Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Middletown Station is an Amtrak railroad station on the Keystone Corridor in Middletown, Dauphin County in the U.S. state of Pennsylvania. The station is served by Amtrak's Keystone Service between New York City and Harrisburg. The Middletown station is located on Mill Street, off of Pennsylvania Route 441. In addition to being used by residents of Middletown, the station is also popular with commuters heading to Harrisburg and Philadelphia who utilize its free parking.