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Emergency Detour Routes Road Closure Action Plan

Emergency Detour Route signsTraffic incidents along Highway 403 can cause major delays for drivers. To help find an alternate route, follow the Emergency Detour Route signs. These signs are permanently posted along six routes throughout the County that are used to divert traffic if Highway 403 must be closed. 

These signs are yellow and black and are visible at the start and along the alternate routes.

What happens during an emergency closure?

  • The OPP is responsible for deciding whether to close a provincial highway, and make sure relevant agencies are notified before traffic is directed off the highway to the detour routes
  • Signs are located on the highway at the start of the Emergency Detour Route (EDR). Once you exit the highway, you can continue to follow the signs along the route
  • The OPP officer at the incident will decide when to deactivate the Emergency Detour Routes

Additional information and guidelines

  • Oversized or overweight loads are only permitted on predefined routes and cannot follow Emergency Detour Routes. Police will direct you to a safe place to park until the highway reopens
  • If you live in the area with an Emergency Detour Route, you may experience an increase in traffic when the route is activated. Local police may direct traffic at key intersections and monitor use of the Emergency Detour Route

View the County of Brant's Emergency Detour Route Road Closure Action Plan (PDF).

Roads, Parking and Public Transit
  • Emergency Detour Routes Road Closure Action Plan

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