A roads in Zone 3 of the Great Britain numbering scheme

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The numbering zones for A-roads in Great Britain United Kingdom A road zones.svg
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).

Contents

Single- and double-digit roads

RoadFromToLengthNotes
UK road A3.svg A3 The Monument, London Portsmouth 78 miles (126 km)A large majority is a trunk road. Its southern parallel motorway is designated the A3(M).
UK road A30.svg A30 Hounslow, West London Land's End 281 miles (452 km)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. Previously went via A343, Salisbury Road (old A343), B3042 (old A303), A3057, London Road (old B3400), B3400, and city streets (old A33) between Lopcombe Hill and Basingstoke, but this was changed as part of a renumbering of roads in the area. Replaced for 5 miles by M5 (J29 - J31) near Exeter.
UK road A31.svg A31 Guildford Bere Regis 68 miles (109 km)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).
UK road A32.svg A32 Gosport Alton 29 miles (47 km)All in Hampshire
UK road A33.svg A33 Winchester Reading 39 miles (63 km)Resumes in Southampton as various roads such as the arterial road alongside Southampton Dock.
UK road A34.svg A34 Winchester Salford 157 miles (253 km)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.
UK road A35.svg A35 Southampton Honiton 98 miles (158 km)Originally went southwest from Charmouth to Clyst St Mary along what is now the A3052.
UK road A36.svg A36 Southampton Bath 62 miles (100 km)
UK road A37.svg A37 Dorchester Bristol 60 miles (97 km)Broken in two past the former Roman town of Ilchester by a bypass which is a small fraction of the A303
UK road A38.svg A38 Bodmin Mansfield 292 miles (470 km)Replaced by J27 to J31, M5 past Exeter. Replaced in Birmingham by a shorter parallel road into the city centre, the A38(M). A dual carriageway in South Devon, Staffordshire and Derbyshire. The longest 2-digit A road in the UK, at 292 miles.
UK road A39.svg A39 Newton Park near Bath Falmouth 191 miles (307 km)

Triple-digit roads

RoadFromToNotes
UK road A300.svg A300Upper Thames Street, City of London Newington Causeway, near Elephant & Castle Southwark Bridge
UK road A301.svg A301 Aldwych St George's Circus Waterloo Bridge
UK road A302.svg A302 Hyde Park Corner, London Elephant & Castle In two 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), followed by part of Westminster Bridge Road (which replaced part of the A23) and finally St George's Road (one way (north-west)) past St George's Cathedral, Southwark).
UK road A303.svg A303 M3 J8 south of Basingstoke A30, between Newcott and RawridgeA303 was previously used for the road from County Hall, London to Wandsworth, which was renumbered to the new A3036 so that the number could be used on the current route which replaced the old A3036, the original A3079, and parts of other roads.
UK road A304.svg A304 Fulham FulhamThe western part of the Fulham Road. Originally continued east via what is now the A308 and the A4 to the A4 (now the A315).
UK road A305.svg A305 East Sheen Hanworth The road used to continue west of the A312 to the A308 in Sunbury via what is now the A316.
UK road A306.svg A306 Hammersmith Roehampton Hammersmith Bridge closed to motor traffic from April 2019
UK road A307.svg A307 Kew Cobham The section between Kingston upon Thames and Cobham follows the course of the old A3, and is still mostly called Portsmouth Road.
UK road A308.svg 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. The section from the A4 to the A3220 was originally part of the A304, and the section from the A3220 to A219 was originally part of the A3217. The section between Roehampton and Kingston upon Thames follows the course of the old A3.
UK road A309.svg 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.
UK road A310.svg 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.
UK road A311.svg A311 Hampton Twickenham
UK road A312.svg A312 Hampton Harrow The road has been dubbed "The A three-one-queue" owing to frequent peak-hours' heavy congestion. Part of its course ran from Hatton to Harlington, London across where Heathrow Airport is instead of its present course past Cranford more directly to north-east Hayes and districts further north including Harrow. Its middle section is officially known as The Parkway [1] The deleted section is now Faggs Road, Hatton Road (sections were lost under the airport), A437, Station Road, Coldharbour Lane, and Yeading Lane.
UK road A313.svg A313 Hampton Hill Teddington
UK road A314.svg A314 Hanworth Hounslow Continued beyond A312 to A316 before 2019, this section is now the B391
UK road A315.svg A315 Knightsbridge East Bedfont Exists in two parts: one from Knightsbridge to the junction with the A4, North and South Circular Roads at Chiswick Roundabout, and the other from the north end of Kew Bridge to East Bedfont. The section in between is part of the South Circular Road
UK road A316.svg A316 Chiswick Start of M3 motorway (Sunbury-on-Thames)
UK road A317.svg A317 Hersham Chertsey
UK road A318.svg A318 Chertsey Byfleet
UK road A319.svg A319 Lightwater Chertsey
UK road A320.svg A320 Guildford Staines upon Thames
UK road A321.svg A321 Henley York Town near Camberley The road used to continue south of the A30 to the A323 in Ash via what is now the B3411. Before that, the road went southeast from Frimley Green via the following renumbered roads: B3012 (to Pirbright), A324 (through Pirbright), B3012 (to Fox Corner), and A322 (to Guildford).
UK road A322.svg A322 Bracknell Guildford
UK road A323.svg A323 Hartley Wintney Guildford
UK road A324.svg A324 Woking Normandy Originally, the road continued west concurrent with the A323 and then southwest via the current B3208.
UK road A325.svg A325 Bagshot Greatham
UK road A326.svg A326 Totton Fawley A326 was previously used for the road from Farnham to Petersfield (now part of the A325, with the southern portion now Petersfield Road, Farnham Road, B3006, and Farnham Road (the A3 was built over one section))
UK road A327.svg A327 Reading Farnborough
UK road A328.svg A328 Old Windsor Englefield Green
UK road A329.svg A329 Wentworth, Virginia Water Thame
UK road A330.svg A330 Maidenhead Sunningdale
UK road A331.svg A331 Camberley Runfold Originally ran from Windsor to Ditton Park. Construction of the M4 in the 1960s meant the end of the road for the A331, and the M4 was built on top of it at Ditton Park with a parallel access road and the road into Windsor becoming the B470. The northernmost section was declassified altogether and is now Ditton Road.
UK road A332.svg A332 Bagshot Slough
UK road A333.svg A333Hazel 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 B3335, B3354, and B2177.
UK road A334.svg A334 Wickham Southampton
UK road A335.svg A335 Southampton Near Eastleigh This was intended to be the route for the M272. Formerly had a branch from the A335/B3335 junction to Twyford. This branch is now the B3335.
UK road A336.svg A336 Cadnam Totton
UK road A337.svg A337 Near Cadnam Christchurch
UK road A338.svg A338 Bournemouth Besselsleigh Originally went via what is now the B3087 and A345 from Burbage to Salisbury; this was changed during a road renumbering in the area.
UK road A339.svg A339 Alton Newbury
UK road A340.svg A340 Basingstoke Pangbourne
UK road A341.svg A341 Merley, (Poole)Red Hill Roundabout, Red Hill, Bournemouth A341 was previously used for the road from Winchester to Lopcombe Corner. The section west of Stockbridge became part of the A30 which was rerouted, while the remaining section became part of the A272 (now B3049) at the same time that the current A341 was created.
UK road A342.svg A342 Chippenham Andover Previously continued southeast to Winchester; this section was changed to the new A303 (now the B3402), an extension of the A3057 and the new B3420 (southern portion now part of the A272) as part of a renumbering due to the creation of the current A303.
UK road A343.svg A343 Newbury Lopcombe Corner, Winterslow
UK road A344.svg A344 UnusedFirst used from Weyhill to Heytesbury. The section east of Stonehenge became part of the new A303 in 1934. The section just west of Stonehenge became a portion of the A360 by 1956, while the remainder was downgraded to the B390 in the 1970s.

