04:02PM, Wednesday 11 August 2021
Both M4 carriageways will be shut between Junction 5 (Langley) and Junction 6 (Slough/Windsor) this weekend.
The closure will be in place from 8pm on Friday, August 13 to 6am on Monday, August 16.
The westbound exit slip road at Junction 6 (Slough/Windsor) will also be shut overnight today from 9pm to 6am.
The slip road will also be shut overnight tomorrow (Thursday).
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