The traffic management system for Highway 401 in Metropolitan Toronto is known as COMPASS. COMPASS was developed to provide safe and efficient travel on 42 km of the highway. It consisted of CCTV cameras and loop detectors for monitoring highways and determining traffic speed, volume, and density. Incident conditions and delay information were sent to variable message signs, the media, faxes, and radio stations to enable motorist to choose alternative routes (no alternative route information was transmitted). The system reduced average incident duration from 86 minutes to 30 minutes per incident.