© London News Pictures. 07/07/2012. Traffic queueing to leave the M4 motorway Westbound at junction 1 in London on July 7, 2012. The M4 has been closed between junctions 1 and 3 until Thursday at the earliest after a crack was found in a 'sensitive area' of an elevated section of the motorway. The M4, part of the Olympic Route Network, will be vital for transporting visitors into the city from Heathrow Airport. Photo credit: Ben Cawthra/LNP.
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