Tens of thousands of fans will converge on Gillette Stadium Thursday for a Brazil-France exhibition match, creating a live stress test for Massachusetts transit infrastructure. The 4pm kickoff coincides with peak commuter rail demand, forcing the MBTA to run four additional trains from South Station to manage overflow capacity. The match serves as operational dry-run for venue and transportation officials preparing for potential World Cup-adjacent events in June. Infrastructure performance data from Thursday's crowd will directly inform contingency planning and ticketing strategies for high-capacity matches, with transit bottlenecks potentially constraining future event attendance and venue revenue.