09:07AM, Monday 01 October 2012
One lane is blocked on the M4 westbound this morning.
The lane is blocked between junction 5, A4 (Langley) and junction 6, A355 (Slough), because of an accident involving a car and a motorbike.
The accident is causing long tailbacks on the M4.
UPDATE: 10.05am: All lanes have been reopened but congestion is back to junction 4 A408 (Heathrow Spur).
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