This summer, 16 cities across the U.S., Canada, and Mexico will host the world's biggest sporting event, watched by billions around the globe. All eyes will be on the players and coaches, with fans cheering every goal, save, and win. But before any of that can happen, operators have to prepare the airports, roads, stadiums, and transit networks that make the tournament possible. Just like the teams on the field, they’ve spent years getting ready for this moment.