6 1 introduction the surface transportation system is jointly funded by federal state and local governments private sector each level of government has a different role in operation trans portation methods for raising revenue this chapter documents sources uses public funds expended highways transit starts with summary table comparing key highway statistics values shown last report 1995 finance data 1997 conditions performance c&p included estimates expenditures these have been revised to reflect actual also contain will be next version some cases as well bridge section begins discussion funding are broken down source including both an analysis historical trends types
