What happens when a driver is forced to use a runaway truck ramp?

Last week's crash on I-70 has a lot of people wondering about runaway truck ramps. Steve Staeger set out to learn how often these ramps are used, and what happens after the truck goes flying up. More local videos here: https://bit.ly/2Pa0d1l Subscribe to NEXT: http://bit.ly/2eP1GwI Stay connected: 9NEWS Website: http://www.9news.com/ Facebook: https://www.facebook.com/ilike9news Twitter: https://twitter.com/9NEWS Instagram: https://www.instagram.com/9newsdenver/ Google+: https://plus.google.com/+9news/posts Snapchat: Denver9NEWS Pinterest: https://www.pinterest.com/9news/ 9NEWS (KUSA) is located in Denver, Colorado.