U.S. Route 1 in Maine

This article is about the section of U.S. Route 1 in Maine. For the entire route, see U.S. Route 1.

U.S. Route 1 marker

U.S. Route 1

Route information

Maintained by MaineDOT

Length:

527 mi^[1]^[2] (848 km)

Existed:

1926 – present

Major junctions

South end:

US 1 in Portsmouth, NH

I-95 in Kittery

I-195 in Saco

I-295 in Portland /Yarmouth

US 302/SR 100 in Portland
Falmouth Spur (I-495) in Falmouth

SR 9 in Calais

US 2 in Houlton

I-95 in Houlton

SR 161 in Caribou

North end:

Route 161 in Clair, NB

Location

Counties:

York, Cumberland, Sagadahoc, Lincoln, Knox, Waldo, Hancock, Washington, Aroostook

Highway system

United States Numbered Highway System

Maine State Highway System

← I‑495		US 1A →
← Route 20	N.E.	Route 25 →

In the U.S. state of Maine, U.S. Route 1 (US 1) is a major north–south state highway serving the eastern part of the state. It parallels the Atlantic Ocean from New Hampshire north through Portland, Brunswick, and Belfast to Calais, and then the St. Croix River and the rest of the Canada–US border via Houlton to Fort Kent. The portion along the ocean, known as the Coastal Route, provides a scenic alternate to Interstate 95.

Route description

Route 1 enters Maine from New Hampshire by bridging the Piscataqua River at Kittery on the Memorial Bridge. However, this bridge was abruptly closed in July 2011 due to structural defects with a new bridge planned to replace it. That new bridge opened in the summer of 2013. Following the sandy southern Maine coast, the highway bridges the Cape Neddick River in Cape Neddick, Josias River and Ogunquit River in Ogunquit, the Webhannet River in Wells, and Merriland River, Mousam River and Kennebunk River in Kennebunk. After bridging the Saco River between Biddeford and Saco the highway bridges the Nonesuch River in Scarborough.

In South Portland, US 1 merges with I-295 at exit 4 and continues north through downtown Portland to Tukey's Bridge, now on I-295, before separating at exit 9. The Charles Loring Highway is part of US 1 in Portland, Maine. Like Loring Air Force Base it is named for Charles J. Loring, Jr..

North of Portland, the highway bridges the Presumpscot River in Falmouth, the Royal River in Yarmouth, and the Cousins River in Freeport before following the Androscoggin River through Brunswick and crossing the Kennebec River on the Sagadahoc Bridge between Bath and Woolwich. The section between Brunswick (at its junction with US 201) and Bath is a four lane freeway, and the route continues as a four lane expressway through most of Bath, then crosses on a two lane viaduct before becoming four lanes again on the bridge over the Kennebec River. It then becomes a three lane road (with center turning lane) through Woolwich and then reverts to two lanes after that as it continues north towards Wiscasset.

The highway bridges the Sheepscot River in Wiscasset, the Damariscotta River in Damariscotta, the Medomak River in Waldoboro, and the Saint George River in Thomaston before reaching Rockland.

In Rockland there is a bypass of downtown (US 1A) which travels along Broadway and Maverick Streets, while US 1 itself has a one way pair with Main Street and Union Street in the downtown Rockland area (Main Street traffic goes north with two lanes, while Union St. traffic is southbound).

The highway follows the coast of Penobscot Bay bridging the Goose River in Rockport, the Ducktrap River in Lincolnville, the Little River in Northport, and the Passagassawakeag River in Belfast before bridging the Penobscot River at Bucksport. The Atlantic coast is less frequently visible as the highway bridges the Orland River in Orland, the Union River in Ellsworth, Sullivan Harbor, the Narraguagus River in Cherryfield, the Harrington River in Harrington, the Pleasant River at Columbia Falls, the Indian River in Addison, and the Chandler River in Jonesboro.

The monument marking the northern terminus in Fort Kent, ME

After bridging the East Machias River and Machias River in Machias the highway turns inland along Passamaquoddy Bay to bridge the Orange River in Whiting, the Dennys River in Dennysville and the Pennamaquan River in Pembroke. The highway then follows the Saint Croix River through Calais and turns inland at Woodland. The interior route bridges Grand Falls Flowage at Princeton, the Meduxnekeag River in Houlton, the North Branch Meduxnekeag River in Monticello, and the Aroostook River in Presque Isle before following the Saint John River upstream from Van Buren to Fort Kent.

