The M1 motorway connects London to Leeds, where it joins the A1(M) near Aberford, to connect to Newcastle. It was the first inter-urban motorway to be completed in the UK; the first motorway in the country was the Preston By-pass, which later became part of the M6.
The A1 is the longest numbered road in the UK, at 410 miles (660 km). It connects London, the capital of England, with Edinburgh, the capital of Scotland. It passes through or near North London, Hatfield, Welwyn Garden City, Stevenage, Baldock, Letchworth Garden City, Huntingdon, Peterborough, Stamford, Grantham, Newark-on-Trent, Retford, Doncaster, York, Ripon, Darlington, Durham, Sunderland, Gateshead, Newcastle upon Tyne, Alnwick and Berwick-upon-Tweed.
The Great Britain road numbering scheme is a numbering scheme used to classify and identify all roads in Great Britain. Each road is given a single letter, which represents the road's category, and a subsequent number, of 1 to 4 digits. Introduced to arrange funding allocations, the numbers soon became used on maps and as a method of navigation. Two sub-schemes exist: one for motorways, and another for non-motorway roads.
The A40 is a major trunk road connecting London to Goodwick (Fishguard), Wales, and officially called The London to Fishguard Trunk Road (A40) in all legal documents and Acts. It is approximately 260 miles (420 km) long.
The A34 is a major road in England. It runs from the A33 and M3 at Winchester in Hampshire, to the A6 and A6042 in Salford, close to Manchester City Centre. It forms a large part of the major trunk route from Southampton, via Oxford, to Birmingham, The Potteries and Manchester. For most of its length, it forms part of the former Winchester–Preston Trunk Road. Improvements to the section of road forming the Newbury Bypass around Newbury were the scene of significant direct action environmental protests in the 1990s. It is 151 miles (243 km) long.
The M20 is a motorway in Kent, England. It follows on from the A20 at Swanley, meeting the M25, and continuing on to Folkestone, providing a link to the Channel Tunnel and the ports at Dover. It is 50.6 miles (81.4 km) long. Although not signposted in England, this road is part of the European route E15.
The A74(M) and M74 form a major motorway in the United Kingdom, mainly in Scotland, with a short section in England. Following an extension opened on 28 June 2011, they connect the M8 motorway west of Glasgow to the Scottish-English border at Gretna, creating a route from the south to the west of the city. In conjunction with the M6 motorway, they form one of the three major cross-border routes between Scotland and England. They are part of the unsigned international E-road network E05. Although the entire route is usually referred to as the M74, more than half of its length is officially the A74(M); see naming confusion below.
The A14 is a trunk road in England, running 127 miles (204 km) from the Port of Felixstowe, Suffolk to its western end at the Catthorpe Interchange; a major intersection at the southern end of the M6 and junction 19 of the M1 in Leicestershire. The road forms part of the unsigned Euroroutes E24 and E30.
The A12 is a major road in England. It runs north-east /south-west between London and the coastal town of Lowestoft in the North-Eastern corner of Suffolk, it follows a similar route to the Great Eastern Main Line. A section of the road between Lowestoft and Great Yarmouth became part of the A47 in 2017,. Between the junctions with the M25 and the A14, the A12 forms part of the unsigned Euroroute E30. Unlike most A roads, this section of the A12 has junction numbers as if it were a motorway.
The M53 is an 18.9-mile (30.4 km) motorway in the Metropolitan Borough of Wirral and Cheshire on the Wirral Peninsula in England. It can also be referred to as the Mid Wirral Motorway. It runs between the Kingsway Tunnel, at Wallasey in the north, and the A55 at Chester.
The M7 motorway is a motorway in Ireland. The motorway runs continuously from the outskirts of Naas in County Kildare to Rossbrien on the outskirts of Limerick City. The M7 forms part of the Dublin to Limerick N7 national primary road. The section of the motorway bypassing Naas, an 8 km stretch, was the first section of motorway to open in the Republic of Ireland, in 1983. Following substantial works to extend the M7 to Limerick; by the end of 2010, the motorway replaced all of the old single-carriageway N7 route which is now designated as R445. At 166.5 km, the M7 is the longest motorway in Ireland.
