The M4 is closed in both directions between Junction 10 and Junction 11.
Scottish and Southern Electricity Networks (SSEN) is carrying out emergency works following the discovery of structural damage to a power line pylon near the motorway.
Due to the extent of the damage, the M4 is expected to remain closed in both directions throughout today, Wednesday, 18/02/2026
M4 closed LIVE to traffic in all directions until beyond rush hour tomorrow
Motorists are in for some rather long delays with the carriageway blocked off in all directions for emergency repairs that will carry well into tomorrow.
The motorway has been shut down for emergency works to massive powerline (Image: Getty)
The M4 in Berkshire has been shut down again. National Highways confirmed the motorway is fully blocked off to traffic in all directions between J10 (Wokingham) and J11 (Reading), with traffic already descending into utter chaos due to the arterial nature of the M4 link road.
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