M4 J3-12 smart motorway

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M4 smart motorway work closure update for the week commencing 14th October 2019

M4 junctions 3 at Hayes to 12 at Theale, 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 (traffic management will usually be rolled out from 9pm and taken off by 6am).

Some additional closures have been booked in for this weekend:

  • The M4 eastbound carriageway between junctions 4b (M25) and 3 (Hayes) will be closed overnight on Saturday 12 and Sunday 13 October. Clearly signed diversions will be in place utilising the local network.
  • Junction 8/9 – the westbound exit slip will be closed overnight on 11 October.
  • Junction 10 – the eastbound entry from A329M southbound (slip road 4) will be closed overnight on 11 October.
  • Junction 10 – the eastbound exit slip to the A329M southbound (slip road 7) will be closed overnight on 12 October.
  • Junction 12 – the eastbound exit slip will be closed overnight on 11 and 12 October.
  • The following closures planned for the week commending Monday 14 October:

  • The M4 eastbound carriageway between junctions 12 (Theale) and 11 (Reading) will be closed overnight on Monday 14, Tuesday 15 and Friday 18 October. Clearly signed diversions will be in place utilising the A4 and the A33.
  • The M4 eastbound carriageway between junctions 8/9 (Maidenhead) and 6 (Slough/Windsor) will be closed overnight on Wednesday 16 October. Clearly signed diversions will be in place utilising the A308M, A308 and 332.
  • The M4 westbound carriageway between junctions 6 (Slough/Windsor) and 8/9 (Maidenhead) will be closed overnight on Thursday 17 October. Clearly signed diversions will be in place utilising the A308M, A308 and A332.
  • The M4 westbound carriageway between junctions 8/9 (Maidenhead) and 10 (Wokingham) will be closed overnight on Wednesday 16 October. Clearly signed diversions will be in place utilising the A404M, A4, A3290 and A329M.
  • There are also slip road closures booked as follows:

  • Junction 10 – the westbound entry slip from the A329M northbound (slip road 2) will be closed overnight on 14 October.
  • Junction 10 – the eastbound entry slip from the A329M southbound (slip road 4) will be closed overnight on 16 October.
  • Junction 10 – the eastbound entry slip from the A329M northbound (slip road 5) will be closed overnight on 14, 15, 16 and 18 October.
  • Junction 10 – the eastbound exit slip to the A329M southbound (slip road 7) will be closed overnight on 17 October.
  • Posted on 11th October 2019

    by M4 J3 to 12 Communications Team