Business Loop Interstate 55 runs north-south through Springfield's Downtown area. It uses 6th Street, 9th Street, and Peoria Road. The north end connects with I-55 at Sherman and the souterhen end connects with I-55 at I-72/U.S. Rt. 36 in the Sixth Street Interchange. BUSN. Loop I-55 passes through the following towns in Sangamon County. Southern View
Springfield
Sherman
BUSN. Loop I-55 is multi-plexed in Sangamon County. Illinois State Route 29, at Springfield.
BUSN. Loop I-55 intersects the following highways in Sangamon County. Interstate 55, at the Sixth Street Interchange in Springfield. Interstate 72, at the Sixth Street Interchange in Springfield. U.S. Rt. 36, at the Sixth Street Interchange in Springfield. Illinois State Route 97, in Downtown Springfield.
SB on SB I-55. BGS on SB I-55. A BGS on NB I-55. SB BUSN. Loop I-55 near Sherman. SB BUSN. Loop I-55 at the Sangamon River. SB BUSN Loop I-55 near Color Plant Road. BGS on NB IL St Rt 4. Milage sign on NB BUSN. Loop I-55 in Springfield. NB BUSN. Loop I-55 near Downtown Springfield. SB BUSN Loop I-55 near South Grand Ave. Sign for BUSN. Loop I-55, Lincoln trail, and Historical Route 66. SB BUSN. Loop I-55 near the 6th Street Interchange on the southside of Springfield. A BGS one mile from SB I-55; WB I-72/U.S. Rt. 36. A graphical BGS on SB I-55; WB I-72/U.S. Rt. 36. Sangamon County mile marker on the ramp from NB I-55.