In article ,
(Peter Masson) wrote:

Meanwhile the northbound M11 was closed for 15 hours after an accident.
http://www.bbc.co.uk/news/uk-england-essex-12968479
I don't know how long it took to release vehicles trapped behind
the accident. No doubt many passengers missed planes at Stansted.

It was quite a pile up apparently. More at
http://www.cambridge-news.co.uk/Home...ed-by-police-a
fter-M11-pile-up.htm

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Colin Rosenstiel