Here's a study looking at that: https://bicycle-research.ucdavis.edu/bicyclists-as-consumers-mode-choice-and-spending-behavior-in-downtown-davis-ca/ https://bic

Here's a study looking at that: https://bicycle-research.ucdavis.edu/bicyclists-as-consumers-mode-choice-and-spending-behavior-in-downtown-davis-ca/ https://bicycle-research.ucdavis.edu/bicyclists-as-consumers... Found bikers basically spend as much as drivers... they spend less per trip but make more trips.