Program Overview


Caltrain electrification is a key component of the Caltrain Modernization (CalMod) Program and will electrify the corridor from San Francisco’s 4th and King Caltrain Station to the Tamien Caltrain Station. Electrification improvements include converting diesel-hauled trains to Electric Multiple Unit (EMU) trains, increase service to six trains per peak hour per direction, and maintain operating speed up to 79 mph.

The primary purpose of Caltrain electrification is to improve Caltrain system performance and curtail long-term environmental impacts by reducing noise, improving regional air quality, and lowering greenhouse gas emissions. Electrification improvements will better address Peninsula commuters’ vision of increased service and improved travel times in an environmentally friendly and reliable way. These service improvements are also expected to help accommodate increased system ridership through improved system operations.

photo of construction workers

Caltrain Electrification construction activities are underway! Get the latest updates.

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photo of calmod trains

Curious about the new electric trains?

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Upcoming Community Meetings

There are many upcoming events you can attend to learn more about the CalMod program. Check out our list of all upcoming events.

South San Francisco Community Meeting
6:00 pm - 7:00 pm
Municipal Services Building, Council Chambers
33 Arroyo Dr.
South San Francisco
Local Policy Makers Group

The Local Policy Maker Group (LPMG) meets every month on the fourth Thursday at 6 p.m. in the Edward J. Bacciocco Auditorium located on the second floor at SamTrans Administrative Offices.

6:00 pm
SamTrans Administrative Offices, Edward J. Bacciocco Auditorium
1250 San Carlos Ave
San Carlos

All Events

Project Timeline