Bay Area/ San Jose
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Published on August 18, 2023
Groundbreaking Bi-Level Electric Train to Revolutionize Commuter Rail Services Says San Jose MayorSource: Flickr / Jon Porter

Today, the California Transportation Commission approved the allocation of funds for Caltrain's ambitious project to pilot a first-of-its-kind bi-level dual electric and battery-powered train, aiming to expand zero-emission service and facilitate a more sustainable future for commuter rail services in the country, as per Caltrain's Twitter post.

This pioneering train, known as a battery-equipped electric multiple unit (BEMU), combines the power of overhead electric lines with the mobility of battery storage, allowing it to travel across both electrified and non-electrified service areas. Consequently, the train will charge on electrified tracks and then use its battery charge to travel on non-electrified track areas, without the need for diesel locomotives. The BEMU will be purchased through a contract option with Stadler, Caltrain's electric train manufacturer, according to Caltrain.

The introduction of this bi-level technology in a US commuter train marks a significant milestone in the nation's journey towards a fully zero-emission rail transportation system. The potential benefits of this innovative technology are extensive, including improved air quality, reduced greenhouse gas emissions, enhanced system efficiencies, and increased service reliability. 

The BEMU demonstration project, expected to have far-reaching implications for rail systems nationwide, has already garnered support from various Californian public figures and officials. California Transportation Secretary Toks Omishakin applauded the initiative, citing the state's determination to lead the clean, electrified transportation transition. CTC Vice Chair Carl Guardino expressed excitement at the unanimous funding approval and the opportunity for other transit systems in the country to follow suit.

Local support for the project is equally apparent. Jeff Gee, Caltrain Board Chair, enumerated the benefits of the BEMU, including faster and more reliable travel times for riders. Mayor of San Jose Matt Mahan acknowledged Silicon Valley's reputation for innovation, asserting that “this project will pave the way for Caltrain to retire their diesel fleet and operate a fully zero-emission service for future generations.” The enthusiasm extends to Gilroy, as Mayor Marie Blankley lauded the impending arrival of zero-emission trains in her city.

Stadler's CEO of the US, Martin Ritter, expressed pride in the partnership with Caltrain and their shared mission to enable California to provide zero-emission travel. He also highlighted how Stadler could expand its portfolio for the US market through this collaboration, particularly in the zero-emission product line.

The current demonstration plan entails the BEMU charging during operations between San Francisco and San Jose, followed by battery-powered travel on non-electrified tracks between San Jose and Gilroy, with intermittent trips to Salinas. Should the demonstration prove successful, subsequent deployment of BEMUs could replace aging diesel locomotives on non-electrified tracks. This potentially paves the way for other operators transitioning to electrified service without necessitating full overhead line coverage throughout entire train corridors, as reported by Caltrain.

The train's operations are contingent on further testing and certifications from regulatory agencies. In preparation for the electrified service's fall 2024 launch, Caltrain held a public event today, to showcase their new electric multiple unit (EMU) trains. Over 4,000 visitors attended, eager to witness firsthand the future of the rail system. Another event will take place in San Francisco on September 23, providing additional opportunities for the public to engage with innovative technology.

San Jose-Transportation & Infrastructure