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Junction Name Type Location Roads Grid Reference Notes Sacombe Pound Junction Crossroads Ware, Hertfordshire A602 Sacombe Pound Saddle Junction Wigan, Greater Manchester B5386 Warrington Road A577 Wallgate A577 Ormskirk Road A571 Victoria Street Robin Park Road Frith Street Sadlers Hall Farm Magic Roundabout North Benfleet, Essex A13 A130 B1464 London Road (formerly A13) A 'magic roundabout' next to Sadlers Hall Farm (aka Sadlers Farm) Salford Circus Roundabout Aston, West Midlands A38 Tyburn Road (formerly A4097) A5127 Gravelly Hill (formerly A38) A5127 Lichfield Road (formerly A38) Slade Road The old junction beneath the motorway intersection called the Gravelly Hill Interchange Saltend Roundabout Roundabout with Flyover Kingston upon Hull, East Yorkshire A1033 Hull Road Salt End Lane Paull Road Salmon's Corner Coggeshall, Essex A120 Coggeshall Road Salmon's Lane Sander's Corner Crews Hill, LB Enfield Cattlegate Road Theobalds Park Road Sandyford Roundabout Prestwick, South Ayrshire A77 B742 Sandyford Road Sandy Gate Exeter, Devon M5 J30 A376 Sidmouth Road A379 (Exeter bypass) Sidmouth Road The A379 follows the route of the original A38 Exeter Southern Bypass. Sandy Roundabout Sandy, Bedfordshire A1 High Road A1 London Road A603 Bedford Road B1042 Bedford Road School Road Junction Ashford, Surrey, Surrey A308 Staines Road B378 School Road Ashford Road Scilly Isles Esher, Surrey A307 Portsmouth Road A309 Kingston Bypass A309 Hampton Court Way Scotch Corner Roundabout Interchange Middleton Tyas,North Yorkshire A1(M) Great North Road A66 A6055 Barracks Bank Middleton Tyas Lane Scotch House Knightsbridge, London A4 Knightsbridge A4 Brompton Road A315 Knightsbridge A3216 Sloane Street Scotts Green Island Dudley, West Midlands A461 Duncan Edwards Way A461 Stourbridge Road A4101 Stourbridge Road A4101 Kingswinford Road Scotts Green Close Duncan Edwards Way is named after the local football player killed in the Munich air crash. Scratchwood LB Barnet M1 J3 Planned junction, never built. Partially built roundabout used to access Scratchwood services. Seacroft Windmill Seacroft, Leeds A64 York Road A6120 Seacroft York Road Seaton Burn Seaton Burn, North Tyneside A1 A19 Seaward Street Glasgow M8 J21 M74 J1 Seaward Street Segensworth Roundabout Segensworth, Hampshire A27 M27 J9 Link Road A27 Southampton Road Segensworth Road Little Park Farm Road Barnes Wallis Road Selby Fork Ledham, West Yorkshire A1 Great North Road A63 Main Street Holy Rood Lane Seven Hills Interchange Ipswich, Suffolk A14 J58 A12 A1156 unclass. Seven Sisters South Tottenham, LB Haringey A10 High Road A503 Seven Sisters Road Seven Stars Corner Ravenscourt Park, LB Hammersmith and Fulham A402 Goldhawk Road B408 Askew Road Shannon Corner New Malden, Royal Borough of Kingston A3 Malden Road B282 Burlington Road Shenley Roundabout Shenley, Milton Keynes H6 Childs Way V3 Fulmer Street Shepherd and Flock Roundabout Farnham, Surrey A31 Farnham By-pass A31 Guildford Road A325 Guildford Road A325 Water Lane Moor Park Lane Sheriffhall Sheriffhall, Edinburgh, Lothian A720 Edinburgh City Bypass A7 Old Dalkeith Road A7 Millerhill Road A68 Old Dalkeith Road Shifnal aka Priorslee Telford M54 J4 A464 Priorslee Road A464 Elizabeth Avenue A4640 Castle Farm Way Shire Oak Junction Shire Oak, West Midlands A461 Lichfield Road A452 Chester Road Shoby Crossroads Near Shoby, Leicestershire A6006 B676 Six Hills Lane Six Hills Lane (unclassified) Silbury Roundabout Central Milton Keynes V6 Grafton Gate Silbury Boulevard Silent Pool Junction Albury, Surrey A25 Shere Road A248 Albury Road The Silent Pool is an adjacent beauty spot. Simister Island Simister, Greater Manchester M60 J18 M62 J18 M66 J4 The M66 originally continued south along the present M60. Simpson Roundabout Simpson, Milton Keynes H9 Groveway V8 Marlborough Street Six Ashes Bridgnorth, Shropshire A458 Six