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Maine State Route 100

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State Route 100 marker
State Route 100
Map
Route of SR 100 highlighted in red, SR 100A in blue
Route information
Maintained by MaineDOT
Length139.93 mi[1] (225.20 km)
Existed1925, 1934 (current routing)[2]–present
Major junctions
South endForest Avenue / Cumberland Avenue in Portland
Major intersections
North end US 2 in Bangor
Location
CountryUnited States
StateMaine
CountiesCumberland, Androscoggin, Kennebec, Waldo, Somerset, Penobscot
Highway system
SR 99 SR 101

State Route 100 (SR 100) is a state highway in the U.S. state of Maine, running from Portland to Bangor.

The south end of SR 100 is at the intersection of Forest Avenue and Cumberland Avenue in downtown Portland. Its north end is at the intersection of Hammond Street, Main Street, State Street and Central Street in downtown Bangor; SR 100 runs along Hammond Street with U.S. Route 2 (US 2) which continues across Main Street/Central Street onto State Street.

The majority of SR 100 is concurrent with other routes: US 302 from downtown Portland to northern Portland, SR 26 from northern Portland to Gray, US 202 from Gray to Augusta, US 201 from Augusta to Fairfield, SR 11 from Fairfield to Newport, and US 2 from Newport to downtown Bangor. The only parts of SR 100 that do not run along another route are in Portland, first (as Forest Avenue) between its southern terminus and the Interstate 295/US 1 interchange (where US 302 begins) and between US 302 and SR 26 where it is alone on a small piece of Allen Avenue.[3]

Major junctions

[edit]
CountyLocationmi[1]kmDestinationsNotes
CumberlandPortland0.000.00Cumberland Avenue / Forest Avenue
0.39–
0.60
0.63–
0.97

I-295 / US 1 / US 302 begins – Falmouth, South Portland
Exit 6 (I-295); southern end of US 302 concurrency
1.452.33
SR 9 south (Woodford Street) / Deering Avenue
Southern end of SR 9 concurrency
1.542.48
SR 9 north (Ocean Avenue) / Saunders Street
Northern end of SR 9 concurrency
2.794.49
US 302 west (Forest Avenue) – Westbrook
Northern end of US 302 concurrency
3.625.83
SR 26 south (Washington Avenue) / Allen Avenue – Falmouth
Southern end of SR 26 concurrency
Falmouth5.95–
6.00
9.58–
9.66
I-95 / Maine Turnpike – Kittery, Boston, Old Orchard Beach, Lewiston, AugustaExit 53 (I-95)
Gray16.74–
16.77
26.94–
26.99





US 202 west / SR 4 south / SR 115 / SR 26A north (Gray Road / Yarmouth Road) to I-95 / Maine Turnpike – Windham
Southern end of US 202 / SR 4 concurrency; southern terminus of SR 26A
16.7927.02
SR 26 north (Shaker Road) – Norway
Northern end of SR 26 concurrency
New Gloucester24.3639.20
SR 231 south (Intervale Road) / Bald Hill Road – New Gloucester
Northern terminus of SR 231
AndroscogginAuburn27.0143.47
SR 122 west (Poland Spring Road) / Moose Brook Road – Poland
Eastern terminus of SR 122
27.99–
28.13
45.05–
45.27
I-95 / Maine Turnpike – Portland, Boston, Lewiston, AugustaExit 75 (I-95)
32.08–
32.13
51.63–
51.71


SR 11 south / SR 121 west (Minot Avenue) – Minot, Mechanic Falls
Southern end of SR 11 concurrency; eastern terminus of SR 121; access from southbound US 202 / SR 4 only
32.7752.74
SR 4 north (Union Street) / Court Street – Farmington
Northern end of SR 4 concurrency
33.0453.17
SR 136 south (Mechanics Row) / Turner Street
Northern terminus of SR 136 (southbound direction of SR 136)
33.1153.29 SR 136 (Main Street) / Great Falls PlazaNorthern terminus of SR 136 (northbound direction of SR 136)
Lewiston33.45–
33.47
53.83–
53.86



SR 196 south (Canal Street) to I-95 / Maine Turnpike – Lisbon, Brunswick
Northern terminus of SR 196 (southbound direction of SR 136)
33.4953.90 SR 196 (Lisbon Street) / Chapel Street AlleyNorthern terminus of SR 196 (northbound direction of SR 136)
33.67–
33.70
54.19–
54.23

SR 126 east (Sabattus Street) – Sabattus
Western terminus of SR 126
34.53–
34.61
55.57–
55.70
Russell Street -

To SR 196 / SR 126 – Lisbon, Auburn
Interchange
Leeds45.4573.14
SR 106 north
Southern terminus of SR 106
KennebecMonmouth49.5579.74
SR 132 south (Main Street) / Blaisdell Road – Monmouth
Northern terminus of SR 132
Winthrop52.71–
52.98
84.83–
85.26

SR 41 / SR 133 north (Western Avenue) – Readfield, Downtown Winthrop, Wayne
Interchange; southern termini of SR 41 / SR 133
55.9690.06
SR 135 north (Stanley Road) – Readfield, Belgrade
56.0890.25
SR 135 south (Winthrop Center Road) – East Monmouth
Manchester59.3195.45
SR 17 west (Readfield Road) / Pond Road – Readfield, Litchfield
Southern end of SR 17 concurrency
Augusta61.89–
62.14
99.60–
100.00
I-95 / Maine Turnpike – Portland, BangorExit 109 (I-95)
63.62–
63.67
102.39–
102.47



