On a rather warm and humid day, an Amtrak Keystone Express train pulls into New Jersey's Trenton Transit Center with Amtrak ACS-64 #603 on the point. ACS-64s(Amtrak Cities Sprinter) are Amtrak's newest locomotive models manufactured by Siemens Mobility, which are assigned for operation on the Northeast Corridor line. Futhermore, once all ACS-64s have been delivered, which it should by 2015, they will put the railroad's existing AEM-7s and HHP-8s into retirement.
