Motorway Database

Detailed information on every motorway and A-road expressway in mainland Britain - its length and route, its history, construction dates, and of course a detailed strip-map of the whole road. You can also find Chronology Maps showing the development of the motorway network over time, and you can search more than 2,000 individual junctions and other features of the road network.

M1

London-Yorkshire Motorway

London to Hook Moor

M2 & A2

Medway Towns Bypass

London to Lydden

M3

London to Southampton

M4

London to Pont Abraham

M5

Birmingham to Exeter

M6

Rugby to Gretna

M6 Toll

Midland Expressway

Coleshill to Cannock

M8

Edinburgh to Greenock

M9

Edinburgh to Dunblane

M10

Potters Crouch to Park Street

M11

London to Cambridge

M20

Mid Kent Motorway

London to Folkestone

M26

Wrotham Spur

Chevening to Wrotham

M27

Cadnam to Portsmouth

M32

Bristol Spur

Hambrook to Bristol

M45

Dunchurch Spur

Kilsby to Dunchurch

M48

Olveston to Caldicot

M49

Avonmouth to Severn Beach

M53

Wallasey to Chester

M54

Wolverhampton to Telford

M55

Preston Northern Bypass

Preston to Blackpool

M56

North Cheshire Motorway

Cheadle to Chester

M60

Manchester Outer Ring Road

Stockport to Stockport

M61

Manchester to Preston

M62

Lancashire-Yorkshire Motorway

Liverpool to North Cave

M66

Ramsbottom to Whitefield

M67

Denton and Hyde Bypass

Denton to Mottram

M69

Coventry to Leicester

M73

Maryville to Mollinsburn

M80

Glasgow to Stirling

M181

Bottesford Moor to Scunthorpe

M271

Southampton Dock Spur

Upton to Totton

M606

Cleckheaton to Bradford

M898

Erskine to Erskine Bridge

M2 & A2

Medway Towns Bypass

London to Lydden

A11

Norwich to Stump Cross

A12

Brentwood to Ipswich

A14

Rugby to Felixstowe

A15

Hessle to Barnetby-le-Wold

A21

Sevenoaks to Pembury

A30

Honiton to Camborne

A34

Wendlebury to Winchester

A38

Devon Expressway

Exeter to Plymouth

A38

Midlands Section

South Normanton to Shenstone

A41

Aston Clinton to Watford

A50

Kegworth to Stoke-on-Trent

A55

North Wales Expressway

Holyhead to Chester

A120

Bishop's Stortford to Braintree

A303

Basingstoke to Ilminster

A406

North Circular Road

Ealing to Beckton

A421

St Neots to Milton Keynes

A470

Merthyr Tydfil to Cardiff

A500

Barthomley to Hanchurch

A720

Edinburgh City Bypass

Gogar to Craighall

A38(M)

Aston Expressway

Gravelly Hill to Birmingham

A66(M)

Blackwell Spur

Cleasby to Stapleton

A167(M)

Newcastle Central Motorway

Elswick to Jesmond

A404(M)

Maidenhead Bypass

Maidenhead Thicket to Holyport

A601(M)

Carnforth Spur

Over Kellett to Carnforth

In this section

What's new

A century of motorways

It's 100 years since the opening of the world's first motorway, the Autostrada from Milan to the Lakes.

Schrödinger’s speed limit

In 2022, Manchester City Council say they reduced the speed limit on the Mancunian Way to 30mph. But it’s not clear if they did. It’s not even clear if they can.

Sorry, wrong number

Road numbering is a system with clear rules. What happens when the people responsible for numbering roads don't follow them?

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Have you seen...

Driver Location Signs

If you're on the motorway (in England at least) you might have noticed some funny blue signs down the side of the road. What are they for?