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All Points In Maine: The Maine Highways Route Log

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"All points" and acknowledgements

We are proud to offer a complete (but always being updated) log of Maine state routes, US highways and Interstates past and present. The information in the most current route log was graciously provided by Mr Herb Thomson of the MDOT Office of Communications and his staff, who were kind enough to provide a complete listing of routes, termini and total miles as well as basic historical information. A big thank-you is also due to Eric Bryant, who contributed many observations from his own map archive and reports from the field.

What this list has

Bibliography for this log

These items are all in my personal possession, except for online resources. Due to directly contradictory information in the AADT reports compared with official MDOT routing tables, I have intentionally not used them as a definitive resource for routings except if no more reliable source is available.

Legend, conventions and disclaimers

Where divided alignments exist, they are grouped with the main route except if internally suffixed (see below). Routes are sorted with business alignments mated to the mother route; for example, 1B will sort above 1A, and so on.

Certain entries are suffixed, and all suffixes receive separate entries, with legend as follows: A = alternate, B and C = business (except 9B), BYP = bypass (for US 1BYP only, not an official MDOT suffix), SH = state highway (for disambiguation in number, not an official MDOT suffix), E/W = alternate split highways (obsolete, 166E and 166W only), S/W = alternative south and westbound alignments for divided highways (except 166W), T = truck routing (not an official MDOT suffix), X = mainline (i.e., referring to the main unsuffixed route, for disambiguation in termini). Except for A, B and BYP, suffixes are usually internal designations only and typically unsigned, but may be bannered (C).

Descriptions of termini may be truncated or abbreviated due to limitations in record-keeping. Although signage in the field is useful, it is done often from a guidance or convenience perspective, and a signed terminus in some cases does not actually correspond to the administrative terminus. Also, dates of alignment changes may only be approximate or even utterly wrong; for many highways this has to be painstakingly gleaned from comparison of accumulative mileage logs, a method fraught with peril as older logs may be comparatively imprecise due to less optimal methods of measure. In particular, a modest but noticible shift in measuring technique occurred by the 1949 logs, making comparison with alignment lengths taken prior to that year much more difficult. Dates are based on the general principle that a change appearing on log dated year X likely occurred in year (X-1) to make it into that published edition, but this rule might break down for double-year issue dates. Map inferences or first-person reports may also be used to time-fix a particular change. Probable earlier alignments should similarly be considered with care, and their presence in this section does not necessarily mean that they are still driveable.

For approximately five years (on 1956-1960 route logs), the official map route logs didn't list highways shorter than 10 miles. This means very short highways or highways that were cut down during this period may have inversely wide realignment intervals since the precise year can't be fixed with any more detail, unless other map data is available.

Maine loves its multiplexes and making sure the cross-references match for an alignment with multiple routes signed over it is a thorn of huge proportions. Often finding the history of a particular alignment may require reading several entries which may not necessarily even be connected. Sorry about that; I'm trying to improve this.

Remember that routing and alignment do not mean the same thing. If you don't understand the difference, please see the Roadgap glossary.

A project this large means there are inevitable errors. I gratefully accept any verifiable corrections.

  • Interstate Highways
  • Interstate 95 Interstate 195 Interstate 295
    Interstate 395 Interstate 495
  • US Highways
  • US Highway 1
    Alternate US Highway 1 (US 1A)
    US Highway 201
    Alternate US Highway 201 (US 201A)
    US Highway 56
    US Highway 2
    Alternate US Highway 2 (US 2A)
    US Highway 202
    US Highway 302
  • Major State Highways
  • State Route 3 State Route 9 State Route 11
    State Route 15 State Route 27 State Route 100
  • All Highways
  • 1 1B 1SH 1A 1AB 1ASH 1BYP 1C 2 2SH
    2A 3 4 4A 4S 5 5B 5A 5S 6
    7 8 9 9B 9A 9W 10 11 11A 11S
    15 15A 15S 16 17 17S 18 22 23 24
    25 25C 25W 26 26A 27 32 35 35A 37
    41 43 43A 46 52 56 69 73 77 77W
    85 86 88 89 90 91 92 93 94 95
    95SH 96 97 98 99 100 100A 100S 101 102
    102A 103 104 105 106 107 108 109 110 111
    112 113 113B 114 115 116 117 118 119 120
    121 122 123 124 125 126 127 128 129 130
    131 132 133 134 135 136 137 137C 138 139
    140 141 142 143 144 145 146 147 148 149
    150 151 152 153 154 155 156 157 158 159
    160 161 162 163 164 165 166 166A 166E 166W
    167 168 169 170 171 172 172A 173 174 175
    176 177 178 179 180 181 182 183 184 185
    186 187 188 189 190 191 192 193 194 195
    195SH 196 196S 197 198 199 200 201 201SH 201A
    202 202SH 203 204 205 206 207 208 209 210
    211 212 213 214 215 216 217 218 219 220
    221 222 223 224 225 226 227 228 228T 229
    230 231 232 233 234 235 236 237 238 295
    302 395 495 703

    Routing information is property of the Maine Department of Transportation, based on most current data available at time of this writing. No warranty or guarantee is expressed or implied regarding this routing's suitability for travel or resemblance to fact. RoadsAroundME is not affiliated with, sponsored by or funded by the taxpayers of the state of Maine, or the Maine Department of Transportation.

    All images, photographs and multimedia, unless otherwise stated, are copyright © 2005-2009 Cameron Kaiser. All rights reserved. All writeups are copyright © 2005-2009 Cameron Kaiser. All rights reserved. Unauthorized copying or duplication without express consent of the copyright holder is strictly prohibited. Please contact the sitemaster to request permission if you wish to use items from this page.

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