 Route 10 | ||||
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 Map of Connecticut with Route 10 highlighted in red | ||||
| Route information | ||||
| Maintained byCTDOT | ||||
| Length | 54.28 mi[1] (87.36 km) | |||
| Existed | 1922–present | |||
| Major junctions | ||||
| South end |  I-95 inNew Haven | |||
| Major intersections |  US 1 in New Haven I-691 inCheshire I-84 inSouthington US 6 inFarmington  US 44 /US 202 inAvon | |||
| North end |  US 202 /Route 10 at theMassachusetts state line | |||
| Location | ||||
| Country | United States | |||
| State | Connecticut | |||
| Counties | New Haven,Hartford | |||
| Highway system | ||||
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Connecticut Route 10 is astate highway that runs fromInterstate 95 (I-95) inNew HavenMassachusetts state line, where it continues asMassachusetts Route 10, which in turn continues directly toNew Hampshire Route 10.
Route 10 was originally commissioned in 1922 asNew England Route 10, connectingOld Saybrook toGranby. In the 1927, the New England system of route numbers was disbanded, and the route was added to thestate route system. In the 1930s, it was realigned to connect New Haven and Granby through Connecticut. It is co-signed withUS 202 starting inAvon and continuing north to the state line.
Route 10 begins at a diamond interchange withInterstate 95 (I-95) as Ella T. Grasso Boulevard inThe Hill neighborhood in the city ofNew Haven,New Haven County. Ella T. Grasso Boulevard continues west as a four-lane undivided, municipally-maintained street to a T junction with Kimberly Avenue, just west of the I-95 interchange and east of theWest River.
Route 10 then heads northwest through mixed areas of development, parallel to the river on the east. The route crosses overMetro-North Railroad'sNew Haven Line, which also carriesAmtrak trains on theNortheast Corridor, before reaching a four-way intersection withU.S. Route 1 to the southwest ofEvergreen Cemetery.
Past US 1, Route 10 enters theWest River neighborhood, where it intersectsRoute 34,[2] which connects westwards with theYale Bowl and eventuallyDerby. The route turns northeast, narrows to two lanes and comes into the residentialEdgewood Park Historic District after crossing Chapel Street. A short distance later, Route 10 turns left (northwest) again on Whalley Avenue, which is city-maintained, to the east towards theYale University campus, while Ella. T Grasso Boulevard (still municipally maintained) continues northeast into theBeaver Hills neighborhood. The route widens to four lanes until it reaches its intersection with the southern terminus ofRoute 63. Route 63 continues northwest and takes the Whalley Avenue name, while Route 10 turns northeast onto the undivided, two-lane Fitch Street. On Fitch Street, the route passes through more residential areas and the campus ofSouthern Connecticut State University, where it briefly divides into four lanes.
After leaving the university, Route 10 enters the town ofHamden before turning right (east) onto Arch Street, which continues west as a town-maintained street to Pine Rock Avenue. Shortly afterward, the route turns left and north-northeast onto Dixwell Avenue, which continues south back towards New Haven. Route 10 becomes a four-lane undivided road through a mix of residential and commercial areas, running to the west ofLake Whitney, before it crosses theMill River and reaches another interchange withRoute 15, theWilbur Cross Parkway. From the parkway, the route parallels the river to the west, passes between several shopping centers, prior to briefly gaining a median to accommodate a gas station and passing under the right-of-way of theFarmington Canal, then reaching its four-way intersection with Whitney Avenue. Here, Route 10 turns north onto Whitney Avenue, which continues south towards New Haven, while Dixwell Avenue continues east toUS 5 in the town ofNorth Haven. The route passes through the center of Hamden, prior to intersecting the western end of theRoute 40 freeway, which provides access toI-91; a flyover ramp exists from southbound Route 10 to eastbound Route 40. Past Route 40, Route 10 immediately intersects the western terminus ofRoute 22, which heads east towards North Haven, prior to passing near the campuses ofQuinnipiac University andSleeping Giant State Park in theMount Carmel neighborhood. At this point, Route 10 reduces to two lanes and begins to parallel the Farmington Canal to the east, before it leaves Hamden and becomes South Main Street of the town ofCheshire.
