List of state routes in Maine

State Routes in Maine

State Route 9 markerState Route 11 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 Highways: U.S. Route x (abbreviated US-X)
State: State Route x or Route x (abbreviated SR X)
System links

State routes in Maine are those routes within the Maine State Highway System that are signed and maintained by the Maine Department of Transportation, and not U.S. Routes or routes of the Interstate highway system. Some parts of these roads are maintained by local government authorities. There are over 100 State routes.

State Routes

Note about termini: In several cases there is disagreement between the administrative termini of a route (which are 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

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
SR 1 9.014.5 US 1 / SR 103 in KitteryUS 1A in York 19361940 Redesignated as part of SR 103
SR 1 20.032.2 US 1 / SR 9 in WellsUS 1 / SR 9 in Biddeford 19401949 Proposed alternate for US 1 but was never approved by AASHTO; it was cosigned with SR 9 for its entire length.
SR 2 9.014.5 19371939 Signed and shown on maps along US 2A
SR 3 119.21191.85 SR 8 / SR 11 / SR 27 in AugustaSR 102 / SR 198 in Mount Desert 1940current
SR 4 168.85271.74 NH 4 in Rollinsford, NHHaines Landing in Rangeley 1931current
SR 5 118.54190.77 SR 9 in Old Orchard BeachSR 120 in Andover c.1933current
SR 6 US 1Old Orchard Beach 19371947 renumbered as SR 98
SR 6 207.47333.89 Route 173 / US 201 near Saint-Theophile, QC (Armstrong-Jackman Border Crossing)Route 4 near Saint Croix, NB (Saint Croix-Vanceboro Bridge) 1949current Only route with both termini at the Canada–US border
SR 7 61.9799.73 US 1 / SR 3 / SR 137 in BelfastSR 15 in Dover-Foxcroft c.1933current
SR 8 51.6583.12 US 201 / SR 11 / SR 27 / SR 100 in AugustaUS 201 / US 201A in Solon c.1954current Mostly overlapped by other routes
SR 9 290.43467.40 NH 9 / NH 236 in Somersworth, NHFerry Point International Bridge to St. Stephen, NB c.1933current
SR 10 9.3315.02 US 1 in Presque IsleUS 1A in Easton 1940current Formerly US 1
SR 11 401.2645.7 US 202 / NH 11 in Rochester, NHUS 1 / SR 161 in Fort Kent c.1933current Longest state highway in Maine
SR 15 180.5290.5 Main / West Main / School Streets in StoningtonUS 201 / SR 6 in Jackman 1933current
SR 16 190.61306.76 NH 16 in Wentworth's Location, NHUS 2 in Orono c.1933current
SR 17 131.21211.16 SR 4 in RangeleyUS 1 / US 1A in Rockland c.1933current
SR 18 54.1587.15 NH 18 in Conway (now US 302)US 1 in Portland (now SR 77) 19261935 State highway designation for former NEI 18, later redesignated US 302 in 1935
SR 22 19.3831.19 SR 35 in BuxtonSR 25 / SR 77 in Portland 1939current
SR 23 68.09109.58 SR 8 / SR 11 / SR 17 in SidneySR 6 / SR 15 / SR 16 in Guilford 1954current
SR 24 44.771.9 Baileys Island Road in HarpswellUS 201 / SR 9 / SR 27 / SR 126 in Gardiner c.1933current
SR 25 42.267.9 NH 25 near Freedom, NHSR 22 / SR 77 in Portland 1926current State highway designation for former NEI 25
SR 26 96.7155.6 SR 77 in PortlandNH 26 in Cambridge, NH 1926current State highway designation for former NEI 26
SR 27 154.86249.22 SR 238 in SouthportRoute 161 near Saint-Augustin-de-Woburn, QC
Coburn Gore-Woburn Border Crossing)
1933current
