# List of road junctions in the United Kingdom: B

* 0–A
* B
* C
* D
* E
* F
* G
* H
* I–K
* L
* M
* N
* O
* P
* Q
* R
* S
* T
* U–V
* W
* X–Z
This is part of the list of road junctions in the United Kingdom.
Many road junctions are named after pubs. For more information regarding the derivation of pub names see pub names.

## B

| Junction name | Type | Location | Roads | Grid reference | Notes |
| Babworth Crossroads | Crossroads | Babworth, Nottinghamshire | A620 Babworth Road A620 Straight Mile B6420 Mansfield Road Sutton Lane | 53°19′05″N 0°58′34″W﻿ / ﻿53.31806°N 0.97611°W﻿ / 53.31806; -0.97611 | |
| Baillieston Interchange | Roundabout Interchange | Glasgow | M73 J2 M8 J8 A8 Glasgow and Edinburgh Road A89 Coatbridge Road | 55°51′10″N 4°05′22″W﻿ / ﻿55.85278°N 4.08944°W﻿ / 55.85278; -4.08944 | webcam |
| Baker Street Interchange | Trumpet Interchange | Baker Street, near Orsett, Thurrock (formerly Essex) | A13 A1089 Dock Approach Road | 51°30′9″N 0°21′13″E﻿ / ﻿51.50250°N 0.35361°E﻿ / 51.50250; 0.35361 | A13 trunk road status transferred to the A1089, the route into Tilbury |
| Baker Street Junction | Crossroads | City of Westminster, London | A41 Baker Street A501 Marylebone Road | 51°31′20″N 0°09′27″W﻿ / ﻿51.52222°N 0.15750°W﻿ / 51.52222; -0.15750 | |
| The Baker's Arms | Crossroads | Leyton, LB Waltham Forest | A104 Lea Bridge Road A112 Hoe Street A112 High Road | 51°34′31″N 0°00′47″W﻿ / ﻿51.57528°N 0.01306°W﻿ / 51.57528; -0.01306 | Named after the pub sited on the crossroads. |
| Balcombe Road Junction | Grade Separated Dumbbell Interchange | Crawley, West Sussex | M23 J10a B2036 Balcombe Road | TQ300355 | |
| Baldersby Gate Interchange | Dumbbell Interchange | Baldersby, North Yorkshire | A1(M) Leeming Lane A61 A6055 | SE355763 | |
| Balloon Corner | Crossroads | Welham Green, Hertfordshire | Dellsome Lane Parsonage Lane Huggins Lane | TL229056 | Named after the first stop on Vincenzo Lunardi's 1784 balloon flight from Moorfields to Standon Green End |
| Bancroft Roundabout | Roundabout | Bancroft, Milton Keynes | H3 (A422) Monks Way V6 Grafton Street | 52°03′14″N 0°47′09″W﻿ / ﻿52.05389°N 0.78583°W﻿ / 52.05389; -0.78583 | |
| Bank junction | Crossroads | City of London | Queen Victoria Street Poultry Cornhill Walbrook Lombard Street Princes Street Threadneedle Street Mansion House Street | 51°30′48″N 0°05′21″W﻿ / ﻿51.51333°N 0.08917°W﻿ / 51.51333; -0.08917 | The junction is where many roads converge in the centre of the City of London at the Bank of England |
| Bankfield Roundabout | Roundabout | Central Milton Keynes | Avebury Boulevard Marlborough Gate | 52°02′44″N 0°44′29″W﻿ / ﻿52.04556°N 0.74139°W﻿ / 52.04556; -0.74139 | |
| Bankfield Roundabout | Roundabout | Ayr, South Ayrshire | A77 A713 A713 Dalmellington Road | NS355193 | |
| Bankhead | Roundabout | Glenrothes, Fife | A92 B921 unclass. | NT288994 | |
| Bankhead Interchange | Fork Interchange | Bankhead, Falkirk | M80 J5 M876 | NS805805 | |
| Bardills Island | Roundabout with Inner Slip Road | Stapleford, Nottinghamshire | A52 B6003 Toton Lane Bardills Garden Centre entrance | SK495361 | In the centre of the roundabout, there is an inner slip road that links any traffic from the A52 (Derby) to the B6003 (Toton/Long Eaton), to cut out the congestion of the A52 (Nottingham) junction. |