The N8 road is a national primary road in Ireland, connecting Cork with Dublin via the M7. The road is motorway standard from junction 19 on the M7 to the Dunkettle interchange outside Cork City and is designated as the M8 motorway. From here the route continues into Cork city and terminates at the N22 road at St. Patrick's Street. The M8 motorway was completed in May 2010, replacing the single carriageway sections of the old N8 and bypassing towns on the main Cork to Dublin road. It is now possible to travel from Cork to Dublin on the M/N8 in about 2 hours 30 minutes. The route commences just south of Portlaoise, and reaches Cork via the midlands and the Golden Vale of Ireland, through Counties Laois, Kilkenny, Tipperary, Limerick and Cork. The N8 is further classified by the United Nations as the entirety of the European route E 201.
Motorway 1 is the 2nd longest motorway in Greece with a length of 550 km. It is the principal north–south road connection in Greece, connecting the country's capital Athens with the regions of Thessaly and Macedonia, as well as the country's second largest city, Thessaloniki. It starts from Neo Faliro in Attica and continues north to reach the Evzonoi border station, on the Greek border with North Macedonia.
Greek National Road 3 is a single carriageway road in Greece. It connects Eleusis near Athens with the border of North Macedonia at Niki. It passes through Larissa and Florina. At Niki, it connects with the M5K motorway to Bitola. The section Kozani - Niki is also designated as the A27 motorway, part of which is operational as a 2-lane motorway.
Thessaloniki is one of the regional units of Greece. It is part of the Region of Central Macedonia and its capital is the city of Thessaloniki.
A1(M) is the designation given to a series of four separate motorway sections in England. Each section is an upgrade to a section of the A1, a major north–south road, which connects London, the capital of England, with Edinburgh, the capital of Scotland. The first section, the Doncaster Bypass, opened in 1961 and is one of the oldest sections of motorway in Britain. Construction of a new section of A1(M) between Leeming and Barton was completed on 29 March 2018, a year later than the anticipated opening in 2017 due to extensive archaeological excavations. Its completion linked the Barton to Washington section with the Darrington to Leeming Bar section, forming the longest A1(M) section overall and reducing the number of sections from five to four.
The M63 motorway was a major road in the United Kingdom. It was completely renumbered as part of the M60 motorway in 1999 which orbits part of Greater Manchester.
The M54 is a 23-mile (37 km) east-west dual carriageway in the English counties of Shropshire and Staffordshire. It is also referred to as the Telford dual carriageway, after the road's primary westbound destination, the new town of Telford. The dual carriageway cost £65 million to construct, and is two-lane dual carriageway for the majority of its length, with sections of three-lane.
The M6 motorway is a motorway in Ireland, which runs from Dublin to Galway. The M6 extends from its junction with the M4 at Kinnegad all the way west to the outskirts of Galway City, but the Athlone bypass and the approach to Galway city - while of dual carriageway standard - have not been designated motorway and are still signed as N6. The motorway was officially completed and opened to traffic on 18 December 2009, and was the first city-to-city direct major inter-urban route to be completed in Ireland. The M6 and M4, which form the Galway-Dublin route, consist of a grade-separated 2+2 dual carriageway road with a top speed limit of 120 km/h. At approximately 144 km (90 mi), the M6 is the third longest motorway in the state.
The A1 motorway is a motorway in Serbia and with 588 kilometers (365 mi) it is the longest motorway in Serbia. It crosses the country from north to south, starting at Horgoš border crossing with Hungary and ending with Preševo border crossing with North Macedonia. As a part of the European route E75 and Pan-European corridor X, connecting 4 of 5 largest Serbian cities, it is the most vital part of Serbian road network.
