List of state routes in Maine

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State Routes in Maine
State Route 6 markerState Route 27 markerState Route 100 marker
Standard markers of State Routes in Maine
System information
Maintained by MaineDOT
Highway names
Interstates: Interstate x (abbreviated I-X)
US Routes: U.S. Route x (abbreviated US-X)
State: State Route x or Route x (abbreviated SR X)
System links


State Routes[edit]

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.

Primary and secondary routes[edit]

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
SR 1 9.0 14.5 US 1 / SR 103 in Kittery US 1A in York 1936 1941 Redesignated as part of SR 103
SR 1 20.0 32.2 US 1 / SR 9 in Wells US 1 / SR 9 in Biddeford 1940 1949
SR 3 119.21 191.85 SR 8 / SR 11 / SR 27 in Augusta SR 102 / SR 198 in Mount Desert 1940 current
SR 4 168.85 271.74 NH 4 in Rollinsford, NH Haines Landing in Rangeley 1931 current
SR 5 118.54 190.77 SR 9 in Old Orchard Beach SR 120 in Andover c. 1933 current
SR 6 207.47 333.89 Route 173 / US 201 near Saint-Theophile, QC (Armstrong-Jackman Border Crossing) Route 4 near Saint Croix, NB (Saint Croix-Vanceboro Bridge) 1949 current Only route with both termini at the Canadian border
SR 7 61.97 99.73 US 1 / SR 3 / SR 137 in Belfast SR 15 in Dover-Foxcroft c. 1933 current
SR 8 51.65 83.12 US 201 / SR 11 / SR 27 / SR 100 in Augusta US 201 / US 201A in Solon c. 1954 current Mostly overlapped by other routes
SR 9 290.43 467.40 NH 9 / NH 236 in Somersworth, NH Ferry Point International Bridge to St. Stephen, NB c. 1933 current
SR 10 9.33 15.02 US 1 in Presque Isle US 1A in Easton 1940 current Formerly US 1
SR 11 401.2 645.7 US 202 / NH 11 in Rochester, NH US 1 / SR 161 in Fort Kent c. 1934 current Longest state highway in Maine
SR 15 180.5 290.5 Main / West Main / School Streets in Stonington US 201 / SR 6 in Jackman 1933 current
SR 16 190.61 306.76 NH 16 in Wentworth's Location, NH US 2 in Orono c. 1933 current
SR 17 131.21 211.16 SR 4 in Rangeley US 1 / US 1A in Rockland c. 1933 current
SR 18 54.15 87.15 NH 18 in Conway (now US 302) US 1 in Portland (now SR 77) 1926 1935 State highway designation for former NEI 18, later redesignated US 302 in 1935
SR 22 19.38 31.19 SR 35 in Buxton SR 25 / SR 77 in Portland 1939 current
SR 23 68.09 109.58 SR 8 / SR 11 / SR 17 in Sidney SR 6 / SR 15 / SR 16 in Guilford 1954 current
SR 24 45.12 72.61 Baileys Island Road in Harpswell US 201 / SR 9 / SR 27 / SR 126 in Gardiner c. 1933 current
SR 25 42.2 67.9 NH 25 near Freedom, NH SR 22 / SR 77 in Portland 1926 current State highway designation for former NEI 25
SR 26 96.7 155.6 SR 77 in Portland NH 26 in Cambridge, NH 1926 current State highway designation for former NEI 26
SR 27 154.86 249.22 SR 238 in Southport Route 161 near Saint-Augustin-de-Woburn, QC
Coburn Gore-Woburn Border Crossing)
1932 current
SR 32 58.94 94.85 SR 130 in Bristol US 201 / SR 100 / SR 137 Business in Winslow 1932 current
SR 35 91.64 147.48 SR 9 / SR 9A in Kennebunk SR 26 in Bethel c. 1933 current
SR 37 9.28 14.93 SR 117 in Bridgton SR 118 in Waterford c. 1937 current
SR 41 26.96 43.39 US 202 / SR 11 / SR 100 / SR 133 in Winthrop US 2 / SR 27 / SR 156 in Farmington c. 1946 current Current SR 41 was originally designated SR 134 in 1928; designations were swapped in 1946-7
SR 43 102.92 165.63 Temple / Intervale / Cummings Hill Roads in Temple US 2 / US 2A in Old Town c. 1933 current
SR 46 18.76 30.19 US 1 in Orland SR 9 in Eddington 1960 current Formerly part of SR 175
