Illinois Route 43 facts for kids
Quick facts for kids
Illinois Route 43 |
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Harlem Avenue Waukegan Road |
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IL 43 highlighted in red
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Route information | ||||
Maintained by IDOT and CDOT | ||||
Length | 60.30 mi (97.04 km) | |||
Existed | 1967–present | |||
Major junctions | ||||
South end | ![]() |
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North end | ![]() ![]() |
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Location | ||||
Counties: | Will, Cook, Lake | |||
Highway system | ||||
Illinois state highway system Illinois Tollway system
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Illinois Route 43 (IL 43) is a major state road in Illinois. It stretches about 60 miles (97 km) from south to north. This important road connects the town of Frankfort in the south to Waukegan in the north. It helps people travel across three different counties: Will, Cook, and Lake.
What is Illinois Route 43?

Illinois Route 43 is a long road that changes its name as it goes along. For its first 20 miles (32 km), it is known as Waukegan Road. This part of the road runs through areas like Niles. After that, it becomes Harlem Avenue for the rest of its journey north.
This route travels through or near many parts of Chicago. It passes by neighborhoods such as Edison Park and Austin. It also goes through Garfield Ridge and Clearing. IL 43 is special because it is one of seven state roads that go right through the city of Chicago. In Chicago's address system, it is known as 7200 West.
History of Route 43
The road we know as Illinois Route 43 today has an interesting past. Before 1967, this route was called Illinois Route 42A. Route 42A already followed the path of Waukegan Road and Harlem Avenue.
In 1967, the state decided to change the name. Illinois Route 42A was officially removed. In its place, the road was renamed Illinois Route 43. This is the name it has kept ever since.
In the town of Deerfield, a special part of Route 43 is recognized. It is called a Blue Star Memorial Highway. This is a way to honor the men and women who have served in the United States Armed Forces.
See also
In Spanish: Ruta de Illinois 43 para niños