U.S. Route 302

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U.S. Route 302 marker

U.S. Route 302
William Scott Memorial Highway [1]
Roosevelt Trail[2]
Route information
Auxiliary route of US 2
Length: 171 mi (275 km)
Existed: 1935[3] – present
Major junctions
West end: US 2 in Montpelier, VT
East end: I‑295 / US 1 / SR 100 in Portland, ME
Highway system

U.S. Route 302 (US 302) is an east–west spur of U.S. Route 2 in northern New England in the United States. It currently runs 171 miles (275 km) from Montpelier, Vermont, at US 2, to Portland, Maine, at U.S. Route 1. It passes through the states of Vermont, New Hampshire and Maine.

Route description[edit]

  mi[4][5] km
VT 35.746 57.528
NH 79.155 127.388
ME 53.9 86.7
Total 168.801 271.659
U.S. Route 302 in Berlin, Vermont, approximately two miles from the western terminus


US 302 enters Vermont after crossing the Connecticut River at the village of Wells River. The highway crosses US 5 in the center of the village. The next major intersection for US 302 is its intersection with Interstate 91 in Newbury, about 2.7 miles (4.3 km) from the US 5 intersection. US 302 then winds through the rural towns of Ryegate, Groton, Topsham, and Orange, before entering East Barre. In East Barre, its intersection with Vermont Route 110 takes the form of a roundabout. After traveling down out of the hills surrounding the city of Barre, US 302 makes up Washington Street and Main Street of Barre. It runs along the Jail Branch River and the Stevens Branch of the Winooski River in Barre, then through Berlin, finally terminating at its US 2 intersection in southeast Montpelier.

New Hampshire[edit]

U.S. Route 302 enters New Hampshire following the Saco River through Crawford Notch in the White Mountains. The highway follows the Ammonoosuc River out of the mountains and bridges the Connecticut River into Wells River, Vermont.


US 302 is known as the Roosevelt Trail through southern Maine because it was the beginning of the Theodore Roosevelt International Highway to Portland, Oregon.[2][6] The highway leaves Portland, Maine, bridging the Presumpscot River into Westbrook at Riverton. The Roosevelt Trail then bridges the Pleasant River at milepost 13.4 in Windham, the Crooked River in Casco near a boyhood home of Nathaniel Hawthorne, Long Lake near milepost 31 in Naples, Moose Pond near milepost 46 in Bridgton, and the Saco River near milepost 56 in Fryeburg. The highway follows the Saco River from Fryeburg into the White Mountains and enters New Hampshire near milepost 58.[7] It is a two-lane highway for almost all of its length, but there are multi-lane sections within the Portland area, as well as short four-lane sections in and around North Windham (especially the commercial areas). Some of the hilly sections also feature a third passing lane.


Longfellow Square marks the eastern end of U.S. Route 302.

The southern end of US 302 follows city streets from Longfellow Square in the 17th century colonial seaport of Portland, Maine. The highway follows a 19th-century stagecoach road from Portland through Windham to Bridgton. The portion from Windham to Bridgton was built about 1785. Stagecoach service began in 1803, and the route became a post road for the United States Postal Service in 1814. Transportation over this route was augmented by the Cumberland and Oxford Canal from 1832 to 1932, and by the Bridgton and Saco River Railroad from 1883 to 1941.[8] The highway through Crawford Notch follows the Tenth New Hampshire Turnpike built in 1803 and parallels the Maine Central Railroad Mountain Division built in 1877. The highway eliminated railway passenger travel over the route from Portland by 1958, and railroad freight service through Crawford Notch was discontinued in 1983.[9]

New England 18.svg

State Route 18
Location: Conway, NHPortland
Length: 54.18 mi (87.19 km)
Existed: 1926–1935

From 1922 until 1935, much of what is now US 302 was a part of the New England Interstate road system, designated as New England Interstate Route 18 (NE-18) from Portland, Maine, northwest to Littleton, New Hampshire, roughly 112 miles (180 km). From Littleton west to Montpelier in Vermont, US 302 and NE-18 took different paths. NE-18 took a more northerly route, along present-day New Hampshire Route 18 and Vermont Route 18 to St. Johnsbury, Vermont (closely paralleling I-93), then along present-day US 2 up to Montpelier.

Current US 302 runs along a more southerly route using other former sections of New England Interstate Routes. From Littleton, it went along former NE-10 to Woodsville, New Hampshire, then along former NE-25 to Montpelier.

The entire Maine segment of US 302 was formally designated State Route 18, a route that was established in 1926 until being deleted in 1935 by US 302.

