Much slower speed limits as well as physical traffic calming measures to limit how fast people are comfortable going on streets in cities. Currently the way it’s handled is mostly by trying to optimize for car throughput. There is no consideration to the safety of pedestrians or cyclists, nor really of the risk to drivers at higher speeds in a collision. North American cities are so drunk on car-centric approaches to urban planning that they can’t comprehend how to build cities that are actually conducive to human life anymore.