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.
Capital Beltway
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The Capital Beltway, designated as Interstate 495 for its entire length, is an auxiliary Interstate Highway in the Washington metropolitan area. The 64-mile beltway encircles Washington, D.C., the cap
Ring road
…Sydney Orbital Network (110 km), and Rome Orbital (68 km). In the United States many ring roads are called beltlines, beltways or loops, such as the Capital Beltway around Washington, D.C. Some ring roads, such as Washington's Capital Beltway, use "Inner Loop" and "Outer Loop" terminology for directions of travel…
I-495/Capital Beltway signage in Virginia
The Woodrow Wilson Bridge carrying I-95/I-495 over the Potomac River between Alexandria, Virginia, and Oxon Hill, Maryland, April 2007
"Maryland Welcomes You" sign on the Outer Loop over the Woodrow Wilson Bridge
I-95/I-495 and I-295 interchange in Maryland seen from the air above the Potomac River, 2012