In a city shaped by centuries of human movement, fifteen autonomous vehicles have begun navigating London's roundabouts and narrow passages — not alone, but with a human hand nearby, ready to intervene. Uber's partnership with British AI company Wayve marks a careful step into one of the world's most complex urban environments, where the question is not merely whether machines can drive, but whether cities, regulators, and the people who depend on transportation for their livelihoods are ready to let them. The experiment is live, the boundaries are real, and the larger reckoning — about labor,