“From City Hall, City Springs, we have a Traffic Management Center,” Millholland explained, which he said contains hundreds of cameras and also engineers that work to re-time traffic signals around ...

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.

Abstract: Previous research has shown the impact of traffic on air pollution, with many focusing on developed countries and few analyzing this problem in developing countries in South America. Lima is ...