Illinois State Route 128 runs briefly inm Western Effingham County. It runs from the Effingham/Fayette County Line along U.S. Rt. 40 to Altamont. At Altamont it connects the town to Interstate 70. IL St Rt 128 passes through the following town in Effingham County. Altamont
IL St Rt 128 is multi-plexed in Effingham County. U.S. Rt. 40, near Altamont.
IL St Rt 128 intersects the following highways in Effingham County. U.S. Rt. 40, at Altamont.