Junction Name Type Location Roads Grid Reference Notes Abbey Hill Interchange Roundabout Interchange Wymbush, Milton Keynes 52°02′51″N 0°48′16″W / 52.04750°N 0.80444°W / 52.04750; -0.80444 (Abbey Hill Interchange ) Addlestonemoor Roundabout Roundabout Chertsey , Surrey TQ050657 Admiralty [ 1] Roundabout Interchange Rosyth , Scotland 56°02′37″N 3°24′17″W / 56.04361°N 3.40472°W / 56.04361; -3.40472 (Admiralty roundabout interchange ) Ainley Top Roundabout Huddersfield , West Yorkshire A629 Blackley New Road A629 Halifax Road A629 Huddersfield Road A643 Brighouse Road A643 Lindley Moor Road 53°40′11″N 1°49′34″W / 53.66972°N 1.82611°W / 53.66972; -1.82611 (Ainley Top ) The Air Balloon Roundabout [ 2] Roundabout Birdlip , Gloucestershire 51°50′37″N 2°05′44″W / 51.84361°N 2.09556°W / 51.84361; -2.09556 (Air Balloon Roundabout ) Named after the pub at the junction Airman's Corner Crossroads Wiltshire 51°11′09″N 1°51′38″W / 51.18583°N 1.86056°W / 51.18583; -1.86056 (Airman's corner ) Airport Roundabout Roundabout Weston-super-Mare , North Somerset A370 Somerset Avenue A370 Flowerdown Bridge A371 Locking Moor Road Moor Lane 51°20′41″N 2°55′55″W / 51.34472°N 2.93194°W / 51.34472; -2.93194 (Airport Roundabout, Weston-super-Mare ) Named after the airport which once existed nearby. The Helicopter Museum occupies part of the site with the rest being redeveloped for housing. Alconbury Interchange Grade Separated Fork Alconbury , Huntingdonshire 52°22′46″N 0°15′19″W / 52.37944°N 0.25528°W / 52.37944; -0.25528 (Alconbury Interchange ) Alderney Roundabout Roundabout Alderney, Dorset 50.751090, -1.936086 Named after the Alderney suburb Aldgate Gyratory Whitechapel , LB Tower Hamlets 51°30′52″N 0°04′26″W / 51.51444°N 0.07389°W / 51.51444; -0.07389 (Aldgate ) Aller Bridge Staggered Coldridge, Devon B3220 50°50′43″N 3°50′25″W / 50.8453°N 3.8402°W / 50.8453; -3.8402 ("Aller Bridge" ) Aller Cross Crossroads Cullompton , Devon 50°51′04″N 3°20′47″W / 50.8510°N 3.3465°W / 50.8510; -3.3465 ("Aller Cross, Cullompton" ) Named on fingerpost Aller Cross aka Aller Down Cross T junction Sandford, Devon Sandpit Lane 50°49′41″N 3°40′02″W / 50.8280°N 3.6672°W / 50.8280; -3.6672 ("Aller Cross, Sandford" ) Both names on fingerpost Allhallows Cross T junction Blackborough, Devon 50°53′00″N 3°17′14″W / 50.8834°N 3.2871°W / 50.8834; -3.2871 ("Allhallows Cross" ) Named on fingerpost Almondsbury Interchange [ 3] Four Level Stack Almondsbury , South Gloucestershire 51°33′09″N 2°33′08″W / 51.55250°N 2.55222°W / 51.55250; -2.55222 (Almondsbury Interchange ) Alston Cross Crossroads Ashburton , Devon SX776714 Amen Corner T junction Tooting , LB Wandsworth A217 Mitcham Road B241 Rectory Lane Southcroft Road 51°25′23″N 0°09′38″W / 51.42306°N 0.16056°W / 51.42306; -0.16056 Amwell Roundabout Roundabout Great Amwell , Hertfordshire A414 Stanstead Abbotts Bypass Road A414 Link Road A1170 (formerly A10 ) Ware Road A1170 (formerly A10 ) Pepper Hill B1502 (formerly A414 ) Hertford Road B181 (formerly A414 ) Station Road 51°47′12″N 0°00′54″W / 51.78667°N 0.01500°W / 51.78667; -0.01500 (Amwell Roundabout ) Located at Great Amwell Amy Tree Crossroads St Mellion Parish, Cornwall SX364669 also the name of the nearby Down Anchor Corner Crossroads Holton, Somerset , Somerset Anchor Hill (formerly A303 ) A357 Lawrence Hill ST697273 The Angel, Edmonton Diamond Interchange Edmonton , LB Enfield 51°36′53″N 0°03′52″W / 51.61472°N 0.06444°W / 51.61472; -0.06444 (The Angel, Edmonton ) Angel [ 4] Crossroads Islington , LB Islington A1 Upper Street A1 