The Brief Officials urged residents and visitors to plan for temporary traffic impacts. Officials urged visitors to use Metrorail and Metrobus whenever possible, while residents and commuters are advised to review road closures and parking restrictions before traveling through affected areas. Virtual preview shows IndyCar’s Freedom 250 Grand Prix racing past DC landmarksD.C. Police say they are working across the city to maintain a safe environment for residents and visitors. Race officials report that all free General Admission tickets have been assigned and that entry is limited to guests with a valid ticket. Virtual preview shows IndyCar’s Freedom 250 Grand Prix racing past DC landmarks