.
| Road
| From3
| To
| Notes |
|
| The Monument, Central London
| Portsmouth
|
|
|
| Hounslow, West London
| Land's End
|
|
|
| Guildford
| Bere Regis
|
|
|
| Gosport
| Alton
|
|
|
| Southampton
| Reading
|
|
|
| Winchester
| Manchester
|
|
|
| Southampton
| Honiton
|
|
|
| Southampton
| Bath
|
|
|
| Dorchester
| Bristol
|
|
|
| Bodmin
| Mansfield
|
|
|
| Bath
| Falmouth
|
|
|
| Upper Thames Street, City of London
| Newington Causeway, near Elephant & Castle
|
|
|
| Aldwych, Central London
| St George's Circus
|
|
|
| Hyde Park Corner, Central London
| County Hall
| |
|
| M3 junction 8 South of Basingstoke
| Honiton
|
|
|
| Fulham
| Fulham
| The western part of the Fulham Road |
|
| East Sheen
| Twickenham
|
|
|
| Hammersmith
| Roehampton
|
|
|
| Kingston upon Thames
| Cobham
|
|
|
| Brompton
| Maidenhead
|
|
|
| Twickenham
| Hook
|
|
|
| Kingston upon Thames
| Brentford
|
|
|
| Hampton
| Twickenham
|
|
|
| Hampton
| Harrow
|
|
|
| Hampton Hill
| Teddington
|
|
|
| Hanworth
| Hounslow
| |
|
| Knightsbridge
| Hounslow
|
|
|
| Chiswick
| Start of M3 motorway
| |
|
| Hersham
| Chertsey
| |
|
| Chertsey
| Byfleet
| |
|
| Lightwater
| Chertsey
|
|
|
| Guildford
| Staines
| |
|
| Henley
| Ash |
|
| Bracknell
| Guildford
|
|
|
| Hartley Wintney
| Guildford
|
|
|
| Woking
| Normandy
|
|
|
| Bagshot
| Greatham
| |
|
| Totton
| Fawley
|
|
|
| Reading
| Farnborough
|
|
|
| Old Windsor
| Egham
|
|
|
| Wentworth
| Thame
| |
|
| Maidenhead
| Sunningdale
|
|
|
| Camberley
| Runfold
| |
|
| Bagshot
| Slough
|
|
| A333
| Unused
|
| Previously a road between Winchester and near Portsmouth |
|
| Wickham
| Southampton
|
|
|
| Southampton
| Near Eastleigh
|
|
|
| Cadnam
| Totton
| |
|
| Near Cadnam
| Christchurch
| |
|
| Bournemouth
| Bessels Leigh
|
|
|
| Alton
| Newbury
|
|
|
| Basingstoke
| Pangbourne
|
|
|
| Merley, Poole
| Northbourne, Bournemouth
|
|
|
| Chippenham
| Andover
| |
|
| Newbury
| Lopcombe Corner
| |
|
| Stonehenge
| A360
|
|
|
| Marlborough
| Salisbury
|
|
|
| Ludgershall
| Swindon
|
|
|
| Ferndown
| Bournemouth
|
|
|
| Trickett's Cross
| Poole
|
|
|
| A31 at Wimborne
| Poole
|
|
|
| Poole
| M4 motorway
|
|
|
| Lytchett Minster bypass
| Swanage
|
|
|
| Wareham bypass
| Sherborne
|
|
|
| Weymouth
| Warmwell
|
|
|
| Salisbury
| Isle of Portland
|
|
|
| Amersham
| Windsor
|
|
|
| Bower Hinton
| Grimstone
|
|
|
| A371, near Wincanton
| Blandford Forum
| |
|
| Williton
| east of Colyford
| |
|
| Yeovil
| Nunney
| |
|
| Devizes
| Salisbury
| |
|
| Ilfracombe
| Kilsby
| |
|
| Warminster
| Farrington Gurney
|
|
|
| Bathford
