For more than a century, the automobile has reigned as the single most important transportation technology for daily life in America. While all signs point to its continued dominance, increasingly Americans use their car as one of many transportation technologies in any given day – complementing it with bicycles, dockless scooters, mass transit, ride-hailing apps, and even automated shuttles.  As consumer choice increases and transportation habits change, what’s happened to safety, and what should stakeholders think about as they design and build the infrastructure of the future?