Drivers are reminded to once again stay vigilant as works continue on a major commuting motorway that runs through Berkshire. 

Planned night closures will continue this week affecting the M4, with national highways releasing the latest information regarding dates and times. 

The full list of traffic alerts is as follows: 

 

Monday, October 28

M4-Westbound

M4 westbound Jct 12 entry slip road closure from 9 pm to 6 am. 

M4 westbound Jct 18 to 19 closed from 9 pm to 6 am. 

 

M4-Eastbound

M4 Eastbound Jct 4 entry slip road closure from 10 pm to 5 am. 

M4 Eastbound Jct 4B to Jct 3 Carriageway closure from 10 pm to 5 am. 

M4 eastbound Jct 17 exit slip closed from 7 pm to 6 am. 

 

Tuesday, October 29

M4-Westbound

M4 westbound Jct 12 entry slip road closure from 9 pm to 6 am. 

M4 westbound Jct 17 to 18 closed from 9 pm to 6 am. 

 

M4-Eastbound

M4 eastbound Jct 7 entry slip closure from 9 pm to 6 am. 

M4 eastbound Jct 7 exit slip road closure from 9 pm to 6 am. 

M4 Eastbound Jct 4 entry slip road closure from 10 pm to 5 am. 

M4 Eastbound Jct 4B to Jct 3 Carriageway closure from 10 pm to 5 am. 

M4 eastbound Jct 18 to 17 closed from 10 pm to 6 am. 

M4 eastbound Jct 17 exit slip closed from 7 pm to 6 am. 

 

Wednesday, October 30 

M4-Westbound

M4 westbound Jct 12 entry slip road closure from 9 pm to 6 am. 

M4 westbound Jct 17 to 18 closed from 9 pm to 6 am. 

 

M4-Eastbound

M4 eastbound Jct 7 entry slip closure from 9 pm to 6 am. 

M4 eastbound Jct 7 exit slip road closure from 9 pm to 6 am. 

M4 Eastbound Jct 4 entry slip road closure from 10 pm to 5 am. 

M4 Eastbound Jct 4B to Jct 3 Carriageway closure from 10 pm to 5 am. 

 

Thursday, October 31 

M4-Westbound

M4 westbound Jct 12 entry slip road closure from 9 pm to 6 am. 

M4 westbound Jct 7 entry slip road closure from 9 pm to 6 am. 

M4 Westbound Jct 4 exit slip road closure from 10 pm to 5 am. 

M4 westbound Jct 20 between slips carriageway closure from 9 pm to 6 am. 

 

M4-Eastbound

M4 Eastbound Jct 4 entry slip road closure from 10 pm to 5 am. 

M4 Eastbound Jct 4B to Jct 3 Carriageway closure from 10 pm to 5 am.