SR 32 58.9494.85 SR 130 in BristolUS 201 / SR 100 / SR 137 Business in Winslow 1933current
SR 35 91.64147.48 SR 9 / SR 9A in KennebunkSR 26 in Bethel c.1933current
SR 37 9.2814.93 SR 117 in BridgtonSR 118 in Waterford c.1937current
SR 41 12.620.3 SR 41 in New SharonSR 43 in Starks c.19391946 renumbered as SR 134; old SR 134 renumbered as SR 41
SR 41 26.9643.39 US 202 / SR 11 / SR 100 / SR 133 in WinthropUS 2 / SR 27 / SR 156 in Farmington c.1946current Current SR 41 was originally designated SR 134 in 1928; designations were swapped in 1946-7
SR 43 102.92165.63 Temple / Intervale / Cummings Hill Roads in TempleUS 2 / US 2A in Old Town c.1933current
SR 46 18.7630.19 US 1 in OrlandSR 9 in Eddington 1960current Formerly part of SR 175
SR 52 17.4228.03 US 1 in CamdenUS 1 in Belfast 1960current Formerly part of SR 137
SR 69 34.8656.10 SR 11 / SR 100 in PittsfieldUS 1A / SR 139 in Winterport 1959current
SR 73 10.7417.28 SR 131 in St. GeorgeUS 1 in Rockland 1963current
SR 77 12.3219.83 SR 207 in ScarboroughSR 22 / SR 25 in Portland 1939current
SR 85 7.9112.73 US 302 / SR 35 in RaymondSR 11 in Casco 1948current
SR 86 10.3216.61 SR 191 near East MachiasUS 1 in Dennysville 1962current
SR 88 8.4113.53 US 1 in FalmouthUS 1 in Falmouth c.1946current Formerly US 1
SR 89 10.8917.53 SR 161B / SR 164 in CaribouUS 1A in Limestone c.1946current
SR 90 10.8317.43 US 1 in WarrenUS 1 in Rockport c.1946current
SR 91 7.8312.60 US 1 in YorkSR 236 in South Berwick 1949current
SR 92 4.196.74 US 1 in MachiasOld County Road in Machiasport 1939current
SR 93 11.0117.72 US 302 in BridgtonSR 5 in Lovell 1953current
SR 94 13.3521.48 SR 7 in DexterSR 11 / SR 43 in Corinth 1948current
SR 95 8.1813.16 SR 25 in GorhamSR 35 in Standish c.19461957 Renumbered SR 237 after the designation of I-95
SR 96 5.779.29 SR 27 in Boothbay HarborMiddle Road in Boothbay 1948current
SR 97 9.5315.34 SR 220 in FriendshipUS 1 in Warren 1949current Formerly SR 220
SR 98 2.814.52 US 1 in SacoSR 5 in Old Orchard Beach c.1946current
SR 99 8.7614.10 SR 109 in SanfordUS 1 / SR 9A in Kennebunk c.1940current
SR 100 139.7224.8 Cumberland Avenue in PortlandUS 2 in Bangor 1925current First numbered state highway in Maine; now entirely overlapped with other routes, except for one short stretch in Portland; old route from Augusta to Waterville now SR 11; section north of Newport now SR 7, SR 6 / SR 16, SR 155. and SR 188. Rerouted onto current route 1933.
SR 101 US 201 in AugustaUS 1 / US 1A in Rockland 1925c.1933 Renumbered as SR 17
SR 101 8.2213.23 US 1 in KitteryGulf Road in Dover, NH c.1940current
SR 102 12.9920.91 SR 102A in TremontSR 3 / SR 198 in Bar Harbor 1925current Original 1925 route is now part of SR 3; the modern alignment was first designated in 1931
SR 103 16.3326.28 SR 236 in EliotUS 1A in York c.1929current
SR 104 US 2 in NewportGreenville Junction 1925c.1931 Became part of SR 100 and SR 105 (Now SR 7, SR 15, and SR 16)
SR 104 34.755.8 SR 8 / SR 11 / SR 27 in AugustaUS 2 / US 201 / US 201A in Skowhegan 1931current
SR 105 US 1A in BangorGreenville Junction 1925c.1933 Renumbered as part of SR 15
SR 105 48.1177.43 US 201 / US 202 / SR 9 / SR 17 / SR 100 in AugustaUS 1 in Camden c.1933current
SR 106 US 1A in BrewerSR 3 in Ellsworth 1925c.1933 Renumbered as part of SR 15
