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At a Crossroads in Our Region's Health: Freight Transport and the Future of Community Health in the San Francisco Bay Area

crossroads_for_health_cover_small.jpgPriority Development Areas in the San Francisco Bay region overlap with communities with the highest health risk from toxic air contaminants, including diesel pollution from freight transport, designated as CARE zones by the Air District. But a new study from the Pacific Institute and the Ditching Dirty Diesel Collaboration found that 74% of the land in Priority Development Areas that intersect with CARE communities is far enough away from freight transport hazards to be suitable for sensitive land uses like new housing. With wise regional planning, decision-makers have the power to develop the region’s economic capacity while protecting the health of vulnerable communities.

The new analysis, At a Crossroads in Our Region’s Health: Freight Transport and the Future of Community Health in the San Francisco Bay Area, maps the Priority Development Areas, with 45 detailed local maps of five Bay Area counties.

See Bay Area Maps and Maps by County below.

Priority Development Areas MapThese maps highlight the 26% of the land in CARE communities where it is inadvisable to site sensitive land uses like new housing. Within the significant remaining area, one out of every three acres is zoned as residential or mixed residential /commercial, providing planners great potential for reducing land-use conflicts between residential and freight-transport-related land uses.

Using mapping and spatial analysis, the new report assesses the current and potential conflicts that exist between freight-transport-related land uses and sensitive land uses such as housing, schools, parks, and health clinics in these areas. To determine which places are most impacted by freight-related land uses, the researchers generated health-protective buffers around freight-transport-related land uses including freeways, rail yards, seaports, airports, warehouses, and distribution centers. The report identifies how many sensitive land uses – such as schools, parks, and health clinics – are already located within these health-protective distances from freight-related land uses, and identifies the amount of residentially zoned land within these health-protective buffer zones to assess for future land-use conflicts.

“In implementing state climate legislation SB 375 in the Bay Area, regional decision-makers are crafting a Sustainable Communities Strategy that will guide how we invest public dollars to encourage more compact land use and development patterns,” said Margaret Gordon from the Ditching Dirty Diesel Collaborative, a regional coalition of community groups and health organizations that co-authored the report. “Freight transport is a major source of unhealthy pollution that disproportionately affects low-income and communities of color in our region. But this new study shows that suitable places to put new housing, schools, parks, and other sensitive land uses can be found in Bay Area communities that will protect residents from being exposed to sources of harmful pollution.”

The Pacific Institute/Ditching Dirty Diesel report recommends that to minimize potential land use conflicts, available suitable land located at a health-protective distance from freight-related land uses should be prioritized for new housing and other sensitive land uses. The remaining land area located in close proximity to freight-related land uses can be prioritized for commercial and light industrial development that creates jobs for local residents while protecting worker health.

Bay Area Overview Maps

Maps by County


East Contra Costa County

West Contra Costa County

San Francisco County

San Mateo County

Santa Clara County

Download the full report (32MB PDF)
Download the report without maps (1MB PDF)
Download the Executive Summary (PDF)
Download Summary Points (PDF)
Download all maps by county (PDF)
Download the press release (PDF)

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At a Crossroads in Our Region’s Health (Full Report with Maps, 32MB PDF)

Full Report without Maps (1MB PDF)

Executive Summary (PDF)

Summary Points

Press Release


Bay Area Overview Maps (1.7MB PDF)

Alameda County (6MB PDF)

East Contra Costa County (4.7MB PDF)

West Contra Costa County (3.9MB PDF)

San Francisco County (3.3MB PDF)

San Mateo County (4.6MB PDF)

Santa Clara County (6.5MB PDF)


Clearing the Air: Reducing Diesel Pollution in West Oakland

Deluged by Diesel: Health Solutions for West County

West Oakland Health Survey Results

Neighborhood Knowledge for Change: West Oakland Environmental Indicators Project