SR 52 17.42 28.03 US 1 in Camden US 1 in Belfast 1960 current Formerly part of SR 137
SR 69 34.86 56.10 SR 11 / SR 100 in Pittsfield US 1A / SR 139 in Winterport 1959 current
SR 73 10.74 17.28 SR 131 in St. George US 1 in Rockland 1963 current
SR 77 12.32 19.83 SR 207 in Scarborough SR 22 / SR 25 in Portland 1939 current
SR 85 7.91 12.73 US 302 / SR 35 in Raymond SR 11 in Casco 1948 current
SR 86 10.32 16.61 SR 191 near East Machias US 1 in Dennysville 1962 current
SR 88 8.41 13.53 US 1 in Falmouth US 1 in Falmouth c. 1946 current Formerly US 1
SR 89 10.89 17.53 SR 161B / SR 164 in Caribou US 1A in Limestone c. 1946 current
SR 90 10.83 17.43 US 1 in Warren US 1 in Rockport c. 1946 current
SR 91 7.83 12.60 US 1 in York SR 236 in South Berwick 1949 current
SR 92 4.19 6.74 US 1 in Machias Old County Road in Machiasport 1939 current
SR 93 11.01 17.72 US 302 in Bridgton SR 5 in Lovell 1953 current
SR 94 13.35 21.48 SR 7 in Dexter SR 11 / SR 43 in Corinth 1948 current
SR 95 8.18 13.16 SR 25 in Gorham SR 35 in Standish c. 1946 1957 Renumbered SR 237 after the designation of I-95
SR 96 5.77 9.29 SR 27 in Boothbay Harbor Middle Road in Boothbay 1948 current
SR 97 9.53 15.34 SR 220 in Friendship US 1 in Warren 1949 current Formerly SR 220
SR 98 2.81 4.52 US 1 in Saco SR 5 in Old Orchard Beach c. 1946 current
SR 99 8.76 14.10 SR 109 in Sanford US 1 / SR 9A in Kennebunk c. 1940 current
SR 100 139.7 224.8 Cumberland Avenue in Portland US 2 in Bangor 1925 current First numbered state highway in Maine; now entirely overlapped with other routes, except for one short stretch in Portland
SR 101 8.22 13.23 US 1 in Kittery Gulf Road in Dover, NH c. 1940 current
SR 102 12.99 20.91 SR 102A in Tremont SR 3 / SR 198 in Bar Harbor 1925 current Original 1925 route is now part of SR 3; the modern alignment was first designated in 1931
SR 103 16.33 26.28 SR 236 in Eliot US 1A in York c. 1929 current
SR 104 34.7 55.8 SR 8 / SR 11 / SR 27 in Augusta US 2 / US 201 / US 201A in Skowhegan 1931 current
SR 105 48.11 77.43 US 201 / US 202 / SR 9 / SR 17 / SR 100 in Augusta US 1 in Camden c. 1933 current
SR 106 14.15 22.77 US 202 / SR 11 / SR 100 in Leeds SR 133 in Livermore Falls c. 1937 current
SR 107 16.22 26.10 SR 11 / SR 113 in Baldwin SR 117 in Bridgton 1936 current
SR 108 26.69 42.95 US 2 in Rumford SR 219 in Turner 1925 current Current western alignment was first designated in 1929
SR 109 26.16 42.10 US 1 / SR 9 in Wells NH 109 in Wakefield, NH 1925 current
SR 110 3.60 5.79 Stevens Corner Road to NH 153 in Wakefield, NH SR 11 in Newfield 1931 current
SR 111 13.88 22.34 US 202 / SR 4 / SR 4A in Alfred SR 9 / SR 208 in Biddeford c. 1933 current
SR 112 25.9 41.7 US 1 / SR 5 / SR 9 in Saco SR 114 in Gorham 1925 current
SR 113 54.81 88.21 SR 25 in Standish US 2 in Gilead 1925 current 6.0 miles (9.7 km) of the route run in New Hampshire; NH 113B is a loop of SR 113
SR 114 35.04 56.39 US 1 / SR 9 / SR 207 in Scarborough US 302 / SR 11 in Naples 1925 current
SR 115 18.04 29.03 US 302 / SR 35 in Windham SR 88 in Yarmouth 1925 current
SR 116 56.42 90.80 SR 16 in Old Town SR 11 / SR 157 in Medway c. 1933 current
SR 117 88.16 141.88 SR 112 in Saco SR 219 in Turner 1925 current
SR 118 13.04 20.99 SR 35 in Waterford SR 26 / SR 117 in Norway 1925 current
SR 119 15.2 24.5 SR 11 / SR 121 in Minot SR 26 / SR 117 in Paris 1935 current
SR 120 15.18 24.43 SR 5 in Andover US 2 in Rumford 1925 current
SR 121 35.76 57.55 US 302 / SR 35 in Raymond US 202 / SR 4 / SR 11 / SR 100 in Auburn 1925 current
