Marker Photo
SR 18
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State Road 18

SR 18 crosses the the state from near Ohio to Illinois. The only major city it goes through is Marion. For a portion of SR 18 from Marion to I-69 and where it multiplexes with US 52, it is a four-lane divided highway. For the remainder of the route, SR 18 is a fairly narrow two-lane highway.
 
SR 18: Illinois State Line - west of Fowler () < 141.1 miles > Bryant (US 27)

Google Map of SR 18

 


Cities Served: Brookston, Bryant, Converse, Delphi, Flora, Fowler, Galveston, Marion, Montpelier, Sweetser
Counties Served: Benton, Blackford, Carroll, Cass, Grant, Jay, Miami, White
INDOT County Flow Maps (AADT): Benton, Blackford, Carroll, Cass, Grant, Jay, Miami, White
Branches: SR 118, SR 218, SR 318
Multiplexes: SR 13, SR 19, SR 25, SR 29, SR 39, SR 43, US 52, SR 55, US 421
Ending at SR 18: SR 19
NHS: Only part that is multiplexed with SR 25 in Carroll County
Expressway: East side of Marion to I-69
Related Link: » Indiana State Road 18 from Wikipedia
Scanned maps:Map icon » 1927 AAA Map
» Map of SR 18 eastern end (1931)



Full Route

Cities Served:Bryant, Flora, Fowler, Galveston, Marion, Montpelier, Sweetser
Counties Served:Benton, Blackford, Carroll, Cass, Jay, Miami, White
 
 
  Eastern Terminus: Bryant   at US 27
      End Photographs
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A closup of the end sign assembly
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Looking west from SR 67/US 27
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Looking east - SR 67 continues where SR 18 ends
Google Map  

  Western Terminus: - west of Fowler at
      End Photographs
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Looking south along the state line where SR 18 officially ends
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Looking east at the state line
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Looking north along the Illinois-Indiana state line where SR 18 actually begins
Google Map  

  Multiplex Photographs:
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SR 18/SR 29: Looking north at Sharon in Carroll County. (2004)
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SR 13/SR 18: Looking east just east of Converse.
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SR 18/SR 39/US 421: Looking east at the tri-plex west of Delphi (2004)
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SR 18/SR 43: Looking north in Brookston (2004)
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SR 18/US 52/SR 55: Looking northwest in Fowler
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SR18/SR25/SR39/US421: Looking west in Delphi
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SR 18/SR 25/SR 39/US 421: Looking southwest in central Delphi (2006)
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SR 18/SR 19: Westbound in Converse (2008)

  Other Photographs:
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Looking east on the portion of SR 18 east of Marion where it is an expressway

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