***Motorway slip road closure warning***
The westbound entry slip road at junction 7, Slough, will be closed overnight on Thursday 14 January.
The eastbound exit slip road at junction 6, Slough west, is closed Monday 11, Tuesday 12, Wednesday 13 and Thursday 14 January.
The westbound exit slip road at junction 6, Slough west, will be closed overnight on Friday 15 January.
Slip road closures are from 9pm until 6am the following morning and are linked to Highways England's Smart Motorway work