U.S. Federal Route 40 is the only east-west surface route in Effingham County. This runs just south of Interstate 70 on the eastside of the county. On the westside, it runs just north of I-70. U.S. Rt. 40 passes through the following towns in Effingham County. Altamont
EB U.S. Rt. 40/SB IL St Rt 128 at the Effingham/Fayette County Line. EB U.S. Rt. 40/SB IL St Rt 128 east of north IL St Rt 128. WB U.S. Rt. 40/NB IL St Rt 128 west of Altamont. WB U.S. Rt. 40/NB IL St Rt 128 west of Altamont. A junction marker on EB U.S. Rt. 40/SB IL St Rt 128. Photo courtesy: Paul Dienhart WB U.S. Rt. 40 at IL St Rt 128. A BGS on NB I-57/EB I-70. A junction marker on WB U.S. Rt. 40; NB IL St Rt 32; WB IL St Rt 33. EB U.S. Rt. 40/IL St Rt 33 in Effingham. EB U.S. Rt. 40/IL St Rt 33 in Effingham. WB U.S. Rt. 40/IL St Rt 33; SB U.S. Rt. 45 at Banker Street. A junction marker on SB U.S. Rt. 45. A junction marker on SB U.S. Rt. 45. EB U.S. Rt. 40/IL St Rt 33 at 1st Street. A junction marker on EB U.S. Rt. 40/IL St Rt 33. EB U.S. Rt. 40/IL St Rt 33 at Willow. EB U.S. Rt. 40 east of IL St Rt 33. EB U.S. Rt. 40 east of Effingham. EB U.S. Rt. 40 east of Effingham. An Effingham County mile marker. EB U.S. Rt. 40 in Teutopolis. EB U.S. Rt. 40 east of Teutopolis. EB U.S. Rt. 40 west of Montrose. EB U.S. Rt. 40 in Montrose. A guide marker in Montrose. EB U.S. Rt. 40 east of Montrose. WB U.S. Rt. 40 at the Effingham/Cumberland County Line.
