Walking, whether for exercise or transportation, is a healthy, low-impact activity that has many benefits. Unfortunately, walking on American sidewalks and crosswalks appears to be far less safe than it once was. Nearly 6,000 pedestrians are estimated to have died in 2016.
Many people believe that self-driving cars will be the next major technological advance. Automakers, technology companies such as Google, and transportation companies such as Uber have invested many millions of dollars in bringing this idea closer to reality.