Lane closures will come into force tonight on the eastbound carriageway of the M4 between Maidenhead and Wokingham as maintenance work gets underway.
A 50mph speed restriction will also be used between 10pm and 6am as engineers work between junctions 8/9 and 10.
Similar measures will also be used on the westbound carriageway overnight for four night from Friday between the same junctions.
The hard shoulder will be used as a running lane for traffic.
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