The Road Emergency Services Communications Unit (RESCU) is a traffic management system used by the City of Toronto on city managed highways. The system is used to monitor traffic on the Don Valley Parkway, Lake Shore Boulevard and F.G. Gardiner Expressway.The 35 km system consists of:53 traffic cameras635 vehicle sensors5 overhead changeable message signs - Gardiner and DVP4 portable signs121 detector stations (650 loops)Remote Traffic Information System (RTIS) - websiteRESCU is linked to the Ontario Ministry of Transportation's Freeway Management System - COMPASS).
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