That's fine in cities, but in the US we have countless roads that stretch for hundreds of miles through remote locations far from developed areas. The cost to

That's fine in cities, but in the US we have countless roads that stretch for hundreds of miles through remote locations far from developed areas. The cost to install, maintain, and power these hypothetical cameras along just one of these roads could easily stretch into the tens of millions with expensive upkeep as well. It's just not tenable.