Illinois 17 is a very significant route, running almost all the way across the state, from the Indiana border to just across the river from Iowa. East of the Indiana border, IL17 becomes Indiana State Route 2.

Intersections from east to west:

IL17 begins at the Indiana State Line

IL17 joins IL1 south near Grant Park

IL114 at Momence

IL1 breaks off south near Sun River Terrace

I-57 at Kankakee

IL50 joins from the north for about 1/4 mi. in Kankakee

Then IL50 breaks off to go south south, only to end at US45/52

In fact, IL17 meets US45/52 next- the 2 routes join IL17 west in downtown Kankakee

Then the two federal routes break off together toward north

Shortly after, IL17 meets IL113 at that route's eastern end

IL47 at Dwight

I-55 at Dwight

IL170

IL18 at its eastern end

IL23 south of Streator

IL17 joins IL251 south at Wenona

IL17 breaks off of IL251 to head west again

I-39/US51

IL117 near Toluca

IL89 near Varna

IL26 in Lacon

It joins IL29 north briefly at Sparland

Then IL29 breaks off

IL17 follows IL40 north*

It breaks off near Camp Grove

IL91 joins IL17 west at Wyoming

Later, it breaks off at Toulon

IL17 follows IL78 north a little way

IL17 breaks off soon after and heads west again

IL180 at its northern end

IL17 joins US34 west at Galva

Then it breaks off, once again

IL82 at its southern end

I-74 near Woodhull

Next, it joins US150 north through Alpha

IL17 breaks off of that route, too

US67 at Viola

IL94 joins from the north into Aledo

once in Aledo, IL94 heads south again

then IL17 ends at New Boston, on the Mississippi River.

It passes through these towns: Grant Park, Momence, Kankakee, Dwight, Wenona, Lacon, Sparland, Camp Grove, Wyoming, Toulon, La Fayette, Galva, Woodhull, Alpha, New Windsor, Viola, Aledo, Joy, New Boston.

Notable places: Illinois 17 runs past the Illinois State Correction Center at Dwight, a women's prison, complete with playground! It's next to a cemetery! Talk about joyous...

This is just west of Dwight.

*-There's an excellent apple orchard farm for autumn-type recreation at the corner of IL17 and IL40 in Speer, Illinois, just minutes west of the Illinois River.

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