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U.S. Route 5
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U.S. Route 5 marker
U.S. Route 5
Map
US 5 highlighted in red
Route information
Length300.338 mi[1][2][3] (483.347 km)
Existed1926[citation needed]–present
Major junctions
South end I-91 in New Haven, CT
Major intersections
North end R-143 at the Canada–US border in Derby Line, VT
Location
CountryUnited States
StatesConnecticut, Massachusetts, Vermont
Highway system
← US 4US→ US 6
← Route 4CT→ US 6
← Route 4MA→ US 6
← VT 4AVT→ VT 5A
← NH 4ANH→ NH 9
← Route 1AN.E.→ Route 2A

U.S. Route 5 (US 5) is a north–south United States Numbered Highway running through the New England states of Connecticut, Massachusetts, and Vermont. Significant cities along the route include New Haven, Connecticut; Hartford, Connecticut; and Springfield, Massachusetts. From Hartford northward to St. Johnsbury, Vermont, the road closely follows the route of the Connecticut River.

The entire route of US 5 is closely paralleled by Interstate 91 (I-91). US 5 now serves as the local business route and alternate route for the Interstate Highway. The northern terminus of US 5 is in Derby Line, Vermont, at the Canada–United States border, where it continues past the Derby Line–Stanstead Border Crossing into Quebec as Route 143, which was Route 5 until renumbered in the mid-1970s. Its southern terminus is in New Haven, Connecticut, at an intersection with I-91.[4]

Route description

[edit]
Lengths
  mi[1][2][3] km
CT 54.59 87.85
MA 53.432 85.990
VT 192.316 309.503
Total 300.338 483.347

US 5 runs through three states: Connecticut, Massachusetts, and Vermont, with the latter containing over half of US 5's total distance. Throughout nearly all of US 5's entire length, it remains its own road entirely separate from I-91, which has largely replaced it as a through route (and now carries most of the traffic). It is only cosigned onto I-91 for less than half of a mile (0.80 km) in Springfield, Massachusetts, before splitting off alone again.

Connecticut

[edit]
Main article: U.S. Route 5 in Connecticut

US 5 begins in the city of New Haven, heading north through Hartford to Massachusetts. It generally parallels I-91. From Meriden northward through Wethersfield, it runs concurrent with Route 15 and is known locally as the Berlin Turnpike. Much commerce is located there resulting in high traffic.[citation needed] The Berlin Turnpike leaves the roadway south of the Hartford city line.

After an interchange in Hartford with I-91, US 5/Route 15 travels over the Charter Oak Bridge, which spans the Connecticut River, into East Hartford. US 5 then splits off to head toward downtown East Hartford. It then has a short overlap with US 44, which joins it from the west as Connecticut Boulevard. US 44 continues to the east along Burnside Avenue as US 5 continues northward into South Windsor, East Windsor, and Enfield. It leaves the state soon after a junction with I-91, heading into Longmeadow, Massachusetts (a part of the Springfield metropolitan area).

Massachusetts

[edit]
Main article: U.S. Route 5 in Massachusetts

US 5 stays very close to the Connecticut River. It enters the state at the town of Longmeadow on the east bank of the river going up to Springfield. In Springfield, US 5 then overlaps with I-91 for about 0.5 miles (0.8 km), then separates as its own freeway crossing the Connecticut River on the South End Bridge into Agawam. The freeway portion runs for about 3.3 miles (5.3 km) up to West Springfield. From the town of Northampton up to Bernardston, US 5 overlaps Route 10 (for 26 miles [42 km]). US 5 also passes through Holyoke, Hatfield, Whately, Deerfield, and Greenfield. As in Connecticut, US 5 has many interchanges with the parallel I-91.

Vermont

[edit]
Main article: U.S. Route 5 in Vermont
US 5 in Newport, Vermont, at the junction of Vermont Route 191 heading toward I-91.

US 5 follows the Connecticut River valley from the southern border of Vermont, traveling along the west bank of that river until it reaches St. Johnsbury.

US 5 enters the state at the town of Guilford. It passes through the counties of (from south to north) Windham, Windsor, Orange, Caledonia, and Orleans. Near the town of St. Johnsbury, US 5 continues northward, following the Passumpsic River valley until it reaches Sheffield Heights. After crossing the heights, it follows the Barton River valley until it reaches Orleans. It then turns north-northwest and crosses the divide near the Airport Road in Irasburg and follows the Black River valley into Newport. US 5 ends at the Canada–United States border in the village of Derby Line, where the roadway continues into Canada as Route 143.

As in Connecticut and Massachusetts, US 5 has many interchanges with I-91, with a total of 22 junctions over its 192-mile (309 km) length in the state.

History

[edit]

Prior to the U.S. Numbered Highway System, the route was designated as Route 2 of the New England road marking system that existed between 1922 and 1927. When US 5 was first commissioned, it took over the entirety of Route 2. In 1927, US 5 had still not been paved in Vermont. Paving in Vermont was completed by 1933.

