Interstate 91

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Interstate 91 marker

Interstate 91
Route information
Length: 290.37 mi[1] (467.31 km)
Major junctions
South end: I-95 in New Haven, CT
  I-84 in Hartford, CT
I-90 / Mass. Pike near Springfield, MA
I-89 in White River Junction, VT
I-93 near St. Johnsbury, VT
North end: A-55 at the Canadian Border at Derby Line, VT
Highway system

Main route of the Interstate Highway System
Main • Auxiliary • Business

Interstate 91 is an interstate on the East Coast of the United States. It is 290.37 miles (467.31 km) long.[1] Its south end is at New Haven, Connecticut, and its north end is at Derby Line, Vermont; near the Canadian border. The interstate follows the Connecticut River for much of its length.[2]

List of intersections and exits[change | edit source]

Connecticut[change | edit source]

Town Exit # Mile Destinations Notes
New Haven 0.0 I-95.svg I-95 South – To New York City Southbound junction only
1 0.2 Connecticut Highway 34.svg Route 34 – Downtown New Haven Southbound junction only
0.4 I-95.svg I-95 North – To New London Southbound junction only
2 0.6 Hamilton Street The northbound exit is accessible only from the southbound lanes of I-95.
3 1.0 Trumbull Street Yale University
4 1.3 State Street Southbound exit only (via Humphrey Street)
5 1.4 US 5.svg US 5 (State Street) – Fair Haven Northbound exit only
6 1.7 Willow Street to Blatchley Avenue, US 5.svg US 5 (SB)
7 2.1 Ferry Street – Fair Haven Southbound exit and northbound entrance
8 2.8 Connecticut Highway 17.svgConnecticut Highway 80.svg Route 17 (Middletown Avenue), Route 80 – North Branford
North Haven 9 4.8 Montowese Avenue SR 715 to Route 103
10 6.6 Connecticut Highway 40.svg Route 40 – Hamden, Mt. Carmel (SB), Cheshire (NB) Quinnipiac University
11 7.6 Connecticut Highway 22.svg Route 22 – North Haven Northbound and southbound entrance
To US 5
12 8.6 US 5.svg US 5 (Washington Avenue)
Wallingford 13 10.9 US 5.svg US 5 – Wallingford, North Haven SR 702 to Wharton Brook State Park
14 12.3 (NB)
13.2 (SB)
Connecticut Highway 150.svg Route 150 (Woodhouse Avenue) (NB), East Center Street (SB) – Wallingford East Center Street is SR 738 to Route 150
15 16.0 Connecticut Highway 68.svg Route 68 – Yalesville, Durham
Meriden 16 18.7 East Main Street Northbound junction only
17 18.9 (NB)
19.7 (SB)
NB: Connecticut Highway 15.svg Route 15 North (Berlin Turnpike)
To I-691.svgConnecticut Highway 66.svg I-691, Route 66

SB: Connecticut Highway 15.svg Route 15 South (Wilbur Cross Parkway), East Main Street

18 20.1 NB: Connecticut Highway 66.svg Route 66 – Middlefield, Middletown

SB: I-691.svg I-691 – Meriden, Waterbury

19 21.0 Baldwin Avenue, Preston Avenue Southbound exit and northbound entrance
Middletown 20 23.2 Country Club Road, Middle Street
Cromwell 21 25.7 Connecticut Highway 372.svg Route 372 – Cromwell, Berlin
22 27.4 Connecticut Highway 9.svg Route 9 – New Britain, Middletown, Old Saybrook (SB) Split southbound into 22N and 22S
Rocky Hill 23 29.4 West Street to Connecticut Highway 3.svg Route 3 – Rocky Hill SSR 411 to Dinosaur State Park
24 31.7 Connecticut Highway 99.svg Route 99 – Rocky Hill, Wethersfield
Wethersfield 25 33.7 Connecticut Highway 3.svg Route 3 – Glastonbury, Wethersfield (SB), Old Wethersfield (NB) Partial interchange
Split southbound into 25N and 25S
Access to northbound Exit 26
26 34.3 Old Wethersfield Northbound exit must use Exit 25 ramp.
Hartford 27 35.6 Brainard Road to Airport Road – Brainard Airport Northbound and southbound entrance
Airport Road is SR 530
28 35.9 US 5.svgConnecticut Highway 15.svg US 5/Route 15 South (Berlin Turnpike) – Newington, Wethersfield
27 36.5 Airport Road to Brainard Road – Brainard Airport Southbound exit only
Airport Road is SR 530
29 36.8 US 5.svgConnecticut Highway 15.svg US 5/Route 15 North to I-84.svg I-84 East – East Hartford, Boston Northbound junction only
29A 37.6 (NB)
38.0 (SB)
Capitol Area Whitehead Highway
32AB 37.8 A: I-84.svg I-84 West – Waterbury