Next used from the A303 at Stonehenge to the A360 at Airman's Corner. On 24 June 2013, the section from Stonehenge Bottom and Stonehenge was closed and grassed over. The remainder was downgraded to Class III as the C506.

UK road A345.svg A345 Marlborough Salisbury Formerly continued north via the current A346, A419, A4259, B4006, A4259, and B4311 to Swindon. Originally, the A345 went southeast from Marlborough via the current A346 to Ludgershall; this was changed in a road renumbering in the area.
UK road A346.svg A346 Ludgershall M4 J15 southeast of Swindon Follows A338 between Collingbourne Ducis and Burbage, then continues via Marlborough. A346 was previously used for the road from Collingbourne Ducis to the A303 south of Shipton Bellinger; this became part of the rerouted A338 in a road renumbering in the area, while the A346 number was reused on the old route of the A345.
UK road A347.svg A347 Ferndown Bournemouth
UK road A348.svg A348 Trickett's Cross Poole
UK road A349.svg A349 A31 in Wimborne Poole
UK road A350.svg A350 Poole M4 J17 north of Chippenham
UK road A351.svg A351 Lytchett Minster bypass Swanage via Corfe Castle
UK road A352.svg A352 Wareham bypass Sherborne
UK road A353.svg A353 Weymouth Warmwell
UK road A354.svg A354 Salisbury Isle of Portland Previously ran through town centres of Dorchester and Weymouth. Rerouted in Upwey along new alignment.
UK road A355.svg A355 Amersham Windsor Originally ran from Sherborne to Durweston (near Blandford Forum). The route was chopped up and renumbered in the 1935 renumbering: the section from Sherborne to West Hill (near North Wooton) was absorbed by an extended A352 and the eastern end from Lyndlich to Durweston was handed over to the A357. The remaining seven mile section was deemed unworthy of a three-digit number, so it became the new A3030.
UK road A356.svg A356 Bower Hinton Grimstone
UK road A357.svg A357 A371, near Wincanton Blandford Forum
UK road A358.svg A358 Williton east of Colyford Route passes through Taunton and Chard in Somerset. Between Taunton and Ilminster, it provides the main link between the A303 and the M5. Route previously went southeast from Ilminster via what is now the A303 and the A3088 to Yeovil; the route was changed south of Ilminster to the current routing as part of a renumbering due to the creation of the current A303.
UK road A359.svg A359 Yeovil Nunney
UK road A360.svg A360 Devizes Salisbury
UK road A361.svg A361 Ilfracombe Kilsby The section between Beckhampton and the A4289 in Swindon was renumbered the A4361 to discourage through traffic, and the section through Swindon is now A4289, Wood Street, B4289, Shrivenham Road, Stratton Road, and B4006. Through traffic should use the A4, A346, and A419 between Beckhampton and Swindon. At 195 miles (314 km) is the longest 3 digit A road in the UK. Before the North Devon link road opened, it went along unclassified roads to South Molton, and then northeast via what is now the B3227.
UK road A362.svg A362 Warminster Farrington Gurney
UK road A363.svg A363 Bathford Yarnbrook Previously continued south to Warminster; this section became part of the A350.
UK road A364.svg A364UnusedPreviously a road between Yarnbrook and Chippenham. Became a portion of an extended A350 in 1935.

It was also reserved in 1972 for the North Devon link road between Barnstaple and Bampton but that road was rerouted through Tiverton and opened as part of the A361 instead.

UK road A365.svg A365 Box A361 near Seend Via Atworth, Shaw, Melksham and Sells Green; originally joined the A350 through Melksham town centre but now both roads follow a western bypass.
UK road A366.svg A366 Trowbridge Ammerdown crossroads (near Radstock)
UK road A367.svg A367 Bath Shepton Mallet This road follows part of the original Fosse Way and is regularly used as a non-motorway route from Bath to Exeter via the A37, A303 and A30.
UK road A368.svg A368 Marksbury Churchill, Somerset Formerly continued northeast to Bath, but this section became part of the A39.
UK road A369.svg A369 Portishead Bristol A369 was previously used for the road from Glastonbury to Marksbury (now part of the A39). Number reused later as an upgrade to the eastern half of the B3124.
UK road A370.svg A370 Bristol Near Brent Knoll
UK road A371.svg A371 Wincanton Weston-super-Mare
UK road A372.svg A372Podimore, Yeovilton Bridgwater
UK road A373.svg A373 Honiton Cullompton Formerly continued north to Uffculme concurrent with the M5 and west to Tiverton via what is now A361, this section became part of its current routes when the freeway extension west of Tiverton was completed. Before the freeway was built, the A373 went west from Honiton to South Molton via what is now the B3181 spur, B3181 (old A38), A38, A361, Lower Town, Turnpike, High Street, Post Hill, Blundell's Road, A396, A3126, and B3137. Earlier, the road was routed on what is now South View Road and Willand Road from Willand to Halberton, but this became part of the B3391, while the A373 was concurrent with the A38 north to Uffculme and west on the old A373 spur to Halberton as shown above. Earlier the road continued east to Charmouth via the current A35 (then the A35 went west via the current A3052). Originally, the A373 went west to Ilfracombe, but that section became part of an extended A361.
UK road A374.svg A374 Marsh Mills, Plymouth Trerulefoot Runs through Union Street, Plymouth. Originally followed the current A38 between these points (though one section became the B3413 when the A38 bypass was built), while the A38 followed the current route; these routings were swapped later, moving these routes to their current routes. A374 was previously used for the road from Donyatt to Colyford; this became part of the A358 as part of a renumbering due to creation of the current A303.
UK road A375.svg A375 Honiton Sidmouth
UK road A376.svg A376 Exeter Exmouth
UK road A377.svg A377 Exeter Barnstaple
UK road A378.svg A378 Langport Taunton A378 was previously used for the road from A379 south of Exeter to the A38 (now A3015) in Pinhoe (became part of rerouted A38 (now the north spur of the A379), and the rest was declassified (became the B3182 shortly after that, now Old Rydon Lane), and the northern section became part of the B3181 (now Clyst Road, Sidmouth Road, and Moor Lane).
UK road A379.svg A379 Kennford Plymouth Formerly ran through St. Marychurch in Torquay passing coach station. Rerouted along Babbacombe Road (original B3199). Concurrent with A3022 between Torquay and Paignton. From 1991 to 1997, the sections of route between Dawlish and Torquay and through Goodrington were downgraded to B3199.
UK road A380.svg A380 Kennford Torbay Bypasses Kingskerswell on new South Devon Highway. Previously continued into Torquay town centre but rerouted along Torbay Ring Road (former A3022) to junction with A385 and A3022.
UK road A381.svg A381 Teignmouth Salcombe
UK road A382.svg A382 Newton Abbot East of Okehampton
UK road A383.svg A383 Newton Abbot Bickington
UK road A384.svg A384 Dartington Buckfastleigh Originally Totnes to near Launceston via Two Bridges (eastern section now part of A385; western section now part of B3157 and B3162)
UK road A385.svg A385A380/A3022 near Paignton South Brent bypassPreviously continued along present A3022 into Paignton town centre. Previously followed what is now Plymouth Rd west of Totnes.
UK road A386.svg A386 Plymouth Appledore
UK road A387.svg A387 Polbathic Polperro
UK road A388.svg A388 Saltash bypass Landcross
UK road A389.svg A389 Padstow Lanivet
UK road A390.svg A390 Tavistock Truro
UK road A391.svg A391 St Austell Lanivet
UK road A392.svg A392 St. Columb Road Newquay A392 was previously used for the road from Truro to northeast of Redruth; this became part of an extended A390 (which was later rerouted north), and the A392 was reused on the current routing as an upgrade of part of the B3279.
UK road A393.svg A393 Redruth Penryn bypass.
UK road A394.svg A394Treliever Cross, Penryn Longrock, Ludgvan
UK road A395.svg A395 Trewassa [n 1] Tregadillett [n 2]
UK road A396.svg A396 Dunster Cowley
UK road A397.svg A397 Portsmouth PortsmouthFormer A3 through Cosham. It was planned to be extended north via Waterlooville to A3(M) J1, but this never happened.

Originally ran from Halberton to Uffculme. Became a spur of the A373 in 1935 and is now declassified due to completion of the nearby M5 and A361. A small part east of M5 J27 is now part of the A38 as a "useless spur", as the A38 mainline was renumbered to B3181.

UK road A398.svg A398UnusedRan between Taunton and South Molton. Became a portion of an extended A361 in the 1935 renumbering; the A361 was later rerouted along its current route from M5 J27, and the section from Taunton to South Molton became the B3227. A short section east of South Molton remains the A361.
UK road A399.svg A399 South Molton bypass Ilfracombe

Four-digit roads (30xx)

RoadFromToNotes
UK road A3000.svg A3000 Turnham Green Chiswick
UK road A3001.svg A3001UnusedRan from Ealing to Brentford. Downgraded to a southern extension of the B455.
UK road A3002.svg A3002 Brentford Hanwell
UK road A3003.svg A3003 Mortlake Barnes
UK road A3004.svg A3004 Isleworth St Margarets
UK road A3005.svg A3005 Southall Hounslow
UK road A3006.svg A3006Henleys Corner, Hounslow Hounslow
UK road A3007.svg A3007 Richmond Richmond
UK road A3008.svg A3008 Hampton Hampton
UK road A3009.svg A3009 Esher Esher
UK road A3010.svg A3010 Basingstoke BasingstokeOriginally ran along Park Street in Guildford between the A31 and A3 (now A3100). Renumbered to a spur of the A31 in July 1934 and is now part of the A3100. The northern portion is part of the Friary gyratory.
UK road A3011.svg A3011 Farnborough A331 Section east of A331 now the B3166. Earlier, the road continued south to east of Ash (this became part of the A321, and is now part of the B3411).
UK road A3012.svg A3012 UnusedRan from the A3011 in North Camp to the A3013 (now A321) in Ash Vale. Downgraded in 1995 to the B3165 due to completion of the A331 through North Camp.
UK road A3013.svg A3013 Farnborough Fleet Previously allocated to a road from Frimley Green to Ash Vale. Became a portion of a rerouted A321 in the 1970s. Now downgraded to the B3411 due to completion of the parallel A331.
UK road A3014.svg A3014 UnusedRan from the A321 (former A3011, now B3411) to the A323 (former A324) in Ash, but was later extended to the A31 in Tongham. Downgraded to the B3206 due to completion of the A331 from the M3 to the A31; the southern extension to the A31 is now unclassified.
UK road A3015.svg A3015 Sowton Exeter Originally ran from the A324 (now B3208) near Ash to the A325 in Aldershot. Became a western extension of the A323 in the 1935 renumbering; the westernmost section is now unclassified.
UK road A3016.svg A3016 Hale Hog Hatch
UK road A3017.svg A3017 UnusedRan from the center of Windsor to the A308 in Windsor Great Park. Probably decommissioned in 1935 when the A332 was rerouted along then-B3022. Downgraded when the A332 Windsor bypass was built, with part of the route becoming the B3022; the section along King's Road was declassified.

Number later used for a road linking Hilsea and Portsmouth. Became the northern carriageway of the A3 after the M275 was built.

UK road A3018.svg A3018 UnusedConnected the then-A332 (now A3095) to the A331 west of Crowthorne. Became a spur of the A3095 in 1935 after the A332 was rerouted; route later downgraded and is now an eastern extension of the B3348.

Route later used for a loop off the eastern side of the A3017 in Portsmouth. Now the southern carriageway of the A3.

UK road A3019.svg A3019 UnusedOriginal link to the Royal Dockyards in Portsmouth; now unclassified.
UK road A3020.svg A3020 Cowes Shanklin Swapped with the A3056 in 1935.
UK road A3021.svg A3021 East Cowes Newport
UK road A3022.svg A3022A380 at Edginswell Brixham Previously ran entire length of Torbay Ring Road but rerouted into Torquay (former A380) and along former A379 between Torquay and Paignton. Concurrent with A379 between Torquay and Paignton. Section past Paignton Zoo formerly part of A385.

An older A3022 existed on the Isle of Wight until 1935 when it became part of an extended A3054. It ran between Newport and Ryde, terminating at the pier.

UK road A3023.svg A3023Near Havant Hayling Island Number is out-of-zone as it was originally the B2149.

Originally ran on the Isle of Wight from Ryde to Sandown. Renumbered as an extension of the A3055 in 1935; the southernmost section is now the B3329.

UK road A3024.svg A3024 Southampton M27 J8Number also appeared in the 1974 AA Touring Guide to England for York Road running along the southern bank of the River Avon in Bristol. This is probably a typo for the A3034 which survived on York Road longer than originally thought. Now part of the A370.
UK road A3025.svg A3025 Southampton Netley
UK road A3026.svg A3026 Ludgershall North Tidworth
UK road A3027.svg A3027 Staplegrove Taunton First used along Queen Street in Salisbury. Decommissioned probably by the 1960s (the number was in use elsewhere), but may have been renumbered as a spur of a nearby route well before then. Now entirely pedestrianized.

Next used in Taunton town center along Upper High Street, connecting the A38 to itself. Because it performed so well in taking traffic out of the center of Taunton, it became a portion of a rerouted A38.

UK road A3028.svg A3028 Durrington A303 via Bulford
UK road A3029.svg A3029 Bedminster Hotwells Originally ran between the A342 to the A345 south of Upavon. Renumbered as a spur of the A345, probably in 1935.
UK road A3030.svg A3030 Sherborne Lydlinch Originally ran along Ashley Road in Branksome, Poole. Renumbered as a spur of the A345 in the 1935 renumbering and is now part of the B3061 after the A345 was cut back.
UK road A3031.svg A3031 Chelsea Embankment Battersea Park First used in Poole from the A35 to the then-A348. Became a portion of a rerouted A35 in 1935 and is now part of an extended A350, although the northernmost part is part of an A35 gyratory.

Next used along a former routing of the A33 in Reading. Downgraded to a B road with the same number.

UK road A3032.svg A3032 Hare Hatch Charvil Originally ran along Cornhill, South Street and Weymouth Avenue in Dorchester, cutting the corner between the then-A35 and A37. Renumbered as a portion of the A354 in 1935; now unclassified and partially pedestrianized.
UK road A3033.svg A3033 Weston-super-Mare Uphill Originally the B3127, it previously terminated on the original A370 Locking Road. Although a bypass for the town centre, most traffic seeking to avoid the town centre uses the unclassified Winterstoke Road.

Originally ran along Southbroom Place (now Southbroom Road) in Devizes, cutting the corner between the A342 and A360 and just missing the A361. Now a portion of the A360, although it may have been a spur before this.

UK road A3034.svg A3034 UnusedRan along York Road between the A36 and A38 in Bristol. Initially thought to have become an eastern extension of the A370 in 1935, a mid-1960s map shows the route as still A3034 and the 1974 AA Touring Guide to England shows the road as A3024 (a typo), meaning the route may have had its number until the 1970s; it is now likely that the change was in 1935, but was later reversed as some large scale OS maps from the 1940s and 1950s show the road as A370.

Number possibly later used along Queen Street in Maidenhead; possibly a typo for the A3064 or it may have been changed later on for some reason.

UK road A3035.svg A3035 Southampton Southampton CommonOriginally ran from Axbridge to Cross. Renumbered as a spur of the A371 in the 1935 renumbering.
UK road A3036.svg A3036 County Hall, London Wandsworth Formerly the A303.

Originally ran from the A358 in South Petherton to the A37 in Ilchester. Between 1927 and 1932 it was extended over the B3090 to the now-gone A344 near Stonehenge. Renumbered to the A303 in 1933; the A3036 number was reused as a renumbering of the original A303. See also: Albert Embankment

UK road A3037.svg A3037 UnusedRan from the A358 (later A303, now unclassified) to the A374 (later A358) in Ilminster. Declassified in 1988 due to completion of the Ilminster bypass and the declassification of the A303.
UK road A3038.svg A3038North Town, Taunton Rowbarton, Taunton Originally linked Ditton Street to High Street in Ilminster. Renumbered as a spur of the A3037 in the 1935 renumbering; now unclassified due to completion of the Ilminster bypass and resultant decommissioning of the A3037.
UK road A3039.svg A3039 Bath BathOriginally ran along the western part of Chard Street and part of Victoria Place in Axminster. Became a spur of the A374 (later A358) and is now part of the A358 itself. May have been the shortest identified A road in the British Isles at just 174 ft (53 m).
UK road A3040.svg A3040 Branksome Wallisdown Originally a loop off the A376 in Budleigh Salterton. Still marked as A3040 on a 1958 OS map, it was likely downgraded at the same time as the A376. Now part of an extended B3178.
UK road A3041.svg A3041UnusedRan from the Devonport seafront to the A386. Decommissioned when the present A38 opened: the southernmost section is unclassified, the route through Stoke is now the B3396 and the section from Milehouse to Hartley is now a rerouted A386.
UK road A3042.svg A3042 UnusedRan from the A389 (later A38, now A374) in Devonport to the A387 (later A388, now A3064) in Keyham. Downgraded in the 1970s after the current A38 opened and is now the B3396.
UK road A3043.svg A3043 UnusedRan from the A3042 (now the B3396) in Devonport to the A3041 (also now the B3396) in Stoke. Renumbered to A3049 for reasons unknown.
UK road A3044.svg A3044 Staines upon Thames Harmondsworth Originally ran from Plymouth Street to Ford Street in Tavistock. Became a portion of the A390 when Ford Street was declassified.
UK road A3045.svg A3045 UnusedLoop off A390 in Lostwithiel. Decommissioned due to completion of the Lostwithiel bypass and is now part of the B3268.

Later reserved around 1970 for "existing parallel length of A329 when passed by the S.E. Reading to N.W. Wokingham relief road", but the number was not used.

UK road A3046.svg A3046 Woking Chobham Originally ran from the A39 and A393 to the A394 northwest of Penryn. May have been renumbered as a spur of the A394 in 1935 (shown as such on a 1957 OS map) but is now part of a rerouted A39, forming a portion of the Penryn bypass.
UK road A3047.svg A3047 Scorrier Camborne Originally ran along Clinton Road in Redruth, paralleling the original A393 (now B3300). Probably renumbered as a spur in 1935, but is now unclassified.
UK road A3048.svg A3048 UnusedRan along St Thomas Road connecting the A388 to the then-A30 on the west side of Launceston Castle and was later extended along the old A30 to the A30 southern bypass when it was built in the 1940s. Now just a spur of the A388.
UK road A3049.svg A3049 Fleetsbridge Boscombe Number first used on a road cutting the corner between the A3 and the A27 near Portsmouth; was the first A3xxx number allocated after the original 1922 classification. Became a spur of the A27 in 1935 and later part of the A27 itself after the Cosham and Havant bypasses were built.

Next used as an unexplained renumbering of the A3043 in Plymouth. Now part of the B3396.

UK road A3050.svg A3050 Weybridge Hampton Court
UK road A3051.svg A3051 Botley Locks Heath
UK road A3052.svg A3052 Charmouth Clyst St Mary Formerly part of the A35.

Originally ran from Salisbury to the A303 north of Cholderton; was the B3085. Became a portion of a rerouted A338 in 1935.

UK road A3053.svg A3053 UnusedRan from Bradford-on-Avon to Melksham in Wiltshire; was the B3104. Downgraded following the completion of the A350 Melksham bypass; the section within the bypass is now part of the A3102 and the remainder is now the B3107.
UK road A3054.svg A3054 Ryde Totland Northern part of Isle of Wight circular A-Class loop. Most of the Newport to Ryde section was the A3022 until 1935.
UK road A3055.svg A3055 Ryde Totland Southern part of Isle of Wight circular A-Class loop
UK road A3056.svg A3056 Newport Sandown Originally ran from Blackwater to Shanklin on the Isle of Wight; was the B3326. Swapped with the A3020 in 1935.
UK road A3057.svg A3057 Southampton Andover
UK road A3058.svg A3058Mellanvrane St Austell
UK road A3059.svg A3059 St Columb Minor St Columb Major
UK road A3060.svg A3060 Red Hill Roundabout, Bournemouth Iford, Dorset, Bournemouth Originally ran from St Austwell to Charlestown. Became an eastern extension of the A3061 in 1935.
UK road A3061.svg A3061 UnusedRan between the A391 to a pier in St Austwell harbor; formerly the A390 and A3060.
UK road A3062.svg A3062 Odd Down Widcombe Originally used in 1926 as an unexplained renumbering of a section of the A287 west of the A32. Returned to the A287 in 1935.
UK road A3063.svg A3063 Heston Hanworth Road, Whitton First used along an old routing of the A3 in Kingston when the A3 number was used for the Kingston bypass instead of the A239. The A239 would have been out of zone, so the A3063 number was used instead. Became the A308 (to the north) and A307 (to the south) by 1932.

Next used as an upgrade of the B3021 from Old Windsor to Datchet. Renumbered as an extension of the A328 in 1935, but has since gotten its old number as it was downgraded back to the B3021.

UK road A3064.svg A3064 Milehouse Weston Mill Originally ran along Queen Street in Maidenhead, cutting the corner between the A308 and A4; not on the 1922 Road Lists, but designated in 1927. Renumbered as a spur of the A308 in the 1935 renumbering, but is now unclassified and completely pedestrianized.
UK road A3065.svg A3065 Staplegrove Bishop's Hull Known as "Silk Mills Road"

Originally ran along the old A4 through Twyford. Renumbered as not one, but two spurs of the A321 in the 1935 renumbering; now the A3032.

