A roads in Zone 3 of the Great Britain numbering scheme

The numbering zones for A-roads in Great Britain

List of A roads in zone 3 in Great Britain starting west of the A3 and south of the A4 (roads beginning with 3).

Single- and double-digit roads

Road	From	To	Notes
A3	The Monument, London	Portsmouth	A large majority is a trunk road. Its southern parallel motorway is designated the A3(M).
A30	Hounslow, West London	Land's End	Replaced for 6 miles (9.7 km) between Popham and the Bullington interchange by the A303 trunk road southwest of Basingstoke. A trunk road west of Exeter.
A31	Guildford	Bere Regis	Near the M3 its Romsey and Winchester portion is replaced by: • the J10 to J11, M3, Winchester • The A3090 from J11 to Ower in the New Forest District — a winding route covering 11 miles (18 km) in 16 miles (26 km).
A32	Gosport	Alton	All in Hampshire
A33	Winchester	Reading	Resumes in Southampton as various roads such as the arterial road alongside Southampton Dock.
A34	Winchester	Salford	Most of the section between Oxford and Solihull is arguably the A44 and the A3400 however its modern course ends northeast to join the M40 from which the northern part of the road can be accessed after one junction of the M42 motorway. A trunk road to Oxford and between Stafford and Stoke on Trent.
A35	Southampton	Honiton
A36	Southampton	Bath
A37	Dorchester	Bristol	Broken in two past the former Roman town of Ilchester by a bypass which is a small fraction of the A303
A38	Bodmin	Mansfield	Replaced by J27 to J31, M5. In Birmingham a shorter parallel road into the city centre is the A38(M) motorway A dual carriageway in South Devon, Staffordshire and Derbyshire.
A39	Newton Park near Bath	Falmouth

