Ok guys, heres some helpful links, one is the route I take to Byhalia coming off the I-240 loop in Memphis.
You can improvise it to the direction your coming from but the track is on rabbit ridge road.
http://www.mapquest.com/mq/2-j1e7Xqr58wXLiP2oRo0c
www.byhaliaraceway.com
Track phone # is 662-838-4350
Cp