States are increasingly granting small delivery robots generous access to city sidewalks; in PA, they are classified as "pedestrians" and can drive up to 12 mph (Jennifer A. Kingson/Axios)

Jennifer A. Kingson / Axios:
States are increasingly granting small delivery robots generous access to city sidewalks; in PA, they are classified as “pedestrians” and can drive up to 12 mph  —  As small robots proliferate on sidewalks and city streets, so does legislation that grants them generous access rights …