In most U.S. cities, a pothole is treated as a public problem, but a broken sidewalk is treated as the homeowner’s problem.

A delivery robotic device that has the capacity to hold some 6-8 kilos of cargo stands ready to move during its press launch in London in 2016. (Photo by Alastair Grant / AP) This is your first of ...

Camron Bridgford was eating dinner outside at a Miami restaurant when she saw a strange sight: two sidewalk delivery robots in a standoff, each one blocked by the other. “One finally had to back out ...

City officials have explained that the maintenance, repair and replacement of city sidewalks are the responsibility of the property owner unless the sidewalk disrepair has been caused by a city street ...