The M4 east- and west-bound carriageways will be closed overnight (from 10pm to 6am) on the following dates:
- Tuesday 1 September – M4 Junctions 12 to 14 Westbound Carriageway
- Wednesday 2 September – M4 Junctions 14 to 12 Eastbound Carriageway
- Monday 14 September for four nights – M4 Junctions 12 to 14 Westbound Carriageway
- Tuesday 29 September for four nights – M4 Junctions 14 to 12 Eastbound Carriageway
During these hours a clearly signed diversion will be in place via the A4.
The A34 north- and south-bound carriageways will be closed between the M4 Junction 13 (Chieveley) Interchange and the A4130 Milton Interchange overnight (10pm to 6am) on the following dates:
- Thursday 27 August – A34 Northbound Carriageway
- Wednesday 23 September – A34 Southbound Carriageway
- Thursday 24 September – A34 Southbound Carriageway
- Friday 25 September – A34 Southbound Carriageway
- Saturday 26 September – A34 Northbound Carriageway
During these hours a clearly signed diversion route will be in place via the M4 Junction 8/9, the A404
and M40.
These works are subject to change due to weather conditions or unforeseen circumstances.
For further details, see the attached letter.