| Mad multiplexage!
  Lebanon - Sanford: [11]
  Sanford - Alfred: [4A]
  Alfred - Auburn: [4]
  Auburn - Augusta: [11]
  Augusta: {201}
  Augusta - Hampden: [9]
[4A], Hollis - Buxton
Moved to [4A] (current [4]) between 19833 and 1989
2
[4] and [4A] later switched, between 1989 and 1998.
2
Eastman Ln, Auburn
Old Hotel Rd
Hotel Rd
Manley Rd
Court St
Not likely - The 1942 Lewiston quad shows {202} cosigned with [4]
[9], {1A}, Hampden - Bangor
Mainline in 1955.
1
|
Heron Cove Rd, Phippsburg
Mainline in 1945; bypassed by 1957.
1
| Topo maps show [216] multiplexed with [209] until:
  Parker Head Rd (1990)
3
  Winnegance (1957)
1
|
|
abandoned roadway? - Phippsburg
  north of Sebasco Rd, at Long Cove Rd Junction
Present alignment appeared to be there in 1894
1
Kenyon Rd, Phippsburg
Pine Dr
abandoned roadway
Lavery Ln
This was the only option in 1894.
The abandoned section disappeared from the map between 1945 and 1957.
1
This was probably never part of the numbered highway.
| No old alignments here.
|
| No old alignments here.
|
| Rogers Rd, Kittery
Shapleigh Rd built between 1920 and 1956
1
Harold L Dow Hwy built between 1941 and 19561 ,
almost entirely on old rail grade.
  Everything north of a point about 0.2 mi S of Martin Rd / Stevenson Rd jct.
No old alignments this section.
Berwick Rd, Berwick
Saw Mill Hill
Mainline in 19581;
bypassed by 19853
| No old alignments here. But! This route was shown as:
- [114] on the 1944 Gray quadrangle. And...
- SR 95 on the 1943 Sebago Lake quad!
1
[114] is shown, in this quad, on its modern alignment. WTF, eh?
|
| abandoned roadway, Southport
  east of reservoir
  past water tower
  to S of Plummer Rd
mainline in 1893; rerouted by 1944
1
Hwy apparently not numbered until after 1988
3
Plummer Rd, Southport
[27]
mainline in 1893; bridge built by 1944
1
Hwy apparently not numbered until after 1988
3
|
| No old alignments here.
| Keene Ln, Bridgton
Appears to have been bypassed between 1911 and 1941
1
Jim Douglass Rd, Bridgton
Labeled as "Old Route 302 W" by MapQuest on 2nd highest zoom, until mid-October `05
Appears to have been bypassed by 1941
1
road name unknown, Bridgton
  East of Beaver Pond. Abandoned?
Looks like mainline, 1941 Fryeburg quad
1,
3
Kansas Rd, Naples - Bridgton
Main St, Bridgton
1949 Norway quadrangle shows this as {302}.
But 1943 Sebago Lake quad shows {302} on its present alignment. What gives?
1
Mast Cove Ln, Naples
Mainline in 1943 - dotted line @ bypass?
1
Hillside Ave, Casco - Naples
Labeled as "Old US Rte 302" in DeLorme's 2004 Portland region street atlas.
Realignment appears to be post-1943.
1
S.Casco Village Rd, Casco
abandoned roadway
Hams Hill Rd
Mainline in 1943
1
Main St, Raymond
Mainline in 1944; bypassed by 1957.
1
County Rd, Raymond
Mainline in 1892; bypassed by 1944
1
Windham Center Rd, Windham
Pope Rd
Present route there as early as 1892
1
Deering Ave, Portland
Shown on 1978 USGS map. ME-100 did not follow Deering.
3
|
| No old alignments here.
|
|
Maine Turnpike
  Interchanges 52-103
1988-2004
4
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