© Licensed to London News Pictures. 09/07/2012. London, UK The closed M4 motorway today 9th July 2012. The M4 has been closed between junctions 1 and 3 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 : Stephen Simpson/LNP
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