This Map Shows the Average Travel Time for Each County in the United States.
Geographic statistics site Overflow Data compiled census data into an interactive map of average travel time to work in the United States. Zoom in on the state or check the range in each state. Worst of all travel is on the east coast; Traffic in Los Angeles is still not as bad as the NYC subway. And the worst is to get to Pike County, Pennsylvania, three hours from New York.
Overflow Data also has county-by-county maps for population change , gender ratio, and college recruitment .