SR 106 14.1522.77 US 202 / SR 11 / SR 100 in LeedsSR 133 in Livermore Falls c.1937current
SR 107 SR 100 (now also US 202) in AuburnHaines Landing 1925c.1933 Section east of Rangeley transferred to SR 4 in 1931; rest renumbered as part of SR 16; this section now part of SR 14
SR 107 16.2226.10 SR 11 / SR 113 in BaldwinSR 117 in Bridgton 1936current
SR 108 26.6942.95 US 2 in RumfordSR 219 in Turner 1925current Current western alignment was first designated in 1929
SR 109 26.1642.10 US 1 / SR 9 in WellsNH 109 in Wakefield, NH 1925current
SR 110 3.605.79 Stevens Corner Road to NH 153 in Wakefield, NHSR 11 in Newfield 1925current Section from Alfred to East Waterboro transferred to SR 4 (now US 202); section west to Limington became part of SR 11
SR 111 SR 110 (now US 202) in East WaterboroSR 25 in Gorham 1925c.1931 Became part of SR 4
SR 111 13.8822.34 US 202 / SR 4 / SR 4A in AlfredSR 9 / SR 208 in Biddeford c.1933current
SR 112 25.941.7 US 1 / SR 5 / SR 9 in SacoSR 114 in Gorham 1925current
SR 113 54.8188.21 SR 25 in StandishUS 2 in Gilead 1925current 6.0 miles (9.7 km) of the route run in New Hampshire; NH 113B is a loop of SR 113
SR 114 35.0456.39 US 1 / SR 9 / SR 207 in ScarboroughUS 302 / SR 11 in Naples 1925current section north of Scarborough was part of SR 207; original section from there became part of SR 35 and SR 95 (now SR 237)
SR 115 18.0429.03 US 302 / SR 35 in WindhamSR 88 in Yarmouth 1925current originally went on what is now US 202 (then SR 4) south of West Gray
SR 116 SR 18 (now US 302) in NaplesSR 121 in Mechanic Falls 1925c.1933 became part of SR 11
SR 116 56.4290.80 SR 16 in Old TownSR 11 / SR 157 in Medway c.1933current
SR 117 88.16141.88 SR 112 in SacoSR 219 in Turner 1925current
SR 118 13.0420.99 SR 35 in WaterfordSR 26 / SR 117 in Norway 1925current section north of North Waterford became SR 35 / SR 5; this alignment has since been bypassed
SR 119 SR 117 in HarrisonSR 118 in Waterford 19251933 Became part of SR 35
SR 119 15.224.5 SR 11 / SR 121 in MinotSR 26 / SR 117 in Paris 1935current
SR 120 15.1824.43 SR 5 in AndoverUS 2 in Rumford 1925current
SR 121 35.7657.55 US 302 / SR 35 in RaymondUS 202 / SR 4 / SR 11 / SR 100 in Auburn 1925current
SR 122 5.118.22 SR 26 in PolandUS 202 / SR 4 / SR 100 in Auburn 1925current
SR 123 13.6621.98 Hurricane Ridge Road in HarpswellSR 24 in Brunswick 1925current
SR 124 Bailey's IslandUS 1 in Brunswick 1925c.1933 Became part of SR 24
SR 124 12.4720.07 SR 11 / SR 121 in Mechanic FallsSR 117 in Buckfield c.1933current
SR 125 22.1235.60 US 1 / SR 136 in FreeportSR 24 in Bowdoinham 1925current
SR 126 48.7878.50 US 202 / SR 100 in LewistonSR 220 in Washington 1925current
SR 127 U.S. Route 201 in GardinerUS 1 in Wiscasset 1925c.1933 Became part of SR 27
SR 127 25.6441.26 Seguinland Road in GeorgetownSR 27 / SR 197 in Dresden c.1933current
SR 128 US 1 in WiscassetBoothbay Harbor 1925c.1933 Became part of SR 27
SR 128 15.3624.72 SR 127 in WoolwichSR 27 in Dresden c.1933current
SR 129 13.3621.50 Middle Road in South BristolUS 1 Bus. / SR 130 in Damariscotta 1925current
SR 130 14.4123.19 Pemaquid Loop Road in BristolUS 1 Bus. / SR 129 in Damariscotta 1925current
SR 131 58.6394.36 Drift Inn / Glenmere Roads in St. GeorgeSR 141 in Swanville 1925current
