M4 closures
Both carriageways are closed between junctions 5, Langley, and 6, Slough, tonight Monday 20 September from 9pm and reopens at 6am the following morning.
The westbound carriageway between junctions 5, Langley, and 6, Slough, is closed overnight from 9pm on Tuesday 21 September and 6am the next morning.
The eastbound entry slip road at junction 5, Langley, is closed overnight on Wednesday 22 and Thursday 23 September, between 9pm and 6am the next morning.
All closures for Highways England smart motorway work.