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Contraflow Introduced After Conwy Tunnel Blaze Shuts Westbound A55

Safety inspections are under way following Thursday’s blaze that shut the tunnel in both directions, with only eastbound traffic using a contraflow.

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Overview

  • North Wales Fire and Rescue Service declared a major incident after a crane lorry caught fire inside the Conwy Tunnel at around 2pm on Thursday, and crews contained the blaze by evening with no injuries reported.
  • The westbound carriageway remains closed for safety inspections, while Traffic Wales has opened the eastbound lanes under a contraflow system.
  • Drivers are facing significant delays across northwest Wales and are being urged by authorities to allow extra travel time or seek alternative routes.
  • Nearby residents were instructed to keep doors and windows shut due to acrid smoke that spilled from the tunnel into surrounding areas.
  • The crane lorry was destroyed in the fire and diversions remain in place pending a full tunnel reopening.