The engagement of this project has ended
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Please be advised that there is emergency work taking place to reinstate the carriageway between junctions 3 and 4b. Tonight the M4 will be closed overnight between junctions 3 and 4b westbound (last night they were working on the eastbound carriageway) for this very important work - once this is complete there will be no closures until the week commencing 6 January 2020.