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M4 junctions 8/9 at Maidenhead to 11 at Reading, Berkshire: upgrade to smart motorway
Work to improve journeys by converting the M4 into a smart motorway between Junctions 3 at Hayes to Junction 12 at Theale continues this week. 24 hour narrow lanes and a 50mph speed restriction are in place for sections of this stretch of the M4. Carriageway and slip road closures are planned as follows, all fully closed overnight between approximately 10pm and 5am (traffic management will usually be rolled out from 9pm and taken off by 6am).
Please be advised of three upcoming full weekend closures in both directions of the M4 this Autumn. More details will be sent out in due course or you can read the Summer 2019 newsletter :
Full closures booked for the week commencing Monday 26th August are as follows:
In the event of poor weather conditions or other issues out of our control, planned work may be postponed at short notice. Contingency bookings are also in place, but these are only used if previously planned work is delayed and there is no clash with other closures. If work completes on an earlier day the motorway may not close, or if work completes ahead of schedule the motorway may reopen early. Signage will be in place on the network to notify of closures and diversions.