The westbound carriageway of the M4 will be closed between junctions 5, Langley, and 6, Slough, from 9pm on Tuesday 31 August, Wednesday 1 and Thursday 2 September, until 6am the following morning
The full M4 closure this weekend is further afield between junctions 4b, the M25, ad 3, Hayes.
All work for Highways England smart motorway project.