Article Photos: Norman signal lights get flashing yellow arrows

Right: Billy Unruh, with Traffic Systems Inc., installs new cable as other workers put in new controllers, lights and a left turn with flashing yellow sign. PHOTOs BY STEVE SISNEY, THE OKLAHOMAN

Right: Billy Unruh, with Traffic Systems Inc., installs new cable as other workers put in new controllers, lights and a left turn with flashing yellow sign. PHOTOs BY STEVE SISNEY, THE OKLAHOMAN