 Illinois 121 |
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 Illinois 120 Illinois 122 |
Illinois State Route 121Illinois 121 angles southeast from I-55 in Lincoln to US 40 in Greenup. Before I-155 was built it extended north to Morton, east of Peoria. Route 121 has undergone a number of changes in its history having gone as far west as Peoria, and as far east as Indiana. The part from Decatur to the Indiana line was eventually superceded by US 36 even though it existed as a multiplex for a few years. |
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| Illinois 121: | Greenup (US 40) | < 106 miles > | Lincoln (I-55) |
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Google Map of Illinois 121 |
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| Cities Served: | Bethany, Decatur, Greenup, Lincoln, Long Creek, Mattoon, Mount Zion, Mt. Pulaski, Sullivan, Toledo, Warrensburg | ||
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| Counties Served: | Coles, Cumberland, Logan, Macon, Moultrie | ||
| Multiplexes: | Illinois 10, Illinois 32, US 36, US 45, Illinois 48, Illinois 105 | ||
| Ending at Ill. 121: | Illinois 128 | ||
| Related Link: | » Rich Carlson's Illinois Highway Page 121-140 | ||
| Northern Terminus: Lincoln at I-55
End Photographs |
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Looking east from I-55 on Woodlawn Road |
Looking west to I-55 where Illinois 121 ends, but Illinois 10 continues |
Looking north on I-55 at Illinois 10/Illinois 121 interchange |
Looking south from the I-55 ramp |
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A closer look at the end sign approaching I-55 |
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| Southern Terminus: Greenup at US 40 End Photographs |
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Looking northeast towards route 130 in Greenup |
Looking south on route 130 in Greenup |
Looking north on route 130 toward I-70 where route 121 begins |
A closeup of the end sign at Illinois 130 |
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Looking southwest on Cumberland Street in Greenup (old National Road) |
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| Multiplex Photographs: |
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IL 10/IL 121: Approaching Lincoln from I-55 interchange |
Ill. 48/Ill. 121: Looking east |
Ill. 32/Ill. 121: Looking north |
US 45/Illinois 121: Looking south at I-57 |
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Ill. 16/US 45/Ill. 121: Westbound at very short multiplex in Mattoon |
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Interstate and US Highway Shields are courtesy of Barry Camp
Interstate and US Highway Shields are courtesy of Barry Camp