^Eastbound trailblazer as Illinois 17 leaves Illinois 29 for the Illinois River near Lacon, November 2021.
Illinois Route 17 spans the entire width of the state, at the northern end of what I'd consider "central Illinois". It runs east-west at a latitude about fifteen to twenty miles south of the Interstate 80 corridor, connecting with towns such as Kankakee, Dwight, Lacon, Wyoming, and Aledo.
Intersections will be listed from east to west, mainly because the western end is a dead end at the Mississippi River.
Illinois 17's eastern beginning is where Indiana State Route 2 crosses into Illinois, east of a town called Grant Park, Illinois...
Intersections will be listed from east to west, mainly because the western end is a dead end at the Mississippi River.
Illinois 17's eastern beginning is where Indiana State Route 2 crosses into Illinois, east of a town called Grant Park, Illinois...
Illinois 17 joins Illinois 1 south at Grant Park...
In Momence, the Illinois 17 concurrency with Illinois 1 meets the western end of Illinois 114 (which becomes Indiana State Route 10):
At Sun River Terrace, Illinois 17 splits from Illinois 1 to head west toward Kankakee:
In Kankakee, Illinois 17 meets a kitty-corner folded diamond interchange with Interstate 57 (the ramps are very sharp curves!)...
Alongside the Kankakee County Courthouse in Kankakee, Illinois 17 crosses the pair of one-way streets carrying Illinois 50:
After about five blocks, US Routes 45 and 52 leave together to continue north, as Illinois 17 heads west over the Kankakee River:
Once Illinois 17 makes it across the Kankakee River, it meets the southeastern end of Illinois 113 on the west side of Kankakee:
After conquering the rest of the width of Kankakee County, Illinois 17 crosses Illinois 47 in Dwight:
Then, Illinois 17 meets Interstate 55 on the west side of Dwight:
Illinois 17 crosses Illinois 170 ten miles west of Dwight:
Soon after that, Illinois 17 splits into Illinois 17 and Illinois 18, which goes north:
Illinois 17 dives south and corrects westbound again, crossing Illinois 23 south of Streator:
At Wenona, Illinois 17 joins Illinois 251 south:
The concurrency lasts two miles, then Illinois 17 splits from Illinois 251 to resume going westerly:
Illinois 17 reaches the northern end of Illinois 117 near Toluca:
Illinois 17 crosses Illinois 89 near Varna:
In Lacon, Illinois 17 crosses Illinois 26 right outside the Marshall County Courthouse:
Illinois 17 crosses the Illinois River into Sparland, where it joins Illinois 29 north for a short while:
After less than a mile, Illinois 17 splits from Illinois 29 to head upward out of the river valley:
Outside of Tanner's Orchard, an agritourism destination for all things related to autumn and apples, Illinois 17 joins Illinois 40 north:
After passing through Camp Grove together, Illinois 17 and Illinois 40 part ways:
At the town of Wyoming, Illinois 91 comes from the south to join Illinois 17 west:
Illinois 91 splits from Illinois 17 to head north in the town of Toulon:
About three miles west of Toulon, Illinois 17 joins Illinois 78 northward for a short distance:
Illinois 17 splits from Illinois 78 after about half a mile, to head west into La Fayette:
After the town of La Fayette, Illinois 17 turns north where Illinois 180 reaches its northern terminus:
Illinois 17 heads north into Galva, where it joins US Route 34 west:
South of the Swedish town of Bishop Hill, Illinois 17 turns off of US Route 34 to head due west:
Shortly after that, Illinois 17 meets the southern end of Illinois 82 at Nekoma:
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At Woodhull, Illinois 17 meets a full folded-diamond (fountain) interchange with Interstate 74's north-south segment:
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Two miles farther west, Illinois 17 joins US Route 150 north through the town of Alpha:
After passing through to the north side of Alpha, Illinois 17 splits from US Route 150:
At Viola, Illinois 17 crosses US Route 67...
As it enters Aledo, Illinois 17 is joined by Illinois 94, which arrives from the north:
In Aledo, Illinois 94 departs from Illinois 17 to head southerly again, alongside the Mercer County Courthouse in downtown Aledo:
In New Boston, at the site of a former ferry across the Mississippi River, Illinois 17 comes to an abrupt end...