SR 132 SR 101 (now SR 17) in JeffersonUS 1 in Waldoboro 1925c.1933 Became part of SR 32
SR 132 10.817.4 SR 9 / SR 126 in SabattusUS 202 / SR 11 / SR 100 in Monmouth c.1937current
SR 133 31.7851.14 US 202 / SR 11 / SR 41 / SR 100 in WinthropUS 2 / SR 4 in Farmington 1925current
SR 134 26.9643.39 US 202 / SR 11 / SR 100 / SR 133 in WinthropUS 2 / SR 27 / SR 156 in Farmington 1925c.1946 Renumbered as SR 41; old SR 41 renumbered as SR 134
SR 134 12.620.3 SR 41 in New SharonSR 43 in Starks c.1946current
SR 135 23.4837.79 SR 132 in MonmouthSR 8 / SR 11 in Belgrade 1925current
SR 136 23.4837.79 SR 100 (now SR 11) in OaklandUS 2 in Norridgewock 1925c.1933 became part of SR 137
SR 136 19.1730.85 US 1 / SR 125 in FreeportUS 202 / SR 11 / SR 100 in Auburn c.1933current
SR 137 56.2590.53 US 2 in MercerUS 1 / SR 3 / SR 7 in Belfast 1925current
SR 138 US 201 in AugustaUS 1 in Hampden 1925c.1933 became part of SR 9 (now also US 202)
SR 138 9.5315.34 US 201 in BowdoinUS 201 in Richmond c.1946current Originally designated SR 201 in 1937; renumbered in 1946-7
SR 139 58.8394.68 US 2 / US 201A / SR 8 in NorridgewockUS 1A / SR 69 in Winterport 1925current
SR 140 SR 100 (now SR 8/ SR 11) in BelgradeUS 2 in New Sharon 1925c.1933 became part of SR 27
SR 140 22.436.0 SR 117 in BuckfieldSR 4 / SR 17 in Jay c.1933current
SR 141 13.2221.28 US 1 / SR 3 in BelfastSR 139 in Monroe 1925current
SR 142 43.2969.67 US 2 / SR 17 in DixfieldSR 16 / SR 27 in Kingfield 1925current
SR 143 SR 107 (now SR 4/ SR 27) in FairbanksEustis 1925c.1933 outside Eustis became part of SR 4 in 1931; remainder became part of SR 27
SR 143 15.2524.54 US 202 / SR 9 in DixmontSR 222 in Stetson c.1937current
SR 144 SR 107 (now SR 4) in RangeleyUS 201 (now US 201A) in North Anson 1925c.1933 Became part of SR 16
SR 144 SR 16 in OquossocHaines Landing 1937c.1951 Became part of SR 4
SR 144 8.4213.55 West Shore Road in WestportUS 1 in Wiscasset 1954current
SR 145 10.1516.33 SR 4 in StrongSR 142 near Kingfield 1925current
SR 146 6.3310.19 SR 27 in New PortlandSR 16 in New Portland 1925current
SR 147 15.024.1 US 2 / US 201 in SkowheganUS 201 in Solon 19251954 Redesignated US 201 after the designation of US 201A in 1954
SR 148 19.2230.93 SR 43 in IndustryUS 201 in Madison 1925current Western segment formerly SR 43A
SR 149 16.0825.88 SR 4 in StrongSR 142 in Phillips 1951current
SR 150 50.8181.77 US 2 in SkowheganSebec Lake in Willimantic 1925current
SR 151 30.4549.00 US 2 in PalmyraSR 16 near Wellington 1925current
SR 152 20.3132.69 SR 11 / SR 100 in PittsfieldSR 150 in Cambridge 1925current
SR 153 4.667.50 SR 6 / SR 16 in Dover-FoxcroftGreeley's Landing in Dover-Foxcroft c.1933current
SR 154 20.2132.52 SR 151 near WellingtonSR 23 in Ripley c.1933current
SR 155 34.4155.38 SR 11 / SR 221 in BradfordUS 2 / SR 6 in Lincoln 1955current
SR 156 23.1637.27 SR 142 in WeldSR 41 in Chesterville 1929current
SR 157 22.4636.15 SR 11 in MillinocketUS 2 in Mattawamkeag 1925current
SR 158 4.427.11 SR 11 in ShermanUS 2 in Sherman 1925current
SR 159 20.6833.28 Shin Pond Village in Mt. ChaseUS 2 in Island Falls 1925current
SR 160 32.6452.53 SR 5 in LimerickSR 117 in Denmark 1933current
SR 161 83.03133.62 Route 190 in Carlingford, NB
(Fort Fairfield - Andover Border Crossing)