B: Trumbull Street

Northbound ramps
30 38.4 I-84.svgConnecticut Highway 2.svg I-84 East to Route 2 East – East Hartford, New London Southbound junction only
31 38.4 State Street Southbound junction only
Route 2 West
32AB 38.8 A: I-84.svg I-84 West – Waterbury

B: Trumbull Street

Southbound ramps
33 39.9 Jennings Road
Windsor 34 41.1 Connecticut Highway 159.svg Route 159 (Windsor Avenue) (NB), North Main Street (SB)
35AB 42.2 A: I-291.svg I-291 – Manchester

B: Connecticut Highway 218.svg Route 218 – Windsor, Bloomfield

36 43.5 Connecticut Highway 178.svg Route 178 (Park Avenue) – Bloomfield
37 44.5 Connecticut Highway 305.svg Route 305 (Bloomfield Avenue) – Windsor Center
38 46.0 Connecticut Highway 75.svg Route 75 – Poquonock, Windsor split southbound into 38A and 38B
39 & 41 47.2 Kennedy Road to Center Street Northbound exit and southbound entrance
40 48.2 Connecticut Highway 20.svg Route 20Bradley International Airport
Windsor Locks 39 & 41 48.9 Center Street Southbound exit and northbound entrance
42 49.6 Connecticut Highway 159.svg Route 159 – Windsor Locks
Connecticut River crossing on the Dexter Coffin Bridge
East Windsor 44 50.3 US 5.svg US 5 – East Windsor
45 51.1 Connecticut Highway 140.svg Route 140 – Warehouse Point, Ellington
Enfield 46 52.7 US 5.svg US 5 (King Street)
47EW 55.6 E: Connecticut Highway 190.svg Route 190 East – Hazardville, Somers

W: Connecticut Highway 190.svg Route 190 West – Suffield

48 56.1 Connecticut Highway 220.svg Route 220 (Elm Street) – Thompsonville
49 57.7 US 5.svg US 5 (Enfield Street) – Longmeadow MA
58.00[3] CT-MA state line

Massachusetts[change | edit source]

Town Exit # Mile Destinations Notes
Longmeadow 0.0 CT-MA state line
Springfield 1 3.6 US 5.svg US 5 South – Forest Park, Longmeadow Southbound exit only
US 5 joins northbound and leaves southbound
2 3.9 MA Route 83.svg Route 83 – Forest Park, East Longmeadow northbound exit only
3 4.2 US 5.svg US 5 North To MA Route 57.svg Route 57, Columbus Avenue (NB) – West Springfield (NB), Agawam (SB) US 5 leaves northbound and joins southbound
4 4.6 MA Route 83.svg Route 83, Main Street – East Longmeadow southbound only
5 4.9 Broad Street northbound only
Formerly northbound Exit 4
6 5.3 Springfield Center (NB)
Union Street (SB)
Old Exit 5 merged with Exit 6
7 5.9 Columbus Avenue – Springfield Center southbound only
8 6.6 I-291.svgUS 20.svg I-291/US 20 East to I-90.svg I-90/Mass Pike East
9 7.0 US 20.svgMA Route 20A.svg US 20 West, Route 20A East – West Springfield northbound only
10 7.2 Main Street – Chicopee, North Springfield northbound only
11 7.5 US 20.svg US 20 West, Birnie Avenue – West Springfield southbound only
Chicopee 12 8.3 I-391.svg I-391 – Chicopee, Holyoke Center (NB)
Connecticut River crossing
West Springfield 13 9.2 US 5.svg US 5 (Riverdale Street) – West Springfield split into 13N and 13S
14 11.5 I-90.svg I-90/Mass Pike – Boston, Albany NY
Holyoke 15 12.7 Lower Westfield Road – Ingleside
16 14.5 US 202.svg US 202 – Holyoke, South Hadley, Westfield (SB)
17 15.2 MA Route 141.svg Route 141 – Holyoke Center, Easthampton split into 17A and 17B northbound
Northampton 18 22.8 US 5.svg US 5 – Northampton, Easthampton (SB)
19 24.7 MA Route 9.svg Route 9 – Northampton, Amherst northbound only
20 25.7 US 5.svgMA Route 9.svgMA Route 10.svg US 5, Route 9, Route 10 – Northampton, Hadley southbound only
21 27.3 US 5.svgMA Route 10.svg US 5/Route 10 – Hatfield, Whately (NB)
Hatfield 22 29.8 US 5.svgMA Route 10.svg US 5/Route 10 – Whately, North Hatfield northbound only
Whately 23 33.4 US 5.svgMA Route 10.svg US 5/Route 10 – Whately, North Hatfield southbound only
24 35.0 US 5.svgMA Route 10.svg US 5/Route 10 – Deerfield, Whately (SB)
Deerfield 25 36.2 MA Route 116.svg Route 116 – Deerfield, Conway southbound only
Greenfield 26 42.9 MA Route 2.svgMA Route 2A.svg Route 2 West, Route 2A East – Greenfield Center, North Adams
27 46.1 MA Route 2.svg Route 2 East – Boston
Bernardston 28 50.4 MA Route 10.svg Route 10 – Bernardston, Northfield split into 28A and 28B northbound
54.90[4] MA-VT state line

