Connecticut Route 140

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Route 140 marker

Route 140
Route information
Maintained by ConnDOT
Length: 22.50 mi[1] (36.21 km)
Existed: 1932 – present
Major junctions
West end: Route 75 in Windsor Locks
  I‑91 in East Windsor
East end: Route 32 / Route 190 in Stafford
Highway system
Route 139 Route 142

Route 140 is a state highway in Connecticut in the northeastern part of the Greater Hartford area. Route 140 is a main artery connecting the town of Ellington to Windsor Locks.

Route description[edit]

Route 140 starts out at Route 75, in Windsor Locks. It then begins an overlap with Route 159, before reaching a bridge, and turning away from Route 159. Now known as Bridge Street, it crosses the Connecticut River into East Windsor, then meets an intersection with I-91. Shortly thereafter, it meets an intersection with US 5, before changing its street name to North Road. It then becomes Sadd's Mill Road. It meets an intersection with Route 286, before becoming Maple Street. It then meets an overlap with Route 83, before becoming Crystal Lake Road. Route 140 then meets an overlap with Route 30, as it becomes Sandy Beach Road. Route 140 then ends as it reaches Route 190 and Route 32 in Stafford.[1]


Route 140 was commissioned in 1932, running from US 5 to Route 83 along the current routes of Routes 191, 140, and 286. In the 1920s, this route was known as State Highway 307. In 1961, with the opening of the Bradley Airport Connector as part of Route 20, Routes 140 and 191 were rerouted to their current locations in Windsor Locks and East Windsor. The following year, Route 140 in Windsor Locks was relocated from Spring Street (old Route 20) to Elm Street (former SR 523). In 1963, Route 140 was extended to its eastern terminus in Stafford, and rerouted slightly north to absorb a connector (Route 140A) between Route 83 and the center of Ellington in the process. In the late 1990s and 2002, the alignment was straightened in several parts of East Windsor and Ellington.[2]

Junction list[edit]

County Location Mile[1] km Destinations Notes
Hartford Windsor Locks 0.00 0.00 Route 75 (Ella T. Grasso Turnpike) – Suffield, Poquonock
2.28 3.67 Route 159 north (S. Main St.) – Suffield Western terminus of concurrency with CT 159
2.58 4.15 Route 159 south (Main St.) – Windsor Eastern terminus of concurrency with CT 159
East Windsor 3.55 5.71 I‑91 – Hartford, Enfield
3.73 6.00 US 5 (Prospect Hill Road) – Enfield, Windsor
7.39 11.89 Route 191 south (Main St.) – Broad Brook Western terminus of concurrency with CT 191
8.63 13.89 Route 191 north (Broad Brook Rd.) / Melrose Rd. – Melrose Eastern terminus of concurrency with CT 191
Tolland Ellington 12.76 20.54 Connector to Route 286
13.70 22.05 Route 83 south (Somers Rd.) – Vernon Western terminus of concurrency with CT 83
13.74 22.11 Route 83 north (Somers Rd.) – Somers Eastern terminus of concurrency with CT 83
17.77 28.60 Route 30 (Stafford Rd.) – West Stafford, Tolland
Stafford 22.50 36.21 Route 32 / Route 190 – Willington, Union, Somers, Monson, MA
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


Route map: Google / Bing