Connecticut

[edit]
Main article: U.S. Route 5 in Connecticut § History

Originally, the route began at the New Haven Green in downtown New Haven (at US 1). Between New Haven and North Haven, it originally ran east of the Quinnipiac River along modern-day Middletown Avenue (part of Route 17) and Route 103 (the modern alignment was then designated as US 5A).

In Hartford, US 5 passed by Central Row in the downtown area, entering the city via Maple Avenue and exiting on the Bulkeley Bridge with US 6.

The southern terminus of US 5 has been realigned several times. By 1938, US 5 bypassed downtown New Haven via the Prospect Hill, Dixwell, and West River neighborhoods, ending at Davenport and Columbus Avenues.[5] In the mid-1950s, US 5 was instead routed through the Mill River neighborhood ending at East Street and Forbes Avenue.[6] The modern New Haven to North Haven designation was also in place around this time. When I-91 opened in 1967, the alignment was truncated to its current terminus at exit 5 of I-91.

Massachusetts

[edit]
Main article: U.S. Route 5 in Massachusetts § History
Northbound in Longmeadow, Massachusetts

The Massachusetts Highway Commission noted in 1912 that between Longmeadow and Agawam, the traffic between the Pioneer Valley and Connecticut was heavier on the east side.[7]

The western route from Hartford to West Springfield, via what is now River Road in Agawam[8] and Route 159 in Connecticut, was designated US 5 Alternate.[9]

The main route, US 5, was originally designated to run on the east side of the river from Hartford into downtown Springfield, over the Memorial Bridge, along Memorial Avenue, up a four-lane Main Street, and then to Park Street (and Park Avenue going in the opposite direction), and up what is now Elm Street, to Riverdale Street. Riverdale Street at that time followed the northern part of the current Elm Street and ended at Witch Path.

In 1938, due to congestion in the West Springfield town center, US 5 was moved to a newly constructed bypass from the North End Bridge to East Elm Street, where it continued north along the modern Elm Street and Riverdale Road.[10]

In 1941–1942, a four-lane highway was built from East Elm Street to the current Elm Street fork just south of Morgan Road. The designations of both Riverdale Road and US 5 were moved to the new more easterly route.[11]

In 1952–1953, construction was started on the modern four-lane highway from the new South End Bridge in Agawam to the existing bypass at the North End Bridge. Tunnels were built under the rotaries at the Memorial and North End bridges so US 5 traffic and local traffic would not intersect. In 1971, the Riverdale Road portion of US 5 was upgraded to a divided highway, with the installation of a steel median, and in 1987–1988, a new lane was added to accommodate the new Riverdale Shops at Daggett Drive.[11]

The 1953 Massachusetts Department of Public Works Master Plan would have relocated US 5 between Morgan Road in West Springfield and Mount Tom in Holyoke to a right-of-way similar to the current path of I-91, but this was never implemented.[12]

Vermont

[edit]
Main article: U.S. Route 5 in Vermont § History

US 5 in Vermont mostly followed the Route 2 alignment when it was first designated. Minor deviations from the current route are found in the urban compacts of White River Junction, Burke, Coventry, and Derby Center.

From 1927 to 1929, US 5 was temporarily routed into New Hampshire along part of what is now New Hampshire Route 12 between North Walpole and Charlestown.[citation needed] The US 5 designation was removed when the road opposite the Connecticut River in Vermont had been improved.[citation needed] In 1931, US 5 in Vermont was taken over by the state, which began paving the road. Over the years a few minor reroutings within populated centers have taken place. The current alignment was in place by 1975.

Major intersections

[edit]
Connecticut
I-91 in New Haven
I-91 in North Haven
I-91 in North Haven
I-691 in Meriden
I-91 in Hartford
I-84 / US 6 in East Hartford
US 44 in East Hartford. The highways travel concurrently through the city.
I-291 in South Windsor
I-91 in East Windsor
I-91 in Enfield
I-91 in Enfield
Massachusetts
I-91 in Springfield. The highways travel concurrently through the city.
US 20 in West Springfield
I-91 in West Springfield
I-90 / I-91 in West Springfield
US 202 in Holyoke
I-91 in Northampton
I-91 in Northampton
I-91 in Northampton
I-91 in Hatfield
I-91 in Whately
I-91 in Whately
Vermont
I-91 in Brattleboro
I-91 in Dummerston
I-91 southeast of Springfield
I-91 in Hartland
I-91 in Hartford
US 4 in White River Junction. The highways travel concurrently through the city.
I-91 in Norwich
US 302 in Newbury. The highways travel concurrently through the city.
I-91 in St. Johnsbury
US 2 in St. Johnsbury. The highways travel concurrently for one block.
I-91 in Lyndon
I-91 in Orleans
I-91 in Derby
R-143 at the Canada–United States border in Derby Line

