Firefighters were called to a lorry blaze on the A483.
Crew members from Wrexham Fire Station made their way to the A483 southbound on sliproad for junction three near Rhostyllen shortly before 4pm.
Firefighters used a hose reel jet to extinguish the blaze which was confined to the tyres.
A North Wales Fire and Rescue Service spokesman said the fire started after the driver pulled up on the hard shoulder after a puncture and was waiting for a recovery vehicle.
It is thought that the wind might have helped to ignite the hot tyres.
No-one was injured.
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