Business Loop I-55 - Lincoln

Business Loop I-55/Historic U.S. 66 north at Lincoln, IL — Historic U.S. 66 is signed along with Business Loop I-55 as it travels through Lincoln. 05/06/10

Business Loop I-55 north of Lincoln Parkway in Lincoln, IL — This Business Loop I-55 shield stands along eastbound Fifth Street after Lincoln Parkway in Lincoln, Illinois. 05/06/10

Business Loop I-55 north of Historic U.S. 66 at Forgarty, IL — This shield for appears after Lincoln Parkway intersects Historic U.S. 66 north from Fogarty, Illinois. 05/06/10

This business route serves Lincoln via portions of Historic U.S. 66 between Exits 123 and 133. The 8.6 mile route stems east from I-55 along Lincoln Parkway to combine with Historic U.S. 66 north through Railsplitter State Park. The business loop turns east along 5th Street while Lincoln Parkway encircles the city as a former Bypass of U.S. 66.

5th Street runs through residential areas east to Clinton and Logan Streets outside Downtown. Logan Street angles the route northeast to a five block overlap with IL10/121 at Keokuk Street. The three separate southeast at Kickapoo Street, with Business Loop I-55 resuming a northward route to Lincoln Parkway and Interstate 55.

Updated August 1, 2026