^The eastern beginning at US Route 41 in Chicago, January 2023.
Illinois Route 19 is an east-west route in Chicago's western suburbs, and on the north side of Chicago itself. It runs along Irving Park Road for most of its length. The western end is in Elgin, and the eastern end is along Lake Shore Drive (US Route 41).
The western beginning of Illinois 19 is at Illinois 25 on the east side of Elgin:
The western beginning of Illinois 19 is at Illinois 25 on the east side of Elgin:
Heading out of Elgin and into Streamwood, Illinois 19 crosses Illinois 59:
In the southwest corner of Schaumburg, Illinois 19 crosses a pair of frontage roads that access Illinois 390:
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After passing through Roselle, Illinois 19 crosses Illinois 53 near Itasca:
Illinois 19 passes under Illinois 83 at Bensenville, but the streets on the adjacent blocks to the north are signed as connectors between the two routes:
After rounding the south side of the O'Hare Airport grounds, Illinois 19 crosses Mannheim Road, which carries US Routes 12 & 45:
Just after that, Illinois 19 meets a partial interchange that accesses Interstate 294 to/from the north:
Illinois 19 crosses Illinois 171 as it enters Chicago's northwest side:
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Illinois 19 then crosses Illinois 43, where Norridge meets Chicago:
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Around the Irving Park neighborhood of Chicago, Illinois 19 crosses Illinois 50:
Finally, Illinois 19 comes to an end at an interchange with US Route 41, also known as Lake Shore Drive:
