Footage has emerged from Colorado, US of a blizzard sweeping across a major road. <br /><br />The video, filmed on November 18 on I70 by the Keystone Exit, shows the snow storm making driving conditions treacherous. <br /><br />Travel delays and power cuts occurred in different parts of Colorado on Tuesday and Wednesday, and some flights were reportedly cancelled due to white-out conditions at Denver International Airport. <br /><br />++CLIENTS PLEASE NOTE: THIS FOOTAGE HAS BEEN LOOPED++