[13]

Special routes

[edit]
Main article: Special routes of U.S. Route 5

See also

[edit]

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

U.S. Route 5

View on Grokipedia
from Grokipedia
U.S. Route 5 (US 5) is a north–south United States Numbered Highway spanning approximately 300 miles (483 km) through the New England states of Connecticut, Massachusetts, and Vermont, from its southern terminus at State Street in New Haven, Connecticut, to its northern terminus at the Canada–United States border in Derby Line, Vermont. Established in 1926 as part of the initial U.S. Numbered Highway System approved by the American Association of State Highway Officials (now AASHTO), US 5 primarily serves local and regional traffic, paralleling the Connecticut River and Interstate 91 (I-91) for much of its length. In Connecticut, the 54.59-mile (87.85 km) segment begins in urban New Haven and heads north through Meriden, Hartford, and Enfield, featuring divided highway sections like the Berlin Turnpike shared with Route 15. The route crosses into Massachusetts for about 53 miles (86 km), passing through Springfield, Holyoke, Northampton, and Greenfield, where it briefly overlaps with Massachusetts Route 10. In Vermont, US 5 covers its longest stretch of 192 miles (309 km), traversing rural areas and towns such as Brattleboro, White River Junction, St. Johnsbury, and Newport, while offering scenic views of the Connecticut River Valley and serving as a key corridor for agriculture and tourism. Overall, the highway connects major urban centers with picturesque countryside, though much long-distance travel has shifted to the faster I-91 since its completion in the 1960s and 1970s.

Route description

Connecticut

U.S. Route 5 in spans 54.59 miles (87.85 km) from its southern terminus at State Street in New Haven to the Massachusetts state line in Enfield. The highway parallels along the eastern bank of the , serving as a surface-level alternative for local traffic through urban, suburban, and semi-rural areas in New Haven and counties. It traverses the New Haven and metropolitan regions, connecting key communities while accommodating commercial and residential development, with sections classified as principal arterials by the state. The route begins on State Street in New Haven and proceeds north through Hamden as Dixwell Avenue, a two-lane urban arterial with signalized intersections and pedestrian access. It enters North Haven, continuing as State Street before becoming North Colony Road, which leads into Wallingford. In Wallingford, US 5 features a grade-separated interchange with Route 68 (Christian Street), reducing congestion at this busy junction. Northward, the highway reaches Meriden, where it shifts to Broad Street and joins the Berlin Turnpike (a four-lane divided boulevard concurrent with Route 15), passing industrial zones and retail centers. This turnpike segment extends through Cromwell, characterized by high commercial density and average travel speeds of 30-40 mph during peak hours. In Wethersfield, US 5 overlaps the Wilbur Cross Highway (Route 15 freeway) briefly before diverging south of to surface roads like Silas Deane Highway. It crosses into , then enters East Hartford as , intersecting Interstate 84 (exits 50-51) and Interstate 384 near the Founders Bridge over the . North of East Hartford, the route follows John Fitch Boulevard through South Windsor and , a mix of two- and four-lane sections with turn lanes at major commercial accesses. In East Windsor, it becomes South , widening to four lanes near key retail sites like , with signalized crossings at roads such as Thompson Road. The highway concludes in Enfield as King Street (also Route 159), interchanging with (exit 49W) before reaching the state line opposite . Throughout its length, US 5 includes multiple junctions with (over 10 interchanges total) and supports bike/pedestrian facilities in select areas, though sidewalks are limited outside urban cores.

