Motorists can 'expect long delays' right next to a busy Chester junction for at least five weeks starting on Monday (July 23).
Water company Hafren Dyfrdwy is replacing the mains pipe on a stretch of Saughall Road from the Deva Link as far as Cranleigh Crescent in Blacon .
A traffic light-controlled section will be in operation while the roadworks take place.
A roadside sign says works will go on for five weeks although according to Cheshire West and Chester Council website the disruption could last until September 7 at the latest.
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The notice says work will take place in the carriageway, on the verge and on the footway.