Is there a train to go from Philadelphia PA Washington DC?

Yes, there is a train that goes from Philadelphia, PA to Washington, DC. The Amtrak Northeast Regional train provides frequent service between the two cities, with multiple departures throughout the day. The journey time between Philadelphia and Washington, DC is approximately 1 hour and 30 minutes. The train departs from Philadelphia's 30th Street Station and arrives at Washington, DC's Union Station. Tickets can be purchased online or at the train station.