From Madawaska to its "northern" terminus at the Clair – Fort Kent Bridge in Fort Kent, US 1 North actually travels geographically south (see 47°18′56″N 68°22′39″W / 47.315552°N 68.37759°W / 47.315552; -68.37759). The route's most northerly geographic point is at its intersection with the Edmundston–Madawaska Bridge in Madawaska, across the Saint John River from Edmundston, New Brunswick, Canada.

History

US 1 south of Calais was initially part of the Atlantic Highway, and became Route 1 when the New England road marking system was established in 1922.^[3] The northward continuation from Calais was later designated as part of Route 24. In the original plan, Route 24 was to run from Brunswick to Moosehead Lake in Greenville. By 1925, however, Maine had transferred the Route 24 designation to a completely new alignment on the eastern edge of the state, running from Calais to Madawaska at a border crossing with Edmundston, New Brunswick.

The initial 1925 plan for the U.S. Highway system took US 1 along the better-quality inland route (then Route 15)^[4] between Bangor and Houlton, and placed US 2 on the coastal route.^[5] This changed in the final 1926 plan, when the inland shortcut — now generally followed by Interstate 95 - became part of US 2.^[6]

The Waldo-Hancock Bridge opened in 1931,^[7] allowing US 1 to bypass Bangor; the old route became US 1A.

The portion between Portland and Brunswick was rebuilt, mainly as a four-lane divided highway, in the 1950s, and later absorbed into I-95 (now I-295). A freeway from Brunswick east to Bath was built in the 1960s.

