We love Colorado. Yes, we have beautiful highways. And, yes, we also love skateboards. However, what you are about to see if incredibly not recommended. 70 MPH down a Colorado highway? Zak Maytum is a professional and even he is pretty much insane trying this. It's hard to know whether to give him a high five for accomplishing this or calling the authorities to have him locked up. Watch and you decide. Think he should try this coming down from Grand Mesa?