Amazon’s Zoox robotaxi service is launching a new round of tests in a potentially risky place–a city full of people who can pass laws that could put its business on a much rougher road. The company that Amazon acquired in 2020 announced the addition of Washington, DC, to its road-test road map on Tuesday. The District is Zoox’s eighth test market, following Atlanta, Austin, the Bay Area, Las Vegas, Los Angeles, Miami, and Seattle. Tesla’s robotaxi launched service in Austin in June, but has already drawn the attention of federal road-safety investigators after some early crashes. Waymo is also testing in other cities, New York the most notable (and challenging) among them.