M25 traffic LIVE: Chaos on major motorway as horror crash sparks closures and huge delays | UK | News

According to RAC, the M25 is the second longest city bypass in Europe at 117 miles in length.

It orbits Greater London, starting at the Dartford Crossing, and flows past a total of 33 junctions.

It links motorways such as the M1, M4, A1, and the M40 making it a big part of the major road network in the UK and also one of the busiest.

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