When was the M25 designed?

The M25 motorway, or London Orbital, is a 117-mile (188 km) orbital motorway around Greater London. The motorway was first suggested early in the 20th century, and a few sections were built in the early 1970s. The M25 was completed in 1986: is one of the world's longest orbital roads.



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Britain's first motorway, the Preston by-pass, opened in 1958. Designed by Lancashire County Council under civil engineer Sir James Drake – regarded as the pioneer of the UK motorway network – it's now part of the M6. The next 10 years saw UK's network expand as hundreds of miles of motorway were built.

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Despite all the hype, the M25 isn't even a full circle. The Dartford Crossing (comprising the Dartford Tunnels and the Queen Elizabeth II Bridge) over the Thames in the east and its approach roads are designated A282, because the first Tunnel was built in the 1960s as a local connection.

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Answer. Answer: A motorway just relates to the A road that it's relieving pressure from. The reason there is no M7 is that the A7, which runs from Carlisle to Edinburgh has no need for a motorway to relieve it.

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In later years, as the M1 was extended southwards into London and the M25 was built, the M10's original purpose eroded. It was sometimes suggested that the motorway might have been extended to meet the M25 at junction 22, but this was never proposed.

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Hanger Lane Gyratory – West London. Magic Roundabout – Swindon. Gravelly Hill Interchange (Spaghetti Junction) – Birmingham.

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The concrete slabs with which they were made have proved tougher and longer lasting than asphalt, and over the years have needed very little maintenance.

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One would run outside north London, to be called the M16, and one around south London, the original M25. Plans developed into a single ring motorway, now just called the M25, and work began in 1975.

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The M96, positioned 20 miles from the M5 and the M50, has remained a well-hidden secret for years that saves countless lives. The 400-metre-long stretch of road in Moreton-in-Marsh has seen more crashes and traffic incidents than major routes because of its special purpose of training blue light workers.

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Somewhere to the east of Glasgow lies the A8(M) - but look carefully, because it's not easy to find. The A8(M) is the UK's shortest motorway, running for just over 280 metres (308 yards). It forms a link between two roundabouts at Baillieston Interchange, better known as the junction between the M8 and M73.

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The M9 is a major motorway in Scotland. It runs from the outskirts of Edinburgh, bypassing the towns of Linlithgow, Falkirk, Grangemouth and Stirling to end at Dunblane.

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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.

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The A1 also known as the Great North Road is the longest numbered road in the United Kingdom, at 410 miles (660 km). It connects London, the capital of England, with Edinburgh, the capital of Scotland.

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