From BART:
The dates and times of the track closures are as follows:
Date Track Work Times
September 5-7 From the end of service Friday and all day Saturday, Sunday and Monday (reminder, Monday is a holiday and BART will operate on a Sunday schedule). Regular train service will resume for the Tuesday morning commute.BART is encouraging travelers to plan ahead, avoid unnecessary transbay travel, or to find alternate means of transportation across the Bay during Labor Day weekend. BART will close the West Oakland Station and will not run trains between West Oakland and Embarcadero stations on September 5,6, &7th, while we repair a critical section of track near the Transbay Tube.