The Wallasey Tunnel is closed in one direction and traffic is queuing after a crash.
Merseytravel said one direction of the Kingsway Tunnel has been forced to close after a crash on Wednesday, February 2.
The incident happened on the Wallasey bound carriageway. It's unclear how many vehicles are involved and if anyone is injured.
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Merseytravel posted on Twitter at 6.40pm: "Due to a road traffic collision (RTC), the Kingsway tunnel is currently closed to traffic travelling from #Liverpool towards #Wallasey.
"Please consider an alternative route and allow extra time for your journey."
Traffic monitoring service, INRIX is reporting delays of up to 20 minutes due to the crash.
The AA traffic map also shows traffic is queuing back to Scotland Road and Leeds Street.
Arriva North West and Stagecoach services between Liverpool and Wirral are affected by the crash.
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