How well do US cities support access to jobs by transit, walking?

The following maps show summary accessibility data and maps for each of the 46 metropolitan areas included in the study.

The maps show 30-minute accessibility values at the Census block level. Lighter colors indicate few jobs can be reached within 30 minutes; darker colors indicate more jobs can be reached within 30 minutes. At the highest levels, millions of jobs are accessible by transit within 30 minutes. Travel times include walking, waiting, riding, and transfers.