Multiple Mobility as a Service (MaaS) use cases are emerging and will create vast business opportunities. Robo-taxis have received the most attention and investments among the autonomous vehicle (AV) market segments. Fixed route AVs are easier to deploy and have seen hundreds of demonstrations and tests, and early deployments have started. Who is leading the race to develop, deploy, and lead in fixed route AVs and robo-taxis among startups, transportation network companies (TNCs), auto manufacturers, and high-tech firms?