Okay I'm an old guy having a hard time still dealing with the word street and not stock. I still call it stock.
More serious. It would not be the 1st time if the dates were moved in Lincoln. The last time, a few years ago, the date was changed due to an air show at Lincoln.
It does not hurt to ask.
Oh well after the 2016 event it does not matter that much to me since I'll be retired.