Taking the train from D.C. to Boston is about to get nicer—and a little faster. Earlier this year, if you happened to be standing at a train station in New Jersey at a certain time of night, you might have seen a sleek new high-speed Acela zip by.

The new line of Acela trains are set to run on Amtrak's Northeast Corridor once they have passed pre-revenue testing and received approval from the Federal Railroad Administration