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
Triple-digit roads
| Road |
From |
To |
Notes |
 A300 road |
Upper Thames Street, City of London |
Newington Causeway, near Elephant & Castle |
|
 A301 road |
Aldwych, Central London |
St George's Circus |
|
 A302 road |
Hyde Park Corner, Central London |
County Hall |
|
 A303 road |
M3 junction 8 South of Basingstoke |
Honiton |
|
 A304 road |
Fulham |
Fulham |
The western part of the Fulham Road |
 A305 road |
East Sheen |
Twickenham |
|
 A306 road |
Hammersmith |
Roehampton |
|
 A307 road |
Kingston upon Thames |
Cobham |
|
 A308 road |
Brompton |
Maidenhead |
|
 A309 road |
Twickenham |
Hook |
|
 A310 road |
Kingston upon Thames |
Brentford |
|
 A311 road |
Hampton |
Twickenham |
|
 A312 road |
Hampton |
Harrow |
|
 A313 road |
Hampton Hill |
Teddington |
|
 A314 road |
Hanworth |
Hounslow |
|
 A315 road |
Knightsbridge |
Hounslow |
|
 A316 road |
Chiswick |
Start of M3 motorway |
|
 A317 road |
Hersham |
Chertsey |
|
 A318 road |
Chertsey |
Byfleet |
|
 A319 road |
Lightwater |
Chertsey |
|
 A320 road |
Guildford |
Staines |
|
 A321 road |
Henley |
Ash |
 A322 road |
Bracknell |
Guildford |
|
 A323 road |
Hartley Wintney |
Guildford |
|
 A324 road |
Woking |
Normandy |
|
 A325 road |
Bagshot |
Greatham |
|
 A326 road |
Totton |
Fawley |
|
 A327 road |
Reading |
Farnborough |
|
 A328 road |
Old Windsor |
Egham |
|
 A329 road |
Wentworth |
Thame |
|
 A330 road |
Maidenhead |
Sunningdale |
|
 A331 road |
Camberley |
Runfold |
|
 A332 road |
Bagshot |
Slough |
|
| A333 |
Unused |
|
Previously a road between Winchester and near Portsmouth |
 A334 road |
Wickham |
Southampton |
|
 A335 road |
Southampton |
Near Eastleigh |
|
 A336 road |
Cadnam |
Totton |
|
 A337 road |
Near Cadnam |
Christchurch |
|
 A338 road |
Bournemouth |
Bessels Leigh |
|
 A339 road |
Alton |
Newbury |
|
 A340 road |
Basingstoke |
Pangbourne |
|
 A341 road |
Merley, Poole |
Northbourne, Bournemouth |
|
 A342 road |
Chippenham |
Andover |
|
 A343 road |
Newbury |
Lopcombe Corner |
|
 A344 road |
Stonehenge |
A360 |
|
 A345 road |
Marlborough |
Salisbury |
|
 A346 road |
Ludgershall |
Swindon |
|
 A347 road |
Ferndown |
Bournemouth |
|
 A348 road |
Trickett's Cross |
Poole |
|
 A349 road |
A31 at Wimborne |
Poole |
|
 A350 road |
Poole |
M4 motorway |
|
 A351 road |
Lytchett Minster bypass |
Swanage |
|
 A352 road |
Wareham bypass |
Sherborne |
|
 A353 road |
Weymouth |
Warmwell |
|
 A354 road |
Salisbury |
Isle of Portland |
|
 A355 road |
Amersham |
Windsor |
|
 A356 road |
Bower Hinton |
Grimstone |
|
 A357 road |
A371, near Wincanton |
Blandford Forum |
|
 A358 road |
Williton |
east of Colyford |
|
 A359 road |
Yeovil |
Nunney |
|
 A360 road |
Devizes |
Salisbury |
|
 A361 road |
Ilfracombe |
Kilsby |
|
 A362 road |
Warminster |
Farrington Gurney |
|
 A363 road |
Bathford |
Yarnbrook |
|
| A364 |
Unused |
|
Previously a road between Warminster and Chippenham. |
 A365 road |
Box |
Sells Green |
|
 A366 road |
Trowbridge |
Radstock |
|
 A367 road |
Bath |
Shepton Mallet |
|
 A368 road |
Marksbury |
Churchill, Somerset |
|
 A369 road |
Portishead |
Bristol |
|
 A370 road |
Bristol |
Near Brent Knoll |
|
 A371 road |
Wincanton |
Weston-super-Mare |
|
 A372 road |
Podimore |
Bridgwater |
|
 A373 road |
Honiton |
Cullompton |
|
 A374 road |
Marsh Mills, Plymouth |
Trerulefoot |
Runs through Union Street, Plymouth |
 A375 road |
Honiton |
Sidmouth |
|
 A376 road |
Exeter |
Exmouth |
|
 A377 road |
Exeter |
Barnstaple |
|
 A378 road |
Langport |
Taunton |
|
 A379 road |
Kenford |
Plymouth |
|
 A380 road |
Bickham House |
Torbay |
|
 A381 road |
Teignmouth |
Salcombe |
|
 A382 road |
Newton Abbot |
Whiddon Down |
|
 A383 road |
Newton Abbot |
Goodstone |
|
 A384 road |
Shinner's Bridge |
Buckfastleigh |
Originally Totnes to near Launceston via Two Bridges |
 A385 road |
Paignton |
South Brent bypass |