Major junctions

County	Location	mi	km	Exit	Destinations	Notes
York	Kittery	0.0	0.0		US 1 south – Portsmouth	Continuation into New Hampshire
		0.6	0.97		SR 103 – Eliot, Navy Yard, Kittery Foreside
		1.5	2.4		SR 236 south – Kittery Point	Rotary To I‑95 south (Maine Turnpike) to US 1 Bypass south (northbound only) Southern terminus of concurrency with US 1 Bypass (southbound only)
		1.7	2.7		SR 236 north / US 1 Bypass south – South Berwick, Eliot	Northern terminus of concurrency with SR 236 Southern terminus of concurrency with US 1 Bypass
		1.8	2.9		US 1 Bypass south – New Hampshire, Massachusetts	Northern terminus of US 1 Bypass Northern terminus of concurrency with US 1 Bypass (southbound only) Southbound exit and northbound entrance only.
		2.1	3.4		I‑95 / Maine Turnpike – Portland, Augusta, Portsmouth, Boston	No southbound exit Northbound entrance can only be accessed by US 1 south Exit 3 on I-95 (Maine Turnpike)
		2.4	3.9		SR 101 north – Eliot	Southern terminus of SR 101
	York	5.5	8.9	York River
		6.7	10.8		SR 91 west – The Berwicks	Eastern terminus of SR 91.
		7.1	11.4		US 1A north – York Village, York Harbor, York Beach	Southern terminus of US 1A
		7.4	11.9		To I‑95 (Maine Turnpike)	Exit 7 on I-95 (Maine Turnpike)
		10.6	17.1		US 1A south – York Beach	Northern terminus of US 1A
	Ogunquit	14.2– 16.5	22.9– 26.6	No major intersections.
	Wells	18.2	29.3		SR 9B west – North Berwick, Sanford	Eastern terminus of SR 9B
		20.2	32.5		SR 9 west / SR 109 north to I‑95 (Maine Turnpike) – Sanford	Western terminus of first concurrency with SR 9 Southern terminus of SR 109
		22.1	35.6		SR 9 east – Kennebunk, Kennebunkport	Eastern terminus of first concurrency with SR 9
	Kennebunk	25.0	40.2		SR 9A west / SR 99 west – Sanford	Western terminus of concurrency with SR 9A Eastern terminus of SR 99
	Kennebunk	25.4	40.9		SR 9A east / SR 35 to I‑95 (Maine Turnpike) – Kennebunkport	Eastern terminus of concurrency with SR 9A. Short wrong-way concurrency with SR 35
	Arundel	26.6– 30.9	42.8– 49.7	No major junctions
	Biddeford	31.7	51.0		Biddeford Connector To I‑95 (Maine Turnpike) to SR 111
	Biddeford	32.9	52.9		SR 111 to I‑95 (Maine Turnpike) – Biddeford Pool, Alfred
	Saco	34.8	56.0		SR 5 north / SR 9 north / SR 112	Northern terminus of wrong-way concurrency with SR 5 Southern terminus of SR 112
		35.7	57.5		I‑195 / SR 5 south – Old Orchard Beach	Exit 2A and 2B on I-195. To I‑95 (Maine Turnpike) via I-195 west Southern terminus of wrong-way concurrency with SR 5
		38.3	61.6		SR 98 east – Old Orchard Beach	Western terminus of SR 98
Cumberland	Scarborough	40.5	65.2		SR 9 west – Pine Point, Old Orchard Beach	Western terminus of second concurrency with SR 9
		43.5	70.0		SR 114 north – Gorham SR 207 east – Prouts Neck	Southern terminus of SR 114 Western terminus of SR 207
		44.7	71.9		Scarborough Connector To I‑95 (Maine Turnpike) to I‑295 – Portland	Southbound exit and northbound entrance only
	South Portland	46.0	74.0		Maine Turnpike Approach To I‑95 (Maine Turnpike) to I‑295
		46.2	74.4		SR 9 east	Eastern terminus of concurrency with SR 9
		47.7	76.8	4	I‑295 south – South Portland, Scarborough Veterans Memorial Bridge To US 1A – Portland Waterfront	Southbound exit/northbound entrance only Southern terminus of concurrency with I-295
	Portland	49.0	78.9	5	US 1A north (Fore River Parkway) / SR 22 (Congress Street) – Rail - Bus Terminals	Signed as exits 5A and 5B southbound
		50.0	80.5	6	US 302 (Forest Avenue) / SR 100	Signed as exits 6A and 6B; US 1 removed from Forest Avenue in May 2007
		50.5	81.3	7	US 1A south (Franklin Street)	Northern terminus of US 1A
		51.3	82.6	8	SR 26 (Washington Avenue, Baxter Blvd.)	SR 26 concurency for about ¹⁄₄ mile (0.40 km)
		52.0	83.7	9	I‑295 north – Falmouth, Brunswick	Northern terminus of concurrency with I-295 Northbound exit/southbound entrance only
Presumpscot River		52.6	84.7	Martin Point Bridge
Cumberland	Falmouth	53.9	86.7		SR 88 north	Southern terminus of SR 88
		55.0	88.5		Bucknam Road To I‑295 – West Falmouth
		55.3	89.0		I‑495 west (Falmouth Spur) to I‑95 (Maine Turnpike) – Lewiston, Kittery
	Cumberland	58.4	94.0		Tuttle Road To SR 88 – Cumberland Center, Cumberland Foreside	Grade-separated.
	Yarmouth	59.7	96.1		I‑295 – Freeport, Portland	Exit 15 on I-295.
		60.8	97.8		SR 115 – Yarmouth, Gray	Interchange.
		61.8	99.5		SR 88 south – Falmouth	Northern terminus of SR 88
