U.S. Federal Route 24 runs east-west across Central Iroquois County. This is the eastern most county that it passes through in Illinois. U.S. Rt. 24 passes through the following towns in Iroquois County. Effner
Watseka
Cresent City
Leonard Gilman
U.S. Rt. 24 is multi-plexed in Iroquois County. U.S. Rt. 52, from the Illinois/Indiana State Line to near Sheldon.
EB U.S. Rt. 24 south of La Hoque. EB U.S. Rt. 24 west of I-57. A BGS on NB I-57. EB U.S. Rt. 24 east of I-57. EB U.S. Rt. 24/NB U.S. Rt. 45 in Gilman. A junction marker on EB U.S. Rt. 24/NB U.S. Rt. 45. EB U.S. Rt. 24 on the eastside of Gilman. EB U.S. Rt. 24 in Crescent City. EB U.S. Rt. 24 west of Watseka. EB U.S. Rt. 24/SB IL St Rt 1 in Watseka. A junction marker on EB U.S. Rt. 24/SB IL St Rt 1. WB U.S. Rt. 24 east of Watseka. A junction marker on WB U.S. Rt. 24/52. WB U.S. Rt. 24/52 at the Illinois Welcome Sign. WB U.S. Rt. 24/52 at Effner. EB U.S. Rt. 24/52 at the Illinois/Indiana State Line.