Thumbnail – Amtrak Northeast Regional 65 Boston to DC (20211121_074244t) Published January 6, 2022 at 2000 × 2000 in Brian’s Travel Spot: Amtrak Northeast Regional 65 Amtrak Locomotive 629, a Siemens Sprinter ACS-64, which was at the front of Northeast Regional 65 at Washington DC’s Union Station.