M25 motorway "Inside the M25" and "outside/beyond the M25" are colloquial, looser alternatives to "Greater London" sometimes used in haulage. The Communications Act 2003 explicitly uses the M25 as the boundary in requiring a proportion of television programmes to be made outside the London area. Two motorway service areas are on the M25, and two others are directly accessible from it. Those on the M25 are Clacket Lane between junctions 5 and 6 (in the south-east) and Cobham between junctions 9 and 10 (in the south-west). Those directly accessible from it are South Mimms off junction 23 (to the north of London)
M25 motorway motorways. The M25 is the second-longest ring road in Europe, after the Berlin Ring (A 10), which is longer. Other cities in the UK encircled by motorways include: Birmingham, using parts of the M5, M6 and M42, and Manchester, using the M60. Additionally, from 2011 Glasgow has an orbital motorway made of the M8, M73 and M74, although one section of the route passes through the centre of the city. The M25 is one of the busiest motorways in Europe. Here are some comparisons: Iain Sinclair's 2002 book and film "London Orbital" is based on a year-long journey around the