		62.0	99.8		I‑295 – Brunswick, Portland	Exit 17 on I-295
	Freeport	65.4	105.3		Desert Road To I‑295 – Brunswick, Augusta, Portland
		67.0	107.8		SR 125 north / SR 136 north to I‑295 – Portland, Auburn
		68.5	110.2		I‑295 north – Brunswick	Exit 24 on I-295 Northbound exit and entrance only
	Brunswick	73.7	118.6		I‑295 – Freeport, Portland, Topsham, Augusta
		75.5	121.5		US 201 / SR 24 (Maine Street) – Topsham	First exit on freeway (exits are not numbered) No access NB US 1 to NB US 201 Southern terminus of US 201
		76.2	122.6		SR 196 west to SR 24 to I‑295 – Topsham, Lewiston	Eastern terminus of SR 196.
		78.2	125.9		SR 24 – Cook's Corner, Brunswick Executive Airport, Orr's-Bailey Islands
Sagadahoc	West Bath	81.0	130.4		New Meadows Road – West Bath
	Bath	82.7	133.1		Congress Avenue / Richardson Street
	Bath	83.4	134.2		SR 209 south (High Street) – Phippsburg, Small Point, Sebasco	Northern terminus of SR 209.
Kennebec River		84.0	135.2	Sagadahoc Bridge
Sagadahoc	Woolwich	84.3	135.7		SR 127 south – Arrowsic, Georgetown, Reid State Park	Interchange; Southern terminus of concurrency with SR 127.
Sagadahoc	Woolwich	84.6	136.2		SR 127 north (Middle Road)	Northern terminus of concurrency with SR 127.
Lincoln	Wiscasset	90.4	145.5		SR 144 – Westport
		93.7	150.8		SR 27 north – Gardiner, Augusta	Western terminus of wrong-way concurrency with SR 27
		94.0	151.3		SR 218 (Federal Street)
Sheepscot River		94.4	151.9	Sheepscot Bridge
Lincoln	Edgecomb	95.6	153.9		SR 27 south – Boothbay, Boothbay Harbor	Eastern terminus of wrong-way concurrency with SR 27.
	Newcastle	100.8	162.2		US 1 Bus. – Pemaquid Point, Pemaquid Beach, Damariscotta, Bristol	Interchange; Northbound exit and southbound entrance only Southern terminus of US 1 Bus. To SR 129 / SR 130 / SR 215
	Newcastle	101.6	163.5		SR 215 – Newcastle, Damariscotta, Damariscotta Mills	Interchange; Southbound exit and northbound entrance only
	Damariscotta	103.2	166.1		US 1 Bus. – Bristol, South Bristol, Pemaquid, Damariscotta	Northern terminus of US 1 Bus.
	Nobleboro	104.1– 108.1	167.5– 174.0	No major junctions
	Waldoboro	110.8	178.3		SR 32 – Jefferson, Waldoboro
		111.6	179.6		SR 220 – Washington, Friendship
		112.5	181.1		SR 235 – Union, Hope
Knox	Warren	117.2	188.6		SR 90 east – Camden, Rockport	Western terminus of SR 90
	Warren	120.4	193.8		SR 97 (Cushing Road)
	Thomaston	121.6	195.7		SR 131 north – Union	Western terminus of wrong-way concurrency with SR 131.
	Thomaston	123.3	198.4		SR 131 south – St. George	Eastern terminus of wrong-way concurrency with SR 131
	Rockland	126.3	203.3		US 1A (Broadway)	Southern terminus of US 1A
		126.7	203.9		SR 73 south (Main Street)	Northern terminus of SR 73.
		127.7	205.5		US 1A / SR 17 – Union	Northern terminus of US 1A.
	Rockport	132.9	213.9		SR 90 west – Warren	Eastern terminus of SR 90.
	Camden	134.9	217.1		SR 105 – Hope, Appleton
	Camden	135.1	217.4		SR 52 – Lincolnville Center
Waldo	Lincolnville	140.7	226.4		SR 173 (Beach Road)
	Northport	142.3– 150.4	229.0– 242.0	No major junctions.
	Belfast	153.0	246.2		SR 52 – Lincolnville Center
		153.4	246.9		SR 3 west – Belfast, Augusta	Interchange; Western terminus of concurrency with SR 3
		154.0	247.8		SR 7 / SR 137 – Belfast, Brooks, Freedom	Interchange; Southbound exit and northbound entrance via High St
		154.7	249.0		SR 141 – Swanville
	Searsport	157.1– 163.4	252.8– 263.0	No major junctions
	Stockton Springs	164.2	264.3		US 1A – Winterport, Bangor	Southern terminus of US 1A
	Prospect	170.3	274.1		SR 174 – Fort Knox
Penobscot River		170.5	274.4	Penobscot Narrows Bridge
Hancock	Verona Island	170.5– 171.7	274.4– 276.3	No major junctions
	Bucksport	171.8	276.5		SR 15 north – Downtown Bucksport, Bangor	Western terminus of wrong-way concurrency with SR 15
	Orland	172.9	278.3		SR 46 – Dedham, East Holden
		173.5	279.2		SR 175 – Orland, Castine
		176.1	283.4		SR 15 south – Penobscot, Blue Hill, Deer Isle	Eastern terminus of wrong-way concurrency with SR 15
		180.3	290.2		SR 176 – Surry
	Ellsworth	190.6	306.7		SR 172 – Blue Hill, Surry
		190.8	307.1		SR 230 (Water Street)
		191.1	307.5		US 1A – Bangor	Northern terminus of US 1A
		192.1	309.2		SR 3 east – Bar Harbor, Acadia National Park	Eastern terminus of concurrency with SR 3
		193.0	310.6		SR 184 – Lamoine
	Hancock	196.8	316.7		SR 182 – Cherryfield
	Sullivan	203.3	327.2		SR 200 – Franklin
		204.3	328.8		SR 185 – Sorrento
