M4 J3-12 smart motorway

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M4 smart motorway work closure update for the week commencing 25th March 2019

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:

  • The M4 westbound carriageway between junctions 10 (Wokingham) and 11 (Reading) will be closed overnight on Monday 25, Tuesday 26 (contingency) and Friday 29 March. Clearly signed diversions will be in place utilising the B3270, A3290 and the A329M.
  • The M4 eastbound carriageway between junctions 11 (Reading) and 10 (Wokingham) will be closed overnight on Wednesday 27, Thursday 28 (contingency) and Saturday 30 March. Clearly signed diversions will be in place utilising the B3270, A3290 and the A329M.
  • The M4 westbound carriageway between junctions 8/9 (Maidenhead) and 10 (Wokingham) will be closed overnight on Thursday 28 and Friday 29 (contingency) March. Clearly signed diversions will be in place utilising the A404M, A4, A3290 and the A329M.
  • The M4 westbound carriageway between junctions 11 (Reading) and 12 (Theale) will be closed overnight on Saturday 30 (contingency) and Sunday 31 March. Clearly signed diversions will be in place utilising the A33 and the A4.
  • 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.

    Posted on 22nd March 2019

    by M4 J3 to 12 Communications Team