49 CFR § 37.191 - Special provision for small mixed-service operators.
(a) For purposes of this section, a small mixed-service operator is a small operator that provides both fixed-route and demand-responsive service and does not use more than 25 percent of its buses for fixed-route service.
(b) An operator meeting the criteria of paragraph (a) of this section may conduct all its trips, including fixed-route trips, on an advance-reservation basis as provided for demand-responsive trips in § 37.189. Such an operator is not required to comply with the accessible bus acquisition/equivalent service obligations of § 37.183(b).
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