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 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 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 A1081 is a road in the south of England. It starts at Luton Airport in Bedfordshire and runs to High Barnet in Greater London via Harpenden, St Albans and London Colney, a distance of around 20.5 miles (33.0 km). For most of its length, the A1081 follows the route of the original A6.
Toddington is a large village and civil parish in the county of Bedfordshire, England. It is situated 5 miles north-north-west of Luton, 4 miles (6 km) north of Dunstable, 6 miles (10 km) south-west of Woburn, and 35 miles north-north-west of London on the B5120 and B579. It is 0.5 miles from Junction 12 of the M1 motorway and lends its name to the nearby motorway service station. The hamlet of Fancott also forms part of the Toddington civil parish.
The A5127 is a major road in England which runs between Birmingham and Lichfield, Staffordshire. For much of the route the road follows the old route of the A38 which has since been moved in order to by-pass places such as Erdington and Sutton Coldfield and form a relief road from Birmingham city centre to Spaghetti Junction.
The A702 is a major road in Scotland, that runs from Edinburgh to St. John's Town of Dalry in Dumfries and Galloway. It is the last section of the route from London via the West Midlands and North West England to Edinburgh, which follows the M1, M6, A74(M) and finally the A702.
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 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 A4146 is an A-class road in England running from (near) M1 junction 14 at Milton Keynes, around Linslade and Leighton Buzzard as far as the A505 to Dunstable.
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 A498 is a 16-mile road between Pen-y-Gwryd and Porthmadog in North Wales.
The A405 is a 4.8 miles dual carriageway road in Hertfordshire, England, from the A41 at Leavesden Green, near Watford, to the A414 at Park Street Roundabout near St Albans.
The A507 is an A-class road in England, linking the M1 motorway near Milton Keynes to the A10 at Buntingford.
The A345 is a secondary A road in Wiltshire, England running from Salisbury to Marlborough and the A4. The road is a main south–north link across Salisbury Plain, which is renowned for its rich archaeology, and passes many ancient points of interest along its way.
A roundabout interchange is a type of interchange between a controlled access highway, such as a motorway or freeway, and a minor road. The slip roads to and from the motorway carriageways converge at a single roundabout, which is grade-separated from the motorway lanes with bridges.
The A642 is an A-road in West Yorkshire, England which runs from Huddersfield to the A64 near Leeds. It partly follows the route of a historic turnpike road, which is evidenced by surviving toll houses.
Dunstable is a market town and civil parish in Bedfordshire, England, east of the Chiltern Hills, 30 miles north of London. There are several steep chalk escarpments, most noticeable when approaching Dunstable from the north. Dunstable is the fourth largest town in Bedfordshire and along with Houghton Regis forms the westernmost part of the Luton/Dunstable urban area.
The A433 road is an A road and primary route in Gloucestershire, England.
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.
A507 
M1 