'The project has been subject to a lot of criticism. It’s been repeatedly bashed for a redundant Santa Clara station, choice of a single-bore design for the tunnel and its $12.8 billion price tag. '

https://www.msn.com/en-us/money/realestate/neil-bart-to-downtown-san-jose-will-cost-12-8b-how-did-we-get-here/ar-BB1nd5he