SR 122 5.11 8.22 SR 26 in Poland US 202 / SR 4 / SR 100 in Auburn 1925 current
SR 123 13.66 21.98 Hurricane Ridge Road in Harpswell SR 24 in Brunswick 1925 current
SR 124 12.47 20.07 SR 11 / SR 121 in Mechanic Falls SR 117 in Buckfield c. 1933 current
SR 125 22.12 35.60 US 1 / SR 136 in Freeport SR 24 in Bowdoinham 1925 current
SR 126 48.78 78.50 US 202 / SR 100 in Lewiston SR 220 in Washington 1925 current
SR 127 25.64 41.26 Seguinland Road in Georgetown SR 27 / SR 197 in Dresden c. 1933 current
SR 128 15.36 24.72 SR 127 in Woolwich SR 27 in Dresden c. 1933 current
SR 129 13.36 21.50 Middle Road in South Bristol US 1 Bus. / SR 130 in Damariscotta 1925 current
SR 130 14.41 23.19 Pemaquid Loop Road in Bristol US 1 Bus. / SR 129 in Damariscotta 1925 current
SR 131 58.63 94.36 Drift Inn / Glenmere Roads in St. George SR 141 in Swanville 1925 current
SR 132 10.8 17.4 SR 9 / SR 126 in Sabattus US 202 / SR 11 / SR 100 in Monmouth c. 1937 current
SR 133 31.78 51.14 US 202 / SR 11 / SR 41 / SR 100 in Winthrop US 2 / SR 4 in Farmington 1925 current
SR 134 12.6 20.3 SR 41 in New Sharon SR 43 in Starks c. 1946 current Current SR 134 was originally designated SR 41 in 1925; designations were swapped in 1946-7
SR 135 23.48 37.79 SR 132 in Monmouth SR 8 / SR 11 in Belgrade 1925 current
SR 136 19.17 30.85 US 1 / SR 125 in Freeport US 202 / SR 11 / SR 100 in Auburn c. 1933 current
SR 137 56.25 90.53 US 2 in Mercer US 1 / SR 3 / SR 7 in Belfast 1925 current
SR 138 9.53 15.34 US 201 in Bowdoin US 201 in Richmond c. 1946 current Originally designated SR 201 in 1937; renumbered in 1946-7
SR 139 58.83 94.68 US 2 / US 201A / SR 8 in Norridgewock US 1A / SR 69 in Winterport 1925 current
SR 140 22.4 36.0 SR 117 in Buckfield SR 4 / SR 17 in Jay c. 1933 current
SR 141 13.22 21.28 US 1 / SR 3 in Belfast SR 139 in Monroe 1925 current
SR 142 43.29 69.67 US 2 / SR 17 in Dixfield SR 16 / SR 27 in Kingfield 1925 current
SR 143 15.25 24.54 US 202 / SR 9 in Dixfield SR 222 in Stetson c. 1937 current
SR 144 8.42 13.55 West Shore Road in Westport US 1 in Wiscasset 1954 current
SR 145 10.15 16.33 SR 4 in Strong SR 142 near Kingfield 1925 current
SR 146 6.33 10.19 SR 27 in New Portland SR 16 in New Portland 1925 current
SR 147 15.0 24.1 US 2 / US 201 in Skowhegan US 201 in Solon 1925 1954 Redesignated US 201 after the designation of US 201A in 1954
SR 148 19.22 30.93 SR 43 in Industry US 201 in Madison 1925 current Western segment formerly SR 43A
SR 149 16.08 25.88 SR 4 in Strong SR 142 in Phillips 1951 current
SR 150 50.81 81.77 US 2 in Skowhegan Sebec Lake in Willimantic 1925 current
SR 151 30.45 49.00 US 2 in Palmyra SR 16 near Wellington 1925 current
SR 152 20.31 32.69 SR 11 / SR 100 in Pittsfield SR 150 in Cambridge 1925 current
SR 153 4.66 7.50 SR 6 / SR 16 in Dover-Foxcroft Greeley's Landing in Dover-Foxcroft c. 1933 current
SR 154 20.21 32.52 SR 151 near Wellington SR 23 in Ripley c. 1933 current
SR 155 34.41 55.38 SR 11 / SR 221 in Bradford US 2 / SR 6 in Lincoln 1955 current
SR 156 23.16 37.27 SR 142 in Weld SR 41 in Chesterville 1929 current
SR 157 22.46 36.15 SR 11 in Millinocket US 2 in Mattawamkeag 1925 current
SR 158 4.42 7.11 SR 11 in Sherman US 2 in Sherman 1925 current
SR 159 20.68 33.28 Shin Pond Village in Mt. Chase US 2 in Island Falls 1925 current
SR 160 32.64 52.53 SR 5 in Limerick SR 117 in Denmark 1933 current
SR 161 83.03 133.62 Route 190 in Carlingford, NB
(Fort Fairfield - Andover Border Crossing)
Frank Mack Road in Allagash 1925 current