US 201 south / SR 8 north / SR 11 north / SR 27 (State Street) – Gardiner, Belgrade
Memorial Circle; southern end of US 201 concurrency; northern end of SR 11 concurrency; southern terminus of SR 8
Kennebec River63.93–
64.30
102.89–
103.48
Memorial Bridge
KennebecAugusta64.35–
64.44
103.56–
103.71




SR 9 west / SR 17 east (Stone Street) / SR 105 east to SR 27 (Cony Street) – Downtown Augusta
Cony Circle; northern end of SR 17 concurrency; southern end of SR 9 concurrency; western terminus of SR 105
65.01–
65.03
104.62–
104.66


US 202 east (North Belfast Avenue) / SR 9 north – China
Northern end of US 202 / SR 9 concurrency
65.67–
65.69
105.69–
105.72

SR 3 to I-95 – Augusta Civic Center Drive, Portland, Belfast
Winslow80.87130.15 SR 137 (Carter Memorial Drive) – Oakland, China
81.81131.66

SR 137 Bus. east (China Road) – China
Southern end of SR 137 Bus. concurrency
81.94131.87
SR 100A north (Halifax Street) – Clinton, Burnham
Southern terminus of SR 100A
Waterville82.61–
82.67
132.95–
133.04



SR 137 Bus. west (Spring Street) to Water Street south / I-95 – Oakland
Northern end of SR 137 Bus. concurrency
83.06133.67
SR 11 south / SR 104 (Elm Street / Main Street) – Oakland, Sidney
Southern end of SR 11 concurrency; intersection with SR 104 in southbound lanes only
SomersetFairfield86.10–
86.14
138.56–
138.63



US 201 north / SR 139 west (Upper Main Street) to Lawrence Avenue / I-95
Northern end of US 201 concurrency; southern end of SR 139 concurrency
KennebecBenton88.25–
88.28
142.02–
142.07

SR 100A south (Clinton Avenue) – Winslow
Northern terminus of SR 100A
88.33142.15
SR 139 east (Sebasticook Bridge Road) – Albion, Unity
Northern end of SR 139 concurrency
Waldo
No major junctions
SomersetPittsfield105.54169.85
SR 69 east (Hunnewell Avenue) – Detroit
Western terminus of SR 69
105.61169.96

SR 152 north (Somerset Avenue) to I-95 – Hartland
Southern terminus of SR 152
Palmyra109.59176.37
SR 220 south (Main Street) – Detroit
Northern terminus of SR 220
111.78–
112.07
179.89–
180.36
I-95 – Bangor, WatervilleExit 157 (I-95)
PenobscotNewport112.27–
112.37
180.68–
180.84



US 2 west (Main Street) / SR 7 north / SR 11 north (Moosehead Trail) – Skowhegan, Sugarloaf, Dexter
Southern end of US 2 / SR 7 concurrencies; northern end of SR 11 concurrency
115.86186.46

SR 7 south (Roussin Road) to Stetson Road / I-95 – Dixmont, Plymouth
Northern end of SR 7 concurrency
Etna121.44195.44 SR 143 (Lakins Road / Dixmont Road) – Stetson, Dixmont
Carmel124.71200.70
SR 69 (Plymouth Road / Hampden Road) to I-95 – Winterport
Bangor137.19–
137.30
220.79–
220.96



I-395 east to I-95 / SR 15 / Odlin Road – Newport, Orono, Bangor, Brewer
Western terminus of I-395, exits 1A-B; cloverleaf interchange.
138.28–
138.43
222.54–
222.78
I-95 / SR 15 – Newport, Augusta, Orono, HoultonExit 183 (I-95)
139.62224.70
SR 222 west (Union Street)
Eastern terminus of SR 222
139.93225.20
US 2 east (State Street) / Central Street / Main Street
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Alternate route

[edit]
State Route 100A marker
State Route 100A
LocationWinslowBenton
Length5.16 mi[1] (8.30 km)
Existed1954–present

State Route 100A (SR 100A) is a 5.2-mile (8.4 km) alternate route of SR 100 running between the towns of Winslow and Benton.[4]

Route 100A's alignment was formerly part of SR 32, before SR 32 was truncated in 1954[5] to end at SR 137 Business, near its intersection with US 201/SR 100 just south of SR 100A's current terminus. The old alignment, which connected to SR 100 at both ends, was redesignated as SR 100A (as a bypass of SR 100's alignment in Winslow and Benton).

References

[edit]
  1. ^ a b c "Maine DOT Map Viewer". Maine Office of GIS. Retrieved September 16, 2017.
  2. ^ "Bangor-Portland Will Be Linked By Route 100". The Bangor Daily News. July 20, 1934. p. 25. Retrieved July 10, 2024 – via Newspapers.com. Open access icon
  3. ^ "Maine State Route 100" (Map). Google Maps. Retrieved September 17, 2017.
  4. ^ "Maine State Route 100A" (Map). Google Maps. Retrieved September 17, 2017.
  5. ^ Floodgap Roadgap's RoadsAroundME: Maine State Route 100A Archived 2012-03-12 at archive.today[self-published source?]
[edit]
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