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M4 junctions 7 at Slough West 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. Contingency bookings are in place and only used if previously planned work is delayed.
We have the following full closures booked for the week commencing 25th March 2018:
In the event of poor weather conditions or other issues out of our control, planned work may be postponed at short notice. 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.