Vermont[change | edit source]

County Location Mile # Destinations Notes
Windham Guilford 0.0 MA-VT stateline
Brattleboro 7.5 1 US 5.svg US 5 – Brattleboro
8.7 2 Vermont 9.svg VT Route 9 West – Brattleboro, Bennington
11.6 3 US 5.svgVermont 9.svg US 5, VT Route 9 East – Brattleboro, Keene NH
Dummerston 18.2 4 US 5.svg US 5 – Putney
Westminster 28.6 5 US 5.svg US 5 to Vermont 121.svg VT Route 121 – Westminster, Bellows Falls, Walpole NH To NH Route 123.svg NH Route 123
Rockingham 35.2 6 US 5.svgVermont 103.svg US 5, VT Route 103 – Rockingham, Rutland (NB), Bellows Falls (SB)
Windsor Springfield 41.7 7 US 5.svgVermont 11.svgVermont 106.svg US 5, VT Route 11, VT Route 106 – Springfield
Weathersfield 51.4 8 US 5.svgVermont 12.svgVermont 131.svg US 5, VT Route 12, VT Route 131 – Ascutney, Windsor
Hartland 60.4 9 US 5.svgVermont 12.svg US 5, VT Route 12 – Windsor, Hartland
Hartford 69.8 10 I-89.svg I-89 – South: Airport, New Hampshire; North: Barre, Montpelier split into 10S and 10N
70.2 11 US 5.svg US 5 – White River Junction
72.0 12 US 5.svg US 5 – Wilder, White River Junction (SB)
Norwich 74.8 13 US 5.svgVermont 10A.svg US 5, VT Route 10A – Norwich, Hanover NH
Orange Thetford 84.2 14 Vermont 113.svg VT Route 113 To US 5.svg US 5 – Thetford
Fairlee 91.5 15 US 5.svg US 5 – Fairlee, Orford NH
Bradford 97.6 16 Vermont 25.svg VT Route 25 To US 5.svg US 5 – Bradford, Barre (NB)
Newbury 110.3 17 US 302.svg US 302 To US 5.svg US 5 – Wells River, Woodsville NH
Caledonia Barnet 120.4 18 To US 5.svg US 5 – Barnet, Peecham
Waterford 128.2 19 I-93.svg I-93 – Littleton NH
St. Johnsbury 128.9 20 US 5.svg US 5 To US 2.svg US 2 East – St. Johnsbury, Passumpsic (SB)
130.6 21 US 2.svg US 2 To Vermont 15.svg VT Route 15 – St. Johnsbury, Montpelier
132.6 22 To US 5.svg US 5 – St. Johnsbury
Lyndon 137.1 23 US 5.svg US 5 To Vermont 114.svg VT Route 114 – Lyndonville, Burke (NB)
139.9 24 Vermont 122.svg VT Route 122 To Vermont 114.svg VT Route 114 – NB: Wheelock, Sheffield; SB: Burke, Lyndonville, Lyndon Center
Orleans Barton 156.0 25 Vermont 16.svg VT Route 16 – Barton, Hardwick (SB)
161.4 26 US 5.svgVermont 58.svg US 5, VT Route 58 – Orleans, Irasburg
Derby 170.1 27 Vermont 191.svg VT Route 191 To US 5.svgVermont 105.svg US 5, VT Route 105 – Newport
172.4 28 US 5.svgVermont 105.svg US 5, VT Route 105 – Newport, Derby Center
177.4 29 To US 5.svg US 5 – Derby Line
177.43[5] Continues into Quebec as Quebec Autoroute 55.svg Autoroute 55

References[change | edit source]