SR 162 16.97 27.31 SR 161 near St. Agatha US 1 in Frenchville 1925 current
SR 163 29.22 47.03 SR 11 in Ashland SR 167 in Presque Isle 1925 current
SR 164 23.63 38.03 US 1 in Presque Isle US 1 in Caribou 1925 current
SR 165 0 0 US 1 in Easton US 1A in Fort Fairfield 1925 1983 Redesignated US 1A in 1983
SR 166 7.34 11.81 Main Street in Castine SR 175 in Penobscot c. 1940 current Originally designated SR 202 in 1925; renumbered SR 166E in 1939, then SR 166 in 1940-1
SR 167 12.98 20.89 US 1 in Presque Isle US 1A in Fort Fairfield 1936 current
SR 168 10.18 16.38 SR 6 in Lee US 2 in Winn 1925 current
SR 169 24.22 38.98 SR 6 / SR 170 in Springfield US 1 in Danforth 1925 current
SR 170 20.37 32.78 SR 6 / SR 169 in Springfield US 2 in Macwahoc 1925 current
SR 171 17.83 28.69 SR 166 in Prentiss US 2A in Reed Plantation 1925 current
SR 172 22.66 36.47 SR 175 in Sedgwick US 1 / SR 3 in Ellsworth c. 1933 current
SR 173 21.03 33.84 US 1 in Lincolnville SR 220 in Liberty 1953 current
SR 174 3.8 6.1 US 1A in Prospect US 1 / SR 3 in Prospect 1931 current
SR 175 46.16 74.29 SR 15 / SR 172 / SR 176 in Blue Hill US 1 / SR 3 / SR 15 in Orland 1925 current
SR 176 38.27 61.59 SR 175 in Brooksville US 1 / SR 3 in Orland 1925 current
SR 177 6.98 11.23 SR 175 in Penobscot SR 15 / SR 172 / SR 176 in Blue Hill 1925 current
SR 178 13.27 21.36 State Street / SR 9 in Brewer US 2 in Milford 1925 current
SR 179 22.34 35.95 US 1A / SR 180 in Ellsworth SR 9 in Aurora 1925 current
SR 180 21.35 34.36 US 1A / SR 179 in Ellsworth SR 9 in Clifton 1925 current
SR 181 12.46 20.05 SR 180 in Otis SR 9 in Amherst 1925 current
SR 182 23.5 37.8 US 1 in Hancock US 1 in Cherryfield 1925 current
SR 183 5.45 8.77 US 1 in Sullivan Schoodic Beach Road in Sullivan c. 1937 current
SR 184 8.64 13.90 Lamoine Beach in Lamoine US 1 in Ellsworth 1925 current
SR 185 3.69 5.94 Waukeag Avenue in Sorrento US 1 in Sullivan 1925 current
SR 186 16.13 25.96 US 1 in Gouldsboro US 1 in Gouldsboro 1925 current
SR 187 22.85 36.77 US 1 in Columbia Falls US 1 in Jonesboro 1925 current
SR 188 15.6 25.1 SR 155 in Enfield Lord Brook Road near Burlington c. 1933 current
SR 189 11.19 18.01 US 1 in Whiting Route 774 on Campobello Island, NB
(Franklin D. Roosevelt Bridge)
1925 current
SR 190 7.09 11.41 Water Street in Eastport US 1 in Perry 1925 current
SR 191 61.58 99.10 SR 189 in Lubec US 1 / SR 9 near Baileyville 1925 current
SR 192 20.39 32.81 US 1 in Machias SR 9 in Wesley 1925 current
SR 193 19.11 30.75 US 1 in Cherryfield SR 9 near Beddington c. 1933 current
SR 194 16.68 26.84 SR 27 in Pittston SR 215 in Newcastle 1951 current
SR 195 8.99 14.47 Crowley Island Road in Gouldsboro US 1 in Gouldsboro c. 1946 current Duplicate number; not renumbered after I-195 was opened in 1983
SR 196 19.42 31.25 US 202 / SR 11 / SR 100 in Lewiston US 1 in Brunswick 1925 current
SR 197 20.52 33.02 SR 9 / SR 126 in Sabattus SR 27 / SR 127 in Dresden 1925 current
SR 198 10.79 17.36 Main Street in Mount Desert SR 3 in Bar Harbor 1925 current
SR 199 10.57 17.01 SR 166 in Castine SR 15 in Penobscot 1925 current
SR 200 17.97 28.92 US 1 in Sullivan SR 179 in Waltham 1925 current
SR 201 9.53 15.34 US 201 in Bowdoin US 201 in Richmond c. 1937 c. 1946 Proposed alternate for US 201 but was never approved by AASHTO; renumbered SR 138 in 1946-7
SR 202 0 0 Main Street in Castine SR 175 in Castine (now SR 166 / SR 199) 1925 1939 After US 202 was designated; SR 202 was renumbered SR 166E in 1939, then to SR 166 in 1940-1
SR 203 4.62 7.44 SR 131 in Waldo SR 139 in Brooks c. 1953 current
