Indiana State Route 28 runs east-west across Southern Warren County. It runs from Illinois State Route 119, near Hedrick, at the Illinois/Indiana State Line, to the Fontain/Warren County Line at the Wabash River. IN St Rt 28 passes through the following town in Warren County. Williamsport
IN St Rt 28 is multi-plexed in Warren County U.S. Rt. 41, near Williamsport.
EB IN St Rt 28 at the Illinois/Indiana State Line. EB IN St Rt 28 at the Indiana Welcome sign. EB IN St Rt 28 west of IN St Rt 63. EB IN St Rt 28 near West Lebanon. A junction marker on NB IN St Rt 263. EB IN St Rt 28 near Williamsport. EB IN St Rt 28 in Williamsport. EB IN St Rt 28 near U.S. Rt. 41. SB U.S. Rt. 41/EB IN St Rt 28 near Williamsport. SB U.S. Rt. 41/IN St Rt 55; EB IN St Rt 28 near the Wabash River.
