Ring road
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A ring road is a road or a series of connected roads encircling a town, city or country. The most common purpose of a ring road is to assist in reducing traffic volumes in the urban centre, such as by
M25, the primary ring road of London
The Third Ring Road in the area of the Moscow International Business Center
The Autostrada A58, the Milan external east ring road, Italy. Together with the Autostrada A50 (Milan west ring road), the Autostrada A51 (Milan east ring road) and the Autostrada A52 (Milan north ring road), it is the largest system of ring roads around a city in Italy, for a total length greater than 100 kilometres (62 mi).
The Leeds Inner Ring Road in England was built in a series of tunnels to save space and avoid physically separating the city's centre from its suburbs.
M25 motorway
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The M25 or London Orbital Motorway is a major ring road encircling most of Greater London. The 117-mile-long motorway is one of the most important roads in the UK and one of the busiest. Margaret That
Ring road
…extent. In Europe and Australia, some ring roads, particularly longer ones of motorway standard, are known as "orbital motorways". Examples are the London Orbital (generally known as the M25; 188 km), Sydney Orbital Network (110 km), and Rome Orbital (68 km). In the United States many ring roads are called…
Junction 13 looking south, 2011
M25 and M23
A four level stack interchange at junction 7 with the M23
A view north from Higher Denham Fire Station at Tatling End on the A40 in July 1984, with the Chiltern Main Line five-arch 1906 Chalfont Viaduct, originally built to straddle the River Misbourne