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BART's Oakland Airport Connector will be undergoing planned maintenance on its trackway equipment for several days in December. The work will happen during revenue service each of the days listed below:

• Tuesday, December 3rd.
• Wednesday, December 4th
• Tuesday, December 10th
• Wednesday, December 11th

During the maintenance, one track will remain in operation, and trains will arrive every 18 minutes, rather than every 9 minutes. This work is necessary preventative maintenance which will help ensure that the Oakland Airport Connector remains safe and reliable. 

We apologize for this inconvenience and appreciate your patience.

BART crews will be in the trackway near West Dublin/Pleasanton Station to install new fiber cables. These cables will help to expand advanced wireless connectivity in this part of the system. 

The work is scheduled to happen between 9pm Friday September 27 and 7am Saturday, September 28 as well as between 9pm Saturday, September 28 and 9am Sunday, September 29. During those hours, riders should expect delays of 10-15 minutes. The work is not expected to impact service outside of those evening and early morning hours.

Reducing service to one track helps to ensure safe conditions for workers.

A completely rebuilt escalator is open at Powell Street Station, connecting the platform to the concourse level. This is the fourth platform escalator to reopen with more modern, reliable features at the showcase station; just one more platform escalator remains to be rebuilt at Powell St. and work is already underway.

In fact, one escalator at each of the four downtown San Francisco stations is being replaced simultaneously. The escalator replacement project is BART's biggest investment in this important infrastructure.

Meantime, work continues to build canopies over entrances at the four downtown stations. Once a canopy is complete, escalator crews begin replacing the old escalators with brand new street to concourse units.  

On Sunday, November 5 a work crew will be cutting back and removing trees that could pose a hazard to the trackway near Hayward Station. To ensure safe conditions for workers, service will be reduced from two to one track all day between Hayward and Union City stations. Green Line trains will be cancelled. Riders travelling to San Francisco can use the Orange Line and transfer to a Blue Line train at Bay Fair Station. Riders on the Orange Line between Berryessa and Bay Fair stations should anticipate delays of up to 20 minutes.

You can get more details about BART’s systemwide safety initiative to remove potentially hazardous trees at the project page.

Due to scheduled maintenance, Clipper customers will not be able to do the following from 9 p.m. September 19, 2023 to 9 a.m. September 20, 2023:

• Get a card or add value to a card on the Clipper website or app and through Apple and Google digital wallets.
• Check balances on the Clipper website or mobile app.
• Get account information or add value from the phone system.
• Get a card or add value to their cards at a retailer.

During this time, customers will still be able to add value to their cards at BART, Muni and other transit agency ticket machines. They also will be able to tap their plastic or mobile card to pay their fares.

We thank you for your patience and apologize for the inconvenience.

Clipper is run by the Metropolitan Transportation Commission. 

BART's Oakland Airport Connector will be undergoing planned maintenance on its trackway equipment beginning Tuesday, January 7 until Friday, January 24. The work will begin at approximately 9pm each night and last until 7am each morning of the work period.  During the maintenance window of 9pm-7am, one track will remain in operation, and trains will arrive every 18 minutes, rather than every 9 minutes. On Sundays during the work period, the Oakland Airport Connector will have continue to have its standard two-car service.

This work is necessary preventative maintenance which will help ensure that the Oakland Airport Connector remains safe and reliable. 

We apologize for this inconvenience and appreciate your patience.

UPDATE January 28, 2025:

Work will begin at 8pm on Monday, February 3 so plan for single tracking from then until revenue service ends that night. The planned maintenance (outlined below) will continue from February 4 until February 6.

BART's Oakland Airport Connector will be undergoing planned maintenance on its trackway equipment beginning Tuesday, February 4 until Thursday, February 6. On these days, one track will remain in operation, and trains will arrive every 18 minutes, rather than every 9 minutes during revenue service.

This work is necessary preventative maintenance involving cable repair, which will help ensure that the Oakland Airport Connector remains safe and reliable. 

We apologize for this inconvenience and appreciate your patience.

BART will soon begin a months-long project to replace the platform escalator near the Beale and Pine Street entrances at Embarcadero Station.  There will be no “down” escalator from the concourse to the platform at that end of the station (please see the map below - the escalator is shown in orange). Two sets of stairs will remain open at that end of the station. In addition, a down escalator to the platform will be available at the opposite end of the station. 

A newly-rebuilt escalator near the Main Street entrances is nearing completion and is expected to reopen in the next few days (it is also shown as orange in this map).

The work is all part of the Market Street Escalators Renovation Project, which has already completed 18 newly rebuilt escalators at the four downtown San Francisco stations.  

An entrance to Montgomery Street Station near Sutter and Sansome Streets is scheduled to close October 18th for construction of a new canopy. The entrance is expected to remain closed until Spring 2024. 

Three alternative entrances will remain open, including the entrance at Montgomery and Post Streets where a new canopy has just been completed. 

BART has finished six canopies over station entrances along Market Street and 13 more will be built, including the canopy at the entrance referenced above. The new canopies protect escalators and provide additional wayfinding, lighting, real-time information and security cameras. 

The canopy project is proceeding in conjunction with a program to replace 40 escalators and add one new escalator at the four downtown San Francisco stations. 

For the second time in less than a month, BART riders in downtown San Francisco have a new escalator to enjoy. A completely rebuilt escalator opened this week at Embarcadero Station near the Main Street entrance, about three weeks after a similar unit opened at Powell Street Station. Crews are already beginning work on another escalator at Embarcadero while work also proceeds at Montgomery Street and Civic Center stations. 

The new escalators are designed to be more reliable, energy efficient and longer lasting than the outdated units they replaced.

The escalator replacement project is working in tandem with the station canopy project to transform the rider experience at the four Market Street stations. Crews try to minimize the disruption to passengers by working on one escalator and one canopy at a station at time.