Interstate Speedway is a kart facility (possibly with motocross and bmx biking as well) located near the airport west of Coldwater, Michigan. The facility apparently includes both a 1/4 mile paved road course and a 1/5 mile paved flat tri-oval.
It is unclear if the facility is operating at this time.
New: 2005-10-28
This track previously operated under the name "The Motor Plex".
Interstate Speedway
125 W Chicago Rd
Coldwater, MI 49036
517-278-8580
You may also wish to try using the Yahoo! Search as it may produce current news items.
This location is a best guess at where the track might be.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.