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Version 3 Version 4
Unset tarmac causes m-way chaos Unset concrete causes m-way chaos
(about 4 hours later)
Newly laid tarmac which failed to set properly has caused rush-hour misery on the M4 and M5 motorways near Bristol. Newly-laid concrete that failed to set properly has caused rush-hour misery on the M4 and M5 motorways near Bristol.
The Highways Agency initially said it was tarmac that did not set, but later confirmed concrete caused the problem.
All lanes have reopened but traffic is moving very slowly around the Almondsbury Interchange and is also causing delays on the M32 into Bristol.All lanes have reopened but traffic is moving very slowly around the Almondsbury Interchange and is also causing delays on the M32 into Bristol.
It is believed freezing temperatures overnight caused problems with the tarmac which did not set properly.
Drivers are warned to expect disruption on all three motorways and to avoid the area if possible.Drivers are warned to expect disruption on all three motorways and to avoid the area if possible.
It is believed freezing temperatures overnight caused problems with the concrete and the shape of the road started to distort when traffic was first allowed to use it.
Ken Dunn, Operations Manager for the Highways Agency, said: "Overnight repairs to the motorway overran.Ken Dunn, Operations Manager for the Highways Agency, said: "Overnight repairs to the motorway overran.
"Workers were digging a trench across the motorway and there were delays in refilling it due to technical difficulties.""Workers were digging a trench across the motorway and there were delays in refilling it due to technical difficulties."