Massachusetts

U.S. Route 5 traverses 53.43 miles (86.01 km) through western , entering from and exiting into while closely paralleling the and (I-91). The highway serves as a primary local road through the , passing through Hampden, , and Franklin counties and connecting key urban centers including Springfield, Holyoke, , and Greenfield. Unlike the limited-access I-91, which bypasses most communities, US 5 functions as an at-grade arterial with frequent intersections, traffic signals, and commercial development along its path. The route begins at the Connecticut state line south of Longmeadow, where it continues from , as Longmeadow Street, a two-lane residential road winding north through suburban neighborhoods. In Longmeadow, US 5 remains a local street with access to parks and schools before crossing into East Longmeadow, intersecting Massachusetts Route 83 (Maple Street) at a signalized junction that provides eastbound access to Springfield's downtown. Northbound, it proceeds as North Main Street, transitioning from residential to mixed-use areas with retail outlets and passing under I-91 before reaching the southern boundary of Springfield. Within Springfield in Hampden County, US 5 shifts to an urban environment, following Birnie Avenue and then Maple Street eastward to the . It crosses the river on the South End Bridge, a four-lane structure linking to West Springfield, where the route becomes Riverdale Street, a major commercial boulevard lined with businesses, hotels, and restaurants. This segment includes key intersections with US 20 (Westfield Street) at a rotary and I-91 at Exit 13A/B, facilitating heavy local traffic and truck access to the city's industrial zones. Riverdale Street continues north through West Springfield's dense commercial strips before approaching the Holyoke line. Entering Holyoke in Hampshire County, US 5 follows Northampton Street, a busy four-lane road passing through the city's historic downtown and industrial districts, including proximity to the Holyoke Canal and Dam. It intersects (Northampton Street) near the Holyoke Transportation Center and provides access to Mount Tom State Reservation via side roads. North of downtown, the route briefly enters South Hadley before returning to Holyoke and ascending slightly through mixed residential and light industrial zones, crossing I-91 at Exit 16. The highway then parallels the river northward, offering glimpses of the surrounding hills and farmland. From Holyoke, US 5 proceeds to as Pleasant Street and then North Main Street, serving as the city's principal north-south corridor through its vibrant downtown area with shops, colleges, and cultural sites. It meets Massachusetts Route 9 () at a major signalized intersection and intersects Route 66 (North King Street) east of downtown. North of Northampton, US 5 joins Massachusetts Route 10 in a concurrency, heading through the rural town of Hatfield along River Road, which hugs the River's west bank amid agricultural fields and wetlands. The overlap continues into South Deerfield, where the route is resurfaced periodically to handle seasonal traffic, intersecting Route 116 near the headquarters. The US 5/Route 10 concurrency persists for approximately 26 miles (42 km) into Franklin County, passing through Greenfield as Eisenhower Avenue, King Street, and Federal Street, a commercial stretch intersecting US 5's eastern parallel, Route 2, at a . In Greenfield, the route supports local commerce and access to historic sites before continuing to Deerfield and Bernardston. At Bernardston, US 5 splits from Route 10, following Bernardston-West Dummerston Road northward through wooded and rural terrain, crossing under I-91 at Exit 28B. The highway concludes its Massachusetts segment at the Vermont state line north of Bernardston, entering , after traversing a total of three counties and providing essential connectivity for regional travel and commerce along the river valley.

Vermont

U.S. Route 5 enters from in the town of Guilford, marking the beginning of its 192.317-mile (309.504 km) journey through the state's eastern border region along the valley. The highway runs parallel to for most of its length, serving primarily as a local road connecting rural communities and scenic areas while providing an alternative to the faster interstate. In southern , through Windham County, US 5 passes through Brattleboro, where it intersects Vermont Route 9 and provides access via I-91 exits 1, 3, and a portion of exit 4; it then continues north through Dummerston, , Westminster, and Rockingham (home to Bellows Falls), with additional I-91 connections at exits 5 and 6. This segment features historic villages, covered bridges, and agricultural landscapes, forming part of the Byway recognized for its natural beauty and . Heading north into Windsor County, the route traverses Springfield (intersecting VT 11 at I-91 exit 7), Hartland (exit 9), Windsor, and , reaching White River Junction where it meets and I-89 at I-91 exit 11. This central stretch, spanning about 30 miles, winds through rolling hills and riverfront communities, supporting local traffic to towns like Ascutney and offering views of the ; it includes intersections with VT 131 and VT 14, emphasizing its role in regional connectivity rather than long-distance travel. Beyond Hartford, in Orange County, US 5 proceeds through , Thetford (near VT 113 at I-91 exit 14), Fairlee, (VT 25 at exit 16), and Ryegate (Wells River, intersecting US 302 at exit 17), before entering Caledonia County via Barnet (exit 18) and Waterford to St. Johnsbury, where it crosses US 2 and meets I-93 at I-91 exit 20. These areas highlight Vermont's rural character, with the highway facilitating access to recreational sites along the river and avoiding the steeper terrain to the west. In northern Vermont's Caledonia and Orleans counties, US 5 continues its northward path from St. Johnsbury through Lyndon (access at I-91 exit 23 near Lyndonville), , and Barton (near VT 16 at exit 25), intersecting VT 122 and serving the region known for its forests and lakes. The route then passes through the town of (I-91 exit 26) and , looping briefly west toward before reaching the Canadian border at Derby Line (exit 28), where it becomes Route 143. This final 50-mile portion remains closely aligned with I-91, crossing the international boundary at a and providing essential links to communities like Newport, though the highway itself bypasses the city center via local connectors. Overall, US 5 in functions as a scenic, low-speed corridor emphasizing local economies, , and the state's agrarian heritage, with ongoing improvements focused on safety and bicycle accommodations.

