National Highways suggested diverted site visitors to comply with the stable circle diversion image on highway indicators:
– Exit the M11 southbound at J7 onto Hastingwood Interchange
– At the interchange, take the third exit on the roundabout onto the A414 London Road (signposted Harlow)
– Continue on the A414 for 10.5 miles till the A10 interchange
– At the interchange, take the first exit onto the A10 southbound (signposted Hoddesdon/Cheshunt/London)
– Continue for 7 miles till the M25 interchange
– At the roundabout, take the first exit to affix the M25 clockwise
– Continue till J27 after which take the 2nd exit to re-join the M11 southbound at J6
https://www.express.co.uk/news/uk/2166466/m11-essex-crash-live-traffic-stopped-near-stansted-airport-after-serious-collision