| Yarnbrook
| |
| A364
| Unused
|
| Previously a road between Warminster and Chippenham. |
|
| Box
| Sells Green
|
|
|
| Trowbridge
| Radstock
|
|
|
| Bath
| Shepton Mallet
|
|
|
| Marksbury
| Churchill, Somerset
| |
|
| Portishead
| Bristol
|
|
|
| Bristol
| Near Brent Knoll
| |
|
| Wincanton
| Weston-super-Mare
|
|
|
| Podimore
| Bridgwater
| |
|
| Honiton
| Cullompton
|
|
|
| Marsh Mills
| Trerulefoot
|
|
|
| Honiton
| Sidmouth
|
|
|
| Exeter
| Exmouth
|
|
|
| Exeter
| Barnstaple
|
|
|
| Langport
| Taunton
|
|
|
| Kenford
| Plymouth
|
|
|
| Bickham House
| Torbay
|
|
|
| Teignmouth
| Salcombe
|
|
|
| Newton Abbot
| Whiddon Down
|
|
|
| Newton Abbot
| Goodstone
|
|
|
| Shinner's Bridge
| Buckfastleigh
| Originally Totnes to near Launceston via Two Bridges |
|
| Paignton
| South Brent bypass
|
|
|
| Plymouth
| Appledore
|
|
|
| Polbathic
| Polperro
|
|
|
| Saltash bypass
| Landcross
|
|
|
| Padstow
| Lanivet
|
|
|
| Tavistock
| Truro
|
|
|
| St Austell
| Lanivet
|
|
|
| St. Columb Road
| Newquay
|
|
|
| Redruth
| Penryn bypass.
|
|
|
| Longrock
| Penryn bypass
|
|
|
| Trewassa
| Tregadillett
|
|
|
| Dunster
| Cowley
|
|
|
| Portsmouth
| Portsmouth
|
|
| A398
| Unused
|
| Previously a road between Taunton and South Molton. |
|
| South Molton bypass
| Ilfracombe
|
|
|
| Turnham Green
| Chiswick
|
|
|
| Ealing
| Brentford
|
|
|
| Brentford
| Hanwell
|
|
|
| Mortlake
| Barnes
|
|
|
| Isleworth
| St Margarets
|
|
|
| Southall
| Hounslow
|
|
|
| Henleys Corner, Hounslow
| Hounslow
|
|
|
| Richmond
| Richmond
|
|
|
| Hampton
| Hampton
|
|
|
| Esher
| Esher
|
|
|
| Basingstoke
| Basingstoke
|
|
|
| Farnborough
| A331
|
|
|
| Farnborough
| Fleet
| |
|
| Sowton
| Exeter
| |
|
| Hale
| Hog Hatch
|
|
|
| Cowes
| Shanklin
|
|
|
| East Cowes
| Newport
| |
|
| A380, Kingskerswell
| Brixham, Torbay
| |
|
| Near Havant
| Hayling Island
| |
|
| Southampton
| Hedge End
| |
|
| Southampton
| Netley
| |
|
| Ludgersgall
| North Tidworth
|
|
|
| Staplegrove
| Taunton
|
|
|
| Bulford Camp
| Durrington
|
|
|
| Bedminster
| Hotwells
|
|
|
| Sherborne
| Lydlinch
|
|
|
| Chelsea Embankment
| Battersea Park
|
|
|
| Hare Hatch
| Charvil
|
|
|
| Weston-super-Mare
| Uphill
|
|
|
| Southampton
| Southampton Common
|
|
|
| County Hall, London, Central London
| Wandsworth
| See also: Albert Embankment |
|
| North Town
| Rowbarton
|
|
|
| Bath
| Bath
|
|
|
| Branksome
| Wallisdown
| |
|
| Wallisdown
| Branksome
|
|
|
| Staines
| Colnbrook
| |
|
| Woking
| Chobham
|
|
|
| Scorrier
| Camborne
|
|
|
| Fleetsbridge
| Boscombe
| |
|
| Frome
| Westbury
|
|
|
