Business Loop I-72 - Springfield

Business leaders in the Illinois capital city advocated for the signing of a business route from Interstate 72 in the mid 1990s. The proposal involved posting Business Loop I-72 along the old alignment of U.S. 54 starting at Exit 91 and lining Wabash Avenue east across southwest Springfield.1 This route was never posted.

U.S. 54 formerly overlapped with U.S. 36 along Wabash Avenue east to MacArthur Boulevard north and Grand Avenue to U.S. 66 Business. The pair then took 9th Street north and Cook Street east to split at U.S. 66, which bypassed Springfield along an at-grade route on Dirksen Parkway.