From Interstate 465 get off on the Crawfordsville/Speedway exit which is exit 16A. Turn west towards the town of Clermont. Go through Clermont and the track is on the left and side of the road.
From interstate 74 coming from the west you can exit at the Brownsburg exit number 66. At the light turn left onto North Field Drive. Follow that until you get to US Highway 136. On 136 turn left and proceed to track which will be on the right.