Ashes Road Toscano at Six Ashes restaurant is adjacent Six Bells Farnham, Surrey A325 Hale Road B3007 Hale Road A325 B3007 Weybourne Road Six Crossroads Woking, Surrey A245 Shores Road A245 Woodham Lane A320 Chertsey Road Monument Road Woodham Road Six Hills Six Hills, Leicestershire A46 B676 Six Hills Lane Six Hills Way Roundabout Roundabout Stevenage, Hertfordshire A1070 Six Hills Way A602 Lytton Way (formerly A1) B197 London Road (formerly A1) Named after the six burial mounds next to the site. Six Roads End Burton upon Trent, Staffordshire A515 B5017 Holly Bush Road Forest Road Wood Lane Also known as Six Lane Ends Six Ways Roundabout Erdington, West Midlands A4040 Reservoir Road A4040 Wood End Road A5127 Gravelly Hill North (formerly A38) A5127 Summer Road (formerly A38) B4139, High Street (original A38) Wood End Lane Skeldon Roundabout Campbell Park, Milton Keynes Silbury Boulevard Skeldon Gate Skellow Cross Crossroads Skellow, South Yorkshire Unclassified crossroads Skippingdale Roundabout Scunthorpe, Lincolnshire A1077 Phoenix Parkway Luneburg Way Holyroad Drive Skirsgill Penrith, Cumbria M6 J40 A66 A592 Ullswater Road Sloane Square Belgravia & Chelsea, London A3216 Sloane Street A3217 Kings Road Snell's Corner Horndean, Hampshire A3 London Road Drift Road Snow Hill Junction Wolverhampton A4150 Ring Road A4123 Birmingham Road A459 Dudley Road Snow Hill Church Lane Local road signs but not maps indicate Dudley Road to be part of the A4123 gyratory system. Sorley Cross Sorley, south of Loddiswell, Devon A381 B3196 unclass. South Elder Roundabout Central Milton Keynes Avebury Boulevard South Enmore Roundabout Campbell Park, Milton Keynes H6 Childs Way Enmore Gate Kenwood Gate South Grafton Roundabout Central Milton Keynes H6 Childs Way V6 Grafton Gate South Overgate Roundabout Central Milton Keynes H6 Childs Way V9 Overgate South Saxon Roundabout Central Milton Keynes H6 Childs Way V7 Saxon Gate V7 Saxon Street South Secklow Roundabout Central Milton Keynes H6 Childs Way Secklow Gate Pentewan Gate South Witan Roundabout Central Milton Keynes H6 Childs Way Witan Gate Evans Gate Southay Cross Yarcombe, Devon A30 Southay Lane Shell's Lane Southcott Cross T junction Chawleigh, Devon unclass. roads to Chawleigh N Chenson S Southcott / Hilltown W Named on fingerpost Southerham Roundabout Roundabout with bypass lane, (A27 Eastbound) Lewes, East Sussex A27 A26 Southerham Road A27/A26 Ranscombe Hill Southfields Roundabout Roundabout Horton, Somerset A303 A358 B3168 Station Road Southgate Circus Southgate, LB Enfield A1004 High Street A111 Chase Side A111 The Bourne Chase Road Southgate Crossroads Barlborough, Derbyshire A618 Rotherham Lane A619 Chesterfield Road Spaghetti Junction see Gravelly Hill Interchange Speculation Inn Junction Hundleton, Pembrokeshire B4320 Goldborough Road Spittals Interchange Huntingdon, Huntingdonshire A14 (formerly A604) A141 Spittals Way Springfield Roundabout Springfield, Milton Keynes H6 Childs Way V8 (B4034) Marlborough Street St. Ann's Cross Hackforth, North Yorkshire A1 Dere Street Tickergate Lane Bowbridge Lane St. Dunstan's Cheam, LB Sutton A217 St Dunstan's Hill A217 Belmont Rise A232 High Street A232 Cheam Road St. George's Circus Southwark, London A201 A3202 A3203 Lambeth Road St. George's College Addlestone, Surrey A317 Woburn Hill A317 Weybridge Road B3121 Station Road St. George's Interchange Weston-super-Mare, North Somerset M5 J21 A370 Somerset Avenue St. Giles' Circus London A40 Oxford Street A40 New Oxford Street A400 Charing Cross Road A400 Tottenham Court Road St. James Interchange East Fork Interchange Glasgow M8 J28a A737 St. James Interchange West Roundabout Interchange Glasgow M8 J29 A737 A726 Barnsford Road St. Margaret's Roundabout St. Margaret's, LB Richmond A316 Chertsey Road A316 The Avenue A3004 St. Margarets Road St Marks RoundaboutRoundaboutWorle, North Somerset Madam Lane St Marks Road QueenswayFormerly