San Francisco’s streets have become a proving ground for Uber’s latest venture—autonomous electric SUVs produced with Lucid and Nuro. The testing phase, which began last month, signals a potential shift in how ride-hailing services will operate in the near future.

Amazon’s Zoox is debuting its driverless taxi service in Las Vegas, offering free rides to curious passengers. This high-tech gamble highlights both safety concerns and the promise of next-level urban transport in the city where everything is a wager.