If you watch this video and want to sim this track, buy it for a dollar using the link in my other comment and then search for "Offline55" in AC / Content Manager. My server will be up for the next 10 days, until after I race Thunderhill for realz.
You can download the track he's by paying Nukedrop (the dev, and I assume a nice guy) $1 a year: www.patreon.com/join/nukedrop/checkout?rid=8747014&redirect_uri=https%3A%2F%2Fwww.patreon.com%2Fposts%2Fthunderhill-v11-76075002