Junction Name Type Location Roads Grid Reference Notes Oakfield Corner Amersham , Buckinghamshire A416 Chesham Road B4441 Sycamore Road Hill Avenue 51°40′37″N 0°36′27″W / 51.67694°N 0.60750°W / 51.67694; -0.60750 Oakgrove Roundabout Monkston, Milton Keynes 52°02′15″N 0°42′33″W / 52.03750°N 0.70917°W / 52.03750; -0.70917 Oakhill Roundabout Oakhill, Milton Keynes 52°01′09″N 0°48′33″W / 52.01917°N 0.80917°W / 52.01917; -0.80917 Ober Corner Ober Heath, New Forest 50°49′51″N 1°35′50″W / 50.83083°N 1.59722°W / 50.83083; -1.59722 Ockham Junction Ockham , Surrey A3 Ripley By-pass B2215 Portsmouth road (formerly A3 ) B2039 Ockham Road 54°06′31″N 0°27′17″W / 54.10861°N 0.45472°W / 54.10861; -0.45472 Octon Crossroads North Yorkshire B1249 Scarborough Road B1253 High Street 54°06′31″N 0°27′17″W / 54.10861°N 0.45472°W / 54.10861; -0.45472 Odsal Top Bradford , West Yorkshire SE158306 Offington Corner Roundabout Worthing , West Sussex A27 Crockhurst Hill A24 Findon Road A27 /A24 Warren Road A2031 Offington Lane Goodwood Road TQ 13255 05598 Offley Cross Crossroads Hitchin , Hertfordshire A505 Carters Lane (aka Wibbly Wobbley Lane) 51°56′30″N 0°18′23″W / 51.94167°N 0.30639°W / 51.94167; -0.30639 Old Craighall Musselburgh , Scotland A1 A720 City of Edinburgh Bypass B6415 Old Craighall Road NT338707 Old Cross Crossroads Hertford , Hertfordshire B158 Cowbridge B158 The Wash St Andrews Street TL325127 Old Ford Diamond Interchange Old Ford , London A12 East Cross Route (formerly A102(M) ) B142 Wick Lane 51°32′02″N 0°01′20″W / 51.53389°N 0.02222°W / 51.53389; -0.02222 Site of the historic ford along the Roman road from London to Essex (now mostly consisting of the A118 and then A12 ) Old Inns Interchange Cumbernauld , North Lanarkshire NS770766 Old Malton Roundabout Malton , North Yorkshire SE801734 The Old Pond Roundabout Cheshunt , Hertfordshire B176 Turner's Hill (formerly A10 ) B198 College Road (formerly A121 ) 51°42′07″N 0°02′05″W / 51.70194°N 0.03472°W / 51.70194; -0.03472 Old Street Roundabout The City, London 51°31′34″N 0°05′16″W / 51.52611°N 0.08778°W / 51.52611; -0.08778 Old Wolverton Roundabout Wolverton, Milton Keynes 52°03′42″N 0°49′46″W / 52.06167°N 0.82944°W / 52.06167; -0.82944 The Oldbury Interchange West Midlands 52°29′33″N 2°01′07″W / 52.49250°N 2.01861°W / 52.49250; -2.01861 The supermarket access road is off the adjacent island which passes under the M5. Ollerton Roundabout Ollerton , Nottinghamshire A614 Blyth Road A614 Old Rufford Road A616 Worksop Road A616 Ollerton Road A6075 Mansfield Road Newark Road 53°12′04″N 1°01′38″W / 53.20111°N 1.02722°W / 53.20111; -1.02722 The Organ Crossroads Ewell , Surrey A24 Ewell Bypass A240 London Road B2200 London Road 51°21′15″N 0°14′46″W / 51.35417°N 0.24611°W / 51.35417; -0.24611 Orrell Interchange Orrell , Wigan 53°32′03″N 2°41′54″W / 53.53417°N 2.69833°W / 53.53417; -2.69833 Orsett Cock Roundabout Interchange Orsett , Thurrock (formerly in Essex ) A13 A128 Brentwood Road A1013 Stanford Road (former A13) Brentwood Road (southern end, former A128) TQ654812 Named after the pub at the site of the former crossroads. Ossie Garvin Roundabout Roundabout Interchange Hayes , LB Hillingdon 51°30′58″N 0°24′05″W / 51.51611°N 0.40139°W / 51.51611; -0.40139 Named after a local councillor who originally proposed the Hayes By-Pass, and died shortly before it was completed in 1992. Ottershaw Roundabout Ottershaw , Surrey A319 Chobham Road A320 Guildford Road B3121 Murray Road TQ022639 The Oval, Kennington Kennington , London A3 Kennington Park Road A202 Camberwell New Road A23 Brixton Road TQ312776 Oxley Park Roundabout Westcroft, Milton Keynes 52°00′38″N 0°47′54″W / 52.01056°N 0.79833°W / 52.01056; -0.79833 Oxford Circus London 51°30′55″N 0°08′31″W / 51.51528°N 0.14194°W / 51.51528; -0.14194 
