Los Angeles residents may soon be able to avoid the traffic-congested freeways after all.

Uber announced this week that it was adding the California city to the list of test markets to develop its network of flying air taxis operators—Dallas and Dubai had previously been announced. At its second annual Uber Elevate summit this week in Los Angeles--a global gathering of electric vertical takeoff and landing vehicles (eVTOL) stakeholders from industry, government, and academia, the company also further fleshed out what its network...