The M4 will be closed overnight in both directions between junctions 6 (Slough-Windsor) and 8/9 (Maidenhead)
from the evening of Friday 5 to the morning of Monday 8 June 2020.The diversion route for motorway traffic during this weekend will use the A308M, A308, A332 and the A355. This is the second weekend for work on the motorway bridge that carries the M4 over the River Thames near Bray.
There will be regular full weekend closures of the M4 throughout this year, view and/or sign up for weekly M4 closure updates from Highways England here.
https://m4j3to12smartmotorway.commonplace.is/news