| Botley
| Locks Heath
|
|
|
| Charmouth
| Clyst St Mary
|
|
|
| Ryde
| Totland
| Northern part of Isle of Wight circular A-Class loop |
|
| Ryde
| Totland
| Southern part of Isle of Wight circular A-Class loop |
|
| Newport
| Sandown
| |
|
| Southampton
| Andover
|
|
|
| Mellanvrane
| St Austell
|
|
|
| St Columb Minor
| St Columb Major
|
|
|
| Moordown, Bournemouth
| Iford, Bournemouth
|
|
|
| Odd Down
| Widcombe
|
|
|
| Heston
| The Warren
| |
|
| Milehouse
| Weston Mill
|
|
|
| Staplegrove
| Ramwell
|
|
|
| Haselbury Plucknett
| Bridport
|
|
|
| Lymington
| Lyndhurst
|
|
|
| Penzance
| St Just in Penwith
|
|
|
| Bickleigh
| Bude
|
|
|
| Stratton, Cornwall
| Bude
|
|
|
| Lelant
| St Ives
|
|
|
| Trevemper, Newquay
| Chiverton Cross, Blackwater
|
|
|
| Mitchell
| Gunmows Shop
|
|
|
| Probus
| St Mawes
|
|
|
| Okehampton
| Holsworthy
|
|
|
| St Blazey
| Fowey
|
|
|
| Helston
| Lizard
|
|
|
| Yeovil
| Stoke sub Hamdon
|
|
|
| Near Winchester
| Near Totton
| Mostly formerly part of the A31 |
|
| Andover
| Andover
|
|
|
| Harnham
| Quidhampton
| Forms a southern ring-road around Salisbury |
|
| Sandhurst
| Bracknell
| |
|
|
|
|
|
|
| Burpham
| Milford
| The Old Portsmouth Road (Formerly Part of the A3 & A31) |
|
| Swindon
| Melksham
| |
|
| Hugh Town
| Hugh Town
| Scilly Isles circular road |
|
| Higher Moors
| Hugh Town
|
|
|
| Higher Moors
| Hugh Town
|
|
|
| M25 motorway Junction 14
| Heathrow Airport
|
|
|
| Wrangaton
| Ermington
|
|
|
| Halwell
| Dartmouth
|
|
|
| Combe Martin
| Ilfracombe
|
|
|
| Whiddon Down
| Great Torrington
| |
|
| Barnstaple
| Barnstaple
|
|
|
| Tiverton
| Tiverton
|
|
|
| London Bridge
| County Hall
|
|
|
| A300 Southwark Bridge Road
| The Borough
|
|
|
| Lambeth North station
| The Borough
| |
|
| Lambeth Bridge
| St George's Circus
| |
|
| Elephant & Castle
| Vauxhall
| Kennington Lane, part of the London Inner Ring Road |
|
| Vauxhall
| Wandsworth
|
|
|
| Wandsworth
| Putney Bridge
|
|
|
| A240 in Surbiton
| A243 in Surbiton
| Short link road |
|
| Westminster
| Tower of London
|
|
|
| Trafalgar Square
| Chelsea
|
|
|
| Pimlico
| Eaton Square
|
|
|
| Buckingham Palace
| Royal Hospital Chelsea
|
|
|
| Knightsbridge
| Clapham Common
|
|
|
| Victoria
| Chelsea
| |
|
| South Kensington
| Fulham
| |
|
| Fulham
| Fulham
| Dawes Road |
|
| Clapham Common
| White City
|
|
|
| Staplegrove
| Monkton Heathfield
|
|
|
| Winnersh
| Reading
| Previously the northern section of the A329(M) |
|
| Hockley Heath
| Near Chipping Norton
|
|
|
| Bath
| Bath
|
|
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