Two fatal police shootings in Aurora, involving Rajon Belt-Stubblefield and Blaze Balle-Mason, are under intense scrutiny.

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.

“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 ...