 Illinois 120 |
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 Illinois 119 Illinois 121 |
Illinois State Route 120Illinois 120 goes from Woodstock to Waukegan across McHenry and Lake Counties in northeast Illinois. This designation replaced Illinois 20 in McHenry and Lake Counties in the 1940s to avoid confusion with US 20. The previous Illinois 120 went from Mason City to White Heath over current Illinois 10 in the early 1930s. |
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| Illinois 120: | Woodstock (US 14) | < 35 miles > | Waukegan (Illinois 131) |
| Historic Route: | Mason City (Illinois 24) | < 64 miles > | White Heath (Illinois 10) |
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Google Map of Illinois 120 |
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| Cities Served: | Grayslake, Gurnee, McHenry, Waukegan, Woodstock | ||
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| Counties Served: | Lake, McHenry | ||
| Related Highway: | Illinois 20 |
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| Multiplex: | Illinois 31 | ||
| Ending at Ill. 120: | Illinois 59, Illinois 60, Illinois 134 | ||
| Related Links: | » Illinois Route 120 from Wikipedia | ||
| » Rich Carlson's Illinois Highway Page 101-120 | |||
Scanned maps: | » Map of Illinois 120 IN 1934 |
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Current Route:
| Cities Served: | Grayslake, Gurnee, McHenry, Park City, Round Lake Beach, Woodstock |
| Counties Served: | Lake, McHenry |
| Eastern Terminus: Waukegan at Illinois 131
End Photographs |
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Looking west down Belvidere Road |
Closeup of end sign |
View of the route 120/route 131 junction |
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| Western Terminus: Woodstock at US 14 End Photographs |
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Looking east from US 14 |
Looking west to US 14 |
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| Multiplex Photographs: |
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Ill. 31/Ill. 120: Looking northeast |
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© 2004-2009, Highway Explorer - All Rights Reserved
Interstate and US Highway Shields are courtesy of Barry Camp
Interstate and US Highway Shields are courtesy of Barry Camp