| Barlborough Links | Roundabout | Barlborough, Derbyshire | A616 Oxcr. Way High Hazels Road Slayley View Road Midland Way | 53°16′57″N 1°17′05″W﻿ / ﻿53.28250°N 1.28472°W﻿ / 53.28250; -1.28472 | |
| Barley Mow Roundabout | Roundabout | Brackley, Northamptonshire | A43 A421 B4031 | 51°59′48″N 1°09′39″W﻿ / ﻿51.99667°N 1.16083°W﻿ / 51.99667; -1.16083 | |
| Barnes Meadow Interchange | Roundabout with flyover | Northampton, Northamptonshire | A45 Nene Valley Way A428 Bedford Road A5095 Rushmere Road | SP772597 | Named on road signage |
| Barnetby Top | Roundabout Interchange | Barnetby le Wold, Lincolnshire | M180 J5 A15 A18 unclass. | TA051111 | |
| Barnhill Junction | Grade Separated Interchange of non standard design | Perth, Perth and Kinross | M90 J11 A85 Dundee Road A90 | NO133221 | The M90 spur to the Craigend Interchange was formerly designated M85 |
| Barnsdale Bar | | Barnsdale, South Yorkshire | A1 Great North Road A639 Doncaster Road Wrangbrook Lane Woodfield Road | 53°37′02″N 1°13′48″W﻿ / ﻿53.61722°N 1.23000°W﻿ / 53.61722; -1.23000 | |
| Barnstaple Cross | Staggered | West Sandford, Crediton, Devon | A377 unclass. Higher Road unclass., to Raddon Down Cross | 50°47′57″N 3°41′57″W﻿ / ﻿50.7993°N 3.6992°W﻿ / 50.7993; -3.6992﻿ (Barnstaple Cross) | Named on the road signs at both junctions |
| Barton Turn | | Barton-under-Needwood, Staffordshire | A38 Lichfield Road B5016 Station Road | 52°45′42″N 1°42′08″W﻿ / ﻿52.76167°N 1.70222°W﻿ / 52.76167; -1.70222 | |
| Bassett's Pole | | Sutton Coldfield, West Midlands | A38 A453 A446 | 52°35′27″N 1°47′02″W﻿ / ﻿52.59083°N 1.78389°W﻿ / 52.59083; -1.78389 | |
| Bath Bridge Roundabout | | Bristol | A4 Temple Gate A4 Bath Road A370 Clarence Road A370 York Road Cattle Market Road | 51°26′50″N 2°34′55″W﻿ / ﻿51.44722°N 2.58194°W﻿ / 51.44722; -2.58194 | |
| Batts Bridge Roundabout | Roundabout | Maresfield, East Sussex | A22 A272 Batts Bridge Road | TQ549238 | |
| Baynards Green Roundabout | | Baynards Green, Oxfordshire | A43 B4100 (formerly A41) | 51°57′30″N 1°12′13″W﻿ / ﻿51.95833°N 1.20361°W﻿ / 51.95833; -1.20361 | |
| Beacon Cross | Crossroads | St Ewe, Cornwall | unclass. unclass. paths | SW985458 | |
| Beacon Road Roundabout | | Heathrow, LB Hillingdon | Southern Perimeter Road Beacon Road | 51°27′24″N 0°27′17″W﻿ / ﻿51.45667°N 0.45472°W﻿ / 51.45667; -0.45472 | |
| Beacon Roundabout | Roundabout | Bletchley, Milton Keynes | Watling Street unclass. | 52°00′07″N 0°43′27″W﻿ / ﻿52.00194°N 0.72417°W﻿ / 52.00194; -0.72417 | |
| Bean Interchange | Roundabout Interchange | Bean, Kent | A2 Dartford Bypass B255 Bean Lane | 51°25′52″N 0°16′51″E﻿ / ﻿51.43111°N 0.28083°E﻿ / 51.43111; 0.28083 | |
| Beare Green Roundabout | Roundabout | Beare Green, Surrey | A24 A29 Bognor Road Horsham Road Newdigate Road | TQ177428 | |
| Bearwood aka King's Head | Crossroads | Birmingham | A456 Hagley Road A4030 Bearwood Road A4040 Lordswood Road | SP022860 | Junction located just south of Bearwood district |
| Beaverbrook Roundabout | | Leatherhead, Surrey | A24 By-Pass Road B2033 Reigate Road | 51°17′12″N 0°18′42″W﻿ / ﻿51.28667°N 0.31167°W﻿ / 51.28667; -0.31167 | Named for Max Aitken, 1st Baron Beaverbrook who lived nearby at Cherkley Court |
| Beckton Alps | Roundabout Interchange | Beckton, LB Newham | A13 Newham Way A117 | TQ429821 | |
