43inches, Uber isn’t responsible for its drivers. Neither are taxi owners. From Ubers terms and conditions:
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The Uber Services are made available solely for your personal, non-commercial use, unless Uber has agreed with you otherwise in a separate agreement. You acknowledge that: (a) Uber does not provide transportation services or function as a transportation carrier; (b) all such transportation services are provided by independent third party contractors who are not employed by Uber or any of its affiliates; (c) Uber does not provide delivery services; and (d) delivery services may be provided by an Uber affiliate (in its capacity as a delivery services provider) in accordance with the Uber Delivery Terms or a Third Party Provider, if you have purchased delivery services from that Uber affiliate (in its capacity as a delivery services provider) or Third Party Provider via an Application. Uber accepts liability for the Uber Services and Application that it provides to you subject to these Uber Terms. Third Party Providers are solely responsible for the services they provide to you. If an Uber affiliate provides Uber Delivery Services to you, that affiliate is solely responsible for the Uber Delivery Services it provides to you in accordance with the Uber Delivery Terms.