The estimated cost of building 119 miles of bullet train track in the Central Valley has jumped to $10.6 billion, an increase of $2.8 billion from the current budget and up from about $6 billion originally.
The new calculation takes into account a number of intractable problems encountered by the state rail agency. It raises profoundly difficult questions about how the state will complete what is considered the nation’s largest infrastructure project with the existing funding sources.