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

(3) Public entity-public transport. Public entities that provide designated public transportation shall make reasonable modifications in policies, practices, or procedures when the modifications are necessary to avoid discrimination on the basis of disability or to provide program accessibility to their services, subject to the limitations of § 37.169(c)(1)-(3). This requirement applies to the means public entities use to meet their obligations under all provisions of this part.