| Bedford Park Corner | Crossroads | Bedford Park, London | B491 The Avenue B491 Turnham Green Terrace B409 Bath Road B409 South Parade | TQ212789 | |
| Beddingham Roundabout | Roundabout | Beddingham, East Sussex | A27/A26 Ranscombe Hill A27 Eastbourne Road A26 Newhaven Road | TQ 44593 08052 | Named on the road signs |
| Bedminster Bridge | | Bristol | A38 A370 Clarence Road A370 York Road A370 Coronation Road Commercial Road | 51°26′45″N 2°35′30″W﻿ / ﻿51.44583°N 2.59167°W﻿ / 51.44583; -2.59167 | A roundabout incorporating the Old and New Bedminster Bridges over the New Cut of the River Avon - Chris McKenna |
| Beech Hill Cross | T junction | Morchard Bishop, Mid Devon | unclass. roads to: Morchard Bishop Three Hammers Black Dog and Witheridge | 50°51′50″N 3°44′08″W﻿ / ﻿50.8639°N 3.7355°W﻿ / 50.8639; -3.7355﻿ (Beech Hill Cross) | Named on fingerpost at junction |
| Beech Lanes Cross aka Warley Odeon | Crossroads | Birmingham | A456 Hagley Road A4123 Wolverhampton Road | SP011853 | Warley Odeon was the name of the cinema (later a bingo hall) that stood at the site, where the office block now is. |
| Beechwood Cross | Crossroads | Sparkwell, Devon | Ledgate Lane unclass. | SX577574 | |
| Beer Door | Crossroads | Beer, Somerset | A372 Beer Wall Beer Drove | ST401313 | |
| Beggar's Hill | | Ewell, Surrey | A240 Kingston Road A240 Ewell Bypass Park Avenue West Kingston Road | 51°21′29″N 0°15′0″W﻿ / ﻿51.35806°N 0.25000°W﻿ / 51.35806; -0.25000 | |
| Belfry Roundabout | Roundabout | Redhill, Surrey | A23 Brighton Road A25 High Street A23 Marketfield Way | TQ279503 | Named on road signage |
| Belgrave Square | | City of Westminster | B310 B319 | 51°29′57″N 0°09′13″W﻿ / ﻿51.49917°N 0.15361°W﻿ / 51.49917; -0.15361 | |
| The Bell | Crossroads | Walthamstow, LB Waltham Forest | A503 Forest Road A112 Hoe Street A112 Chingford Road | 51°35′25″N 0°01′03″W﻿ / ﻿51.59028°N 0.01750°W﻿ / 51.59028; -0.01750 | Named after the pub on the junction |
| The Bell Roundabout | Grade Separated Dumbbell Interchange | London Colney, Hertfordshire | M25 J22 A1081 London Colney By-pass (formerly A6) B556 Bell Lane Coursers Road Barnet Road | 51°43′03″N 0°16′42″W﻿ / ﻿51.71750°N 0.27833°W﻿ / 51.71750; -0.27833 | |
| Bellfield Interchange | | Kilmarnock, East Ayrshire | A77 A71 Riccarton Road A735 Queens Drive A76 | 55°35′50″N 4°28′34″W﻿ / ﻿55.59722°N 4.47611°W﻿ / 55.59722; -4.47611 | |
| Bellman's Cross | Crossroads | Henstridge, Somerset | A30 Blazeland's Hill Park Lane unclass. | ST732207 | |
| Belvedere Roundabout | | Central Milton Keynes | H5 (A509) Portway V8 (B4034) Marlborough Street | 52°02′57″N 0°45′05″W﻿ / ﻿52.04917°N 0.75139°W﻿ / 52.04917; -0.75139 | |
| Berkeley Roundabout | Roundabout | Scunthorpe, Lincolnshire | A18 Doncaster Road Scotter Road A18 Kingsway Doncaster Road | SE872122 | |
| Berwick Roundabout | Roundabout | Berwick, East Sussex | A27 Lewes Road Station Road Alfriston Road | TQ 52408 05228 | |
| Berrygrove | Roundabout Interchange | Watford, Hertfordshire | M1 J5 A41 Otterspool Road A4008 Stephenson Way | 51°40′17″N 0°22′11″W﻿ / ﻿51.67139°N 0.36972°W﻿ / 51.67139; -0.36972 | |
| Bewbush Manor Roundabout | | Crawley, West Sussex | A264 A2220 | 51°05′52″N 0°13′42″W﻿ / ﻿51.09778°N 0.22833°W﻿ / 51.09778; -0.22833 | |
| Bignell's Corner aka South Mimms | Roundabout Interchange | South Mimms, Hertfordshire | M25 J23 A1(M) J1 A1 A1081 (formerly A6) | 51°41′12″N 0°13′47″W﻿ / ﻿51.68667°N 0.22972°W﻿ / 51.68667; -0.22972 | Also known as South Mimms, because of the service area on the junction. |
| Bilston Road Island | | Wolverhampton, West Midlands | A4150 Ring Road Bilston Street A41 Bilston Road A454 Middle Cross | 52°35′01″N 2°07′17″W﻿ / ﻿52.58361°N 2.12139°W﻿ / 52.58361; -2.12139 | Midland Metro light railway runs through centre of island using signal controlled level crossings. |
| Birchanger Green Roundabout | Roundabout Interchange with inner slip road | Birchanger, Essex | M11 J8 A120 Bishop's Stortford Bypass A120 Thremhall Avenue Dunmow Road (formerly A120) | TL515215 | Named after nearby village of Birchanger Green |
| Birchley Island | Roundabout | Oldbury, West Midlands | A4123 Wolverhampton Road A4034 Birchfield Lane A4034 Churchbridge Spur to M5 J2 | SO986884 | |
| Birchy Cross | Crossroads | Wood End, Stratford-on-Avon, Warwickshire | B4101 Broad Lane Tom Hill Tithe Lane | SP119719 | |
| Black Cat roundabout | Roundabout | Bedfordshire | A1 Great North Road A421 Bedford Road (formerly A421) | 52°11′06″N 0°18′19″W﻿ / ﻿52.18500°N 0.30528°W﻿ / 52.18500; -0.30528 | |
| Black Cross | Crossroads | near Indian Queens, Cornwall | Parka Road (formerly A39) unclass. | SW910607 | |
| Black Down Roundabout | Roundabout | Maresfield, East Sussex | A22 A26 | TQ468230 | |
| Black Horse | Crossroads | LB Richmond Upon Thames | A305 Sheen Road B353 Manor Road B353 Queens Road | 51°27′42″N 0°17′18″W﻿ / ﻿51.46167°N 0.28833°W﻿ / 51.46167; -0.28833 | |
| The Black Prince Interchange | | Bexley, LB Bexley | A2 East Rochester Road A220 Gravel Hill A223 Bourne Road | 51°26′51″N 0°09′17″E﻿ / ﻿51.44750°N 0.15472°E﻿ / 51.44750; 0.15472 | |
| Blackbrook Roundabout | | Taunton, Somerset | M5 J25 A358 | 51°01′04″N 3°03′43″W﻿ / ﻿51.01778°N 3.06194°W﻿ / 51.01778; -3.06194 | |
| Blackhorse Road | Crossroads | Walthamstow, LB Waltham Forest | A503 Forest Road A1006 Blackhorse Road B179 Blackhorse Lane | 51°35′14″N 0°02′25″W﻿ / ﻿51.58722°N 0.04028°W﻿ / 51.58722; -0.04028 | |
| Blacklands Cross | Crossroads | Sparkwell, Devon | unclass. unclass. | SX582580 | |
| Blacow Bridge | | Bamber Bridge, Lancashire | M6 J30 M61 | 53°44′11″N 2°38′56″W﻿ / ﻿53.73639°N 2.64889°W﻿ / 53.73639; -2.64889 | |
| Blakelands | | Blakelands, Milton Keynes | H3 (A422) Monks Way V10 Brickhill Street | 52°04′01″N 0°44′19″W﻿ / ﻿52.06694°N 0.73861°W﻿ / 52.06694; -0.73861 | |
| Bleak Hill Roundabout | | Bleak Hill, Milton Keynes | H6 (A421) Standing Way V6 Grafton Street | 52°01′01″N 0°44′41″W﻿ / ﻿52.01694°N 0.74472°W﻿ / 52.01694; -0.74472 | |
| Bletcham Roundabout | | Fenny Lock, Milton Keynes | A5 (N/B) H10 Bletcham Way | 52°00′27″N 0°42′48″W﻿ / ﻿52.00750°N 0.71333°W﻿ / 52.00750; -0.71333 | See Caldecott Roundabout |
| Blind Lane Interchange | | Chester-le-Street, County Durham | A1(M) J63 A167 Picktree Lane A183 Blind Lane A183 Chester Road Picktree Lane | 54°51′59″N 1°33′53″W﻿ / ﻿54.86639°N 1.56472°W﻿ / 54.86639; -1.56472 | |
| Blochairn Interchange | | Glasgow | M8 J14 unclass. | 55°52′02″N 4°12′57″W﻿ / ﻿55.86722°N 4.21583°W﻿ / 55.86722; -4.21583 | |
