The Pennsylvanian Anniversary Unit. On Sunday, May 22, 2022, AMTK 46 (P42DC, 50th Anniversary) lead Amtrak Train 42 (Pennsylvanian), seen passing under the George Westinghouse Bridge and East Pittsburgh-McKeepsort Blvd in East Pittsburgh, Pennsylvania. This was Amtrak's first 50th Anniversary unit (out of 7 total). The number 46 was chosen as this unit was originally planned to lead a train for the 2021 Presidential Inauguration. The train this day was lengthened from its usual 7 cars to 9 with the inclusion of 2 private cars, Webb Rail LLC - WEBX's former New York Central Railroad Budd built Pullman obs/diner/sleeper "Babbling Brook" (WEBX 800007) and former New York Central lounge/diner/sleeper "Swift Stream" (RPCX 800460).