Frank Mack Road in Allagash 1925current
SR 162 16.9727.31 SR 161 near St. AgathaUS 1 in Frenchville 1925current
SR 163 29.2247.03 SR 11 in AshlandSR 167 in Presque Isle 1925current
SR 164 23.6338.03 US 1 in Presque IsleUS 1 in Caribou 1925current
SR 165 US 1 in EastonUS 1A in Fort Fairfield 19251983 Redesignated US 1A in 1983
SR 166 7.3411.81 Main Street in CastineSR 175 in Penobscot c.1940current Originally designated SR 202 in 1925; renumbered SR 166E in 1939, then SR 166 in 1940-1
SR 167 12.9820.89 US 1 in Presque IsleUS 1A in Fort Fairfield 1936current
SR 168 10.1816.38 SR 6 in LeeUS 2 in Winn 1925current
SR 169 24.2238.98 SR 6 / SR 170 in SpringfieldUS 1 in Danforth 1925current
SR 170 20.3732.78 SR 6 / SR 169 in SpringfieldUS 2 in Macwahoc 1925current
SR 171 17.8328.69 SR 169 in PrentissUS 2A in Reed Plantation 1925current
SR 172 22.6636.47 SR 175 in SedgwickUS 1 / SR 3 in Ellsworth c.1933current
SR 173 21.0333.84 US 1 in LincolnvilleSR 220 in Liberty 1953current
SR 174 3.86.1 US 1A in ProspectUS 1 / SR 3 in Prospect 1931current
SR 175 46.1674.29 SR 15 / SR 172 / SR 176 in Blue HillUS 1 / SR 3 / SR 15 in Orland 1925current
SR 176 38.2761.59 SR 175 in BrooksvilleUS 1 / SR 3 in Orland 1925current
SR 177 6.9811.23 SR 175 in PenobscotSR 15 / SR 172 / SR 176 in Blue Hill 1925current
SR 178 13.2721.36 State Street / SR 9 in BrewerUS 2 in Milford 1925current
SR 179 22.3435.95 US 1A in EllsworthSR 9 in Aurora 1925current
SR 180 20.132.3 US 1A in EllsworthSR 9 in Clifton 1925current
SR 181 12.4620.05 SR 180 in OtisSR 9 in Amherst 1925current
SR 182 23.537.8 US 1 in HancockUS 1 in Cherryfield 1925current
SR 183 5.458.77 US 1 in SullivanSchoodic Beach Road in Sullivan c.1937current
SR 184 8.6413.90 Lamoine Beach in LamoineUS 1 in Ellsworth 1925current
SR 185 3.695.94 Waukeag Avenue in SorrentoUS 1 in Sullivan 1925current
SR 186 16.1325.96 US 1 in GouldsboroUS 1 in Gouldsboro 1925current
SR 187 22.8536.77 US 1 in Columbia FallsUS 1 in Jonesboro 1925current
SR 188 15.625.1 SR 155 in EnfieldLord Brook Road near Burlington c.1933current
SR 189 11.1918.01 US 1 in WhitingRoute 774 on Campobello Island, NB
(Franklin D. Roosevelt Bridge)
1925current
SR 190 7.0911.41 Water Street in EastportUS 1 in Perry 1925current
SR 191 61.5899.10 SR 189 in LubecUS 1 / SR 9 near Baileyville 1925current
SR 192 20.3932.81 US 1 in MachiasSR 9 in Wesley 1925current
SR 193 19.1130.75 US 1 in CherryfieldSR 9 near Beddington c.1933current
SR 194 16.6826.84 SR 27 in PittstonSR 215 in Newcastle 1951current
SR 195 8.9914.47 Crowley Island Road in GouldsboroUS 1 in Gouldsboro c.1946current Duplicate number; not renumbered after I-195 was opened in 1983
SR 196 19.4231.25 US 202 / SR 11 / SR 100 in LewistonUS 1 in Brunswick 1925current
SR 197 20.5233.02 SR 9 / SR 126 in SabattusSR 27 / SR 127 in Dresden 1925current
SR 198 10.7917.36 Main Street in Mount DesertSR 3 in Bar Harbor 1925current
SR 199 10.5717.01 SR 166 in CastineSR 15 in Penobscot 1925current
SR 200 17.9728.92 US 1 in SullivanSR 179 in Waltham 1925current
SR 201 9.5315.34 US 201 in BowdoinUS 201 in Richmond c.1937c.1946 Proposed alternate for US 201 but was never approved by AASHTO; renumbered SR 138 in 1946-7
