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 trains, which did 900 test runs between January and August, are expected to start commercial service on Amtrak’s Northeast Corridor line next spring.

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