Interesting. I don't believe they've ever done this before. Better than the alternative (Speedway closes its doors) but don't think it gets Iowa any closer to a Sprint Cup race. Only reason I can think that NASCAR did this is so Iowa Speedway didn't go under as its long been rumored the track has some big financial problems.
NASCAR announced as buyer of Iowa Speedway | The Des Moines Register | desmoinesregister.com
NASCAR announced as buyer of Iowa Speedway | The Des Moines Register | desmoinesregister.com