Sandwich Set at Lincoln: Train #640, currently the lone eastbound Keystone Service train to run the full route between Harrisburg and New York is seen with ACS-64s on both ends as it passes through Lincoln Interlocking, just west of Metuchen Station on August 14, 2020. Typically these trains operate with a single ACS-64 at one end and an ex-Metroliner cab car at the other.