length:||9.04 mi (14.55 km)|
|Existed:||1932 (extended 1962) – present|
|South end:||Route 22 in North Branford|
| I‑91 in Wallingford
Route 15 in Wallingford
|North end:||US 5 in Wallingford|
Route 150 is a state highway in southern Connecticut running for 9.04 miles (14.55 km) from the village of Northford, in the town of North Branford, through the center of Wallingford, to the village of Yalesville in Wallingford.
Route 150 begins at an intersection with Route 22 in North Branford and heads northwest into Wallingford. In Wallingford, it heads north, intersecting I-91. It then continues north and northwest, briefly overlapping US 5 in central Wallingford. It continues to cross the Quinnipiac River and intersect Route 15. Route 150 then turns north-northeast along the river, crossing it again, before overlapping Route 71 through the one-lane Yalesville Underpass. It then leaves Route 71 before ending at another intersection with US 5.
The road from Wallingford center to the village of Northford was known as State Highway 226 in the 1920s. Route 150 was commissioned in 1932 partly from the western half of old Highway 226, running east–west from Cheshire to McKenzie Reservoir in eastern Wallingford along Wallingford Road, Center Street, East Center Street. In 1961, the rest of old Highway 226 was incorporated into Route 150, continuing south of East Wallingford along Northford Road to Route 17 in Northford. The following year, however, the section of Route 150 east of the current intersection with East Center Street (modern SR 738) was shifted to the current route along Woodhouse Avenue, with the southern terminus set at Route 17 in Northford. The Yalesville Underpass, built in 1838 and believed to be the oldest skew arch underpass in North America, was incorporated into Route 150 also in 1962, when the route was extended to its current northern terminus via a section of the old Hartford and New Haven Turnpike (former SR 555). In 1963, the southern terminus was shifted slightly to its current location at Route 22 with the section beyond the current terminus transferred to Route 22.
The entire route is in New Haven County.
|North Branford||0.00||0.00||Route 22 – Northford, North Haven|
|Wallingford||2.96||4.76||I‑91 – Meriden, New Haven||I-91 Exit 14 northbound|
|5.16||8.30||US 5 – North Haven, Meriden|
|5.79||9.32||Route 15 (Wilbur Cross Parkway) – Hamden, Newington||Route 15 Exit 65|
|8.03||12.92||Route 68 – Cheshire, Durham|
|8.49||13.66||Route 71 – Wallingford, Meriden|
|9.04||14.55||US 5 – Wallingford, Meriden|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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