Triple-digit roads

Road	From	To	Notes
A300	Upper Thames Street, City of London	Newington Causeway, near Elephant & Castle
A301	Aldwych	St George's Circus
A302	Hyde Park Corner, London	Elephant & Castle	In three parts. 1. The London Inner Ring Road at Grosvenor Place to the Victoria one way system. 2. Victoria Street, half of Parliament Square and then Bridge Street (Westminster Bridge). 3. St George's Road (one way (north-west)) past St George's Cathedral, Southwark).
A303	M3 junction 8 South of Basingstoke	Honiton
A304	Fulham	Fulham	The western part of the Fulham Road
A305	East Sheen	Twickenham
A306	Hammersmith	Roehampton
A307	Kew	Cobham
A308	Brompton	Maidenhead	Exists in three sections, one from Brompton to Chelsea, the second from Chelsea to north of Putney Bridge, and the third from the Robin Hood junction at Kingston Vale to Maidenhead.
A309	Twickenham	Hook, London	Runs in two sections, one in Twickenham and Teddington as a non primary road and a longer primary section from Hampton Court to Hook.
A310	Hampton Wick	Brentford	Runs from the Hampton Wick junction with the A308 at Kingston Bridge northwards via Teddington, Strawberry Hill, Twickenham and Isleworth to the junction with the A315 at Brentford.
A311	Hampton	Twickenham
A312	Hampton	Harrow	The road has been dubbed the A three-one-queue owing to frequent heavy congestion on this road. Part of its course formerly ran from Hatton, London to Harlington, London across where Heathrow Airport now is: see File:OS_Heathrow_5th_Edition.jpg.
A313	Hampton Hill	Teddington
A314	Hanworth	Hounslow
A315	Knightsbridge	East Bedfont
A316	Chiswick	Start of M3 motorway (Sunbury-on-Thames)
A317	Hersham	Chertsey
A318	Chertsey	Byfleet
A319	Lightwater	Chertsey
A320	Guildford	Staines upon Thames
A321	Henley	York Town near Camberley	The road used to continue south of the A30 to Guildford via the following renumbered roads: B3411 (through Frimley Green), B3012 (to Pirbright), A324 (through Pirbright), B3012 (to Fox Corner), and A322 (to Guildford).
A322	Bracknell	Guildford
A323	Hartley Wintney	Guildford
A324	Woking	Normandy
A325	Bagshot	Greatham
A326	Totton	Fawley
A327	Reading	Farnborough
A328	Old Windsor	Englefield Green
A329	Wentworth, Virginia Water	Thame
A330	Maidenhead	Sunningdale
A331	Camberley	Runfold
A332	Bagshot	Slough
A333 road	Hazel Grove (A3 Junction) near Grayshott	Hindhead	Renumbered when the Hindhead Tunnel opened in July 2011 having been formerly part of the A3. A333 was previously used for the road from Winchester to Cosham until 1994 when it was downgraded to a series of B roads.
A334	Wickham	Southampton
A335	Southampton	Near Eastleigh
A336	Cadnam	Totton
A337	Near Cadnam	Christchurch
A338	Bournemouth	Besselsleigh
A339	Alton	Newbury
A340	Basingstoke	Pangbourne
A341	Merley, (Poole)	Red Hill Roundabout, Red Hill, Bournemouth
A342	Chippenham	Andover
A343	Newbury	Lopcombe Corner, Winterslow
A344	Stonehenge, Durrington	A360, Winterbourne Stoke	Previously linked the A303 and the A360 at Stonehenge.The road has been dug up and no longer exists.
A345	Marlborough	Salisbury
A346	Ludgershall	Swindon
A347	Ferndown	Bournemouth
A348	Trickett's Cross	Poole
A349	A31, Wimborne	Poole
A350	Poole	M4 motorway Junction 17, north of Chippenham
A351	Lytchett Minster bypass	Swanage
A352	Wareham bypass	Sherborne
A353	Weymouth	Warmwell
A354	Salisbury	Isle of Portland
A355	Amersham	Windsor
A356	Bower Hinton	Grimstone
A357	A371, near Wincanton	Blandford Forum
A358	Williton	east of Colyford
A359	Yeovil	Nunney
A360	Devizes	Salisbury
A361	Ilfracombe	Kilsby	Becomes the A4361 between Beckhampton and Swindon. At 195 miles (314 km) is the longest 3 digit A road in the UK.
A362	Warminster	Farrington Gurney
A363	Bathford	Yarnbrook
A364	Unused		Previously a road between Warminster and Chippenham. Now part of the A350.
A365	Box	Seend Fork, Sells Green, Seend	A short road split near its midpoint by Melksham and its bypass
A366	Trowbridge	Ammerdown crossroads (near Radstock)
A367	Bath	Shepton Mallet
A368	Marksbury	Churchill, Somerset
A369	Portishead	Bristol
A370	Bristol	Near Brent Knoll
A371	Wincanton	Weston-super-Mare
A372	Podimore, Yeovilton	Bridgwater
A373	Honiton	Cullompton
A374	Marsh Mills, Plymouth	Trerulefoot	Runs through Union Street, Plymouth
A375	Honiton	Sidmouth
A376	Exeter	Exmouth
A377	Exeter	Barnstaple
A378	Langport	Taunton
A379	Kennford	Plymouth
A380	Kennford	Torbay	Bypasses Kingskerswell on new South Devon Highway
A381	Teignmouth	Salcombe
A382	Newton Abbot	East of Okehampton
A383	Newton Abbot	Bickington
A384	Dartington	Buckfastleigh	Originally Totnes to near Launceston via Two Bridges
A385	Paignton	South Brent bypass
A386	Plymouth	Appledore
A387	Polbathic	Polperro
A388	Saltash bypass	Landcross
A389	Padstow	Lanivet
A390	Tavistock	Truro
A391	St Austell	Lanivet
A392	St. Columb Road	Newquay
A393	Redruth	Penryn bypass.
A394	Treliever Cross, Penryn	Longrock, Ludgvan
A395	Trewassa	Tregadillett
A396	Dunster	Cowley
A397	Portsmouth	Portsmouth
A398	Unused		Previously a road between Taunton and South Molton.
A399	South Molton bypass	Ilfracombe

Four-digit roads (30xx)

