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M4 junctions 6 at Slough / Windsor to 10 at Wokingham, 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).
We have the following full closure booked for the week commencing 13th May 2019:
The following additional slip road closures are booked:
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. 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.