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 A41 is a trunk road between London and Liverpool, England. Now in parts replaced by motorways, it passes through or near Watford, Kings Langley, Hemel Hempstead, Aylesbury, Bicester, Solihull, Birmingham, West Bromwich, Wolverhampton, Newport, Whitchurch, Chester and Ellesmere Port.
The A5, the London-Holyhead trunk road, is a major road in England and Wales. It runs for about 243 miles (391 km) from London to the Irish Sea at the ferry port of Holyhead. In many parts the route follows that of the Roman Iter II route which later took the Anglo-Saxon name Watling Street.
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. It is the fourth longest numbered road in Britain; only the A1, A38 and A30 are longer.
The A14 is a major trunk road in England, running 127 miles (204 km) from Catthorpe Interchange, a major intersection at the southern end of the M6 and junction 19 of the M1 in Leicestershire to the Port of Felixstowe, Suffolk. The road forms part of the unsigned Euroroutes E24 and E30. It is the busiest shipping lane in East Anglia carrying anything from cars to large amounts of cargo between the UK and Mainland Europe.
The A46 is a major A road in England. It starts east of Bath, Somerset and ends in Cleethorpes, Lincolnshire, but it does not form a continuous route. Large portions of the old road have been lost, bypassed, or replaced by motorway development. Between Leicester and Lincoln the road follows the course of the Roman Fosse Way, but between Bath and Leicester, two cities also linked by the Fosse Way, it follows a more westerly course.
The A361 is an A class road in southern England, which at 195 miles (314 km) is the longest three-digit A road in the UK.
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 A43 is a primary route in the English Midlands and northern South East England, that runs from the M40 motorway near Ardley in Oxfordshire to Stamford in Lincolnshire. Through Northamptonshire it bypasses the towns of Northampton, Kettering and Corby which are the three principal destinations on the A43 route. The A43 also links to the M1 motorway.
The A428 road is a major road in central and eastern England. It runs between the cities of Coventry and Cambridge by way of the county towns of Northampton and Bedford. Together with the A421,, the eastern section of the A428 forms the route between Cambridge and Oxford. The A428 was formerly part of the main route from Birmingham to Felixstowe before the A14 was fully opened in 1993.
The A421 is an important road for east/west journeys across south central England. Together with the A428, the A43 and A34, it forms the route from Cambridge through Milton Keynes to Oxford. The section between the A1 and the A5 is a national primary route.
The A509 is a short A-class road for north–south journeys in south central England, forming the route from Kettering in Northamptonshire to the A5 in Milton Keynes, via M1 J14.
The A422 is an "A" road for east–west journeys in south central England, connecting the county towns of Bedford and Worcester by way of Milton Keynes, Buckingham, Banbury and Stratford-upon-Avon. For most of its length, it is a narrow single carriageway.
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 A505 is a road in the East of England. It follows part of the route of the Icknield Way and the corresponding Icknield Way Path and runs from Leighton Buzzard in Bedfordshire to the A11 Abington Interchange North in Cambridgeshire.
The A605 road is a main road in the English counties of Northamptonshire and Cambridgeshire.
The A4 is a major east–west road in Northern Ireland. It travels for 69.2 miles from Portadown to Belcoo through County Armagh, County Tyrone and County Fermanagh.
The A444 is a primary road running between Coventry and Burton upon Trent in England, usually referred to as the "A treble four" or "A triple four".
The A617 road runs through the northern East Midlands, England, between Newark-on-Trent and Chesterfield.
A4540 in Birmingham 
M42 in Birmingham 
A46 near Coventry 
M45 near Dunchurch 
A5 near Weedon Bec 
M1 near Upper Heyford 
A43 near Northampton 
A6 in Higham Ferrers 
A14 / A605 in Thrapston 