SR 202 Main Street in CastineSR 175 in Castine (now SR 166 / SR 199) 19251939 After US 202 was designated; SR 202 was renumbered SR 166E in 1939, then to SR 166 in 1940-1
SR 203 4.627.44 SR 131 in WaldoSR 139 in Brooks c.1953current
SR 204 6.510.5 SR 3 in TrentonSeal Point / Marlboro Beach Roads in Lamoine 1936current
SR 205 10.7917.36 SR 167 in Presque IsleSR 161 in Caribou c.1937current
SR 206 1.62.6 SR 17 in WashingtonSR 105 in Washington c.1933current
SR 207 2.944.73 SR 77 in ScarboroughUS 1 / SR 9 / SR 114 in Scarborough 1925current
SR 208 7.2911.73 Lester B. Orcutt Blvd. in BiddefordSR 9 / SR 111 in Biddeford 1925current Mostly overlapped by SR 9
SR 209 16.0325.80 Popham Beach in BiddefordUS 1 in Bath 1925current
SR 210 6.209.98 US 1 / SR 164 in Presque IsleUS 1 in Presque Isle 1925c.2007 All signage removed as of October 2007
SR 211 6.710.8 SR 134 in Mount Vernon (now SR 41)SR 27 in Belgrade c.19331957
SR 212 10.2816.54 SR 11 in Moro PlantationUS 2 in Smyrna 1925current
SR 213 9.3515.05 SR 215 in NewcastleSR 126 in Jefferson c.1933current
SR 214 9.9616.03 SR 191 in MeddybempsUS 1 in Pembroke c.1933current
SR 215 17.4328.05 US 1 Bus. in NewcastleSR 32 in Jefferson c.1933current
SR 216 2.33.7 Small Point in PhippsburgSR 209 in Phippsburg 1928current
SR 217 1.221.96 Kenyon / Sebasco Roads in PhippsburgSR 209 in Phippsburg 19282007 Designation of Sebasco Road between Kenyon Road and SR 209; all signage was removed as of March 2007
SR 218 20.9633.73 US 1 / SR 27 in WiscassetSR 17 / SR 32 in Whitefield c.1933current
SR 219 35.156.5 Greenwood Road in GreenwoodSR 133 in Wayne c.1933current
SR 220 66.66107.28 SR 97 in FriendshipSR 11 / SR 100 in Wayne 1929current
SR 221 16.0525.83 SR 15 in BangorSR 11 / SR 155 in Bradford c.1931current
SR 222 27.6544.50 SR 7 / SR 11 / SR 43 in CorinnaUS 2 / SR 100 in Bangor 1936current
SR 223 6.4510.38 SR 89 in CaribouUS 1A in Limestone c.1931current
SR 224 2.093.36 SR 11 / SR 11A / SR 109 in SanfordUS 202 / SR 4A in Sanford c.1933current
SR 225 5.659.09 SR 27 in RomeSR 8 / SR 137 in Smithfield 1932current
SR 226 5.508.85 SR 27 / SR 126 in RandolphSR 17 in Chelsea 1934current
SR 227 24.5139.45 SR 11 in AshlandSR 163 in Presque Isle c.1939current
SR 228 16.9327.25 SR 164 in WashburnSR 161B in Caribou c.1939current
SR 229 1.963.15 US 1A in LimestoneRoute 375 in Grand-Sault, NB
(Limestone - Gillespie Portage Border Crossing)
c.1939current
SR 230 14.2422.92 SR 3 in TrentonUS 1 / SR 3 in Ellsworth c.1946current
SR 231 11.5218.54 SR 115 in North YarmouthUS 202 / SR 4 / SR 100 in New Gloucester 1954current
SR 232 9.315.0 SR 26 in WoodstockUS 2 in Rumford 1955current
SR 233 5.859.41 SR 3 / SR 198 in Mount DesertSR 3 in Bar Harbor 1956current
SR 234 18.6730.05 SR 145 / SR 149 in StrongUS 201A / SR 8 in Anson 1956current
SR 235 23.7138.16 US 1 in WaldoboroSR 52 / SR 173 in Lincolnville 1957current
SR 236 15.825.4 SR 103 in KitterySR 9 in Berwick 1957current
SR 237 8.1813.16 SR 25 in GorhamSR 35 in Standish 1957current Originally designated SR 95 in 1946-7; renumbered SR 237 after I-95 was designated in 1957
SR 238 3.766.05 SR 27 in SouthportSR 27 in Southport 1975current
SR 701 2.03.2 US 1 / SR 9 in ScarboroughI295 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 1.82.9 I95 in South PortlandUS 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

