Flashing traffic lights, downed trees and other traffic impediments are a nuisance and many factors determine how cities and police departments handle them -- or not.

Caltrans announced Wednesday it has installed temporary traffic signals and lane striping to implement 24/7 reverse traffic control to assist in directing traffic at the Cummings Skyway ...

In his recent circular, the Commissioner instructed DCPs to ensure law-and-order police assist traffic police during peak ...