History

Connecticut

U.S. Route 5 in follows a path originally improved as the Hartford and New Haven Turnpike, chartered in 1798 and completed in 1801 as a nearly straight connecting the courthouses of New Haven and . This early route became part of the Interstate Route 2 (NE-2) in the early 1920s. US 5 was established on November 11, 1926, by the American Association of State Highway Officials (AASHO), following much of NE-2 from downtown New Haven northward through and Enfield to the state line. Initially, the southern terminus was at Chapel Street in downtown New Haven. In the 1950s, the route was rerouted onto the Berlin Turnpike (formerly concurrent with ), replacing an older alignment. By 1958, the southern end was relocated to its current position on State Street near an interchange with (exit 5), northeast of downtown. The construction of in the 1950s and 1960s paralleled US 5 along the , reducing its role in long-distance travel while preserving it for local access.

Massachusetts

The alignment of U.S. Route 5 in developed in the early along the eastern bank of the , serving as a key north-south corridor through the . Prior to the U.S. Highway System, segments followed local roads and early state routes. US 5 was designated in , extending the route from the state line through Springfield, Holyoke, , and Greenfield to the border, largely overlapping predecessor paths. Major changes occurred in the mid-20th century with the planning and construction of , which began in the 1950s and was completed through by 1969. This limited-access highway closely paralleled US 5, diverting through traffic and leading to upgrades on US 5 for local use. In 1953, minor realignments adjusted connections in Agawam, shifting from U.S. Route 5 to Route 187 in some areas. The Riverdale Street section in West Springfield was upgraded to a divided highway in 1971, with a median barrier installed, and further improved in 1987–1988 with a new alignment to enhance safety and capacity.

Vermont

U.S. Route 5 in Vermont traces its origins to early settler paths along the Connecticut River valley, formalized as Vermont State Route 2 in the 1910s and 1920s. The route was commissioned as US 5 on November 11, 1926, following the entire length of former Route 2 from the Massachusetts state line in Guilford northward to Derby Line at the Canadian border, spanning 192.317 miles (309.504 km). At designation, much of the road remained unpaved, with improvements prioritizing gravel surfacing in the late 1920s and full paving extending into the 1930s. Early changes included a 1931 extension and realignment near the to improve connectivity. In 1933, the route was slightly rerouted in southern for better alignment. The construction of , starting in 1957 and completing its Vermont segments by the early 1980s, ran parallel to US 5 throughout, significantly reducing its traffic volume for long-haul travel. By 1975, US 5 was realigned in several rural areas to its modern path, emphasizing scenic and local access. Ongoing developments since the have focused on safety enhancements, such as bridge replacements (e.g., the 1929 Williams River Bridge in Rockingham) and bicycle accommodations along the Connecticut River Byway.

Auxiliary routes and intersections

Special routes

U.S. Route 5 has featured a limited number of special routes throughout its , primarily in the form of alternate routes designed to provide parallel paths around urban sections or construction zones. These have been concentrated in and , with most now decommissioned or redesignated as state routes. No current special routes are designated in , though historical alignments served similar functions before the completion of , which parallels much of US 5 and absorbed some traffic. In , the most prominent historical special route was U.S. Route 5 Alternate (US 5A), established in the 1930s to offer an alternate crossing of the from northward to the state line near Longmeadow. This approximately 15-mile route followed the west bank of the river through Windsor Locks and Suffield, providing relief from the main US 5 alignment on the east bank. It featured a four-lane divided section in South Windsor that opened on July 4, 1940, addressing capacity issues and curves on the original two-lane road. US 5A was decommissioned in the mid-20th century and redesignated as Connecticut Route 159, which continues to serve local traffic along the river valley.[](Hartford Courant, July 4, 1940) Additional temporary alternates existed in the New Haven area during and due to freeway and realignments. For instance, one alternate followed State Street and Broadway in North Haven and New Haven, while the main US 5 used Maple and Middletown Avenues (now Routes 103 and 17). Another rerouting around downtown New Haven via Edwards, Henry, Sherman, and Davenport Streets occurred in the before integration into local or state routes like Route 80. These were short-term measures to maintain connectivity during upgrades and were eliminated as the Wilbur Cross Parkway (now part of I-91 and Route 15) opened. In Vermont, three active alternate routes are recognized within the state's linear referencing system (LRS) for inventory and maintenance purposes, each providing a short bypass or parallel path around key communities along US 5's northern segment. These are unsigned alternates coded as follows:
CodeLocationDescription
A0051St. JohnsburyAlternate US 5 serving as a local bypass through the town center, connecting to US 2 and I-91; facilitates truck and through traffic avoidance of downtown congestion.
A0052NewportAlternate US 5 routing around the southeast side of the city, paralleling the main route to avoid urban core and support access to Lake Memphremagog.
A0053Derby LineShort alternate (approximately 0.6 miles) providing an option to the Canada–U.S. border crossing, branching from US 5 to connect directly with I-91 and easing border-area navigation.
These alternates, designated with an "A" prefix in Vermont's LRS, total less than 5 miles combined and emphasize local access while US 5 functions primarily as a business route parallel to I-91. They were established to manage traffic in border and commercial hubs without altering the main north-south corridor.