| Blue Star Roundabout | Roundabout | Angmering, West Sussex | Station Road A259 Roundstone By-Pass B2140 Station Road A259 New Road | TQ065031 | |
| Blyth Roundabout | Grade Separated Dumbbell Interchange | Blyth, Nottinghamshire | A1 A614 Bawtry Road B6045 Bawtry Road | SK624883 | |
| Blyth Bridge Roundabout | Roundabout | Blyth Bridge, Staffordshire | A50 A521 | SJ964405 | |
| Bockhampton Cross | Crossroads | Stinsford, Dorset | Bockhampton Lane Hollow Hill Islington Road | SY722914 | |
| The Body Shop Roundabout | Roundabout | Littlehampton, West Sussex | Norway Lane A259 B2187 Worthing Road B2187 Horsham Road A259 Worthing Road | TQ037033 | Named after The Body Shop Headquarters, located adjacent to the Roundabout. |
| Bognor Road Roundabout | Roundabout | Chichester, West Sussex | A27 Chichester Bypass Bognor Road A27 Chichester Bypass A259 Bognor Road Vinnetrow Road | SU 87788 04143 | |
| Bohemia Corner | Crossroads | Rookley, Isle of Wight | A3020 Main Road Chequers Inn Road Merstone Lane | SZ519835 | |
| Bokenna Cross | Crossroads | Dobwalls, Cornwall | unclass. unclass. | SX212662 | |
| Bolney Crossways | Grade Separated Dumbbell Interchange | Bolney, West Sussex | A23 A272 | TQ267224 | |
| The Boot and Shoe | | Micklefield, West Yorkshire | A1 A63 Selby Road | 53°46′42″N 1°18′36″W﻿ / ﻿53.77833°N 1.31000°W﻿ / 53.77833; -1.31000 | |
| Boshill Cross | | Colyford, Devon | A358 A3052 B3172 | 50°43′44″N 3°02′42″W﻿ / ﻿50.729°N 3.045°W﻿ / 50.729; -3.045﻿ (Boshill Cross) | |
| Boship Roundabout | | Hailsham, East Sussex | A22 A267 New North Street A271 Horsebridge | TQ571111 | |
| Boskenna Cross | Crossroads | Boskenna, Cornwall | B3315 Rectory Road | SW426243 | |
| Bosley Crossroads | | Bosley, Cheshire | A54 roadA54 A523 | 53°11′50″N 2°07′51″W﻿ / ﻿53.19722°N 2.13083°W﻿ / 53.19722; -2.13083 | |
| Botley Interchange | | Botley, Oxfordshire | A34 A420 | 51°45′22″N 1°17′48″W﻿ / ﻿51.75611°N 1.29667°W﻿ / 51.75611; -1.29667 | |
| Bottle Dump Roundabout | Roundabout | Tattenhoe Park, Milton Keynes | H8 (A421) Standing Way unclass. | 51°59′12″N 0°48′14″W﻿ / ﻿51.98667°N 0.80389°W﻿ / 51.98667; -0.80389 | Named after the recycling centre at the roundabout |
| Bow Interchange | Roundabout Interchange | Bow, LB Tower Hamlets | A12 East Cross Route (formerly A102) A11 Mile End Road A118 High Street (Stratford) (former A11) | 51°31′47″N 0°00′50″W﻿ / ﻿51.52972°N 0.01389°W﻿ / 51.52972; -0.01389 | |
| Bowburn Interchange | | Bowburn, County Durham | A1(M) J61 A688 A177 Durham Road B6291 | 54°43′49″N 1°31′12″W﻿ / ﻿54.73028°N 1.52000°W﻿ / 54.73028; -1.52000 | |
| Bowd Corner | | Newton Poppleford, Devon | A3052 Four Elms Hill unclass. | 50°41′55″N 3°16′29″W﻿ / ﻿50.6987°N 3.2747°W﻿ / 50.6987; -3.2747﻿ (Bowd Corner) | |
| Bowd Cross | | Bowd, Sidmouth, Devon | A3052 B3176 to Sidmouth unclass. to Tipton St John (was B3176) | 50°42′09″N 3°15′55″W﻿ / ﻿50.7024°N 3.2654°W﻿ / 50.7024; -3.2654﻿ (Bowd Cross) | |
| The Bowl Roundabout | | Knowlhill, Milton Keynes | H7 Chaffron Way V4 Watling Street | 52°01′09″N 0°46′05″W﻿ / ﻿52.01917°N 0.76806°W﻿ / 52.01917; -0.76806 | Named after the National Bowl at Milton Keynes |
| Bowshaw Roundabout | | Greenhill, South Yorkshire | A61 Chesterfield Road South A61 Unstone Dronfield By-pass B6057 Jordanthorpe Parkway B6057 Sheffield Road | 53°19′01″N 1°28′32″W﻿ / ﻿53.31694°N 1.47556°W﻿ / 53.31694; -1.47556 | |