SR 204 6.5 10.5 SR 3 in Trenton Seal Point / Marlboro Beach Roads in Lamoine 1936 current
SR 205 10.79 17.36 SR 167 in Presque Isle SR 161 in Caribou c. 1937 current
SR 206 1.6 2.6 SR 17 in Washington SR 105 in Washington c. 1933 current
SR 207 2.94 4.73 SR 77 in Scarborough US 1 / SR 9 / SR 114 in Scarborough 1925 current
SR 208 7.29 11.73 Lester B. Orcutt Blvd. in Biddeford SR 9 / SR 111 in Biddeford 1925 current Mostly overlapped by SR 9
SR 209 16.03 25.80 Popham Beach in Biddeford US 1 in Bath 1925 current
SR 210 6.20 9.98 US 1 / SR 164 in Presque Isle US 1 in Presque Isle 1925 current All signage removed as of October 2007; possibly decommissioned
SR 211 6.7 10.8 SR 134 in Mount Vernon (now SR 41) SR 27 in Belgrade c. 1933 1957
SR 212 10.28 16.54 SR 11 in Moro Plantation US 2 in Smyrna 1925 current
SR 213 9.35 15.05 SR 215 in Newcastle SR 126 in Jefferson c. 1933 current
SR 214 9.96 16.03 SR 191 in Meddybemps US 1 in Pembroke c. 1933 current
SR 215 17.43 28.05 US 1 Bus. in Damariscotta SR 32 in Jefferson c. 1933 current
SR 216 2.3 3.7 Small Point in Phippsburg SR 209 in Phippsburg 1928 current
SR 217 1.22 1.96 Kenyon / Sebasco Roads in Phippsburg SR 209 in Phippsburg 1928 2007 Designation of Sebasco Road between Kenyon Road and SR 209; all signage was removed as of March 2007
SR 218 20.96 33.73 US 1 / SR 27 in Wiscasset SR 17 / SR 32 in Whitefield c. 1933 current
SR 219 35.1 56.5 Greenwood Road in Greenwood SR 133 in Wayne c. 1933 current
SR 220 66.66 107.28 SR 97 in Friendship SR 11 / SR 100 in Wayne 1929 current
SR 221 16.05 25.83 SR 15 in Bangor SR 11 / SR 155 in Bradford c. 1931 current
SR 222 27.65 44.50 SR 7 / SR 11 / SR 43 in Corinna US 2 / SR 100 in Bangor 1936 current
SR 223 6.45 10.38 SR 89 in Caribou US 1A in Limestone c. 1931 current
SR 224 2.09 3.36 SR 11 / SR 11A / SR 109 in Sanford US 202 / SR 4A in Sanford c. 1933 current
SR 225 5.65 9.09 SR 27 in Rome SR 8 / SR 137 in Smithfield 1932 current
SR 226 5.50 8.85 SR 27 / SR 126 in Randolph SR 17 in Chelsea 1934 current
SR 227 24.51 39.45 SR 11 in Ashland SR 163 in Presque Isle c. 1939 current
SR 228 16.93 27.25 SR 164 in Washburn SR 161B in Caribou c. 1939 current
SR 229 1.96 3.15 US 1A in Limestone Route 375 in Grand-Sault, NB
(Limestone - Gillespie Portage Border Crossing)
c. 1939 current
SR 230 14.24 22.92 SR 3 in Trenton US 1 / SR 3 in Ellsworth c. 1946 current
SR 231 11.52 18.54 SR 115 in North Yarmouth US 202 / SR 4 / SR 100 in New Gloucester 1954 current
SR 232 9.3 15.0 SR 26 in Woodstock US 2 in Rumford 1955 current
SR 233 5.85 9.41 SR 3 / SR 198 in Mount Desert SR 3 in Bar Harbor 1956 current
SR 234 18.67 30.05 SR 145 / SR 149 in Strong US 201A / SR 8 in Anson 1956 current
SR 235 23.71 38.16 US 1 in Waldoboro SR 52 / SR 173 in Lincolnville 1957 current
SR 236 15.8 25.4 SR 103 in Kittery SR 9 in Berwick 1957 current
SR 237 8.18 13.16 SR 25 in Gorham SR 35 in Standish 1957 current Originally designated SR 95 in 1946-7; renumbered SR 237 after I-95 was designated in 1957
SR 238 3.76 6.05 SR 27 in Southport SR 27 in Southport 1975 current
SR 701 2.0 3.2 US 1 / SR 9 in Scarborough I‑295 in South Portland Scarborough Connector; posted on mile markers every 0.2 miles (0.32 km) with an origin point at the northern end
SR 703 1.8 2.9 I‑95 in South Portland US 1 / SR 9 in South Portland Maine Turnpike Approach Road, also known as the Maine Mall Connector; posted on mile markers every 0.2 miles (0.32 km) with an origin point at the western end
  •       Former

