Sangamon County Highway 23 is a east-west highway in Central Sangamon County. This runs east-west between Springfield and Chatham. SCH 23 does not pass through any towns in Sangamon County. SCH 23 intersects the following highways in Sangamon County. Illinois State Route 4, near Chatham. Sangamon County Highway 18, near Curran.
WB SCH 23 near Old Chatham Road. A EB guide marker near IL St Rt 4. Looking east along SCH 23 east of IL St Rt 4.
