The M6 motorway is the longest motorway in the United Kingdom. It is located entirely within England, running for just over 230 miles (370 km) from the Midlands to the border with Scotland. It begins at Junction 19 of the M1 and the western end of the A14 at the Catthorpe Interchange, near Rugby before heading north-west. It passes Coventry, Birmingham, Wolverhampton, Stoke-on-Trent, Preston, Lancaster and Carlisle before terminating at Junction 45 near Gretna. Here, just short of the Scottish border it becomes the A74(M) which continues to Glasgow as the M74. Its busiest sections are between junctions 4 and 10a in the West Midlands, and junctions 16 to 19 in Cheshire; these sections have now been converted to smart motorways.
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 Bypass, which later became part of the M6.
The M45 is a motorway in Northamptonshire and Warwickshire, England and is 7.9 miles (12.7 km) long. It runs between junction 17 of the M1 motorway south east of Rugby and a junction with the A45 road southwest of Rugby. It has one of the lowest traffic volumes of the United Kingdom motorway system.
The M62 is a 107-mile-long (172 km) west–east trans-Pennine motorway in Northern England, connecting Liverpool and Hull via Manchester, Bradford, Leeds and Wakefield; 7 miles (11 km) of the route is shared with the M60 orbital motorway around Manchester. The road is part of the unsigned Euroroutes E20 and E22.
The A6 is one of the main north–south roads in England. It runs from Luton in Bedfordshire to Carlisle in Cumbria, although it formerly started at a junction with the A1 at Barnet in north London, and is described as running from London to Carlisle. It is the fourth longest numbered road in Britain; only the A1, A38 and A30 are longer.
The A38, parts of which are known as Devon Expressway, Bristol Road and Gloucester Road, is a major A-class trunk road in England.
The A74(M) and M74 form a major motorway in Scotland, connecting it to England. The routes connect the M8 motorway in central Glasgow to the Scottish-English border at Gretna. They are part of the unsigned international E-road network E05. Although the entire route is colloquially referred to as the M74, for more than half its length, south of Abington, the road is officially the A74(M); see naming confusion below.
The M42 motorway runs north east from Bromsgrove in Worcestershire to just south west of Ashby-de-la-Zouch in Leicestershire, passing Redditch, Solihull, the National Exhibition Centre (NEC) and Tamworth on the way, serving the east of the Birmingham metropolitan area. The section between the M40 and junction 4 of the M6 forms – though unsigned as such – a part of Euroroute E05. Northwards beyond junction 11, the route is continued as the A42; the junctions on this section, 12–14, are numbered like a continuation of the motorway, but the road has non-motorway status from here.
The M69 is a 15.7-mile-long (25 km) dual three-lane dual carriageway motorway in Leicestershire and Warwickshire, England. It runs between junction 21 of the M1 near Leicester and junction 2 of the M6 near Coventry. It opened in 1977.
The A50 is a major trunk road in England between Warrington and Leicester; historically it was also a major route from London to Leicester.
The M58 is a motorway passing through Merseyside and Lancashire, terminating in Greater Manchester. It is 12 miles (19.3 km) long and provides a link between the M6 motorway and the Metropolitan Borough of Sefton and hence on, via the A5036, to the Mersey docks in Liverpool and Birkenhead.
The A426 road is a road in England which runs from the city of Leicester to the market town of Southam in Warwickshire via the towns of Lutterworth and Rugby.
The A500 is a major primary A road in Staffordshire and Cheshire, England. It is dual carriageway for most of its length and connects Nantwich, junctions 16 and 15 of the M6 motorway with the city of Stoke-on-Trent. It is 19 miles (31 km) long.
The A563 is the designation for the ring road of Leicester, England. It forms a near-complete circuit except for a gap of around 2.2 miles (3.5 km) in the east of the city. An indirect route linking the gap involves the (A47) A6030, and A6. The A563 was formerly referred to as the Outer Ring.
The A453 road was formerly the main trunk road connecting the English cities of Nottingham and Birmingham. However, the middle section of this mainly single-carriageway road has largely been downgraded to B roads or unclassified roads following the construction of the parallel M42-A42 link around 1990. The M42 was originally meant to pass further north than it does, and to join the M1 at Sandiacre in Derbyshire. The M42/A42 does not enter Derbyshire, but instead joins the M1 closer to the A453 junction at Kegworth. The A42 shadows the former A453 from Appleby Magna to Castle Donington. The road historically connected the East Midlands with the West Midlands.
The A452 is a road in England, which runs from Royal Leamington Spa, Warwickshire to Brownhills in the West Midlands. It is the major link to the M6 motorway for both Leamington and Warwick in addition to serving as Leamington's link to the M40 motorway and to Coventry.
The M54 is a 23-mile-long (37 km) east-west motorway in the counties of Shropshire and Staffordshire, England. It is also referred to as the Telford motorway, after the road's primary westbound destination, the town of Telford. It cost £65 million to construct, and is two-lane dual carriageway for the majority of its length, with sections of three-lane.
The A556 is a road in England which extends from the village of Delamere in Cheshire West and Chester to the Bowdon Interchange in Cheshire East, bordering Greater Manchester. The road contains a mixture of single and dual carriageway sections and forms a large part of the route between Manchester and Chester. It also acts as a major access route to Chester/North Wales to the west and to Manchester to the east for the conurbation of towns and villages around the Dane Valley centering on Winsford and Northwich. The central part, which forms the Northwich Bypass between Davenham and Lostock Gralam, suffers because of the amount of commuter traffic from this area. The part of the route between the M6 motorway Junction 19 and the M56 motorway Junction 7 is a major route into Manchester and has been recently upgraded to a four-lane dual carriageway.
The A26 is a road in Northern Ireland. It travels in a north–south direction from Coleraine, County Londonderry to Banbridge, County Down.
The A42 is a major trunk road in the East Midlands region of the United Kingdom. It links junction 23A of the M1 motorway to junction 11 of the M42 motorway. The A42 is in effect a continuation of the M42, and its junctions are numbered accordingly.
(original alignment) 
