Last Fourth of July, Washington Transit Authority counted 582,286 riders on Metrorail, the most popular method of transit to see the fireworks show on the National Mall. Naturally, Independence Day is the largest celebration in the capital city and is a source of both pride and headaches to its residents. But the spectacle on the National Mall is not the largest in the country. We surveyed mega-party planners in cities across the country and asked what numbers they drew last year and how many they’re expecting this year. Click through to see how Washington measures up.