Alternate and bannered routes[edit]

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
SR 4A 6.5 10.5 SR 4 / SR 109 in Sanford US 202 / SR 4 / SR 111 in Alfred c. 1946 current Southern segment; originally designated SR 4 in 1940-1; designation swapped with current SR 4 in in 1946-7.
SR 4A 4.0 6.4 US 202 / SR 4 / SR 35 in Hollis US 202 / SR 4 in Buxton c. 1937 current Northern segment; formerly US 202 / SR 4
SR 5A 2.1 3.4 SR 5 in Lovell SR 5 in Lovell 1960 c. 2003
SR 9A 11.28 18.15 SR 9 in Wells SR 9 / SR 35 in Kennebunk c. 1933 current
SR 9B 4.14 6.66 SR 9 in Wells US 1 in Wells c. 1933 current
SR 11A 3.3 5.3 US 202 / SR 11 in Sanford SR 11 / SR 109 / SR 224 in Sanford 1931 current Southern segment
SR 11A 6.7 10.8 SR 11 in Charleston SR 11 / SR 221 in Bradford c. 1980 current Northern segment; formerly SR 11

SR 15 Bus.
2.8 4.5 I‑395 / SR 15 in Brewer I‑95 / SR 15 in Bangor c. 2005 current Formerly SR 15
SR 15A 0 0 SR 15 in Corinth SR 15 in Charleston 1950 1960 Redesignated SR 15 in 1960

