The Bombardier–Alstom HHP-8 is a type of twin-cab electric locomotive manufactured by a consortium of Bombardier Transportation and Alstom for Amtrak and MARC. The locomotive's electrical drive technology is directly derived from the SNCF BB 36000 manufactured by Alstom.
MARC No. 4915 at Odenton in 2014
The visual similarity between the HHP-8 (top) and Acela Express power cars (bottom) was a deliberate design choice.
Image: Hhp 8 661
MARC is a commuter rail system in the Washington–Baltimore area. MARC is administered by the Maryland Transit Administration (MTA) and operated under contract by Alstom and Amtrak on track owned by CSX Transportation (CSXT) and Amtrak. In 2023, the system had a ridership of 3,860,600, or about 12,400 per weekday as of the fourth quarter of 2023, less than pre-COVID-19 pandemic weekday ridership of 40,000.
A MARC HHP-8 leads an express train into Odenton station in Odenton, Maryland
A MARC EMD F9PH leads a service through Point of Rocks in 1987
A Baltimore and Ohio Railroad train near the Capital Beltway in 1970, running on what is now the Camden Line
A Penn Central train near the Beltway in 1970, running on what is now the Penn Line