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# BART trains are working again: 'We are investigating exactly what went wrong'
- URL: https://www.berkeleyscanner.com/2025/09/05/community/bart-trains-service-delay/
- Published: 2025-09-05T14:42:26.000Z
- Updated: 2025-09-05T20:45:23.000Z
- Description: East Bay BART service was restored at 9:30 a.m. and full service was restored at 11:45.
- Author: Emilie Raguso
- Tags: Community, Breaking news, #articles, Traffic safety

**Update:** East Bay BART service was restored at 9:30 a.m. and full service was restored at 11:45, the transit agency reports.

BART issued the [following statement](https://www.bart.gov/news/articles/2025/news20250905?ref=berkeleyscanner.com) about the outage. It appears below in full.

> This service disruption occurred due to a computer equipment problem following overnight network upgrade work. The work is part of an ongoing multi-year project to upgrade the communications and computer systems, including switches and routers, that support BART operations.

> We do this work continuously during the hours we are not running. It is not a one night project. 

> Something related to this upgrade work triggered a problem preventing all of our communication systems to come online. We are investigating exactly what went wrong. 

**Original story:** A system-wide "computer equipment problem" has delayed the start of BART train service Friday morning, the transit agency has announced.

The incident began at 7:20 a.m. "[following network upgrade work](https://511.org/alerts/critical?ref=berkeleyscanner.com); which is preventing the start of service this morning," according to 511.org.

"This is related to an ongoing upgrade \[to\] our computer network system," a BART rep told TBS on Friday morning. "We do this work continuously during the hours we are not running. It is not a one night project."

BART has advised commuters to "seek [alternative means of transportation](https://planner.bart.gov/?products=364&ref=berkeleyscanner.com#!P|TP!H|96581)."

![](https://storage.ghost.io/c/8e/3b/8e3bb516-9b88-46c2-aa85-566ed9c3647c/content/images/2025/09/alternatives-map-1.png)

Transbay service options from BART stations. [**BART*](https://www.bart.gov/news/articles/2025/news20250905?ref=berkeleyscanner.com)

AC Transit also has a site devoted to [bus alternatives between BART stations](https://www.actransit.org/BART-alternatives?ref=berkeleyscanner.com), including Transbay service into San Francisco.

SF Muni is also "providing mutual aid between Embarcadero and Balboa Park and [County Connection](https://countyconnection.com/alerts/bartoutage/?ref=berkeleyscanner.com) is also providing mutual aid. [Capitol Corridor](https://content.govdelivery.com/accounts/CACCTRAN/bulletins/3f134f7?ref=berkeleyscanner.com) is honoring tickets for its passengers connecting to BART during the closure."

*We updated this story repeatedly due to the developing nature of events.*

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