|
 A386 road |
Plymouth |
Appledore |
|
 A387 road |
Polbathic |
Polperro |
|
 A388 road |
Saltash bypass |
Landcross |
|
 A389 road |
Padstow |
Lanivet |
|
 A390 road |
Tavistock |
Truro |
|
 A391 road |
St Austell |
Lanivet |
|
 A392 road |
St. Columb Road |
Newquay |
|
 A393 road |
Redruth |
Penryn bypass. |
|
 A394 road |
Longrock |
Penryn bypass |
|
 A395 road |
Trewassa |
Tregadillett |
|
 A396 road |
Dunster |
Cowley |
|
 A397 road |
Portsmouth |
Portsmouth |
|
| A398 |
Unused |
|
Previously a road between Taunton and South Molton. |
 A399 road |
South Molton bypass |
Ilfracombe |
|
Four-digit roads (30xx)
| Road |
From |
To |
Notes |
 A3000 road |
Turnham Green |
Chiswick |
|
 A3001 road |
Ealing |
Brentford |
|
 A3002 road |
Brentford |
Hanwell |
|
 A3003 road |
Mortlake |
Barnes |
|
 A3004 road |
Isleworth |
St Margarets |
|
 A3005 road |
Southall |
Hounslow |
|
 A3006 road |
Henleys Corner, Hounslow |
Hounslow |
|
 A3007 road |
Richmond |
Richmond |
|
 A3008 road |
Hampton |
Hampton |
|
 A3009 road |
Esher |
Esher |
|
 A3010 road |
Basingstoke |
Basingstoke |
|
 A3011 road |
Farnborough |
A331 |
|
 A3013 road |
Farnborough |
Fleet |
|
 A3015 road |
Sowton |
Exeter |
|
 A3016 road |
Hale |
Hog Hatch |
|
 A3020 road |
Cowes |
Shanklin |
|
 A3021 road |
East Cowes |
Newport |
|
 A3022 road |
A380, Kingskerswell |
Brixham, Torbay |
|
 A3023 road |
Near Havant |
Hayling Island |
|
 A3024 road |
Southampton |
Hedge End |
|
 A3025 road |
Southampton |
Netley |
|
 A3026 road |
Ludgershall |
North Tidworth |
|
 A3027 road |
Staplegrove |
Taunton |
|
 A3028 road |
Bulford Camp |
Durrington |
|
 A3029 road |
Bedminster |
Hotwells |
|
 A3030 road |
Sherborne |
Lydlinch |
|
 A3031 road |
Chelsea Embankment |
Battersea Park |
|
 A3032 road |
Hare Hatch |
Charvil |
|
 A3033 road |
Weston-super-Mare |
Uphill |
|
 A3035 road |
Southampton |
Southampton Common |
|
 A3036 road |
County Hall, London, Central London |
Wandsworth |
See also: Albert Embankment |
 A3038 road |
North Town |
Rowbarton |
|
 A3039 road |
Bath |
Bath |
|
 A3040 road |
Branksome |
Wallisdown |
|
 A3041 road |
Wallisdown |
Branksome |
|
 A3044 road |
Staines |
Colnbrook |
|
 A3046 road |
Woking |
Chobham |
|
 A3047 road |
Scorrier |
Camborne |
|
 A3049 road |
Fleetsbridge |
Boscombe |
|
 A3050 road |
Frome |
Westbury |
|
 A3051 road |
Botley |
Locks Heath |
|
 A3052 road |
Charmouth |
Clyst St Mary |
|
 A3054 road |
Ryde |
Totland |
Northern part of Isle of Wight circular A-Class loop |
 A3055 road |
Ryde |
Totland |
Southern part of Isle of Wight circular A-Class loop |
 A3056 road |
Newport |
Sandown |
|
 A3057 road |
Southampton |
Andover |
|
 A3058 road |
Mellanvrane |
St Austell |
|
 A3059 road |
St Columb Minor |
St Columb Major |
|
 A3060 road |
Moordown, Bournemouth |
Iford, Bournemouth |
|
 A3062 road |
Odd Down |
Widcombe |
|
 A3063 road |
Heston |
The Warren |
|
 A3064 road |
Milehouse |
Weston Mill |
|
 A3065 road |
Staplegrove |
Ramwell |
|
 A3066 road |
Haselbury Plucknett |
Bridport |
|
 A3069 road |
Lymington |
Lyndhurst |
|
 A3071 road |
Penzance |
St Just in Penwith |
|
 A3072 road |
Bickleigh |
Bude |
|
 A3073 road |
Stratton, Cornwall |
Bude |
|
 A3074 road |
Lelant |
St Ives |
|
 A3075 road |
Trevemper, Newquay |
Chiverton Cross, Blackwater |
|
 A3076 road |
Mitchell |
Gunmows Shop |
|
 A3078 road |
Probus |
St Mawes |
|
 A3079 road |
Okehampton |
Holsworthy |
|
 A3082 road |
St Blazey |
Fowey |
|
 A3083 road |
Helston |
Lizard |
|
 A3088 road |
Yeovil |
Stoke sub Hamdon |
|
 A3090 road |
Near Winchester |
Near Totton |
Mostly formerly part of the A31 |
 A3093 road |
Andover |
Andover |
|
 A3094 road |
Harnham |
Quidhampton |
Forms a southern ring-road around Salisbury |
 A3095 road |
Sandhurst |
Bracknell |
|
 A3098 road |
Frome |
Westbury |
|
Four-digit roads (31xx and higher)
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