Maine State Route 100
State Route 100 (SR 100) is a state highway in the U.S. state of Maine, running from Portland to Bangor.
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|---|---|---|---|---|
 Route of SR 100 highlighted in red | ||||
| Route information | ||||
| Maintained by MaineDOT | ||||
| Length | 139.93 mi[1] (225.20 km) | |||
| Existed | 1925, 1935 (current routing)–present | |||
| Major junctions | ||||
| South end | Forest Avenue / Cumberland Avenue in Portland | |||
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| North end |  | |||
| Location | ||||
| Counties | Cumberland, Androscoggin, Kennebec, Waldo, Somerset, Penobscot | |||
| Highway system | ||||
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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 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.[2]
Major junctions
| County | Location | mi[1] | km | Destinations | Notes | |||
|---|---|---|---|---|---|---|---|---|
| Cumberland | Portland | 0.00 | 0.00 | Cumberland Avenue / Forest Avenue | ||||
| 0.39– 0.60 | 0.63– 0.97 |    | Exit 6 (I-295); southern end of US 302 concurrency | |||||
| 1.45 | 2.33 |   | Southern end of SR 9 concurrency | |||||
| 1.54 | 2.48 | | Northern end of SR 9 concurrency | |||||
| 2.79 | 4.49 | | Northern end of US 302 concurrency | |||||
| 3.62 | 5.83 |  | Southern end of SR 26 concurrency | |||||
| Falmouth | 5.95– 6.00 | 9.58– 9.66 |   | Exit 53 (I-95) | ||||
| Gray | 16.74– 16.77 | 26.94– 26.99 |     | Southern end of US 202 / SR 4 concurrency; southern terminus of SR 26A | ||||
| 16.79 | 27.02 | | Northern end of SR 26 concurrency | |||||
| New Gloucester | 24.36 | 39.20 |  | Northern terminus of SR 231 | ||||
| Androscoggin | Auburn | 27.01 | 43.47 |  | Eastern terminus of SR 122 | |||
| 27.99– 28.13 | 45.05– 45.27 | | Exit 75 (I-95) | |||||
| 32.08– 32.13 | 51.63– 51.71 |   | Southern end of SR 11 concurrency; eastern terminus of SR 121; access from southbound US 202 / SR 4 only | |||||
| 32.77 | 52.74 | | Northern end of SR 4 concurrency | |||||
| 33.04 | 53.17 |  | Northern terminus of SR 136 (southbound direction of SR 136) | |||||
| 33.11 | 53.29 | | Northern terminus of SR 136 (northbound direction of SR 136) | |||||
| Lewiston | 33.45– 33.47 | 53.83– 53.86 |  | Northern terminus of SR 196 (southbound direction of SR 136) | ||||
| 33.49 | 53.90 | | Northern terminus of SR 196 (northbound direction of SR 136) | |||||
| 33.67– 33.70 | 54.19– 54.23 |  | Western terminus of SR 126 | |||||
| 34.53– 34.61 | 55.57– 55.70 | Russell Street - | Interchange | |||||
| Leeds | 45.45 | 73.14 |  | Southern terminus of SR 106 | ||||
| Kennebec | Monmouth | 49.55 | 79.74 |  | Northern terminus of SR 132 | |||
| Winthrop | 52.71– 52.98 | 84.83– 85.26 |   | Interchange; southern termini of SR 41 / SR 133 | ||||
| 55.96 | 90.06 |  | ||||||
| 56.08 | 90.25 | | ||||||
| Manchester | 59.31 | 95.45 |  | Southern end of SR 17 concurrency | ||||
| Augusta | 61.89– 62.14 | 99.60– 100.00 | | Exit 109 (I-95) | ||||
| 63.62– 63.67 | 102.39– 102.47 |    | Memorial Circle; southern end of US 201 concurrency; northern end of SR 11 concurrency; southern terminus of SR 8 | |||||
| Kennebec River | 63.93– 64.30 | 102.89– 103.48 | Memorial Bridge | |||||
| Kennebec | Augusta | 64.35– 64.44 | 103.56– 103.71 |  | 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 | | Northern end of US 202 / SR 9 concurrency | |||||
| 65.67– 65.69 | 105.69– 105.72 |  | ||||||
| Winslow | 80.87 | 130.15 |  | |||||
| 81.81 | 131.66 |   | Southern end of SR 137 Bus. Concurrency | |||||
| 81.94 | 131.87 |  | Southern terminus of SR 100A | |||||
| Waterville | 82.61– 82.67 | 132.95– 133.04 |  | Northern end of SR 137 Bus. Concurrency | ||||
| 83.06 | 133.67 |  | Southern end of SR 11 concurrency; intersection with SR 104 in southbound lanes only | |||||
| Somerset | Fairfield | 86.10– 86.14 | 138.56– 138.63 |  | Northern end of US 201 concurrency; southern end of SR 139 concurrency | |||
| Kennebec | Benton | 88.25– 88.28 | 142.02– 142.07 | | Northern terminus of SR 100A | |||
| 88.33 | 142.15 | | Northern end of SR 139 concurrency | |||||
| Waldo |
No major junctions | |||||||
| Somerset | Pittsfield | 105.54 | 169.85 |  | Western terminus of SR 69 | |||
| 105.61 | 169.96 |  | Southern terminus of SR 152 | |||||
| Palmyra | 109.59 | 176.37 |  | Northern terminus of SR 220 | ||||
| 111.78– 112.07 | 179.89– 180.36 | | Exit 157 (I-95) | |||||
| Penobscot | Newport | 112.27– 112.37 | 180.68– 180.84 |  | Southern end of US 2 / SR 7 concurrencies; northern end of SR 11 concurrency | |||
| 115.86 | 186.46 | | Northern end of SR 7 concurrency | |||||
| Etna | 121.44 | 195.44 |  | |||||
| Carmel | 124.71 | 200.70 | | |||||
| Bangor | 137.19– 137.30 | 220.79– 220.96 |   | Western terminus of I-395, exits 1A-B; cloverleaf interchange. | ||||
| 138.28– 138.43 | 222.54– 222.78 | | Exit 183 (I-95) | |||||
| 139.62 | 224.70 |  | Eastern terminus of SR 222 | |||||
| 139.93 | 225.20 | | ||||||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | ||||||||
Alternate route
| |
|---|---|
| Location | Winslow–Benton |
| Length | 5.16 mi[1] (8.30 km) |
| Existed | 1954–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.[3]
Route 100A's alignment was formerly part of SR 32, before SR 32 was truncated in 1954[4] 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
- "Maine DOT Map Viewer". Maine Office of GIS. Retrieved September 16, 2017.
- Google (September 17, 2017). "Maine State Route 100" (Map). Google Maps. Google. Retrieved September 17, 2017.
- Google (September 17, 2017). "Maine State Route 100A" (Map). Google Maps. Google. Retrieved September 17, 2017.
- Floodgap Roadgap's RoadsAroundME: Maine State Route 100A Archived 2012-03-12 at Archive.today
External links
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