Illinois State Route 29 runs north-south through Mason County eastern edge. This porvides residents of Eastern Mason County access to the Peoria Metro(to the north) and the Springfield Metro (to the south). IL St Rt 29 passes through the following town in Mason County. Mason City
IL St Rt 29 is multi-plexed in Mason County. U.S. Rt. 136, near San Jose.
IL St Rt 29 intersects the following highways in Mason County. Illinois State Route 10, west of Mason City
WB U.S. Rt. 136/SB IL St Rt 29 west of San Jose. NB IL St Rt 29 near Mason City. A Mason County mile marker. A junction marker on EB IL St Rt 10. NB IL St Rt 29 near IL St Rt 10. SB IL St Rt 29 near the Mason/Menard County Line.
