The A2 is an important and major road in southern England connecting the port of Dover with London. The road stretches for almost 72 miles from Borough in the capital and finishes at the Dover Docks.
The M25 or London Orbital Motorway is a major road encircling most of Greater London. The 117-mile motorway is one of the most important roads in the UK and one of the busiest. Margaret Thatcher opened the final section in 1986, making the M25 the longest ring road in Europe upon opening.
Junction 10 is the busiest section of the M25, with over 270,000 vehicles travelling through it every day. Due to the volume of traffic and the resulting queues, this area of their network has a very poor safety record and holds one of the highest collision rates across the National Highways network.
Junction 23 on the M25 in Hertfordshire is the single biggest gyratory on the whole of the National Highways network. At about 1.2km in circumference, the junction sees some of the highest traffic flows on the M25.
Junctions and servicesThe M25 has been criticised for having too many junctions; 14 of them serve only local roads. In 2016, Edmund King, president of the Automobile Association, attributed congestion on the M25 to excessive junctions.
The M25 or London Orbital Motorway is a major road encircling most of Greater London. The 117-mile motorway is one of the most important roads in the UK and one of the busiest. Margaret Thatcher opened the final section in 1986, making the M25 the longest ring road in Europe upon opening.