| Bowtrees Roundabout | | Airth, Falkirk | M876 J3 A876 South Approach Road A905 | NS905859 | |
| Box's Corner | T junction | Chawleigh, Mid Devon | B3042 unclass., dead end | 50°53′27″N 3°49′27″W﻿ / ﻿50.8909°N 3.8243°W﻿ / 50.8909; -3.8243﻿ (Box's Corner) | |
| Boxgrove Roundabout aka Tangmere Roundabout | Roundabout | Tangmere, Boxgrove, West Sussex | A27 Arundel Road The Street, (Boxgrove) A27 Arundel Road Meadow Way, (Tangmere) | SU 90751 06988 | |
| Boxgrove Roundabout | Roundabout | Guildford, Surrey | A25 Boxgrove Road A25 Parkway A3100 London Road | TQ010510 | |
| Bradbury Interchange | | Bradbury, County Durham | A1(M) J60 A689 | 54°39′07″N 1°30′44″W﻿ / ﻿54.65194°N 1.51222°W﻿ / 54.65194; -1.51222 | |
| Bradville Roundabout | | Bradville, Milton Keynes | H2 Millers Way V6 Grafton Street | 52°03′31″N 0°47′21″W﻿ / ﻿52.05861°N 0.78917°W﻿ / 52.05861; -0.78917 | |
| Brambling Fields | Non standard grade separated design | Malton, North Yorkshire | A64 B1248 Scarborough Road | SE819726 | |
| Braehead | Fork Interchange | Renfrew | M8 J25a unclass. | NS523662 | webcam |
| Bramham Crossroads | | Bramham, West Yorkshire | A1(M) J45 A64 unclass. (formerly A1) | 53°51′22″N 1°20′42″W﻿ / ﻿53.85611°N 1.34500°W﻿ / 53.85611; -1.34500 | |
| Bramley Roundabout | | Bramley, South Yorkshire | M18 J1 A631 Bawtry Road | 53°25′25″N 1°15′04″W﻿ / ﻿53.42361°N 1.25111°W﻿ / 53.42361; -1.25111 | |
| Brampton Hut | Roundabout Interchange | Brampton, Huntingdonshire | A1 A14 | 52°19′57″N 0°14′53″W﻿ / ﻿52.33250°N 0.24806°W﻿ / 52.33250; -0.24806 | |
| Brandis Corner | T junction | Bradford, Devon | A3072 unclass., to Bradford and Cookbury | 50°48′47″N 4°15′26″W﻿ / ﻿50.8131°N 4.2573°W﻿ / 50.8131; -4.2573﻿ (Brandis Corner) | Named on road sign at junction |
| Brandise Corner | T junction | Colebrooke, Devon | unclass. roads to Copplestone N Crediton E Yeoford W | 50°46′52″N 3°43′06″W﻿ / ﻿50.7812°N 3.7184°W﻿ / 50.7812; -3.7184﻿ (Brandise Corner) | Named on fingerpost |
| Branscombe Cross | Staggered | Salcombe Regis, Devon | A3052 unclass. Beachtree Lane unclass., to Branscombe | 50°42′40″N 3°10′19″W﻿ / ﻿50.711°N 3.172°W﻿ / 50.711; -3.172﻿ (Branscombe Cross) | Named on road signs at both junctions |
| Branston Interchange aka Burton South | | Branston, Staffordshire | A38 A5121 | 52°47′21″N 1°40′31″W﻿ / ﻿52.78917°N 1.67528°W﻿ / 52.78917; -1.67528 | |
| Braunstone Crossroads | | Braunstone, Leicestershire | A47 B5380 Braunstone Lane | 52°37′37″N 1°12′04″W﻿ / ﻿52.62694°N 1.20111°W﻿ / 52.62694; -1.20111 | |
| Breakspears | Trumpet | Hemel Hempstead, Hertfordshire | M1 J8 A414 (formerly A4147) | 51°45′23″N 0°25′0″W﻿ / ﻿51.75639°N 0.41667°W﻿ / 51.75639; -0.41667 | |
| Breezehurst Roundabout | | Crawley, West Sussex | A2220 Horsham Road Breezehurst Drive Pelham Drive | 51°06′02″N 0°12′51″W﻿ / ﻿51.10056°N 0.21417°W﻿ / 51.10056; -0.21417 | |
| Brenley Corner | Roundabout Interchange | Faversham, Kent | M2 J7 A2 A299 Brenley Lane Homestall Lane | 51°18′08″N 0°55′37″E﻿ / ﻿51.30222°N 0.92694°E﻿ / 51.30222; 0.92694 | |
| Brent Cross Interchange | Roundabout Interchange | Brent Cross, LB Barnet | A41 Hendon Way A406 North Circular Road | 51°34′36″N 0°13′07″W﻿ / ﻿51.57667°N 0.21861°W﻿ / 51.57667; -0.21861 | |
