Junction Name Type Location Roads Grid Reference Notes Magic Roundabout aka The Plough Roundabout Roundabout Hemel Hempstead 51°44′46″N 00°28′23″W / 51.74611°N 0.47306°W / 51.74611; -0.47306 The Magic Roundabout Roundabout Cheddar , Somerset 51°17′15″N 2°47′25″W / 51.28750°N 2.79028°W / 51.28750; -2.79028 The Magic Roundabout Magic Roundabout Swindon 51°33′46″N 1°46′18″W / 51.56278°N 1.77167°W / 51.56278; -1.77167 Malden Junction New Malden , Royal Borough of Kingston 51°23′40″N 0°15′14″W / 51.39444°N 0.25389°W / 51.39444; -0.25389 Manadon Junction Roundabout Interchange Plymouth unclass. St Peters Road, N A386 Tavistock Road, NE A38 The Parkway, E / W B3250 Mannamead Road, S A386 Outland Road, SW 50°24′02″N 4°08′09″W / 50.4006°N 4.1357°W / 50.4006; -4.1357 (Manadon Junction ) Mandale Interchange Middlesbrough , North Yorkshire 54°32′56″N 1°16′28″W / 54.54889°N 1.27444°W / 54.54889; -1.27444 Manor Circus North Sheen , LB Richmond A316 Lower Mortlake Road A316 Lower Richmond Road B353 Manor Road B353 Sandycombe Road 51°28′04″N 0°17′19″W / 51.46778°N 0.28861°W / 51.46778; -0.28861 Manor House Finsbury Park , LB Haringey 51°34′13″N 0°05′46″W / 51.57028°N 0.09611°W / 51.57028; -0.09611 Manor Top Intake , South Yorkshire 53°21′39″N 1°25′41″W / 53.36083°N 1.42806°W / 53.36083; -1.42806 Manorway Junction Stanford-le-Hope , Thurrock (formerly Essex ) TQ680829 NB. Not officially signed, also known as Stanford Interchange Manrahead Roundabout Beith , North Ayrshire NS343530 Marble Arch City of Westminster 51°30′47″N 0°09′36″W / 51.51306°N 0.16000°W / 51.51306; -0.16000 Article on the Marble Arch the junction was named after. Marcham Interchange Marcham, Oxfordshire 51°40′09″N 1°18′39″W / 51.66917°N 1.31083°W / 51.66917; -1.31083 Mar Dyke Interchange Roundabout Interchange near Aveley and West Thurrock , Thurrock (formerly Essex ) M25 J30 A13 A282 A1306 Arterial Road (J31, former A13 ) A1090 Stonehouse Lane (J31) Ship Lane (J31) Thurrock Services (J31) 51°29′50″N 0°16′8″E / 51.49722°N 0.26889°E / 51.49722; 0.26889 Name probably only refers to J30 of the M25, the junction with the A13, but feeder roads link to J31. Exit to J31 clockwise must be made via J30, and access from J31 anticlockwise also must be made via J30. However, J30 has its own south-facing slips. A282 now starts immediately after the diverge at J30 clockwise. Marfleet Roundabout Marfleet, Kingston upon Hull , East Riding of Yorkshire A1033 (Hedon Road) Marfleet Lane 53°44′53″N 0°16′31″W / 53.74806°N 0.27528°W / 53.74806; -0.27528 Marina Roundabout Eaglestone, Milton Keynes 52°01′32″N 0°43′56″W / 52.02556°N 0.73222°W / 52.02556; -0.73222 Market Cross Cheddar , Somerset A371 Church Street A371 Bath Street B3135 Union Street 51°16′31″N 2°46′36″W / 51.27528°N 2.77667°W / 51.27528; -2.77667 Markham Moor Roundabout West Markham , Nottinghamshire SK719737 Marks Farm Roundabout Braintree , Essex 51°52′53″N 0°35′07″E / 51.88139°N 0.58528°E / 51.88139; 0.58528 Marks Tey Roundabout Dumbbell Marks Tey , Essex A12 A120 Coggeshall Road B1408 London Road Station Road TL915237 Marlborough Stantonbury, Milton Keynes 52°04′0″N 0°46′34″W / 52.06667°N 0.77611°W / 52.06667; -0.77611 Marr Marr , South Yorkshire 53°32′29″N 1°13′32″W / 53.54139°N 1.22556°W / 53.54139; -1.22556 Marton Circle Great Marton, Lancashire SD352335 Marus Bridge Roundabout Wigan , Greater Manchester A49 Warrington Road B5238 Poolstock Lane Highfield