In Cheshire, the route passes residential areas, before reaching commercial areas near the center of town, intersecting the east end ofRoute 42, as well as passing east ofCheshire High School. At the center of Cheshire, Route 10 has a brief concurrency withRoute 68/Route 70 to the west of theCheshire Academy; Route 68 heads east towards the town ofWallingford and west towards the town ofProspect, while Route 70 leads east towards the city ofMeriden and west towards the city ofWaterbury, the latter via a connection withI-84. Past the triplex, the route's name changes to Highland Avenue and passes to the east of theCheshire Correctional Institution, before it reaches an interchange with theI-691 freeway, which provides access to I-91 eastbound in Meriden, and I-84 westbound. Shorty past I-691, Route 10 passes to the west of a park-and-ride lot, prior to coming to an oblique junction withRoute 322, with a bridge over that highway; access from northbound Route 10 to eastbound Route 322 and from westbound Route 322 to southbound Route 10 is via Old Turnpike Road. At this junction, the route comes into both the town ofSouthington andHartford County as Cheshire Road, and shortly afterward becomes Norton Street in theMilldale neighborhood. Route 10 crosses theQuinnipiac River, and passes east of another park and ride lot, to the south of its intersection with connector ramps to and from the eastbound direction of the I-84 freeway, before becoming the southern leg of North Main Street of Southington.
The route heads into the center of the neighborhood ofPlantsville, where it insects the western leg of North Main Street that provides full access to I-84, and it also turns northeast onto the mainline North Main Street. Route 10 turns north again at its northern intersection with Old Turnpike Road, before intersecting the northern terminus ofRoute 120, which provides access toRoute 364 in Southington Center. The route also passes through the Southington Campus of theBranford Hall Career Institute, prior to becoming Queen Street at the Flanders Street intersection. From here, Route 10 heads through a commercial zone, expands to four lanes, and comes to a partial cloverleaf interchange with I-84, before it narrows back to two lanes after its intersection with West Queen Street. The route enters the town ofPlainville as it intersects the southern terminus ofRoute 177, where its name also changes to East Street. In Plainville, Route 10 heads through a mix of residential and commercial areas, before it crosses the Highland Division of the formerNew York, New Haven, and Hartford Railroad at a grade crossing, and shortly afterward,Route 372 at an oblique intersection; eastbound Route 372 provides access to both the I-84 and the eastbound direction of theRoute 72 freeway. Past Route 372, the route passes under Route 72 without an interchange, and continues through a residential neighborhood as Farmington Avenue. Route 10 heads back into areas of businesses as it leaves Plainville and becomes the Main Street of the town ofFarmington. The route comes into wooded areas, prior to reaching another oblique, grade-separated junction withUS 6, in which Scott Swamp Road provides the access not provided by the ramp from northbound Route 10 to eastbound US 6.
From US 6, Route 10 continues into the areas of historic Farmington Center, before intersecting and crossingRoute 4, providing access to I-84 eastbound and the town ofUnionville westbound. After the Route 4 intersection, the route begins to parallel theFarmington River on the west and its name changes to Waterville Road, as it passes through a country club and more wooded areas of residences. Around its intersection with Talcott Notch Road, Route 10 enters the town ofAvon, continuing through large-lotted residential zones, before meeting its southern/eastern junction withUS 44 in the village of Alsop Corner; US 44 continues eastbound towards the town ofWest Hartford. The northbound state route joins a duplexed concurrency with westbound US 44, along the Main Street of Avon that crosses the Farmington River, before reaching the northern/western junction with US 44 and the southern junction withUS 202 in Avon Center; US 44/US 202 continues west along their own duplexed-concurrency toward the towns ofCanton, where westbound US 202 splits, andWinsted. Meanwhile, northbound Route 10 turns north again and forms another duplexed concurrency with northbound US 202 along the Avon Veterans Memorial Highway, and heads through mix of residences and business parks, before becoming Hopmeadow Street upon coming into the town ofSimsbury. In the village ofWeatogue, the routes meets the west end ofRoute 185, which heads east towards the town ofBloomfield, and east of Simsbury Center, intersects the northern end ofRoute 167 that provides access toRoute 309.
US 202/Route 10 continues through the historic residential and commercial areas of the center of Simsbury, before intersecting the western terminus ofRoute 315, which leads northeast toward the village ofTariffville. The two routes head into wooded residential zones and enter the town ofGranby as Veteran's Highway, before becoming Salmon Brook Street. In the center of Granby, US 202/Route 10 are briefly triplexed with northboundRoute 189, up to theRoute 20 intersection, where northbound Route 189 becomes duplexed with westbound Route 20, and heads northwest towards the village ofNorth Granby. The routes continue through more areas of forests and residences, with some businesses around, until Connecticut Route 10 ends at theMassachusetts state line andUS 202 continues north, into the town ofSouthwick,Hampden County. A continuation of Connecticut Route 10,Massachusetts Route 10, begins at the state line duplexed with US 202, and crosses Massachusetts, which in turn continues intoNew Hampshire asNew Hampshire Route 10, as part of the legacy of 1922-designated multi-stateNew England Route 10.
The Southington section of Route 10 was dedicated on Aug. 6, 1960 (and rededicated on Oct. 6, 2007) as the Louis G. Tolles Memorial Highway in honor of the late Southington native and leader of the Connecticut State Grange (1885–1956).
