Since the passage of Proposition 1A, cost estimates for the project have risen due to increased planning and disputes over routes, and ridership projections have faced scrutiny by a number of groups including UC Berkeley's Institute of Transportation Studies.
Cost estimates for the project have risen due to increased planning. This was since the passage of Proposition 1A. Cost estimates for the project have risen due to disputes over routes. This was since the passage of Proposition 1A. Ridership projections have faced scrutiny by a number of groups including UC Berkeley's Institute of Transportation Studies. This was since the passage of Proposition 1A.