Transportation allows residents of the NSJV to travel for work and leisure and allows visitors to travel within the region. Transportation is also necessary for economic activity. Transportation is especially important for the NSJV region because of its important transportation, warehousing, and logistics sectors.
Data for this indicator was obtained from the California Department of Transportation, Highway Performance Monitoring System (HPMS), and the Census Bureau’s American Community Survey (ACS). Total daily vehicle miles traveled was obtained for each county from the HPMS Public Road Data. This was summed across the three NSJV counties and divided by the population of the NSJV obtained from the ACS.
NSJV commuting patterns
Data for this indicator was obtained from IPUMS U.S. census microdata for the 2016 American Community Survey 1-year estimates. This data does not include all counties in the Northern California area because of disclosure issues, but based on historic changes commute flows to those areas are anticipated to remain near the levels reported in the 2017 NSJV Index.