St Mark's Roundabout (2020) St. Mary Redcliffe Bristol A4 Redcliff Way A38 Redcliff Hill Redcliff Street Named after St Mary Redcliffe Church on the junction. St. Owen's Cross Ross-on-Wye, Herefordshire A4137 B4521 Stacey Bushes Roundabout Stacey Bushes, Milton Keynes H3 (A422) Monks Way Alston Drive Stafford Cross Staggered Colyton, Devon A3052 unclass., to Colyton unclass. Named on approaching road sign Stafford North Roundabout Interchange Stafford, Staffordshire M6 J14 A34 Beaconside A5013 Eccleshall Road A5013 Creswell Green Stafford South Stafford, Staffordshire M6 J13 A449 Stafford Street Junction Wolverhampton, Staffordshire A4150 Ring Road A449 Stafford Street Stafford Street (unclassified) Stag Gate Sturminster Marshall, Dorset A31 unclass. Stag Hill Roundabout Guildford, Surrey A3 Middleton Road (S/B) Egerton Road unclass. Stag Lane Junction LB Wandsworth A3 Roehampton Vale Stag Lane Stag Roundabout Rotherham, South Yorkshire A6021 Wickersley Road A6123 Herringthorpe Valley Road Stagg's Folly Dorset A37 Long Ash Lane unclass. Stairfoot Roundabout Barnsley, South Yorkshire A633 Wombwell Lane A633 Grange Lane A635 Doncaster Road B6100 Hunningley Lane Staithgate Roundabout Bradford, West Yorkshire M606 A6177 Rooley Lane A6036 Rooley Avenue Staithgate Lane Stantonbury Roundabout Stantonbury, Milton Keynes H3 (A422) Monks Way V7 Saxon Street Stanton Wood Roundabout Bradwell Common, Milton Keynes H4 Dansteed Way V7 Saxon Street Staples Corner Roundabout Interchange M1 J1 A406 A5 Edgware Road Named after the Staples Mattress Factory which was located on the road junction from 1926 to 1986 The Stations Roundabout Roundabout Redhill, Surrey A23 Princess Way A25 Station Road A23 Marketfield Way Station Road Access road to bus station Named on road signage. Steam Mill Corner Bradfield, Essex Steam Mill Road Straight Road Stepps Road Interchange Glasgow M8 J11 B765 Stepps Road Stevens Cross Crossroads Sidford, Devon A3052 Trow Hill Fortescue Road Harcombe Lane East Named on road sign at junction Stibb Cross Great Torrington, Devon A388, W / NE B3227, E unclass., S Stifford Interchange North Stifford, near Grays, Thurrock (formerly in Essex) A13 A1012 Stifford High Road Stifford Clays Road NB. Not officially signed. Stilwell Roundabout Yiewsley, LB Hillingdon A408 Stockley Road B465 West Drayton Road Stirling Corner Roundabout Borehamwood, Hertfordshire A1 Barnet Bypass A411 Barnet Lane Stivichall Interchange aka Festival Island Stivichall (aka Styvechale), Coventry A45 Stonebridge Highway A46 A444 Stoak Interchange Stoak, Chester M56 J15 M53 J11 (formerly M531) Stockbridge Roundabout Roundabout Chichester, West Sussex A27 Chichester Bypass Stockbridge Road A27 Chichester Bypass Stockbridge Road Stockley Park Roundabout Yiewsley, LB Hillingdon A408 Stockley Road Horton Road Bennetsfield Road Stockwitch Cross Podimore, Somerset B3151 unclass. Stoke Junction Guildford, Surrey A3 Guildford Bypass A320 Woking Road A320 Stoke Road Stoke Road Junction Stoke-on-Trent, Staffordshire A500 Queensway A52 Sheffield Old Road A5006 Stoke Road Stonebridge Roundabout Wolverton, Milton Keynes V6 Grafton Street Newport Road Stonebridge Roundabout/Island Stonebridge, West Midlands A45 Coventry Road A45 Birmingham Road A452 Chester Road A452 Kenilworth Road Stony Stratford Roundabout Stony Stratford, Milton Keynes Stratford Road Queen Eleanor Street Stopgate Cross Crossroads Yarcombe, Honiton, Devon A303 B3170 unclass., to Yarcombe Stopgate Cross Crossroads Zeal Monachorum, Mid Devon B3220 unclass., to Lapford unclass., to Zeal Mchm Named on fingerpost Straiton Straiton, Edinburgh A720 City of Edinburgh Bypass A701 Straiton Road A701 Burdiehouse Road Streethay Lichfield, Staffordshire A38 A5127 Burton Road Strensham Interchange Roundabout Interchange Strensham, Worcestershire M5 J8 M50 Stump Cross Roundabout Interchange Great Chesterford, Cambridgeshire M11 A11 Newmarket Road