UK road A3066.svg A3066 Haselbury Plucknett Bridport
UK road A3067.svg A3067 UnusedRan from the A36 to the A33 with a spur (former B3057) to the A3035, formed a portion of the South Coast Trunk Road (the T37) from 1946. Originally the A35 until it was renumbered to A3067 around 1940 for unknown reasons (probably to remove the multiplex with the A36) and became the A36 again when Tebourba Way was built in 1953.
UK road A3068.svg A3068 UnusedRan from Christchurch to Lymington; was a portion of the B3054. Renumbered as a portion of the A337 in 1935.
UK road A3069.svg A3069UnusedRan from Lymington to Lyndhurst; originally portions of the B3056 and B3057. Renumbered as a portion of the A337 in 1935; the section in Lyndhurst is part of the town's A35 one-way system.
UK road A3070.svg A3070 UnusedFormerly connected the A35 southeast of Axminster with Lyme Regis via Uplyme; now downgraded to the southernmost section of the B3165.
UK road A3071.svg A3071 Penzance St Just in Penwith Originally ran along Stony Lane in Axminster. Although the road was still shown as an unnumbered A road on maps into the 1960s, the number had been reused in Cornwall in 1935 with the original route becoming a spur of the A373 or A358 (former A374). Now downgraded to a portion of the B3261.
UK road A3072.svg A3072 Bickleigh Bude
UK road A3073.svg A3073 Stratton, Cornwall Bude Originally ran from Exeter Inn to Bampton, formerly a section of the A396. Returned to the A396 in the 1935 renumbering, but as a spur; downgraded to a portion of the B3227 after the A361 was downgraded.
UK road A3074.svg A3074 Lelant St Ives
UK road A3075.svg A3075Trevemper, Newquay Chiverton Cross, Blackwater
UK road A3076.svg A3076 Mitchell Gunmows Shop, St Newlyn East
UK road A3077.svg A3077 UnusedRan from the A30 west of Penzance to the A30 at Trereife; formerly the B3314 from Penzance to Newlyn while the link to Trereife was the southern section of the B3316. The Penzance-Newlyn section is now unclassified while the remainder became a portion of the B3315.
UK road A3078.svg A3078 Probus St Mawes Originally used for the Plymouth northern bypass; originally the B3246. Renumbered A374 in 1935 and then became a portion of the A38 in the 1960s when the Tamar Bridge opened. Much of route now the B3413 after the A38 was rerouted, although the two ends are unclassified.
UK road A3079.svg A3079 Okehampton Holsworthy A3079 was previously used for the road from A30 northeast to Ilminster, which became part of the then-new A303 when that route was created
UK road A3080.svg A3080 UnusedRan along Bathwick Street in Bath, forming a shortcut between the A4 and A36. Now a spur of the A4 or A36, depending on direction of travel, although maps and the local council claim it as a spur of the A36.
UK road A3081.svg A3081 UnusedRenumbering of the eastern half of the B3241 in Plymouth. Downgraded to the B3214, probably around the same time the A386 was rerouted.
UK road A3082.svg A3082 St Blazey Fowey
UK road A3083.svg A3083 Helston Lizard
UK road A3084.svg A3084 UnusedFirst used in south Cornwall between Par and Holmbush along the westernmost section of the B3271 (much of which became the A3082 except for this section), but it became a portion of the A3082 anyway in 1935.

Used a second time in 1937 as a temporary number for the northern section of the Exeter Bypass (renumbered from the A378), but it became the A38 in 1938 when it was rerouted (old A38 became the A3085).

Used a final time in 1975 between Redhills and Alphington on the western edge of Exeter. Declassified in the late 1970s when the A30 western bypass was built.

UK road A3085.svg A3085 UnusedOriginal routing of the A38 in Exeter before it was rerouted on top of the A3084. The northern section is now mostly the B3212 and much of the multiplex is now pedestrianized. The section from the River Exe to the northern edge of Alphington is now the A377, the route into Alphington itself is now the B3123 and the remainder unclassified. The southern end is now gone, lost under the A30 bypass.
UK road A3086.svg A3086 UnusedLocation unknown, but since the A3095 was created in 1935 this clearly did exist. This may have been a short-lived road from Andover to Micheldever (upgrade of the B3049; became part of the A303).
UK road A3087.svg A3087 Firepool, TauntonRowbarton, TauntonAlso known as the NIDR (Northern Inner Distributor Road). Previously allocated to a road from the A36 (now Tollgate Road) via Rampart Road to the A30 (now Winchester Street) in Salisbury.
UK road A3088.svg A3088 Yeovil Stoke-sub-Hamdon
UK road A3089.svg A3089 UnusedLocation unknown, but since the A3095 was created in 1935 this clearly did exist. This may have been on the road that became part of the A303 as shown in the A3086 entry above.
UK road A3090.svg A3090 Near Winchester Near Totton Formerly part of the A31. Before this, the A3090 was allocated to the road from the A31 through Winchester to the A33; this became the B3040 and an extension of the B3047, and the A3090 was reused on the current route.
UK road A3091.svg A3091 UnusedRan via Sussex Street and City Road from High Street (then the A272) to Hyde Street (then the A3090) in Winchester. Downgraded in 1995 due to completion of the M3 over Twyford Down; Sussex Street is now the southern end of the B3420 and City Road is the western end of the B3330.
UK road A3092.svg A3092 UnusedRan on Eastgate Street, Union Street, North Walls from The Broadway (then the A31) to Hyde Street (then the A3090) in Winchester as an upgrade of the B3044. Downgraded in 1995 due to completion of the M3 over Twyford Down and is now part of the B3330.
UK road A3093.svg A3093 Andover Andover
UK road A3094.svg A3094 Harnham Quidhampton Forms a southern ring-road around Salisbury
UK road A3095.svg A3095 Sandhurst Bracknell
A3096 - A3097Unused
UK road A3098.svg A3098 Frome Westbury
A3099Unused

Four-digit roads (31xx and higher)

RoadFromToNotes
UK road A3100.svg A3100 Burpham Milford Formerly the A3 before the Guildford and Godalming bypass was built.

Originally allocated to the Guildford Bypass; renumbered to the A3 in 1934 when the remainder of the bypass was completed (the old route of the A3 became the current A3100). Now part of the A25 after a further A3 bypass was built.

