U.S. Federal Route 41 runs north-south in Central Warren County. From the Benton/Warren County Line to Indiana State Route 63, south of Carbondale, it is a four-lane highway. East of IN St Rt 63 it is a two-lane road to the Fountain/Warren County Line, at Attica. U.S. Rt. 41 does not pass through any towns in Warren County. U.S. Rt. 41 is multi-plexed in Warren County. Indiana State Route 26, near Rainsville.
SB U.S. Rt. 41 at the Benton/Warren County Line. SB U.S. Rt. 41/EB IN St Rt 26 near Boswell. NB U.S. Rt. 41 south of EB IN St Rt 26. SB U.S. Rt. 41 south of east IN St Rt 26. NB U.S. Rt. 41 near Tab. SB U.S. Rt. 41 near Brisco. NB U.S. Rt. 41 north of IN St Rt 63. A BGS on SB U.S. Rt. 41. SB U.S. Rt. 41 at IN St Rt 63. A guide marker on NB IN St Rt 63. A BGS on NB IN St Rt 63. A junction marker on EB IN St Rt 28. SB U.S. Rt. 41/EB IN St Rt 28 near Williamsport. SB U.S. Rt. 41/EB IN St Rt 28 east of west IN St Rt 28. NB U.S. Rt. 41/WB IN St Rt 28 west of north IN St Rt 55. NB U.S. Rt. 41/IN St Rt 55; EB IN St Rt 28 at north IN St Rt 55. SB U.S. Rt. 41/IN St Rt 55; EB IN St Rt 28 near the Wabash River, west of Attica. NB U.S. Rt. 41/IN St Rt 55; WB IN St Rt 28 at the Fountain/Warren County Line.