Major intersections

U.S. Route 5 features numerous major intersections with Interstate 91 (I-91), which runs parallel to it for much of its , providing key access points for north-south along the valley. Other significant junctions include connections to I-95, I-84, I-90, and various state routes, supporting regional connectivity in urban and rural areas. These intersections are typically or partial cloverleaf designs where US 5 meets limited-access highways, while at-grade crossings predominate with local and state roads. The route's overlaps with Route 15 in and Route 10 in and also create extended concurrent sections with shared major junctions. The table below lists selected major intersections, focusing on those with interstates, other U.S. routes, and principal state highways that handle high traffic volumes or serve as critical links. Mile markers are approximate and referenced from the southern terminus in New Haven, Connecticut, unless noted by state-specific logs.
StateLocation/TownMile (approx.)Intersecting Route(s)Type/Notes
ConnecticutNew Haven0.00US 1 (Boston Post Road)At-grade; southern terminus of US 5. CTDOT Highway Log
ConnecticutNew Haven2.07I-95 (Pearl Harbor Memorial Bridge)Interchange (Exits 47-48); access to coastal areas. CTDOT Highway Log
ConnecticutWallingford13.96I-91Interchange; multiple access points for central Connecticut travel. CTDOT Highway Log
ConnecticutMeriden/Berlin18.88-34.49CT 15 (Wilbur Cross Parkway)Overlap (16 miles); connects to I-691 and I-91 for regional commuting. CTDOT Highway Log
ConnecticutBerlin26.92CT 9Interchange (Exits 28-31); link to Middletown and shoreline. CTDOT Highway Log
ConnecticutWethersfield/East Hartford35.47I-84Interchange (Exits 50-51); major east-west connector to Hartford. CTDOT Highway Log
ConnecticutEast Hartford38.75I-291Interchange (Exit 24); provides access to Manchester and Bolton. CTDOT Highway Log
ConnecticutEast Hartford38.70-39.06US 44 (Main Street)Short overlap; serves Hartford's east side. CTDOT Highway Log
ConnecticutEnfield49.29I-91Interchange (Exit 49E/W); northern access before state line. CTDOT Highway Log
MassachusettsLongmeadow/West Springfield55.00I-91 (Exit 1 SB)Interchange; southern entry to Springfield area. MassDOT I-91 Exit Renumbering
MassachusettsWest Springfield57.50I-91 (Exit 3) & MA 57Interchange; connects to Agawam and river crossing. MassDOT I-91 Exit Renumbering
MassachusettsSpringfield60.00I-91 (Exit 10A/B)Interchange; urban access in Springfield. MassDOT I-91 Exit Renumbering
MassachusettsWest Springfield61.00I-91 (Exit 11) & I-90 (Mass Pike)Interchange; major link to western Massachusetts and New York. MassDOT I-91 Exit Renumbering
MassachusettsHolyoke65.00I-91 (Exit 18)Interchange; serves Holyoke and paper mill district. MassDOT I-91 Exit Renumbering
MassachusettsNorthampton/Deerfield76.00-102.00MA 10 (overlap ~26 miles)Concurrent routing; connects to Route 2 and Franklin County. MassDOT I-91 Viaduct Study
MassachusettsBernardston108.05I-91 (Exit 28) & MA 10Interchange; northern access near Vermont line. MassDOT I-91 Exit Renumbering
VermontGuilford/Brattleboro108.00I-91 (Exit 1)Interchange; southern entry to Vermont, access to Brattleboro. VTrans Exit Numbering
VermontBrattleboro116.00I-91 (Exit 3) & VT 9Interchange; connects to New Hampshire and central Vermont. VTrans Exit Numbering
VermontRockingham144.00I-91 (Exit 6)Interchange; serves Bellows Falls area. VTrans Exit Numbering
VermontSpringfield152.00I-91 (Exit 7) & VT 11Interchange; link to Claremont, NH. VTrans Exit Numbering
VermontHartland166.00I-91 (Exit 9)Interchange; access to Hartland and Quechee Gorge. VTrans Exit Numbering
VermontHartford/Norwich174.00I-91 (Exit 11)Interchange; serves White River Junction and Dartmouth College area. VTrans Exit Numbering
VermontNorwich176.00I-91 (Exit 13) & VT 10A (Main St)Interchange; connects to Hanover, NH. VTrans Exit Numbering
VermontFairlee/Thetford184.00I-91 (Exit 15) & VT 113Interchange; access to Lake Morey region. VTrans Exit Numbering
VermontBradford189.00I-91 (Exit 16)Interchange; serves Bradford village. VTrans Exit Numbering
VermontWells River199.00I-91 (Exit 17) & US 302Interchange; major east-west link to Littleton, NH. VTrans Exit Numbering
VermontSt. Johnsbury232.00I-91 (Exit 20)Interchange; access to Northeast Kingdom. VTrans Exit Numbering
VermontDerby Line300.00I-91 (Exit 28)Interchange; northern terminus near Canadian border. VTrans Exit Numbering
These intersections handle significant daily , with I-91 connections averaging over 20,000 vehicles per day in urban segments, underscoring US 5's role as a vital parallel corridor for and freight movement. FHWA Highway Data

