The manager whom Mayor Lori Lightfoot has tapped to become the city’s new transportation chief, Gia Biagi, said last week that the cameras do indeed serve as a deterrent to unsafe driving. She also said the city will take a close look at the placement of red-light cameras, “the larger question of how many and where, reductions and additions and all of that … particularly over the next couple of weeks as we think about our capital priorities.”