Indiana State Route 3 is the main north-south highway through Henry County. Several portions of this highway have been up-graded to four-lanes. IN St Rt 3 passes through the following towns in Henry County. Spiceland New Castle IN St Rt 3 is not multi-plexed in Henry County. IN St Rt 3 intersects the following highways in Henry County. U.S. Rt. 40, near Ogden. Interstate 70, near Spiceland. Indiana State Route 38, at New Castle. U.S. Rt. 36, near Mount Summit.