Modern developments

Traffic and usage

U.S. Route 5 experiences moderate volumes compared to its parallel Interstate 91, serving primarily as a and regional arterial for commuter, commercial, and recreational along the . Annual Average Daily (AADT) varies by state and location, generally ranging from 5,000 to 20,000 vehicles per day, with higher volumes in urban and suburban segments near major interchanges and lower in rural areas. These figures reflect its role as a secondary corridor, diverting from I-91 during peak hours or incidents, while supporting access to riverside communities, businesses, and scenic byways. In , AADT along the 54.59-mile (87.85 km) segment typically falls between 7,700 and 20,000 vehicles per day based on counts, with peaks near East Windsor (up to 20,000 north of Main Street) and South Windsor (12,000–14,000 between I-291 and Chapel Road in 2019). Volumes are influenced by proximity to I-91 exits, where US 5 acts as a congestion bypass; for instance, data shows 12,800 vehicles daily north of I-91 Exit 44 ramps in East Windsor, decreasing northward to 7,700 near Bridge Street. In Wallingford, AADT reaches approximately 12,900 along North and South Colony Streets. Truck traffic constitutes 5–16% of daily volumes, highest south of I-91 due to industrial access. Massachusetts' 53.46-mile (86.04 km) portion of US 5, often concurrent with Route 10 through the , sees AADT of 5,000–15,000 vehicles per day. In Whately, volumes approach 14,000–15,000 along Route 5/10, supporting regional commuting between Holyoke, , and Greenfield. Usage here emphasizes local access to town centers and riverfront areas, with lower long-haul freight compared to I-91, though it handles overflow during viaduct congestion in Springfield. Vermont hosts the longest stretch at 192.317 miles (309.504 km), where 2024 AADT spans 125–23,800 vehicles per day, reflecting diverse from urban hubs to rural byways. Higher volumes occur in suburban areas like (23,824 near Lower Mt. View Drive) and Winooski (21,946 at US 7), driven by commuter flows to Burlington, while rural segments such as Barnet (125) or (433) see minimal traffic. Mid-range figures, around 7,000–14,000, prevail in towns like St. Albans (14,042) and (8,433), with truck percentages at 5–8% focused on wood product transport. As part of the Byway, US 5 supports tourism and local economies, with seasonal increases for leaf-peeping and biking. Overall, US 5's traffic is characterized by bidirectional peaks during morning (7–9 a.m.) and evening (4–6 p.m.) commutes, with day-of-week patterns showing 10–20% higher volumes on weekdays versus weekends. Post-COVID recovery has stabilized volumes near pre-2019 levels, though trends have slightly reduced peak-hour intensity. The route's usage prioritizes reliability over speed, accommodating bicycles, pedestrians, and emergency access in flood-prone areas.

Maintenance and improvements

U.S. Route 5 is maintained by the respective state departments of transportation in , , and , with responsibilities including routine pavement repairs, bridge inspections, and signage updates to ensure compliance with federal and state standards. In , the (CTDOT) oversees maintenance, addressing issues such as narrow lanes and deficient shoulders identified in corridor studies, while coordinating signals through a closed-loop system to minimize delays. Similar duties fall to the (MassDOT) in , which handles pavement rehabilitation and roadside debris removal across districts, and the Vermont Agency of Transportation (VTrans) in , focusing on guardrail compliance and drainage enhancements. Improvements along the route emphasize safety, traffic flow, and multimodal access. In , a 2024 milling and resurfacing project on segments in East Hartford and South Windsor extended pavement life, as well as intersection realignments in Meriden to straighten East Main Street and add new curbs and sidewalks. The U.S. Route 5 Corridor Study in East Windsor proposes access management measures, such as turn lanes and median treatments, to reduce crashes at high-risk areas like the I-91 Exit 44 interchange, where 205 incidents occurred between 2015 and 2017. Pedestrian enhancements in Wallingford aim to improve connectivity with new sidewalks and crosswalks. In , MassDOT has rehabilitated concrete pavements in Holyoke and West Springfield by replacing deteriorated sections and adding overlays to handle heavy traffic volumes. A Phase I resurfacing project on Longmeadow Street (Route 5) in Longmeadow includes milling, overlay, minor widening, and upgrades at intersections like Edgewood Avenue for better vehicular and pedestrian accommodations, such as ADA-compliant ramps and shared-use paths, with construction beginning in summer 2025. Bridge replacements near , including at Exit 23 on US Route 5, incorporate roadway and sidewalk improvements to enhance safety and . Vermont's efforts by VTrans include resurfacing projects in , where concrete slabs are removed and repaved with engineered thickness between mile markers 0.000 and 2.810, alongside guardrail replacements and centerline rumble strips to improve safety on high-speed sections. In Brattleboro and , night paving and ditch work address pavement wear, maintaining single-lane traffic during operations. Intersection improvements at US 5/VT 5A/VT 105 in focus on safety and level-of-service enhancements for motorists and pedestrians through signal upgrades and geometric adjustments. Additionally, construction along Route 5 in preserves two-way traffic while expanding pedestrian access. Broader initiatives, such as the Route 5 Bicycle Corridor survey, explore regional enhancements for non-motorized users.