A3101Unused
UK road A3102.svg A3102 Swindon Melksham Former A420 and B3102
A3103 - A3109Unused
UK road A3110.svg A3110 Parting Carn, St Mary's Parting CarnCircular road on St Mary's island
UK road A3111.svg A3111 Hugh Town Parting CarnThe most westerly classified road in England
UK road A3112.svg A3112The Parade, Hugh Town, St Mary'sParting Carn/St Mary's Airport The most southerly classified road in the United Kingdom
UK road A3113.svg A3113 M25 J14 Heathrow Airport
A3114 - A3120Unused
UK road A3121.svg A3121 Wrangaton Ermington Formerly B3210. Also uses parts of the former B3196.
UK road A3122.svg A3122 Halwell Dartmouth Formerly part of B3207
UK road A3123.svg A3123 Combe Martin Ilfracombe Formerly part of B3343
UK road A3124.svg A3124Whiddon Down, Drewsteignton Great Torrington Formerly part of B3220 and unclassified roads
UK road A3125.svg A3125 Barnstaple BarnstapleFormerly part of A39
UK road A3126.svg A3126 Tiverton TivertonFormerly part of A396
A3127 - A3199Unused
UK road A3200.svg A3200 London Bridge County Hall Southwark Street/Stamford Street/York Road
UK road A3201.svg A3201 A300 Southwark Bridge Road The Borough Marshalsea Road
UK road A3202.svg A3202 Lambeth North station The Borough
UK road A3203.svg A3203 Lambeth Bridge St George's Circus Lambeth Road
UK road A3204.svg A3204 Elephant & Castle Vauxhall Cross Kennington Lane, part of the London Inner Ring Road
UK road A3205.svg A3205 Vauxhall Battersea In the London Borough of Lambeth: Nine Elms Lane; in the London Borough of Wandsworth: Nine Elms Lane, Battersea Park Road
UK road A3206.svg A3206Ran from A3205 to A3212 in Battersea. Became a portion of the A205 (now A3220).
UK road A3207.svg A3207York Road, Battersea Lavender Hill, Battersea Falcon Road
UK road A3208.svg A3208Ran on Wandsworth Bridge Road in Wandsworth from the A308 to the A3205. Now part of the A217.
UK road A3209.svg A3209 Wandsworth Putney Bridge
UK road A3210.svg A3210 A240 in Surbiton A243 in SurbitonShort link road.

Previously allocated to Wildcroft Road and Portsmouth Road in Putney Heath.

UK road A3211.svg A3211 Westminster Tower of London
UK road A3212.svg 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.
UK road A3213.svg A3213 Pimlico Eaton Square Previously allocated to a road in Pall Mall, London (now the A4). A 1926 MoT map shows the route as part of a rerouted A4, but a later OS 1951 map still shows the route as A3213.
UK road A3214.svg A3214 Buckingham Palace Royal Hospital Chelsea
UK road A3215.svg A3215 A3214 in Buckingham Palace A302 in Buckingham Palace
UK road A3216.svg A3216 Knightsbridge Clapham Common In the City of Westminster: Sloane Street, Sloane Square, Chelsea Bridge Road, Chelsea Bridge; in the London Borough of Wandsworth: Chelsea Bridge, Queenstown Road (including Queen's Circus); in the London Borough of Lambeth: Queenstown Road, Cedars Road
UK road A3217.svg A3217 Victoria Chelsea
UK road A3218.svg A3218 South Kensington Fulham Old Brompton Road, Lillie Road
UK road A3219.svg A3219 Fulham Fulham Dawes Road
UK road A3220.svg A3220 Clapham Common White City
UK road A3221.svg A3221Ran along Fairfield Street between the A3205 and the A3 in Wandsworth. Now part of the A3, although it is labeled as the A217 on some maps.
A3222 - A3258Unused
UK road A3259.svg A3259 Staplegrove Monkton Heathfield Formerly part of the A361.
A3260 - A3279Unused
UK road A3280.svg A3280Listed in the 2005 DfT road list as connecting the A259 and A27 in West Sussex. Possibly a typo for the A280.
A3281 - A3289Unused
UK road A3290.svg A3290 Winnersh Reading Former western section of the A329(M).
A3291 - A3299Unused
UK road A3393.svg A3393UnusedRan from the A36 (now Fishoerton Street) in Salisbury along the Salisbury ring road northeast to the A30 as an upgrade of the B3393. Now part of a rerouted A36.
UK road A3400.svg A3400 Hockley Heath Near Chipping Norton Out-of-zone as it runs in Zone 4, but intentionally chosen as a reminder of the former A34 designation.
UK road A3604.svg A3604 Bath Bath
UK road A3611.svg A3611ReservedReserved for a road in Trowbridge from 2006.
UK road A3807.svg A3807 A38 in Taunton A3027 in Taunton
UK road A3822.svg A3822 A38 in Plymouth A386 in Plymouth Part of the new Forder Valley West link road.
UK road A3860.svg A3860 A386 in Plymouth Tamar Science ParkShown on OS maps from 2019, but is unsigned nor does it appear on internet maps. Initially thought to be a copyright trap or a typo, but Plymouth Council has confirmed that the route does indeed exist.

Notes and references

Notes
  1. northeast of Camelford
  2. west of Launceston
References

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