List of U.S. Highways in Maine

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United States Numbered Highways in Maine
System information
Maintained by MaineDOT
FormedNovember 11, 1926 (1926-11-11)
Highway names
InterstatesInterstate x (I-X)
US HighwaysU.S. Route x (US-X)
StateState Route x or Route x (SR X)
System links

Primary routes

Note about termini: In several cases there is disagreement between the administrative termini of a route (which is defined by MaineDOT) and the termini signed in the field. All termini listed on this page are administrative termini; discrepancies are listed on the respective pages.

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 1 527.19 848.43 US 1 in Portsmouth, NH Route 161 in Clair, NB 01926-01-011926 current Mostly follows the old New England Route 1 and New England Route 24
US 2 273.64 440.38 US 2 in Shelburne, NH I-95 in Houlton 01926-01-011926 current Mostly follows the old New England Route 15
US 201 157.46 253.41 US 1 / SR 24 in Brunswick SR 6 / Route 173 near Saint-Theophile, QC 01926-01-011926 current Mostly follows the old New England Route 20
US 202 168.52 271.21 US 202 / NH 11 in Rochester, NH I-395 / US 1A / SR 15 in Bangor 01936-01-011936 current Currently signed with US 1A into downtown Bangor at US 2, but was truncated to I-395 in 1989. Does not officially intersect with US 2.
US 302 54.15 87.15 US 302 in Conway, NH I-295 / US 1 / SR 100 in Portland 01935-01-011935 current Mostly follows the old New England Route 18
Currently signed with SR 100 to end at Park Ave (formerly US 1), but was truncated in 2007 when US 1 was shifted onto I-295.

Alternate and auxiliary routes

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes

US 1 Byp.
1.5 2.4 US 1 Byp. in Portsmouth US 1 in Kittery 01960-01-01c. 1960 current Originally designated US 1A, also designated I-95 until 1972

US 1 Bus.
3.4 5.5 US 1 in Newcastle US 1 in Damariscotta 01963-01-011963 current Formerly US 1

US 1 Bus.
3.6 5.8 01951-01-011951 01960-01-011960 Former alignment of US 1, redesignated US 1 in 1960

US 1 Bus.
2.6 4.2 01955-01-011955 01956-01-011956 Redesignated US 1A Business, which was later decommissioned
US 1A 7.0 11.3 US 1 in York US 1 in York 01936-01-011936 current York segment
US 1A 3.5 5.6 I-295 / US 1 in Portland I-295 / US 1 in Portland 01951-01-011951 current Portland segment
US 1A 1.6 2.6 US 1 in Rockland US 1 in Rockland 01941-01-011941 current Rockland segment; redesignated US 1 Bypass in 1963 but reverted to US 1A in 1987
US 1A 54.0 86.9 US 1 / SR 3 in Stockton Springs US 1 / SR 3 in Ellsworth 01966-01-011966 current Stockton Springs-Ellsworth segment; formerly US 1
US 1A 7.8 12.6 US 1 in Milbridge US 1 in Harrington 01936-01-011936 current Milbridge-Harrington segment
US 1A 8.1 13.0 US 1 in Jonesboro US 1 in Machias 01936-01-011936 current Jonesboro-Machias segment
US 1A 49.8 80.1 US 1 in Mars Hill US 1 in Van Buren 01940-01-011940 current Mars Hill-Van Buren segment, formerly US 1.

US 1A Bus.
01955-01-011955 Unsigned designation for a former alignment of US 1 in Bangor, now unnumbered.
US 2A 4.6 7.4 US 2 in Orono US 2 / SR 43 in Old Town 01954-01-011954 current Southern segment, formerly US 2
US 2A 43.5 70.0 US 2 in Macwahoc Plantation US 1 / US 2 in Houlton 01936-01-011936 current Northern segment, formerly SR 166
US 201A 26.18 42.13 US 2 / US 201 / SR 104 in Skowhegan US 201 / SR 8 in Solon 01954-01-011954 current Formerly US 201; now completely overlaid with other routes
  •       Former

References

External links