THE M4 was blocked after a multi-vehicle crash.
The incident happened at around 4.10pm.
The motorway is blocked London-bound between Junction 10 (Wokingham/Bracknell) and Junction 8/9 (Maidenhead).
Police and paramedics are on the scene.
A spokesman for Whitley Wood fire station said: "We had an RTC on the motorway earlier today.
"There were eight cars in total although nobody was trapped.
"Wokingham Road were in charge of the operation."
Watch manager Michael Fulwell from Bracknell fire station said: "The time of call was 4.06pm.
"The first ones there were from Wokingham Road who took the lead.
"We helped push three vehicles to the hard shoulder which was all we were required to do."
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