UPDATE: a friend of mine said this

Yep, more than a few riders got hit with chunks of flying asphalt. One rider took chunk in his windscreen, a couple of radiators were lost and a bunch of other miscellaneous stories of riders being hit with debris. Not good.

and another said this

big shakeup after the bike weekend, the long term management team got sacked, and now this.

I have no idea why but nelson ledges, located close to Akron, OH suspended all activities there over the weekend

http://nelsonledges.com/NNwhatsNewDeta…

Sad news as now Mid Ohio is the only road course in operation in Ohio