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Transportation Spending by Low-Income California Households ...

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share of the population taking transit and a low share commuting <strong>by</strong> car.<br />

Commute times are the same across the income groups for four counties<br />

(Napa, San Francisco, San Mateo, and Santa Clara), and lower for the<br />

low-income group in five counties (Alameda, Contra Costa, Marin,<br />

Solano, and Sonoma).<br />

For all three income levels, most counties show somewhat similar<br />

distributions of mode choices. San Francisco is an extreme outlier,<br />

however, being much less vehicle-oriented than the other counties<br />

(Tables 5.6 through 5.8). Alameda and Marin have patterns that lie<br />

between the results for San Francisco and the results for the rest of the<br />

counties, but they are still closer to the rest of the counties than to San<br />

Francisco in mode choice patterns.<br />

San Francisco has 39 percent of low-income households driving or<br />

carpooling to work, whereas Alameda has 68 percent, Marin has 67<br />

percent, and the other counties have between 75 percent and 85 percent<br />

(Table 5.7). The variation in percentages for higher-income households<br />

is not quite as great, but the pattern is similar: San Francisco has 53<br />

percent driving or carpooling, Marin has 77 percent, Alameda has 82<br />

percent, and the rest of the counties have between 84 percent and 92<br />

percent (Table 5.8).<br />

The converse pattern holds for public transit use, which is much<br />

higher in San Francisco than elsewhere. Thirty-eight percent of lowincome<br />

San Francisco commuters take public transit. The corresponding<br />

percentages in the other counties are 17 percent in Alameda, 15 percent<br />

in Marin, around 10 percent in Contra Costa, San Mateo, and Santa<br />

Clara, and below 5 percent in the remaining counties. Most of this<br />

transit use comes from bus ridership, but in Alameda, Contra Costa, and<br />

San Francisco, about 5 percent of low-income workers ride light rail.<br />

For higher-income workers, San Francisco again has the highest<br />

percentage of transit users, at 30 percent. Alameda and Marin Counties<br />

both have 10 percent, Contra Costa has 9 percent, San Mateo has 7<br />

percent, and the rest are 3 percent or under. In Alameda and Contra<br />

Costa, light rail use is more common than bus use among the higherincome<br />

workers, which is different from what we saw for the low-income<br />

workers in those counties. Light rail also has high use in San Francisco<br />

72

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