| Brent Knoll / East Brent Roundabout | | Brent Knoll, Somerset | A38 Bristol Road A370 Bridgwater Road | 51°15′27″N 2°56′0″W﻿ / ﻿51.25750°N 2.93333°W﻿ / 51.25750; -2.93333 | Named after the nearby Fort and Hill |
| Brettargh Holt | Roundabout Interchange | Kendal, Cumbria | A590 A591 unclassified lane | SD504870 | |
| Bricklayers Arms | Roundabout Interchange with flyover | Southwark, LB Southwark | A2 Great Dover Street A2 Old Kent Road A201 New Kent Road A100 Tower Bridge Road | 51°29′40″N 0°05′09″W﻿ / ﻿51.49444°N 0.08583°W﻿ / 51.49444; -0.08583 | Named after a former coaching inn on the site. |
| Bridge Road Roundabout | Roundabout | Littlehampton, West Sussex | A259 Bridge Road Unclassified access road A259 Broad Piece B2187 Bridge Road | TQ 01654 02596 | |
| Bridge of Earn | Diamond Interchange | Bridge of Earn, Perthshire | M90 J9 A912 | NO137176 | |
| Bridgewood Roundabout | Roundabout Interchange | Chatham, Kent | A229 Maidstone Road B2097 Rochester Road Walderslade Woods | TQ746633 | |
| Briggate Lodge Roundabout | Roundabout | Brigg, Lincolnshire | A18 Broughton Lane A18 spur to M180 J4 Ermine Street | SE957067 | |
| Brinklow Roundabout | | Brinklow, Milton Keynes | H8 (A421) Standing Way V11 (A4146) Tongwell Street | 52°02′03″N 0°41′31″W﻿ / ﻿52.03417°N 0.69194°W﻿ / 52.03417; -0.69194 | |
| Britannia Junction | Crossroads | Camden Town, LB Camden | A400 A502 A503 A4200 A4201 | 51°32′21″N 0°08′34″W﻿ / ﻿51.53917°N 0.14278°W﻿ / 51.53917; -0.14278 | |
| Broadfield Roundabout | | Crawley, West Sussex | A2220 Horsham Road Bewbush Drive | 51°06′12″N 0°12′27″W﻿ / ﻿51.10333°N 0.20750°W﻿ / 51.10333; -0.20750 | Gives access to Broadfield neighbourhood |
| Broadway Roundabout | | Bournemouth, Dorset | A3060 Castle Lane West B3063 Charmister Road Broadway Lane | 50°45′16″N 1°51′27″W﻿ / ﻿50.7544°N 1.8576°W﻿ / 50.7544; -1.8576 | |
| Broad Street Junction | | Wolverhampton, West Midlands | A4150 Ring Road Broad Street A4124 Broad Street | 52°35′18″N 2°07′22″W﻿ / ﻿52.58833°N 2.12278°W﻿ / 52.58833; -2.12278 | |
| Brockeridge Common | | Twyning, Gloucestershire | M50 J1 A38 | 52°02′07″N 2°09′51″W﻿ / ﻿52.03528°N 2.16417°W﻿ / 52.03528; -2.16417 | |
| Bromley Corner | Crossroads | Lawford, Essex | A137 Wignall Street (formerly A12) Bromley Road | TM093310 | |
| Brook Street Interchange | Roundabout Interchange | Brentwood, Essex | M25 J28 A12 Colchester Road A1023 Brook Street (former A12) | 51°36′31″N 0°15′45″E﻿ / ﻿51.60861°N 0.26250°E﻿ / 51.60861; 0.26250 | |
| Broughton Interchange | Grade Separated Fork | Preston, Lancashire | M6 J32 M55 | SD541348 | |
| Broughton Roundabout | Roundabout Interchange | Preston, Lancashire | M55 J1 A6 Garstang Road | SD529341 | |
| Browns Corner | | Winscombe, North Somerset | A371 Woodborough Road Sandford Road Hillyfields Way | 51°18′53″N 2°49′59″W﻿ / ﻿51.31472°N 2.83306°W﻿ / 51.31472; -2.83306 | |
| Brown's Corner | | Wyddial, Hertfordshire | unclass. bridleway | TL369312 | |
| Brown's Green | Crossroads | Hockley Heath, West Midlands | B4101 Broad Lane B4101 Pound House Lane Umberslade Road | SP132718 | |
| Browns Wood Roundabout aka Browns Park | | Browns Wood, Milton Keynes | H10 (A4146) Bletcham Way V11 (A4146) Tongwell Street | 52°01′07″N 0°41′04″W﻿ / ﻿52.01861°N 0.68444°W﻿ / 52.01861; -0.68444 | |
