6/19/2026 Update: The work that had been planned to take place on Saturday, June 20 has been postponed. We will instead offer normal service. This article will be updated once a new date for the work is scheduled.

On the night of Saturday, June 20, service will be reduced from two tracks to one between Downtown Berkeley and MacArthur stations for critical rail replacement work. Reducing service to one track will create a safe work zone for crews so they can replace 4,000 feet of rail. The work will begin at 10:30pm and will continue until service resumes the next morning. Riders should expect delays of 20-30 minutes. Additional service impacts include:

• 30-minute service on the Orange Line (Richmond-Berryessa North San Jose).
• No transfer meet at MacArthur Station for Berryessa-bound Orange Line trains with San Francisco/SFO bound Yellow Line Trains at MacArthur, except for the last train of the night. 
• No Grand Meet
• All Berryessa-bound riders transferring from the Yellow Line must take the second to last train to transfer to an Orange Line train. 
• Expect longer transfers at MacArthur and Bay Fair stations. 
• Richmond-bound trains will board at Platform 4 at MacArthur Station. There will be temporary signage to help riders find the correct platform.

Most of the work will happen during overnight hours when BART isn't running trains. The work is not expected to have any impact on BART service the next day.