		205.9	331.4		SR 183 – Tunk Lake
	Gouldsboro	209.3	336.8		SR 186 – Winter Harbor
		210.6	338.9		SR 195 – Prospect Harbor, Corea
		212.5	342.0		SR 186 – Prospect Harbor, Winter Harbor
Washington	Steuben	215.8– 220.9	347.3– 355.5	No major junctions
	Milbridge	222.8	358.6		US 1A – Calais, Machias, Harrington	Southern terminus of US 1A
	Cherryfield	227.8	366.6		SR 182 – Ellsworth
	Cherryfield	227.9	366.8		SR 193 – Deblois
	Harrington	234.4	377.2		US 1A – Milbridge, Ellsworth	Northern terminus of US 1A
	Columbia	235.2– 237.8	378.5– 382.7	No major junctions
	Columbia Falls	240.0	386.2		SR 187 – Addison, Jonesport, Beals
	Jonesboro	245.8	395.6		SR 187 – Jonesport, Beals Island
	Jonesboro	248.9	400.6		US 1A – Whitneyville	Southern terminus of US 1A
	Whitneyville	250.9– 252.3	403.8– 406.0	No major junctions
	Machias	254.6	409.7		SR 92 – Machiasport
		254.7	409.9		SR 192 (Colonial Way)
		255.1	410.5		US 1A – Whitneyville
	East Machias	258.8	416.5		SR 191 north – Baring	Western terminus of wrong-way concurrency with SR 191.
	East Machias	258.9	416.7		SR 191 south – Cutler	Eastern terminus of wrong-way concurrency with SR 191
	Whiting	271.5	436.9		SR 189 – Lubec
	Dennysville	280.9	452.1		SR 86 – Dennysville
	Pembroke	285.4	459.3		SR 214 – Meddybemps
	Perry	292.0	469.9		SR 190 – Pleasant Point, Eastport
	Robbinston	297.4– 303.2	478.6– 488.0	No major junctions
	Calais	312.4	502.8		SR 9 east – St. Stephen, NB, International Border	Eastern terminus of concurrency with SR 9
	Calais	314.6	506.3		International Avenue– To Route 1 – St. Stephen, St. John	All commercial vehicles to Canada
	Baring	318.1	511.9		SR 191 – Machias
	Baileyville	319.3	513.9		SR 9 west – Bangor	Western terminus of concurrency with SR 9
	Topsfield	348.6	561.0		SR 6 – Lincoln, Vanceboro, St. Croix NB, Springfield
	Danforth	369.0	593.8		SR 169 – Prentiss, Springfield
Aroostook	Houlton	402.9	648.4		US 2 east – Woodstock NB	Southern terminus of concurrency with US 2
		403.0	648.6		US 2A – Bangor
		403.2	648.9		US 2 west – Island Falls	Northern terminus of concurrency with US 2
		404.0	650.2		I‑95 – Woodstock NB, Bangor	Exit 302 on I-95
	Mars Hill	430.5	692.8		US 1A – Fort Fairfield	Southern terminus of US 1A
	Presque Isle	444.7	715.7		SR 10 – Easton
		445.3	716.6		SR 167 – Fort Fairfield
		446.1	717.9		SR 163 – Ashland, Fort Fairfield
		446.5	718.6		SR 164 – Washburn
	Caribou	452.6	728.4		SR 164 – Caribou
		455.5	733.1		SR 161 south / SR 161B (Fort Street) – Fort Fairfield	Southern terminus of concurrency with SR 161
		456.1	734.0		SR 89 west to SR 164 / SR 228 – Caribou Business District	Southern terminus of concurrency with SR 89
		456.5	734.7		SR 161 north – Van Buren	Northern terminus of concurrency with SR 161
		456.8	735.1		SR 89 east – Limestone	Northern terminus of concurrency with SR 89
		458.2	737.4		SR 161
	Van Buren	477.9	769.1		US 1A – Hamlin Bridge Street– To Route 2 (TCH) – Saint-Léonard	Northern terminus of US 1A
	Madawaska	502.7	809.0		Bridge Street– To Route 2 (TCH) – Edmundston
	Frenchville	509.8	820.4		SR 162 – St. Agatha
	Fort Kent	521.7	839.6		SR 161 south – Caribou	Southern terminus of concurrency with SR 161
		522.2	840.4		SR 11 (Aroostook Road)
		522.6	841.0		SR 161 north – Allagash	Northern terminus of concurrency with SR 161
		522.7	841.2		Route 161 north – Clair	International Bridge over Saint John River; Northern terminus of US 1
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus Incomplete access Tolled

References

Route map: Bing / Google

↑ Maine State Route Log via floodgap.com
↑ American Association of State Highway and Transportation Officials, United States Numbered Highways, 1989 Edition
↑ New York Times, Motor Sign Uniformity, April 16, 1922, p. 98
↑ Rand McNally Auto Road Atlas, 1926, accessed via the Broer Map Library
↑ Report of Joint Board on Interstate Highways, October 30, 1925, Approved by the Secretary of Agriculture, November 18, 1925
↑ Bureau of Public Roads & American Association of State Highway Officials (November 11, 1926). United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials (Map). 1:7,000,000. Washington, DC: U.S. Geological Survey. OCLC 32889555. Retrieved November 7, 2013 – via University of North Texas Libraries.
↑ Maine Department of Transportation, Waldo-Hancock Bridge, accessed October 2007

U.S. Route 1
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