Route 10 originally followed a different route south ofGranby, Connecticut, starting in the town ofOld Saybrook[3] instead of at its current New Haven terminus. It moved to its current alignment along the Connecticut section of the College Highway in 1932, with the former alignment becoming the originalRoute 9. The original routing is now Routes154,99, and189. During the 1960s Connecticut planned on building an expressway along the Route 10 corridor, but the only part of this plan actually constructed wasRoute 40 in the Mount Carmel area ofHamden, as well as several exit ramps connecting Route 10 toI-84 southwest of Hartford.
| County | Location | mi | km | Destinations | Notes |
|---|---|---|---|---|---|
| New Haven | New Haven | 0.00 | 0.00 | I-95 / Kimberly Avenue (SR 745) –New London,New York City | Southern terminus; exit 44 on I-95 |
| 0.27 | 0.43 | Kimberly Avenue (SR 745 south) | |||
| 1.29 | 2.08 | US 1 (Boston Post Road / Columbus Avenue) | |||
| 1.88 | 3.03 | Legion Avenue –Downtown New Haven | FormerRoute 34 | ||
| 2.20 | 3.54 |   Route 34 west (Derby Avenue) –Derby | Eastern terminus of Route 34 | ||
| 3.42 | 5.50 |   Route 63 north (Whalley Avenue) | Southern terminus of Route 63 | ||
| Hamden | 7.03 | 11.31 |  Route 15 (Wilbur Cross Parkway) –Hartford,New York City | Exit 50 on Wilbur Cross Parkway | |
| 8.59 | 13.82 |   Whitney Avenue (SR 707 south) / Dixwell Avenue (SR 717 east) toI-91 | |||
| 10.05 | 16.17 |   Route 40 south toI-91 –Hartford,New Haven | Northern terminus of Route 40 | ||
| 10.27 | 16.53 |   Route 22 east –North Haven | Western terminus of Route 22 | ||
| Cheshire | 15.77 | 25.38 |  Route 42 west (North Brooksvale Road) | Eastern terminus of Route 42 | |
| 16.94 | 27.26 |   Route 68 east /Route 70 east –Meriden,Wallingford | Southern end of Route 68/Route 70 concurrency | ||
| 17.09 | 27.50 | Route 68 west /Route 70 west –Prospect,Waterbury | Northern end of Route 68/Route 70 concurrency | ||
| 20.99 | 33.78 | I-691 –Meriden,Waterbury | Exit 7 on I-691 | ||
| Hartford | Southington | 21.55 | 34.68 |  Route 322 –Marion,Wolcott | Interchange |
| 22.05 | 35.49 | Clark Street (SR 509 south) | |||
| 22.25 | 35.81 |  ToI-84 east –Hartford | Access viaSR 597 | ||
| 23.25 | 37.42 | ToI-84 –Hartford,Waterbury | Access via West Main Street | ||
| 24.28 | 39.07 |    Route 120 south (Meriden Avenue) toRoute 364 east | Northern terminus of Route 120 | ||
| 26.75 | 43.05 | I-84 –Hartford,Waterbury | Exit 46 on I-84 | ||
| Plainville | 28.09 | 45.21 |  Route 177 north (Town Line Road) | Southern terminus of Route 177 | |
| 29.82 | 47.99 |   Route 372 toI-84 /Route 72 east –New Britain,Plainville Business District | |||
| Farmington | 32.01 | 51.52 | ToUS 6 –Bristol,Plymouth,Hartford | Access viaSR 552 | |
| US 6 east –Hartford | Interchange; northbound exit only | ||||
| 33.85 | 54.48 |  Route 4 toI-84 (US 6 east) –West Hartford,Hartford,Unionville | |||
| Avon | 39.42 | 63.44 | US 44 east –West Hartford,Hartford | Southern end of US 44 concurrency | |
| 40.16 | 64.63 | US 44 west /US 202 west –Canton,Winsted | Northern end of US 44 concurrency; southern end of US 202 concurrency | ||
| Simsbury | 42.99 | 69.19 |  Route 185 east –Bloomfield | Western terminus of Route 185 | |
| 44.75 | 72.02 |   Route 167 south toRoute 309 west –West Simsbury | Northern terminus of Route 167 | ||
| 46.81 | 75.33 |  Route 315 east –Tariffville | Western terminus of Route 315 | ||
| Granby | 50.84 | 81.82 |  Route 189 south –Bloomfield | Southern end of Route 189 concurrency | |
| 50.92 | 81.95 |  Route 20 /Route 189 north –North Granby,East Granby | Northern end of Route 189 concurrency | ||
| 54.28 | 87.36 | US 202 north /Route 10 north –Westfield,Holyoke,Northampton | Continuation intoMassachusetts; northern end of US 202 concurrency | ||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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Media related toConnecticut Route 10 at Wikimedia Commons
