And where is your source for this? Isn't it usually independent sites that will stream it? And if not that, people will likely be live blogging it. Also, all the renderings, info, and any videos released will be online within minutes. Lastly, I'm sure people will record the announcement and later post it on YouTube. So, if it's hard for you to get to the park, there's no reason to worry.
Kings Island tweeted there were no plans to broadcast it live.