References

  1. https://portal.ct.gov/dot/-/media/dot/policy/hwylog/highwaylog_final.pdf
  2. https://www.usends.com/5.html
  3. https://www.fhwa.dot.gov/infrastructure/numbers.cfm
  4. https://www.kurumi.com/roads/ct/us5.html
  5. https://www.brattleborochamber.org/towns/route-5-connecticut-river-byway/
  6. https://crcogct.gov/wp-content/uploads/2019/01/RT5-Existing-Conditions-Report_Final.pdf
  7. https://eastcoastroads.com/states/ma/state/us5
  8. https://www.interstate-guide.com/i-091/
  9. https://www.mass.gov/event/longmeadow-resurfacing-and-related-work-on-longmeadow-street-route-5-phase-i-05-08-2025
  10. https://www.mass.gov/files/documents/2018/11/28/FinalReportI91_Chapter1.pdf
  11. https://www.mass.gov/doc/massdot-hearing-handout-holyokewest-springfield-071520/download
  12. https://www.mass.gov/event/south-deerfield-proposed-resurfacing-and-related-work-on-routes-5-10-2018-11-13t190000-0500-2018-11-13t210000-0500
  13. https://vtrans.vermont.gov/projects/exit-numbering
  14. https://resources.vtrans.vermont.gov/FactSheet/default.aspx?pin=21V389
  15. http://www.roadandrailpictures.com/hist5ct.htm
  16. https://www.mass.gov/files/documents/2019/08/19/Final%20Report_I-91Viaduct.pdf
  17. https://wiki.aaroads.com/wiki/U.S._Route_5
  18. https://vtrans.vermont.gov/sites/aot/files/documents/planning/route_log/VT%2520Route%2520Log.pdf
  19. http://www.roadandrailpictures.com/hist5vt.htm
  20. https://npgallery.nps.gov/NRHP/GetAsset/NRHP/90001491_text
  21. https://www.kurumi.com/roads/ct/us5a.html
  22. https://vtransmaps.vermont.gov/Maps/Publications/VTrans_Road_Centerline_User_Guide_20181231.pdf
  23. https://portal.ct.gov/dot/-/media/dot/policy/draft-existing-conditions-report_ghms_2021-07-18.pdf
  24. https://frcog.org/wp-content/uploads/2018/07/f-Chapter-5-Transportation.pdf
  25. https://www.wallingford.ct.us/Customer-Content/www/CMS/files/EngPedConnectivityImprovRpt022520.pdf
  26. https://frcog.org/wp-content/uploads/2020/09/2020-RTP-Chapter-5-Road-and-Bridge.pdf
  27. https://vtrans.vermont.gov/sites/aot/files/documents/ROUTELOGAADT2024_reduced.pdf
  28. https://www.trorc.org/wp-content/uploads/2025/02/Appendix-D.pdf
  29. https://hwy.massdot.state.ma.us/projectinfo/Main.asp?ACTION=GISReportByMHDDist&SELECTED_MHD_DIST_ID=5&FILTER_STATUS=&PHASE_STATUS_CODE=0&TIP_STATUS_CODE=All
  30. https://resources.vtrans.vermont.gov/FactSheet/default.aspx?pin=19V442
  31. https://portal.ct.gov/dot/ctdot-construction-advisories/2024/milling-and-resurfacing-project-on-route-5-in-east-hartford-and-south-windsor
  32. https://www.ctinsider.com/recordjournal/article/meriden-broad-street-east-main-intersection-19581997.php
  33. https://crcogct.gov/route-5-east-windsor-corridor-study/
  34. https://hwy.massdot.state.ma.us/projectinfo/projectinfo.asp?num=604209
  35. https://www.northamptonma.gov/1268/Current-Projects
  36. https://vtrans.vermont.gov/road-construction
  37. http://www.nvda.net/files/US%25205_5A_105IntersectionReport.pdf
  38. https://www.hartford-vt.org/3857/Route-5-Sidewalk-Construction
  39. https://www.sierraclub.org/vermont/blog/2023/07/route-5-bicycle-corridor
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