The Sprawl Index
Vallejo--Fairfield--Napa, CA

 


Overall Sprawl Index Score: 78.38
ranking it 14th most sprawling of 83 metro areas measured.
A lower score on the index indicates a greater degree of sprawl. The average score for all metros ranked is 100. A lower score indicates below average conditions among these 83 US metro areas: for example, less compact housing, a poorer mix of homes and jobs, poor street connectivity, or weaker than average town centers. A score above 100 indicates above average performance, when compared to the other metro areas ranked. Most metro areas score between 50 and 150 on the scale.

What Makes a Place Sprawling:
The sprawl index measured sprawl in four ways. Below are index scores for this metro area.
See the report for a full explanation of each factor. (will link to report) 

Sprawl Factor                                     index score          ranking out of 83
                                                                                (most to least sprawling)

Residential Density Factor                      97.44                       51 
Mix of homes, jobs, & services                116.26                      61 
Strength of town centers/downtowns      40.86                        1 
Accessibility of street network                109.69                      56





The Impact of Sprawl

Outcomes Affected by Sprawl in Vallejo:
                                                                          
Peak 8-hour ozone level (parts per billion):                         78
Fatal accidents per 100,000 persons:                                11.56
Daily Miles Driven per person (DVMT):                                22.8
Average number of vehicles per household:                        1.91
Percent of commuters using Transit:                                 2.44 %
Percent commuters walking to work:                                 2.31 % 
Average Commute Time, in minutes:                                  29.97
Average Annual Traffic Delay in hours:                               n/a

2000 Population: 518,821


MSA is Metropolitan Statistical Area. For more information on MSAs, PMSAs, CMSAs, and NECMAs, see the Census Bureau.

To view a map of Metropolitan Statistical Areas from the Census Bureau, click here (pdf).