Special routes

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
SR 4A 6.510.5 SR 4 / SR 109 in SanfordUS 202 / SR 4 / SR 111 in Alfred c.1946current Southern segment; originally designated SR 4 in 1940-1; designation swapped with current SR 4 in 1946-7.
SR 4A 4.06.4 US 202 / SR 4 / SR 35 in HollisUS 202 / SR 4 in Buxton c.1937current Northern segment; formerly US 202 / SR 4
SR 5A 2.13.4 SR 5 in LovellSR 5 in Lovell 1960c.2003
SR 9A 11.2818.15 SR 9 in WellsSR 9 / SR 35 in Kennebunk c.1933current
SR 9B 4.146.66 SR 9 in WellsUS 1 in Wells c.1933current
SR 11A 3.35.3 US 202 / SR 11 in SanfordSR 11 / SR 109 / SR 224 in Sanford 1931current Southern segment
SR 11A 6.710.8 SR 11 in CharlestonSR 11 / SR 221 in Bradford c.1980current Northern segment; formerly SR 11
SR 11B 0.30.5 SR 11 / SR 157 in MillinocketSR 11 / SR 221 in Millinocket

SR 15 Bus.
2.84.5 I395 / SR 15 in BrewerI95 / SR 15 in Bangor c.2005current Formerly SR 15
SR 15A SR 15 in CorinthSR 15 in Charleston 19501960 Redesignated SR 15 in 1960

SR 24 Bus.
4.36.9 SR 24 in BrunswickSR 24 in Topsham 2014current

SR 25 Bus.
2.84.5 SR 25 in WestbrookSR 25 in Portland c.1977current Formerly SR 25
SR 26A 1.62.6 US 202 / SR 4 / SR 26 / SR 100 / SR 115 in GraySR 26 in Gray 2006current
SR 35A 4.77.6 SR 35 in StandishSR 25 / SR 35 in Standish c.1937c.2002 Formerly SR 35; now unnumbered Cape Road west of SR 25
SR 43A 11.318.2 SR 43 in IndustrySR 43 in Anson 1936c.1946 Renumbered as an extension of SR 148 in 1946-7
SR 100A 5.18.2 US 201 / SR 100 / SR 137 in WinslowSR 100 / SR 139 in Benton
SR 102A 6.710.8 SR 102 in TremontSR 102 in Southwest Harbor

SR 137 Bus.
3.014.84 SR 137 in WinslowSR 11 / SR 104 / SR 137 in Waterville 1997current Formerly SR 137
SR 161B US 1 / SR 161 in CaribouSR 161 in Caribou 2012current 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 3.776.07 SR 166 in CastineSR 166 in Castine c.1946current Originally designated SR 166W; renumbered in 1946-7
SR 172A 11.318.2 SR 172 in Stonington (now SR 15)SR 172 in Deer Isle (now SR 15) c.19401963 Decommissioned when SR 172 was truncated in 1963; now unnumbered roads
SR 228T 0.61.0 SR 164 in WashburnSR 228 in Washburn 1964c.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

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

References

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