M4 Closures in August
There is a full closure in each direction between junctions 5, Langley, and 6, Slough, on the weekend of 31 July until 3 August and the following weekend of 7 to 10 August. Closures begin at 8pm each Friday.
The third full closure will be from Friday 14 August until 17 August between junction 6, Slough, to 8/9 Maidenhead.