Go to Indicator definition
Scale Range: 12 – 67
Definition: The extra time spent traveling at congested speeds rather than free-flow speeds by private vehicle drivers and passengers who typically travel in the peak periods.
Notes: Includes only "urban area" of metro area, defined as those areas with population density over 1,000 people per square mile.
Source: Texas Transportation Institute, "2012 Urban Annual Mobility Report" http://mobility.tamu.edu/ums/