U.S. Federal Route 41 is the main north-south highway in Central Sullivan County. This is a four-lane divided highway through out the county. U.S. Rt. 41 passes through the following towns in Sullivan County. Sullivan Shelburn
Farmersburg
U.S. Rt. 41 is multi-plexed in Sullivan County. U.S. Rt. 150, throughout Sullivan County.
U.S. Rt. 41 intersects the following highways in Sullivan County. Indiana State Route 58, near Carlisle. Indiana State Route 54, near Sullivan. Indiana State Route 154, at Sullivan.
