Okay, it was not 2007, it was 2006 December. Dec. 20-21, 2006 to be exact from website.
My wife's company let employees go home late, and she ended up sleep inside of her vehicle at Interlocken. Crazy thing is that she made it home next morning with Jetta. She said she saw about 6 vehicles total at hwy36.

https://www.9news.com/article/weathe...a-646aae0f4527
https://www.westword.com/news/the-te...denver-8657201