databases of statistical information
U.S. Bureau of Transportation
National data on airlines, trucking, shipping, highways and transportation shipping.
California Department of Transportation
Traffic counts on state highways in California.
Bay Area Rapid Transit District
A survey done by BART that has data on ridership at the transit district's 40+ train stations.
UC Berkeley News21 Project
A data visualization of BART's 2008 station profile study along with other information on the transit district's 43 stations, their passengers and people who live near the stations. Created by a team of students working for the UC Berkeley News21 Project.