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Decommissioned Interstates

This set of Interstates includes those that were either signed at one point and legislatively decommissioned, renumbered as another Interstate, or planned and subsequently canceled. As planning documents arise either through library research, the internet, or other sources, expansion of the list below will occur with this information and photos as they are taken.

The following code indicates whether the Interstate was Dismantled (D); Partially Completed (P); Renumbered as another Interstate or freeway designation, U.S., or state route (R); Unconstructed (U); or Numbering Proposed but Not Approved by AASHTO (N).

Interstate South/West Terminus North/East Terminus Code Current Designation
5WCAVernalisDunniganRI-580, I-80, I-505
305ORSalemKeizerRI-305*
505ORPortlandPortlandP
210ALMobilePrichardP
410LAwest of Port AllenWalkerR, PI-110
410LAKennerNew Orleans EastR, PI-310, I-510
15ECAMurrietaDevoreRI-215
15WIDHeyburnPocatelloRI-86
415UTMurrayEast MillcreekRI-215
420GAAtlantaGresham ParkU
420LAMonroe BypassU
326SCInterstate 26 near ColumbiaSouth Carolina 48RI-77
35WKSWichitaSalinaRI-135
335MNMinneapolis - Urban LoopU
340NCSanfordRaleighNU.S. 1
440OKOklahoma CityOklahoma CityRI-44
244MOMehlvilleBridgetonRI-270
255TNMemphisDowntown MemphisRI-240
455ILBolingbrookItascaRI-355
755 MOnorth of downtown Saint Louissouth of downtown Saint LouisU
164INEvansvillenear ElberfeldRI-69
265TNNashvilleNashvilleRI-65
70NMDFrederickBaltimoreRI-70
70SMDFrederickBethesdaRI-270
70SPAWashingtonNew StantonRI-70
170MDwest of downtown BaltimoreDowntown BaltimoreR, PU.S. 40
470COGoldenCentennialRC-470
172ILQuincySpringfieldRI-72
174IL, IAMoline, ILBettendorf, IAN
274IL, IAI-74/80 near Coloma, ILNW of Davenport, IARI-280
75EFLEllentonLutzRI-75
175GAAlbanyCordeleRGA 300*
475TNInterstate 40/75Interstate 75U--
178PADowntown AllentownHanover TownshipU--
378PADowntown Bethlehemnorthern BethlehemRPA 378
80NOR, ID, UTPortlandEcho JunctionRI-84
80NIALovelandMindenRI-680
80NOHNorwalkYoungstownP
80SCO, NEDenver, COBig Springs, NERI-76
80SOH, PA, NJNorwalk, OHCamden, NJRI-76
180NIDBoiseDowntown BoiseRI-184
180CASan RafaelRichmondRI-580
280NE, IAOmahaCouncil BluffsRI-680
480CAwestern San Franciscoeastern San FranciscoD
580NEOmahanorthern OmahaRU.S. 75
880CAWest SacramentoSacramentoRI-80
81EPAPocono SummitScrantonRI-380
181 TNColonial HeightsKingsportRI-26
281NYSyracuse BypassRI-481
184RIProvidenceCranstonR
284CTEast HartfordSouth WindsorP
484CTDowntown HartfordDowntown HartfordP
185NCLexingtonWinston-SalemNI-285
485GADowntown AtlantaClarkstonP
86CT, MAWethersfieldSturbridgeRI-84
687NYI-87 north of AlbanyI-90 AlbanyU
90NNYBuffaloNiagara FallsP
290OHCleveland R, UI-490
193NHBedfordManchesterRI-293
494ILChicago - Lake Shore Drive, Crosstown ExpresswayR, UU.S. 41*
195NCFayetteville LoopNI-295
495NJ/NYSecaucus, NJManhattan, NYRNJ 495
595VAWashington National AirportArlington, VAPU.S. 1*, VA-233
695MABoston Inner BeltU
695NJconnection from unbuilt I-95 to I-287 northU
695PAI-95 south PhiladelphiaI-76 PhiladelphiaU
895NJ, PASpringside, NJWest Bristol, PAU
895MAvicinity of SwanseaAttleboro, MAU
895RIWarwickSwanseaU

* = Route built to expressway/parkway/boulevard standards rather than Interstate standards (controlled access).

Page Updated May 13, 2014.

 
 
Interstate 80 westbound at U.S. 83 in Nebraska. Photo taken 09/05/05.
Nebraska was the first state to complete its Interstate system. Find more Interstate facts on the All About Interstates page.
 
Crossing the Columbia River on Interstate 5 north. Photo taken 08/27/06.
This bridge is one of a handful of draw bridges on the Interstate system. Find more Interstate facts on the All About Interstates page.
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