And oh by the way - tear down what's left of 280. Dig them light-rail turns - on a line intended for HSR sharing near the terminal. So Hizzoner is now a railroad designer. From Rough & Tumble:
I-280 near Mission Bay would be razed in Caltrain tunnel plan -- San Francisco Mayor Ed Lee is quietly shopping plans to tear down Interstate 280 at Mission Bay and build an underground rail tunnel through the area — complete with a station between the proposed Warriors arena and AT&T Park.
Matier & Ross in the San Francisco Chronicle -- 5/11/15