Business Loop Interstate 55 at Bloomington-Normal forms the south and east section of the highway loop. This also was a later alignment of Historical U.S. Rt. 66. On the eastern section, most of the shopping centers for the metro are along Busn. Loop I-55. BUSN Loop I-55 passes through the following towns in Mc Lean County. Normal
BUSN Loop I-55 is not multi-plexed in Mc Lean County. BUSN Loop I-55 intersects the following highways in Mc Lean County. Interstate 55, in Bloomington. Interstate 74, in Bloomington. U.S. Rt. 51, in Bloomington.