Grange Avenue SD567031 Marylebone Circus Marylebone , London 51°31′20″N 0°09′27″W / 51.52214°N 0.15749°W / 51.52214; -0.15749 Maryville Interchange Glasgow 55°49′53″N 4°05′56″W / 55.83139°N 4.09889°W / 55.83139; -4.09889 webcam Masbrough Roundabout Rotherham , South Yorkshire A630 Masbrough Street Main Street 53°25′48″N 1°21′53″W / 53.43000°N 1.36472°W / 53.43000; -1.36472 Mason's Corner Crossroads Winchmore Hill , LB Enfield 51°38′11″N 0°05′26″W / 51.63639°N 0.09056°W / 51.63639; -0.09056 Master Brewer Hillingdon , LB Hillingdon 51°33′14″N 0°26′53″W / 51.55389°N 0.44806°W / 51.55389; -0.44806 Matford Roundabout Exeter 50°41′28″N 3°30′24″W / 50.6912°N 3.5067°W / 50.6912; -3.5067 (Matford Roundabout ) Mawgan Cross Roundabout Mawgan, near Helston , Cornwall 50°04′28″N 5°12′54″W / 50.0744°N 5.2150°W / 50.0744; -5.2150 (Mawgan Cross ) Mayford Roundabout Woking , Surrey A320 Egley Road B380 Guildford Road B380 Smart's Heath Road SU996561 Mclaren Paragon Roundabout Ottershaw , Surrey A320 Chertsey Road A320 Guildford Road Martyr's Lane TQ017615 Mead Cross Ashburton , Devon SX779712 Meadowhead Norton , South Yorkshire A61 Meadowhead A61 Chesterfield Road South A6102 Bochum Parkway B6054 Greenhill Parkway 53°19′36″N 1°28′25″W / 53.32667°N 1.47361°W / 53.32667; -1.47361 The Meadows Sandhurst , Berkshire SU855599 Medbourne Roundabout Medbourne, Milton Keynes 52°01′18″N 0°48′12″W / 52.02167°N 0.80333°W / 52.02167; -0.80333 Melbury Oak Melbury Osmond , Dorset 50°52′13″N 2°35′48″W / 50.87028°N 2.59667°W / 50.87028; -2.59667 Mellanvrane Roundabout Treninnick, Newquay , Cornwall A392 Gannel Link Road A392 Trevemper Road A3058 Trevemper Road Mellanvrane Lane SW815607 Merrymeet Roundabout Whiddon Down , Devon SX697928 Merstham Interchange Four Level Stack Merstham , Surrey 51°15′49″N 0°07′34″W / 51.26361°N 0.12611°W / 51.26361; -0.12611 Met Office Roundabout Roundabout Bracknell A3095 Warfield Road, NNE B3022 Park Road, NE A329 London Road, SE A3095 Church Road, SSW unclass. Weather Way, W A329 Millennium Way, NW 51°25′02″N 0°44′41″W / 51.4171°N 0.7446°W / 51.4171; -0.7446 (Met Office Roundabout ) Once the site of the Met Office The Metal Bridge Todhills , Cumbria 54°58′25″N 3°00′30″W / 54.97361°N 3.00833°W / 54.97361; -3.00833 Named after the Metal Bridge pub, itself named after the metal bridge over the River Esk Miami Roundabout Roundabout Chelmsford , Essex A1114 London Road (formerly A12 ) A1114 Princes Road (formerly A12 ) B1007 Wood Street B1007 Moulsham Street 51°43′19″N 0°27′38″E / 51.72194°N 0.46056°E / 51.72194; 0.46056 Named after the Miami Hotel which is adjacent to the roundabout. Mickleham Bends Junction Mickleham , Surrey TQ170537 Midsummer Roundabout Central Milton Keynes 52°02′10″N 0°46′14″W / 52.03611°N 0.77056°W / 52.03611; -0.77056 Milehouse Roundabout Cross Heath , Staffordshire 53°1′19.26″N 2°13′49.28″W / 53.0220167°N 2.2303556°W / 53.0220167; -2.2303556 Milestone Green Mortlake , LB Richmond upon Thames A205 Upper Richmond Road West B351 Sheen Lane 51°27′53″N 0°16′01″W / 51.46472°N 0.26694°W / 51.46472; -0.26694 Milk Bottle Paignton, Devon A3022 Torquay Road Cecil Road Mill Hill Circus Roundabout Mill Hill , LB Barnet 51°37′00″N 0°14′41″W / 51.61667°N 0.24472°W / 51.61667; -0.24472 Milton Interchange Roundabout Interchange Milton , Cambridgeshire 52°14′16″N 0°09′02″E / 52.23778°N 0.15056°E / 52.23778; 0.15056 Milton Interchange Milton , Oxfordshire 