evidence: - If a nondisabled person is sitting in one of the "priority" seats in the front of a bus, does that person have to move so that a person with a disability can sit there? [...] If a nondisabled person is sitting in one of the "priority" seats in the front of a bus, does that person have to move so that a person with a disability can sit there? [...] May a transit entity set a minimum age limit for children riding without a parent or guardian?