Driverless vehicles may lead to traffic congestion in cities
A unique simulation for the city of Zurich shows that driverless taxis would not displace personal transport in cities as long as automated private vehicles are also available. Previous simulations assumed too high a demand for automated taxi services, as they did not take into account user preferences regarding flexibility, costs and waiting times.
https://phys.org/news/2019-06-driverless-vehicles-traffic-congestion-cities.html