51°37′07″N 1°18′11″W / 51.61861°N 1.30306°W / 51.61861; -1.30306 Minimax Corner Feltham , LB Hounslow A312 Fagg's Road A312 Harlington Road West A315 Staines Road 51°27′26″N 0°24′37″W / 51.45722°N 0.41028°W / 51.45722; -0.41028 Named after Minimax Limited , a former maker of fire extinguishers that had a factory here. Mitchams Corner Cambridge , Cambridgeshire A1134 Victoria Road (Cambridge Ring Road) A1134 Milton Road (Cambridge Ring Road) A1303 Chesterton Road Victoria Avenue Springfield Road Corona Road Riverside Court 52°12′51″N 0°7′29″E / 52.21417°N 0.12472°E / 52.21417; 0.12472 western side of gyratory formed by the old Croft Holme Lane Moby Dick Crossroads LB Barking and Dagenham 51°34′51″N 0°08′29″E / 51.58083°N 0.14139°E / 51.58083; 0.14139 Named after public house adjacent to junction. Moira Toll Gate Moira , Leicestershire B5003 Shortheath Road B5003 Ashby Road B586 Measham Road 52°44′12″N 1°32′05″W / 52.73667°N 1.53472°W / 52.73667; -1.53472 Moles Interchange Dual Dumbbell Roundabout Interchange Ware , Hertfordshire 51°49′40″N 0°02′02″W / 51.82778°N 0.03389°W / 51.82778; -0.03389 Junction location is just south of Moles Wood Mollinsburn Junction [1] Fork Interchange Glasgow 55°55′05″N 4°03′59″W / 55.91806°N 4.06639°W / 55.91806; -4.06639 Monks Cross Callington, Cornwall 50°31′23″N 4°16′52″W / 50.5230°N 4.2812°W / 50.5230; -4.2812 (Monks Cross ) Monks Heath Crossroads Monks Heath, Cheshire A34 Congleton Road A537 Chelford Road 53°15′50″N 2°14′04″W / 53.26389°N 2.23444°W / 53.26389; -2.23444 Monkspath Interchange Monkspath , West Midlands SP146758 Monkston Roundabout Monkston, Milton Keynes 52°02′26″N 0°41′37″W / 52.04056°N 0.69361°W / 52.04056; -0.69361 Monktonhead Roundabout Monkton , Ayrshire NS356287 The Monument The City of London 51°30′39″N 0°05′12″W / 51.51083°N 0.08667°W / 51.51083; -0.08667 Named after the Monument to the Great Fire of London at the junction. Moor Junction Longford , LB Hillingdon A4 Colnbrook Bypass A3044 Stanwell Moor Road Speedbird Way 51°29′01″N 0°29′34″W / 51.48361°N 0.49278°W / 51.48361; -0.49278 Moor Cross Cornwood , Devon SX609588 Morants Court Cross Sevenoaks , Kent 51°18′15″N 0°09′09″E / 51.30417°N 0.15250°E / 51.30417; 0.15250 Mount Corner Hanworth , LB Hounslow A312 Uxbridge Road A312 Hampton Road West A314 Hounslow Road 51°26′26″N 0°23′21″W / 51.44056°N 0.38917°W / 51.44056; -0.38917 Mount Farm Roundabout Mount Farm, Milton Keynes 52°00′43″N 0°43′13″W / 52.01194°N 0.72028°W / 52.01194; -0.72028 Mount Wise Roundabout Mount Wise, Newquay , Cornwall A392 Gannel Link Road B3282 Mount Wise B3282 Higher Tower Road Pentire Road SW804614 Mounthooly Roundabout Aberdeen A96 West North Street A944 Hutcheon Street B990 Nelson Terrace NJ940070 Movers Lane Barking , LB Barking and Dagenham A13 Alfreds Way Movers Lane River Road 51°31′50″N 0°05′32″E / 51.53056°N 0.09222°E / 51.53056; 0.09222 Muckley Corner Lichfield A5 Watling Street A461 Walsall Road Hall Lane 52°39′22″N 1°52′54″W / 52.65611°N 1.88167°W / 52.65611; -1.88167 Mullacott Cross Roundabout West Down , Devon 51°10′46″N 4°07′52″W / 51.1794°N 4.1312°W / 51.1794; -4.1312 (Mullacott Cross ) Mumps Roundabout Oldham , Greater Manchester 53°32′35″N 2°06′05″W / 53.54306°N 2.10139°W / 53.54306; -2.10139 Mushroom Roundabout Rotherham , South Yorkshire 53°26′32″N 1°19′19″W / 53.44222°N 1.32194°W / 53.44222; -1.32194 Musley Bank Malton , North Yorkshire SE769706 
