Sangamon County Highway 12 is a east-west highway east of Springfield. This runs from near Riverton to near Mechanicsburg. SCH 12 does not pass through any towns in Sangamon County. SCH 12 is not multi-plexed in Sangamon County. SCH 12 intersects the following highways in Sangamon County. Interstate 72, near Riverton. U.S. Rt. 36, near Riverton. Sangamon County Highway 33, near Dawson. Sangamon County Highway 3, near Mechanicsburg. Sangamon County Highway 19, near Mechanicsburg.
A BGS on EB I-72/U.S. Rt. 36. EB SCH 12 east of I-72/U.S. Rt. 36.
