Illinois Route 47 is a long north-south highway in northeastern and east-central Illinois.  It runs from the Wisconsin border, south of Lake Geneva, south through the far western reaches of exurban Chicagoland, to end just west of Champaign.

Illinois 47's northern end is the point where Wisconsin Highway 120 crosses the state border into Illinois, south of Lake Geneva:

Illinois 47 crosses Illinois 173 in Hebron, at a single intersection that used to be a pair of intersections with a short concurrency:

In Woodstock, Illinois 47 crosses Illinois 120:

Still in Woodstock, Illinois 47 also crosses US Route 14:

West of Crystal Lake, Illinois 176 joins Illinois 47 from its western leg pointing toward Marengo:

After a short concurrency jogging southeastward, Illinois 176 splits from Illinois 47 to head east:

At Huntley, Illinois 47 has a newly-full interchange with Interstate 90:

At Starks, Illinois 47 meets a junction where Illinois 72 comes from the east and US Route 20 comes from the west, and both routes join Illinois 47 southward:

After just under a mile, Illinois 47 meets another junction, where Illinois 72 departs to the west and US Route 20 departs to the east:

Illinois 47 crosses Illinois 64 at Lily Lake:

Then, in Elburn, Illinois 47 crosses Illinois 38:

At an interchange that recently was revamped from a partial one to a full one, Illinois 47 connects with Interstate 88:

At another interchange in Sugar Grove, Illinois 47 meets the western end of the Illinois 56 freeway that continues west as US Route 30, and US Route 30 joins Illinois 47 south from that western leg of the junction:

West of Montgomery, Illinois 47 sends US Route 30 to continue eastward:

Illinois 47 crosses US Route 34 in Yorkville:

Further into Yorkville, Illinois 47 meets the western end of Illinois 126:

Illinois 47 crosses Illinois 71, exiting Yorkville to continue south:

In rural Kendall County, east of Lisbon, Illinois 47 crosses US Route 52:

Illinois 47 meets an interchange with Interstate 80 as it enters Morris:

Just after the Interstate 80 interchange, Illinois 47 welcomes US Route 6 from the east for a short concurrency southward:

Soon after, still in Morris, Illinois 47 parts with US Route 6 as that route turns westerly:

South of Morris and north of the next town of Mazon, Illinois 47 reaches the western extent of Illinois 113:

Approaching Dwight, Illinois 47 encounters an interchange with Interstate 55...

In Dwight, Illinois 47 crosses Illinois 17:

On the western edge of Saunemin, Illinois 47 crosses Illinois 116:

At Forrest, Illinois 47 meets US Route 24, at a 4-way intersection:

At the tiny town of Sibley, Illinois 47 meets the eastern end of Illinois 165:

As Illinois 47 approaches Gibson City, Illinois 9 comes from the west to join Illinois 47 south:

Soon after, Illinois 47 and Illinois 9 meet Illinois 54, turning east to form a triplicate:

On the south side of Gibson City, Illinois 47 turns off of Illinois 9 and Illinois 54 to resume its southerly pathing:

Illinois 47 crosses US Route 136 west of Fisher:

As Illinois 47 is reaching Mahomet, it encounters a diamond interchange with Interstate 74:

In Mahomet, Illinois 47 joins US Route 150 westward for a short while:

After a short journey together, Illinois 47 and US Route 150 part ways:

Nearing its southern endpoint, Illinois 47 connects to Interstate 72 at a classic diamond interchange:

Near Seymour, Illinois 47 ends at an intersection with Illinois 10:

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