SR 25 Bus.
2.8 4.5 SR 25 in Westbrook SR 25 in Portland c. 1977 current Formerly SR 25
SR 26A 1.6 2.6 US 202 / SR 4 / SR 26 / SR 100 / SR 115 in Gray SR 26 in Gray 2006 current
SR 35A 4.7 7.6 SR 35 in Standish SR 25 / SR 35 in Standish c. 1937 c. 2002 Formerly SR 35; now unnumbered Cape Road west of SR 25
SR 43A 11.3 18.2 SR 43 in Industry SR 43 in Anson 1936 c. 1946 Renumbered as an extension of SR 148 in 1946-7

SR 137 Bus.
3.01 4.84 SR 137 in Winslow SR 11 / SR 104 / SR 137 in Waterville 1997 current Formerly SR 137
SR 161B 0 0 US 1 / SR 161 in Caribou SR 161 in Caribou 2012 current Newest state route designation in Maine; business route designation for SR 161 in downtown Caribou after the construction of the Caribou Connector bypass
SR 166A 3.77 6.07 SR 166 in Castine SR 166 in Castine c. 1946 current Originally designated SR 166W; renumbered in 1946-7
SR 172A 11.3 18.2 SR 172 in Stonington (now SR 15) SR 172 in Deer Isle (now SR 15) c. 1940 1963 Decommissioned when SR 172 was truncated in 1963; now unnumbered roads
SR 228T 0.6 1.0 SR 164 in Washburn SR 228 in Washburn 1964 c. 1968 Only truck route ever designated in Maine; although it no longer seems to be an official designation, it is signed from SR 164 as of August 2014
  •       Former

Routes crossing state borders[edit]

New Hampshire Route 113B and New Hampshire Route 153 enter Maine. NH 153 remains entirely under NHDOT maintenance. NH 113B is a loop of Maine State Route 113. The spans of NH 113B within Maine are considered unnumbered highway by the MDOT. SR 113 enters New Hampshire several times but remains under MDOT maintenance.

New England Interstates

See also[edit]


References[edit]

External links[edit]