The nation is sharply divided on the effectiveness and the ethics of speed cameras, a key piece of smart city technology. But the answer to whether they work to improve traffic safety, and if so ...

“Don’t open Pandora’s box.” Last September ... legislation that allows state and local police to set up speed cameras at ...

SAN FRANCISCO (KGO) -- Drivers may hate it, pedestrians may love it, but the use of speed cameras on San Francisco city streets is now a reality. On Thursday, some of the 33 new cameras turned on.