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The M25 motorway, commonly known as the London Orbital, is a major and integral part of the United Kingdom's road network, encircling Greater London in a ring formation. Stretching for approximately 117 miles (188 km), this motorway plays a pivotal role in facilitating the movement of both passenger and freight traffic around the outskirts of the capital city. Connected to several key radial routes such as the M1, M3, M4, M11, M20, and M23, the M25 serves as a critical link in the country's transportation system.
Renowned for its significant traffic volume, the M25 experiences high congestion levels during peak hours, reflecting its status as one of the busiest motorways in the UK. The motorway features numbered junctions providing access to various parts of Greater London and beyond, and ongoing efforts, including widening projects and variable speed limits, are implemented to manage traffic flow and enhance the overall efficiency of this vital transport artery. The M25 remains essential for commuters, businesses, and the transportation of goods, contributing significantly to the socio-economic connectivity of the Greater London area and its surrounding regions.