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).
WEEKEND CLOSURE IN FEBRUARY: The M4 between junctions 4b and 5 will be closed in both directions from approximately 10pm on Friday 21 February until 6am on Sunday 23 February 2020 (work will be out of the way for the Six Nations match at Twickenham that afternoon). Traffic will be diverted to the M25, A3113, A3044 and the A4. Strategic diversions will also be in place in the wider region using the M25, M3 and M40.The January 2020 news bulletin is available here
Overnight full closures next week are as follows:
The M4 eastbound carriageway between junctions 6 (Slough/Windsor) and 5 (Langley) will be closed overnight on Monday 27 and Tuesday 28 January 2020. Clearly signed diversions will be in place utilising the A355 and the A4. The M4 eastbound carriageway between junctions 11 (Reading) and 10 (Wokingham) will be closed overnight on Monday 27 January 2020. Clearly signed diversions will be in place utilising the B3270 and the A329M. The M4 westbound carriageway between junctions 8/9 (Maidenhead) and 10 (Wokingham) will be closed overnight on Wednesday 29 January 2020. Clearly signed diversions will be in place utilising the A404, A4, A3290 and the A329M. The M4 eastbound carriageway between junctions 12 (Theale) and 11 (Reading) will be closed overnight on Wednesday 29 January 2020. Clearly signed diversions will be in place utilising the A4 and the A33. The M4 westbound carriageway between junctions 11 (Reading) and 12 (Theale) will be closed overnight on Thursday 30 January 2020. Clearly signed diversions will be in place utilising the A33 and the A4. The M4 eastbound carriageway between junctions 5 (Langley) and 4b (M25) will be closed overnight on Thursday 30 and Friday 31 January 2020. Clearly signed diversions will be in place utilising the A4, A3044, A3113 and the M25. There are also slip road closures booked as follows:
Junction 10 – the westbound entry slip from the A329M southbound (slip road 6) will be closed overnight on 27, 29, 30 and 31 January.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.