Illinois Route 116 is an east-west route through central Illinois, a bit north of Illinois's exact center, and it spans almost the entire width of the state. It runs through Peoria, Pontiac, and many other towns.
Intersections will be listed from east to west.
The eastern end is at US Route 45 in Ashkum:
Intersections will be listed from east to west.
The eastern end is at US Route 45 in Ashkum:
After a short distance going westward, Illinois 116 meets an interchange with Interstate 57:
Illinois 116 crosses Illinois 115 in rural Ford County:
At Saunemin, Illinois 116 meets a junction with Illinois 47:
In Pontiac, Illinois 116 intersects the southern extent of Illinois 23:
As Illinois 116 is leaving Pontiac, it meets an interchange with Interstate 55:
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South of Minonk, Illinois 116 joins Illinois 251 south from the east...
After a one-mile concurrency, Illinois 116 splits from Illinois 251 to head west again:
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At Benson, Illinois 116 joins Illinois 117 south:
After passing through Roanoke, Illinois 116 sees Illinois 117 splitting off to head south:
Illinois 116 meets the southern end of Illinois 89 in Metamora:
Then, Illinois 116 meets another southern endpoint of another route, this time with Illinois 26:
At a directional interchange across the river from Peoria, US Route 150 joins Illinois 116 from the west and US Route 24 joins from the east, forming a concurrency of three routes:
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In East Peoria, an interchange with Interstate 74 turns the triple-route concurrency into a quadruple-route concurrency, as Illinois 29 arrives from the west to join the other three routes southerly:
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Shortly after crossing under Interstate 74, the quadruple concurrency trades an easterly US Route 150 for a westerly Illinois 8, creating a new quadruple concurrency consisting of Illinois 116, Illinois 29, US Route 24, and Illinois 8:
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Still in East Peoria, Illinois 116 and Illinois 8 use a tiny trumpet interchange to turn westerly off of the duo of US Route 24 and Illinois 29:
Illinois 8 and Illinois 116 cross the Illinois River together into Peoria:
After crossing the Illinois River and splitting into two separate one-way streets for eastbound and westbound traffic, Illinois 116 and Illinois 8 part ways in Peoria:
Illinois 116 passes under Interstate 474 with no interchange, but east of the underpass, a sign at the Airport Road intersection shows drivers how to access that freeway from Route 116:
At Farmington, Illinois 78 joins from the north to accompany Illinois 116 as it continues westbound:
As Illinois 116 is leaving Farmington, Illinois 78 diverts to resume its southward journey:
Illinois 116 crosses Illinois 97 north of Fairview:
At St. Augustine, Illinois 116 crosses Illinois 41:
In Roseville, the Business alignment of US Route 67 meets Illinois 116:
Illinois 116 leaves Roseville and meets the main alignment of US Route 67:
Though it may appear on maps that Illinois 116 ends at a point along Illinois 94 west of Media, Illinois 116 actually joins Illinois 94 north at this point toward Biggsville:
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Illinois 116, duplexed with Illinois 94, connects to a diamond interchange with ramps on and off of US Route 34:
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At a junction where Illinois 94 bends to the east along an old alignment of US Route 34 in Biggsville, Illinois 116 comes to an end. It's a bit of a strange and random place for the route to end, less than a mile north of the real US Route 34 at some stop sign.
