It depends on the train u are using,... if u take accela, or long distance u definetly can check ur lugage in... I would not recommend it though, because once in Washington u want to get out... and you dont want to wait forever... The regional trains, are not that much slower, but they are not that expensive. from Amtrak: We are pleased to offer checked baggage service at at a number of our stations and on many trains and Thruway Services. Not all trains or locations are equipped to handle checked baggage. Before you travel, make sure to check and see if your train and origin and destination stations accept checked baggage. 2 Bags Free - 50 lbs. — 75 Linear Inches* 2 Additional Bags — $20 Each Oversize Baggage (76 - 100 Linear Inches) — $20 Each Make sure you have a tag with your name and address on the outside of all your bags. Free ID tags are available at all of our stations. Luggage must be checked at least 45 minutes prior to your train's scheduled train departure. If you will be transferring between stations en-route, plan for at least two hours of scheduled layover time to ensure your luggage is transferred to your new train. If checked baggage is not offered on a train/bus in your itinerary, it may be accepted on another train/bus bound for the same destination (excluding firearms). Advance check-in is recommended. If you don't need to check a bag, get all the details about the carry-on items you can bring onboard and any fees that may apply.