The most common speed limit for a driver who strikes and kills a person walking is 45 mph in an urban area and 55 mph in a rural area. In rural areas, 55 mph is the most common speed limit where a pedestrian is killed for all roadway types except interstates.
The World Health Organization recommends 20 mph speed limits for streets where people biking and walking are expected to regularly interact with motor vehicles. Data shown is for 2017-2021.