UPDATE 4.30PM: Main Roads WA has advised the damaged water main has now been fixed.
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2PM: Mandurah motorists face delays on Pinjarra Road after damaged water main closes one lane.
According to Main Roads WA, crews are working to fix the water problem but one lane westbound on Pinjarra Road is currently closed before Coolibah Avenue in Mandurah.
There has been no word on how long the lane will remain closed.
Motorists are asked to remain patient or to take an alternative route if possible
