Highway marker photo
Illinois 23
Illinois Highway Ends Logo Illinois 22   Illinois 24

Illinois State Route 23

Illinois 23 goes from Harvard south to Pontiac west of Chicagoland. Although it runs a good distance it is not a truly major route. One evidence is that of the three Interstate routes it crosses, there is only one that has an interchange with Illinois 23 (I-80). The original routing of route 23 from the 1920s is similar to the current one, but it only extended as far south as Streator. It also went up to the Wisconsin line on current US 14.
 
Illinois 23: Pontiac (Illinois 116) < 137 miles > Harvard (US 14)

Google Map of Illinois 23

 


Cities Served: De Kalb, Genoa, Harvard, Marengo, Ottawa, Pontiac, Streator, Sycamore, Waterman
Counties Served: DeKalb, La Salle, Livingston, McHenry
Multiplexes: US 34, US 52, Illinois 64, Illinois 71, Illinois 72
Ending at Ill. 23: Illinois 67, Illinois 170, Illinois 176
Related Links: » Illinois Route 23 from Wikipedia
  » Rich Carlson's Illinois Highway Page 21-40


  Northern Terminus: Harvard   at US 14
      End Photographs
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Looking north
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Looking south from US 14
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A closer view of the end sign
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Looking northwest on US 14 at route 23
Google Map   |
Tiger Map   |
USGS Aerial Imagery  

  Southern Terminus: Pontiac   at Illinois 116
      End Photographs
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Looking south to route 116
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From a quarter mile north, a view of the southern terminus
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Looking north where route 23 begins
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A closer look at the end sign
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Looking north from route 116
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Northbound on Illinois 116 where Illinois 23 begins
Google Map   |
Tiger Map   |
USGS Aerial Imagery  

  Multiplex Photographs:
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Ill. 23/Ill 71: Looking west on US 6
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Ill. 23/Ill. 64: Looking west on W. State Street in Sycamore
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Ill. 23/US 34: Looking west in La Salle County
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Ill. 23/US 52: Looking east in La Salle County
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Ill. 23/Ill. 72 52: Looking west east of Genoa
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Ill. 23/Ill. 71: Southbound in Ottawa
Illinois 22 Illinois 24
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