The congestion is largely due to the bay bridge. People working downtown leaving to go to the East will always clog up that pathway which then ripples. You coul

The congestion is largely due to the bay bridge. People working downtown leaving to go to the East will always clog up that pathway which then ripples. You could force others who also want to get to the East bay to take earlier on-ramps, but the slow traffic to the bridge will continue the slow traffic to get to the bridge downtown, so there’s no good way to avoid that other than have East bay folks take Bart or a bus.