A second road accident has taken place in two days on the Shore Road between Largs and Skelmorlie.
A Transport Scotland spokesman said: "All lanes restricted in both directions for up to 45 minutes. Please allow extra time for your journey."
Stagecoach buses have also advised passengers of possibly delays on their 585 service because of the RTC.
At 1.20pm, it was confirmd that the road had re-opened.
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