Out-of-towners easily doubled the 2016 state population of 585,501. The number of cars participating in the mass exodus rivaled the 636,294 registered cars and pickup trucks in Wyoming as of 2016, McGee said. With an estimated increase of more than 536,000 vehicles on the road, traffic surged to historic levels as the crowds that had flocked to the state left as quickly as they came, adding never-before-seen pressure on the highways. The roads just weren’t designed for that volume of traffic.” “Our highway system was taxed like it’s never been before. “I’m going to go ahead and guess this is the most people that have been in Wyoming since ever,” Wyoming Department of Transportation spokesman Doug McGee said Tuesday. Digital Replica Edition Home Page Close MenuĮclipse enthusiasts in Wyoming on Monday didn’t just witness history, they made it: the sparsely populated state had the most traffic it has ever seen, as more than half a million people rushed to their cars and hopped on the road to get home just seconds after the moon blocked the sun.