An audit carried out by the Portland, Oregon, City Auditor’s office found that crash rates at red light camera intersections in the city were lower than before the cameras were installed and were also lower than at most dangerous intersections without cameras. The City of Portland uses 11 cameras at 10 intersections to enforce laws against red-light running and to improve safety. The Police Bureau operates the red light camera program and oversees a vendor who owns the cameras and issues citations once the