Goswell Road A401 St John Street A501 Pentonville Road 51°31′55″N 0°06′22″W / 51.53194°N 0.10611°W / 51.53194; -0.10611 (The Angel, Islington ) Named after the Inn on the Great North Road sited at the junction Anniesland Cross Crossroads Anniesland , Glasgow A82 Great Western Road A739 Crow Road A739 Bearsden Road Anniesland Road NS546688 Animal Reception Centre Roundabout Roundabout Bedfont , LB Hounslow Bedfont Road Stanwell Road Beacon Road 51°27′19″N 0°27′17″W / 51.45528°N 0.45472°W / 51.45528; -0.45472 (Animal Reception Centre Roundabout ) Named after the Animal Reception Centre nearby, adjacent to Heathrow Airport. Apex Corner [ 5] Roundabout Mill Hill , LB Barnet 51°37′17″N 0°15′19″W / 51.62139°N 0.25528°W / 51.62139; -0.25528 (Apex Corner ) Apleyhead Roundabout Grade Separated Dumbbell Roundabout Babworth , Nottinghamshire A1 Worksop Road A1 Blyth Road A57 A614 Blyth Road B6420 Mansfield Road SK646782 A conversion from a roundabout to a grade separated dumbbell arrangement opened on 20 May 2008. [ 7] The B6420 was routed north at this time to Apleyhead. Apple Tree Roundabout Roundabout Yiewsley , LB Hillingdon A408 Falling Lane A408 West Drayton Road Apple Tree Avenue Chestnut Avenue 51°31′04″N 0°27′43″W / 51.51778°N 0.46194°W / 51.51778; -0.46194 (Apple Tree Roundabout ) Archway Gyratory Upper Holloway , LB Islington TQ294868 Arkleston Interchange Grade Separated Dumbbell Roundabout Glasgow 55°51′40″N 4°24′34″W / 55.86111°N 4.40944°W / 55.86111; -4.40944 (Arkleston Interchange ) Armley Gyratory Gyratory Leeds , West Yorkshire A58 Wellington Road A58 Gelderd Road A647 Canal Street B6154 Wellington Road 53°47′36″N 1°34′07″W / 53.79333°N 1.56861°W / 53.79333; -1.56861 (Armley Gyratory ) Army and Navy Roundabout Interchange with flyover Chelmsford , Essex 51°43′38″N 0°28′54″E / 51.72722°N 0.48167°E / 51.72722; 0.48167 (Army and Navy ) Named after the pub which stood at the junction until 2007 Arnold Circus Roundabout Shoreditch , LB Tower Hamlets B122 Calvert Avenue B122 Club Row Camlet Street 51°31′34″N 0°04′29″W / 51.52611°N 0.07472°W / 51.52611; -0.07472 (Arnold Circus ) Ash Cross Crossroads Bradninch , Devon 50°50′06″N 3°25′20″W / 50.8350°N 3.4222°W / 50.8350; -3.4222 ("Ash Cross, Bradninch" ) Ash Cross Crossroads Stoodleigh , Mid Devon Wormsworthy Hill 50°57′50″N 3°33′00″W / 50.9639°N 3.5500°W / 50.9639; -3.5500 ("Ash Cross, Stoodleigh" ) Named on fingerpost Ashcombe Roundabout Roundabout Lewes , East Sussex A27 A277 Brighton Road Ashcombe Hollow TQ 42585 09188 Ashland Roundabout Roundabout Ashland, Milton Keynes 52°00′57″N 0°43′56″W / 52.01583°N 0.73222°W / 52.01583; -0.73222 (Ashland Roundabout ) Ashford Hospital Crossroads Crossroads Ashford , Surrey A30 London Road B378 Town Lane B378 Stanwell Road TQ061726 Atco Crossroads [ 8] Crossroads Eckington , Derbyshire SK434797 Named after an erstwhile branch of the mower company Auchenkilns Roundabout Grade Separated Dumbbell Roundabout Cumbernauld , North Lanarkshire NS742740 Upgraded in 2005 from an at grade roundabout to a grade separated dumbbell interchange [ 9] Avebury Roundabout Roundabout Central Milton Keynes 52°02′04″N 0°46′06″W / 52.03444°N 0.76833°W / 52.03444; -0.76833 (Avebury Roundabout, Milton Keynes ) Awkley Interchange Grade Separated Fork Awkley , South Gloucestershire 51°34′16″N 2°34′47″W / 51.57111°N 2.57972°W / 51.57111; -2.57972 (Awkley Interchange ) Aycliffe Interchange Roundabout Interchange Aycliffe , Co. Durham 54°35′02″N 1°33′40″W / 54.58389°N 1.56111°W / 54.58389; -1.56111 (Aycliffe Interchange )