Illinois State Route 47 is themain north-south route in the northwestern portion of Champaign County. This is also the southern most county that IL St Rt 47 is in. IL St Rt 47 passes through the following town in Champaign County. Mahomet
IL St Rt 47 is multi-plexed in Champaign County U.S. Rt. 150, at Mahomet.