Road	From	To	Notes
A3000	Turnham Green	Chiswick
A3001	Ealing	Brentford
A3002	Brentford	Hanwell
A3003	Mortlake	Barnes
A3004	Isleworth	St Margarets
A3005	Southall	Hounslow
A3006	Henleys Corner, Hounslow	Hounslow
A3007	Richmond	Richmond
A3008	Hampton	Hampton
A3009	Esher	Esher
A3010	Basingstoke	Basingstoke
A3011	Farnborough	A331
A3013	Farnborough	Fleet
A3015	Sowton	Exeter
A3016	Hale	Hog Hatch
A3020	Cowes	Shanklin
A3021	East Cowes	Newport
A3022	A380, Kingskerswell	Brixham, Torbay
A3023	Near Havant	Hayling Island
A3024	Southampton	Hedge End
A3025	Southampton	Netley
A3026	Ludgershall	North Tidworth
A3027	Staplegrove	Taunton
A3028	Durrington	A303 via Bulford
A3029	Bedminster	Hotwells
A3030	Sherborne	Lydlinch
A3031	Chelsea Embankment	Battersea Park
A3032	Hare Hatch	Charvil
A3033	Weston-super-Mare	Uphill
A3035	Southampton	Southampton Common
A3036	County Hall, London	Wandsworth	See also: Albert Embankment
A3038	North Town, Taunton	Rowbarton, Taunton
A3039	Bath	Bath
A3040	Branksome	Wallisdown
A3044	Staines upon Thames	Colnbrook
A3046	Woking	Chobham
A3047	Scorrier	Camborne
A3049	Fleetsbridge	Boscombe
A3050	Weybridge	Hampton Court
A3051	Botley	Locks Heath
A3052	Charmouth	Clyst St Mary
A3054	Ryde	Totland	Northern part of Isle of Wight circular A-Class loop
A3055	Ryde	Totland	Southern part of Isle of Wight circular A-Class loop
A3056	Newport	Sandown
A3057	Southampton	Andover
A3058	Mellanvrane	St Austell
A3059	St Columb Minor	St Columb Major
A3060	Red Hill Roundabout, Bournemouth	Iford, Dorset, Bournemouth
A3062	Odd Down	Widcombe
A3063	Heston	Hanworth Road, Whitton
A3064	Milehouse	Weston Mill
A3065	Staplegrove	Bishop's Hull
A3066	Haselbury Plucknett	Bridport
A3069	Lymington	Lyndhurst
A3070 (Defunct)	Formerly connected A35 south-east of Axminster with Lyme Regis	Now downgraded as southernmost section of B3165	Ran through Uplyme
A3071	Penzance	St Just in Penwith
A3072	Bickleigh	Bude
A3073	Stratton, Cornwall	Bude
A3074	Lelant	St Ives
A3075	Trevemper, Newquay	Chiverton Cross, Blackwater
A3076	Mitchell	Gunmows Shop, St Newlyn East
A3078	Probus	St Mawes
A3079	Okehampton	Holsworthy
A3082	St Blazey	Fowey
A3083	Helston	Lizard
A3088	Yeovil	Stoke sub Hamdon
A3090	Near Winchester	Near Totton	Mostly formerly part of the A31
A3093	Andover	Andover
A3094	Harnham	Quidhampton	Forms a southern ring-road around Salisbury
A3095	Sandhurst	Bracknell
A3098	Frome	Westbury

Four-digit roads (31xx and higher)

Road	From	To	Notes
A3100	Burpham	Milford	Formerly the A3.
A3102	Swindon	Melksham
A3110	Parting Carn, St Mary's	Maypole	Circular road on St Mary's island
A3111	The Quay, Hugh Town, St Mary's	Parting Carn	The most westerly classified road in England
A3112	The Parade, Hugh Town, St Mary's	Parting Carn/St Mary's Airport	The most southerly classified road in the United Kingdom
A3113	M25 motorway Junction 14	Heathrow Airport
A3121	Wrangaton	Ermington	Formerly B3211
A3122	Halwell	Dartmouth	Formerly part of B3207
A3123	Combe Martin	Ilfracombe	Formerly part of B3343
A3124	Whiddon Down, Drewsteignton	Great Torrington	Formerly part of B3220 and unclassified roads
A3125	Barnstaple	Barnstaple	Formerly part of A39
A3126	Tiverton	Tiverton	Formerly part of A396
A3200	London Bridge	County Hall	Southwark Street/Stamford Street/York Road
A3201	A300 Southwark Bridge Road	The Borough	Marshalsea Road
A3202	Lambeth North station	The Borough
A3203	Lambeth Bridge	St George's Circus
A3204	Elephant & Castle	Vauxhall	Kennington Lane, part of the London Inner Ring Road
A3205	Vauxhall	Wandsworth
A3209	Wandsworth	Putney Bridge
A3210	A240 in Surbiton	A243 in Surbiton	Short link road
A3211	Westminster	Tower of London
A3212	Trafalgar Square	Chelsea	Whitehall, then Millbank and following the north of the Thames along the Chelsea Embankment to Battersea Bridge. The Houses Of Parliament are on this road.
A3213	Pimlico	Eaton Square
A3214	Buckingham Palace	Royal Hospital Chelsea
A3216	Knightsbridge	Clapham Common
A3217	Victoria	Chelsea
A3218	South Kensington	Fulham	Old Brompton Road, Lillie Road
A3219	Fulham	Fulham	Dawes Road
A3220	Clapham Common	White City
A3259	Staplegrove	Monkton Heathfield	Formerly part of A361
A3290	Winnersh	Reading	Previously the northern section of the A329(M)
A3400	Hockley Heath	Near Chipping Norton	Formerly part of A34
A3604	Bath	Bath

Notes and references

Notes

References