Crystal Balls and Black Boxes: Optimism Bias in Ridership and Cost Forecasts for New Starts Rapid Transit ProjectsStatusCompleteProject TimelinePrincipal Investigator Carole Turley VoulgarisAreas of Expertise Public Transit, Shared Mobility, & Active TransportationCampus(es) UCLA Related Publications policy brief Crystal Balls and Black Boxes: Policy Effects on Optimism in Ridership and Cost Forecasts for New Starts Rapid Transit Projects dissertation Crystal Balls and Black Boxes: Optimism Bias in Ridership and Cost Forecasts for New Starts Rapid Transit Projects