Vuchic, Vukan R2023-05-222023-05-221974-03-062017-05-12https://repository.upenn.edu/handle/20.500.14332/34020A statement presented by Vukan Vuchic at the House Transportation Appropriations Subcommittee Hearing in the U.S. House of Representatives in March 1974.flash_audioSystems EngineeringTransportation EngineeringPresentation