| Broxden Junction | Roundabout | Perth, Scotland | M90 A9 A93 | NO083228 | |
| Brunel Roundabout | | Bletchley, Milton Keynes | V7 (B4034) Saxon Street B4034 Buckingham Road Duncombe Street | 51°59′39″N 0°44′05″W﻿ / ﻿51.99417°N 0.73472°W﻿ / 51.99417; -0.73472 | |
| Buck Barn Crossroads | | Horsham, West Sussex | A24 Worthing Road A272 Cowfold Road | 50°59′30″N 0°20′24″W﻿ / ﻿50.99167°N 0.34000°W﻿ / 50.99167; -0.34000 | |
| Budletts Roundabout | Roundabout | Maresfield, East Sussex | A26 A272 London Road | TQ470235 | |
| Bullington Cross | | Bullington, Hampshire | A303 A34 | 51°10′37″N 1°20′21″W﻿ / ﻿51.17694°N 1.33917°W﻿ / 51.17694; -1.33917 | |
| Bulls Bridge Roundabout | Roundabout | Cranford, LB Hounslow | A312 The Parkway A437 North Hyde Road Hayes Road | 51°29′53″N 0°24′33″W﻿ / ﻿51.49806°N 0.40917°W﻿ / 51.49806; -0.40917 | |
| Burford Bridge Roundabout | Roundabout | Westhumble, Surrey | A24 London Road A24 Mickleham Bypass B2209 Old London Road | TQ171519 | |
| Burgh Heath | Crossroads | Burgh Heath, Surrey | A240 Reigate Road A217 Brighton Road | TQ242578 | |
| Burntcommon | Southbound on-slip only | Buntcommon, Surrey | A3 Ripley By-pass A247 Clandon Road Tithebarns Lane | TQ040544 | |
| Burnt Mill Corner | Crossroads | Gilston, Hertfordshire | Eastwick Road (formerly A414) Burntmill Lane | 51°47′08″N 0°05′46″E﻿ / ﻿51.78556°N 0.09611°E﻿ / 51.78556; 0.09611 | |
| Burnt Tree Junction | | Dudley, West Midlands | A461 A4123 New Burmingham Road A4033 Tividale Road | 52°30′49″N 2°03′47″W﻿ / ﻿52.51361°N 2.06306°W﻿ / 52.51361; -2.06306 | Formerly all the roads met at a large roundabout. The A4033 now meets the A4123 at a separate part of the junction. |
| Burpham Interchange | Northbound on-slip only | Burpham, Surrey | A3 A3100 Clay Lane | TQ013527 | |
| Burridge Moor Cross | T junction | Chawleigh, Mid Devon | B3042 unclass., to Cheldon | 50°53′26″N 3°47′00″W﻿ / ﻿50.8905°N 3.7833°W﻿ / 50.8905; -3.7833﻿ (Burridge Moor Cross) | Named on fingerpost |
| Burtree Interchange | | Darlington, County Durham | A1(M) J58 A68 | 54°33′24″N 1°35′37″W﻿ / ﻿54.55667°N 1.59361°W﻿ / 54.55667; -1.59361 | |
| Bury Court | | Gloucestershire | M50 J2 A417 | 51°59′46″N 2°21′35″W﻿ / ﻿51.99611°N 2.35972°W﻿ / 51.99611; -2.35972 | |
| Bury Hill Roundabout see Whiteways Lodge Roundabout ||||||
| Busch Corner | | LB Hounslow | A310 Twickenham Road A315 London Road B454 Spur Road | 51°28′42″N 0°19′24″W﻿ / ﻿51.47833°N 0.32333°W﻿ / 51.47833; -0.32333 | |
| The Bustard | Crossroads | Salisbury Plain, Wiltshire | unclass. | SU092461 | Named after the inn at the junction, itself named after the great bustard, a bird which was once common on Salisbury Plain. |
| Butler's Cross | Crossroads | Babingley, Norfolk | A149 Lynn Road B1439 unclass. | TF676264 | |
| Butney Corner | Crossroads | near Kehelland, Cornwall | unclass. unclass. | SW614425 | |
| Butterley Junction | | Butterley, Ripley, Derbyshire | B6179 Butterley Row (Butterley Hill) B6179 Derby Road Butterley Lane | | Situated between the Butterley Reservoir and Ironworks |
| Buttington Cross | Roundabout | Welshpool | A485 A483 Rhallt Lane | SJ242089 | |
| Bylane End | Crossroads | near Trethew, Cornwall | B3251 B3252 unclass. | SX276598 | |
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