Major intersections[edit]


County Location[4] mi[4] km Destinations Notes
Washington Montpelier 0.000 0.000 US 2 – East Montpelier, St. Johnsbury, Montpelier Rotary; western terminus of US 302.
Berlin 1.059 1.704 Berlin State Highway to I‑89 / VT 62 – Berlin Corners
City of Barre 4.376 7.042 VT 14 north
VT 62 west to I‑89
Western end of concurrency with VT 14; eastern terminus of VT 62.
4.833 7.778 VT 14 south to I‑89 south Eastern end of concurrency with VT 14.
Town of Barre 8.639 13.903 VT 110 south – Washington, Chelsea, Granite Quarries Northern terminus of VT 110 at rotary.
Orange Orange 16.041 25.815 VT 25 south – West Topsham, Bradford Northern terminus of VT 25.
Caledonia Groton 23.928 38.508 VT 232 north – Rickers Mills Southern terminus of VT 232.
Orange Town of Newbury 32.472–
I‑91 – Bradford, White River Junction, Barnet, St. Johnsbury Exit 17 on I-91.
35.334 56.865 US 5 north – St. Johnsbury Western terminus of concurrency with US 5.
35.463 57.072 US 5 south – Newbury, Bradford Eastern terminus of concurrency with US 5.
35.746 57.528 US 302 east – Woodsville Continuation into New Hampshire at the Connecticut River
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

New Hampshire[edit]

I-93 in Littleton
I-93 in Bethlehem
US 3 in Carroll


County Location mi km Destinations Notes
Oxford Fryeburg 0.0 0.0 US 302 west / NH 113 west
1.1 1.8 SR 113 north – East Conway NH, Stow Northern terminus of concurrency with SR 113.
1.4 2.3 SR 5 south / SR 113 south – Brownfield Southern terminus of concurrencies with SR 5 and SR 113.
1.8 2.9 SR 5 north – Lovell Northern terminus of concurrency with SR 5.
Cumberland Bridgton 14.9 24.0 SR 93 north – Sweden, Lovell Southern terminus of SR 93.
16.8 27.0 SR 117 north – Norway Northern terminus of concurrency with SR 117.
18.4 29.6 SR 117 south to SR 107 south – South Bridgton, Denmark Southern terminus of concurrency with SR 117.
Naples 24.9 40.1 SR 11 south / SR 114 south – Sebago Lake Southern terminus of concurrency with SR 11.
Northern terminus of SR 114.
25.4 40.9 SR 35 north – Harrison, Waterford Northern terminus of concurrency with SR 35.
26.3 42.3 SR 11 north – Mechanic Falls, Auburn, Lewiston Northern terminus of concurrency with SR 11.
Casco 27.0–
No major intersections.
Raymond 34.0 54.7 SR 121 north – Raymond Village, Casco Southern terminus of SR 121.
34.4 55.4 SR 85 north Southern terminus of SR 85.
Windham 38.8 62.4 SR 35 south – Standish
SR 115 east – Gray
Southern terminus of concurrency with SR 35.
Western terminus of SR 115.
41.7 67.1 US 202 / SR 4 – Gray Rotary.
Westbrook 45.9–
No major intersections.
Portland 50.3 81.0 I‑95 (Maine Turnpike) No access between US 302 and I-95 (Maine Turnpike)
51.6 83.0 SR 100 north – Falmouth, Gray Northern terminus of concurrency with SR 100.
52.9 85.1 SR 9 east Eastern terminus of wrong-way concurrency with SR 9.
53.0 85.3 SR 9 west Western terminus of wrong-way concurrency with SR 9.
53.9 86.7 I‑295 / US 1 – South Portland, Falmouth
SR 77 south
Eastern terminus of US 302.
Southern terminus of SR 100 and concurrency with SR 100.
Northern terminus of SR 77.
Exit 6A and 6B on I-295 / US 1.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  •       Closed/former
  •       Concurrency terminus

See also[edit]

Bannered routes[edit]

Related state highways[edit]


  1. ^ "Vermont Named State Highways and Bridges". Vermont Department of Libraries. Retrieved May 21, 2012.
  2. ^ a b Tracy, A.W. Theodore Roosevelt International Highway (1996) p.7
  3. ^ Droz, Robert V. U.S. Highways : From US 1 to (US 830). URL accessed 27 February 2006.[unreliable source?]
  4. ^ a b c Traffic Research Unit (May 2013). "2012 (Route Log) AADTs for State Highways" (PDF). Policy, Planning and Intermodal Development Division, Vermont Agency of Transportation. Retrieved March 9, 2015. 
  5. ^ Bureau of Planning & Community Assistance (February 20, 2015). "NH Public Roads". Concord, New Hampshire: New Hampshire Department of Transportation. Retrieved April 7, 2015. 
  6. ^ "U.S. 2: Houlton, Maine, to Everett, Washington". United States Department of Transportation Federal Highway Administration. Retrieved 2011-09-05. 
  7. ^ Greaton, Everett F. Maine, a Guide "Down East" (1937) pp.375-381
  8. ^ Jones, Robert C. Two Feet to the Lakes: The Bridgton & Saco River Railroad (1993) ISBN 0-915713-26-8 pp.12-13
  9. ^ Johnson, Ron Maine Central Railroad Mountain Division p.9
Browse numbered routes
VT 289 VT VT 313
I‑293 NH I‑393
I‑295 ME I‑395
Route 17 N.E. Route 19
SR 17 MA Route 18.svgME SR 22