From the CN website.
Carmel SSSemi-State Traffic Alert!
Portions of I-465 on the northeast side of Indy (between I-70 and US-31) are closed due to a truck accident Thursday that caused damage to an overpass.
Directions
http://cntf-cnxc.org/cross%202009/northview%20alternate%20directions.htmBrown County SSThe entrance to Eagle Park is on the south side of Highway 46 east of Nashville
and just west of the North Entrance to Brown County State Park.
If you take I-65 to Brown County (from the east side of Franklin), take the
Highway 46 exit (Columbus/Bloomington) west towards Bloomington. The entrance to
Eagle Park will be on Highway 46 on the left hand side just past the North Gate for
Brown County State Park.
If you take Highway 135 to Brown County (from the west side of Franklin), drive
through Nashville to the Highway 46 intersection on the south edge of Nashville. Turn
left at the intersection to go east on Highway 46 towards Columbus. The entrance is
about a mile east on the right hand side just before the North Gate for Brown County
State Park.