M4 Closures

Latest updates - M4 closures for this coming weekend and future weekends:

5 November – 8 November 2021
There are no closures this weekend.

12 November – 15 November 2021 – full weekend closure between junctions 3 and 4b
The M4 will be closed in both directions over the weekend of 12 November – 15 November 2021 between Junctions 3 (Hayes) and 4b (M25 interchange). The closure will start after 8pm Friday 12 November and the motorway will reopen by 6am on Monday 15 November.

Please note: westbound carriageway will be open on Friday 12 November only.

19 November – 22 November 2021 – full weekend closure between junctions 5 and 6
The M4 will be closed in both directions over the weekend of 19 November – 22 November 2021 between Junctions 5 (Langley) and 6 (Slough-Windsor). The closure will start after 8pm Friday 19 November and the motorway will reopen by 6am on Monday 22 November.

26 November – 28 November 2021 – full weekend closure between junctions 6 and 8/9
The M4 will be closed in both directions over the weekend of 26 November – 28 November 2021 between Junctions 6 (Slough-Windsor) and 8/9 (Maidenhead). The closure will start after 8pm Friday 26 November and the motorway will reopen by 8pm on Sunday 28 November.

3 December – 6 December 2021 – full weekend closure between junctions 6 and 8/9
The M4 will be closed in both directions over the weekend of 3 December – 6 December 2021 between Junctions 6 (Slough-Windsor) and 8/9 (Maidenhead). The closure will start after 8pm Friday 3 December and the motorway will reopen by 6am on Monday 6 December.

10 December – 13 December 2021 – full weekend closure between junctions 5 and 6
The M4 will be closed in both directions over the weekend of 10 December – 13 December 2021 between Junctions 5 (Langley) and 6 (Slough-Windsor). The closure will start after 8pm Friday 10 December and the motorway will reopen by 6am on Monday 13 December.

17 December – 20 December 2021
There are no planned closures this weekend.

24 December – 27 December 2021
There are no planned closures this weekend.

31 December 2021 – 3 January 2022
There are no planned closures this weekend.