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Vehicle pursuit data provided to the California Highway Patrol

Use of Force Reports may have multiple officers associated with a single incident

Beat officers must continually balance the readiness required of an emergency responder with the guardianship and problem-solving resolve of a community caretaker.

Vehicle pursuit data provided to the California Highway Patrol

VITAL SIGNS INDICATOR
Commute Mode Choice (T1)

FULL MEASURE NAME
Commute mode share by residential location

LAST UPDATED
May 2017

DESCRIPTION
Commute mode choice, also known as commute mode share, refers to the mode of transportation that a commuter uses to travel to work, such as driving alone, biking, carpooling or taking transit. The dataset includes metropolitan area, regional, county, city and census tract tables by place of residence.

DATA SOURCE
U.S. Census Bureau: Decennial Census (1960-2000) - via MTC/ABAG Bay Area Census
http://www.bayareacensus.ca.gov/transportation/Means19802000.htm

U.S. Census Bureau: American Community Survey
Form B08301 (2006-2015; place of residence)
www.api.census.gov

CONTACT INFORMATION
vitalsigns.info@mtc.ca.gov

METHODOLOGY NOTES (across all datasets for this indicator)
For the decennial Census datasets, the breakdown of auto commuters between drive alone and carpool is not available before 1980. "Other" includes bicycle, motorcycle, taxi, and other modes of transportation.

For the American Community Survey datasets, 1-year rolling average data was used for metros, region, and county geographic levels, while 5-year rolling average data was used for cities and tracts. This is due to the fact that more localized data is not included in the 1-year dataset across all Bay Area cities. Regional mode share was calculated using county modal data and calculating the weighted average based on county populations. "Auto" includes drive alone and carpool for the simple data tables and is broken out in the detailed data tables accordingly, as it was not available before 1980. "Other" includes motorcycle, taxi, and other modes of transportation; bicycle mode share is broken out separately for the first time in the 2006 data and is shown in the detailed data tables. Census tract data is not available for tracts with insufficient numbers of residents.

The metropolitan area comparison was performed for the nine-county San Francisco Bay Area in addition to the primary MSAs for the nine other major metropolitan areas.

Officer-initiated traffic and pedestrian stops

Beat officers must continually balance the readiness required of an emergency responder with the guardianship and problem-solving resolve of a community caretaker.

Beat officers must continually balance the readiness required of an emergency responder with the guardianship and problem-solving resolve of a community caretaker.