The Bay Area Rapid Transit system (BART) is expected to receive huge taxpayer subsidies from the new federal infrastructure bill, with most of the money helping with expansions. But trends in Bay Area labor markets and advances in transportation technology suggest new subsidies for massive expansions will be wasted money.

BART wants to build a second underwater transbay tube crossing by 2040 linking Oakland and San Francisco at an estimated cost of $29 billion. BART also plans to connect Bay Area residents with Silicon Valley jobs for another $9.1 billion.