M4 Chaos: Major Crash Shuts Westbound Lanes in Berkshire
The M4 is completely blocked westbound between junctions 13 and 14 after a heavy goods vehicle smashed through roadworks, causing a massive oil spill on the carriageway.
Crash Closes Key Stretch of M4
Emergency crews from Highways England and traffic officers are on the scene tackling the mess. The oil spill has made the road unsafe, forcing a full closure of this busy section.
Follow the “Hollow Squared” Diversions
Drivers are urged to use the officially marked “Hollow Squared” diversion route to avoid getting stuck.
How to Navigate Around the Closure
- Exit the M4 at Junction 13 and head south on the A34.
- Leave the A34 at the A4 Interchange.
- At the roundabout, turn right and continue to the next roundabout.
- Follow the A4 towards Hungerford.
- At the A338 roundabout, turn right onto the A338.
- Follow the A338 to rejoin the M4 westbound at Junction 14.
Expect delays and plan extra travel time until the situation clears.
