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Transportation Spending by Low-Income California Households ...

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potential social costs such as pollution and congestion must be taken into<br />

account. In short, the estimated total benefits and costs of a project<br />

should be taken into consideration and compared to the total benefits<br />

and costs of the alternatives. However, when choosing among several<br />

projects that all have positive benefits, policymakers should pay attention<br />

to the distribution of the benefits as well as to the overall net gain from<br />

each potential project.<br />

In some cases, particularly for new, untested approaches, it may be<br />

difficult to get precise estimates of the costs and benefits. Lack of precise<br />

estimates should not necessarily preclude a policy from being considered,<br />

but if a policy with unknown costs and benefits is undertaken,<br />

policymakers should seriously consider implementing a formal<br />

evaluation, so that a more accurate understanding of the costs and<br />

benefits can be acquired for the future.<br />

It should be kept in mind that the options discussed in this chapter<br />

are not mutually exclusive; indeed, an optimal approach will include a<br />

mix of strategies. Blumenberg and Hess (2002) provide a useful fourpart<br />

structure for tailoring programs to the geographic areas to which<br />

they are best suited. The article is specifically about welfare recipients,<br />

but the following recommendations can easily be extended to the wider<br />

low-income population:<br />

• For job-rich areas with a high density of welfare recipients, they<br />

suggest focusing on fixed-route public transit service.<br />

• For job-rich areas with a low density of welfare recipients, they<br />

recommend employer-sponsored vanpool or shuttle services and<br />

a focus on housing mobility policies to enable welfare recipients<br />

to move into the area.<br />

• For job-poor areas with a high density of welfare recipients, they<br />

suggest an emphasis on private vehicle ownership, nonfixedroute<br />

service, rapid buses and freeway flyers, and local economic<br />

development.<br />

• Last, for job-poor areas with a low-density of welfare recipients,<br />

they recommend concentrating on increasing private vehicle<br />

ownership.<br />

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