49 CFR Part 37 - Transportation for Individuals With Disabilities; Reasonable Modification of Policies and Practices

§ 37.3 Definitions.

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Origin-to-destination service means providing service from a passenger's origin to the passenger's destination. A provider may provide ADA complementary paratransit in a curb-to-curb or door-to-door mode. When an ADA paratransit operator chooses curb-to-curb as its primary means of providing service, it must provide assistance to those passengers who need assistance beyond the curb in order to use the service unless such assistance would result in in a fundamental alteration or direct threat.

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