U.S. Route 45 in the state of Illinois is a major north–south U.S. Highway that runs from the Brookport Bridge over the Ohio River at Brookport north through rural sections of eastern Illinois and then through the suburbs of Chicago to the Wisconsin state line east of Antioch. This is a distance of 428.99 miles (690.39 km). US 45 is the longest numbered route in Illinois.
The highway passes a "Home of Superman" sign as it enters Metropolis, Illinois
US Route 45 in Mundelein, Illinois
Roads and expressways in Chicago summarizes the main thoroughfares and the numbering system used in Chicago and its surrounding suburbs.
Sunset view of the Chicago Skyway tollbooths at the entrance to the Chicago southbound city limits
The division of Chicago's directional address system is at State Street - separating East (E) from West (W), and Madison Street - North (N) from South (S).
The Eisenhower Expressway at the Ashland Avenue Overpass looking east towards downtown. The 'Ike' as it is known locally, runs parallel to the CTA's Blue Line. Both connect the city to the western suburbs.
South Lake Shore Drive, looking north towards downtown.