The A1000 is a main road in the United Kingdom, going from London to Welwyn. The A1000 was formerly known as the Great North Road (and parts of it still bear this name), [1] or A1, but after a bypass was built in the 1920s it became the A1000.

The A1000 then continues north-west under the Welwyn Viaduct (sometimes known as the Digswell Viaduct) and over the River Mimram to become D2. The road heads west for a short distance to reach A1(M) J6 where it also meets the Great North Road (now B197) once more.

The A1000 starts at East Finchley, North London, and travels for approximately 20 miles (32 km) to Welwyn, where it joins the A1(M) motorway. On its route it passes through Chipping Barnet , Potters Bar , and Hatfield , [5] and goes through the Traditional Counties of …

List of A roads in zone 1 in Great Britain beginning north of the River Thames, east of the A1 (roads beginning with 1). Often called the "Great North Road". London sections of road covered by separate A1 road (London) article. May have originally started at St Paul's Cathedral. Longest road in Great Britain.

Live traffic reports: congestion, accidents, road conditions. Our interactive map and timely information help motorists travel the A1000 road with ease & safety.

When the A1 was moved a little to the west between Highgate in Outer London and Hatfield in Hertfordshire, the old course through Barnet and Potters Bar was renumbered A1000. In fact about a mile of the old A1 in Hatfield was declassified altogether, …

A1000 road. Road in England From Wikipedia, the free encyclopedia. A1000 road. History Route References Location. The A1000 is a main road in the United Kingdom, going from London to Welwyn. Quick Facts Route information, Length ... A1000; The A1000 passing over the North Circular Road. Route information; Length: 20 mi (32 km)

The A1000 is a 20-mile-long road which runs north from North London in Middlesex to Welwyn in Hertfordshire. It incorporates part of the main medieval route to the City of London, and a portion of the road running through Barnet, known as the Hadley Highstone, is the site of a …

The A1000 is a main road in the United Kingdom, running north from Highgate, North London for approximately 20 miles (32 km) to Welwyn where it joins the A1(M) motorway.

The A1000 is a main road in the United Kingdom, running north from Highgate, North London for approximately 20 miles (32 km) to Welwyn where it joins the A1(M) motorway. It incorporates part of the main medieval route out of London, and runs through Finchley, Whetstone, Chipping Barnet and Monken Hadley.