| width=20% | Junction Name | width=5% | Type | width=15% | Location | width=30% | Roads | width=18% | Grid Reference | width=25% | Notes |
|---|
| Labbett's Cross | T junction | Chawleigh, Mid Devon |
| 50.8902°N -3.8137°W | Named on fingerpost |
| Lacton Interchange | | Ashford, Kent, Kent |
| 51.1372°N 0.9108°W | |
| Lady Margaret | | Swindon, Wiltshire, Wiltshire | - A4312, Drakes Way
- unclass., to Coleview
| |
| Lakeside Roundabout | | Newlands, Milton Keynes |
| 52.0494°N -0.7247°W | |
| Lana Cross | T junction | Bradford, Devon | unclass. roads to- Thornbury N
- Dipper Mill E
- Hole Moor S
| 50.8376°N -4.2429°W | Named on fingerpost |
| Lampool Roundabout | Roundabout | Maresfield, East Sussex |
| | |
| Lancaster Circus | Roundabout with overbridge | Birmingham | - A4400, St Chads Queensway (surface level)
- A38, St Chads Queensway (tunnel and overbridge)
- A38, Aston Expressway
- B4114, James Watt Queensway (former A4400)
- B4114, Lancaster Street, New Town Row (former A34)
| | The sections named Queensway are part of the former Inner Ring Road. |
| Lancing Manor Roundabout | Roundabout | Lancing, West Sussex | - A27 Upper Brighton Road
- A27 Old Shoreham Road
- A2025 Grinstead Lane
- Manor Road
| | |
| Landulph Cross | Crossroads | Cargreen, Cornwall |
| | |
| Lane End Cross | Crossroads | Sydenham Damerel, Devon |
| | |
| Laney Green
|
| Langford Turn | | Edworth, Bedfordshire | - A1 London Road (northbound)
- Edworth Road
| 52.0517°N -0.2294°W | N/B only - see Edworth Turn |
| Lamerhooe Cross | Crossroads | Lamerhooe, Devon |
| | |
| Langham Interchange | Trumpet | Rawcliffe, East Yorkshire |
| | |
| Langley Roundabout | | Langley, Berkshire |
| 51.4919°N -0.5431°W | |
| Langley Sidings | Roundabout Interchange | Stevenage, Hertfordshire |
| 51.8875°N -0.2067°W | |
| Lapford Cross | Crossroads | Lapford, Mid Devon | - A377
- unclass. Kelland Hill
| 50.8542°N -3.8078°W | |
| Larkhall Interchange | | Larkhall, South Lanarkshire | - M74 J7
- A72 Lanark Road
- Duke Street
| 55.7542°N -3.9714°W | |
| Lavender Corner |
| Lawrence Weston Interchange | | Avonmouth, Bristol | - M5 J18/18a
- M49
- A4 Bristow Way
- B4054 Avonmouth Road
| 51.5019°N -2.6744°W | |
| Lawton Crossroads | | Church Lawton, Cheshire |
| | |
| Lea Interchange | | Temple Mills, LB Newham | - A12 East Cross Route
- A106
- Waterden Road
- B112 Homerton Road
| 51.5511°N -0.0211°W | aka Temple Mills, because of its location at the Temple Mills bridge. |
| Leadenhall Roundabout | | Oldbrook, Milton Keynes |
| 52.0256°N -0.7586°W | |
| Leamouth Junction | | Leamouth, LB Tower Hamlets | - A13 East India Dock Road
- A1020 Leamouth Road
- B125 Abbot Road
- Lanrick Road
| | just to the north of Leamouth Roundabout |
| Leamouth Roundabout | | Leamouth, LB Tower Hamlets | - A1261 Aspen Way
- A1020 Leamouth Road
- A1020 Lower Lea Crossing
- Newport Avenue
- Saffron Avenue
- Silvocea Way
| 51.5108°N 0.0011°W | just to the south of Leamouth Junction |
| Leavesden Green | | Watford, Hertfordshire | - A41 North Western Avenue
- A405 North Orbital Road (Kingsway)
- Gade Side
| 51.685°N -0.4136°W | |
| Lee Green | Crossroads | Lee, LB Lewisham | - A20 Lee High Road
- A20 Eltham Road
- B212 Lee Road
- A2212 Burnt Ash Road
| 51.4567°N 0.0114°W | |
| Leigh Cross | Crossroads | Chulmleigh, North Devon | - A377
- B3096 Leigh Road
- unclass., to Bridge Reeve
| 50.9095°N -3.897°W | Named on road signs at junction |
| Leigh Cross | | near Sydenham Damerel, Devon |
| | |
| Leonard Moor Cross | | Uffculme, Devon | - B3181 (formerly A38)
- unclass.
| | |
| Letchworth Gate | Roundabout Interchange | Letchworth, Hertfordshire |
| | |
| Lickey End | | Lickey End, Worcestershire | - M42 J1
- A38 Birmingham Road
- B4096 Alcester Road
- B4096 Old Birmingham Road
| | |
| Lightwood Roundabout | | Sheffield, South Yorkshire | - A6102
- Norton Avenue
- Lightwood Lane
| 53.3375°N -1.4431°W | |
| Lime Kiln | | Stoke-on-Trent, Staffordshire |
| | |
| Lion Roundabout | Roundabout | Gravesend, Kent | -
- Lower Higham Road
- Dering Way
| 51.4324°N 0.3937°W | |
| Little Eaton Roundabout | | Derby, Derbyshire |
| 52.9564°N -1.4597°W | |
| Little Heath | | Near Goodmayes, LB Redbridge | - A12 Eastern Avenue
- B177 Barley Lane
- Hainault Road
| 51.5828°N 0.1172°W | |
| Littlebrook Interchange | | Dartford, Kent | - A282 Dartford Tunnel Approach Road J1a
- A206 University Way
- A206 Crossways Boulevard
- B2228 Cotton Lane
| 51.4525°N 0.2408°W | |
| Lix Toll Junction | | Glen Dochart, Perthshire |
| | |
| Lizzie Bryce Roundabout | | Livingston, West Lothian |
| | Lizzie Brice (or Bryce) was an old woman who lived with her daughter at Raw Cottage (at the South end of the Spine Road). She acquired the reputation of being a witch, but she was really just a poor woman, born in 1776 and died in 1865. The strip of woodland by her cottage came to be known as Lizzie Brice's strip.[1] |
| Locking Castle Roundabout
| | Weston-super-Mare, North Somerset |
| 51.3525°N -2.9097°W | |
| Lodge Roundabout | | Great Holm, Milton Keynes |
| 52.0389°N -0.7939°W | |
| Lodge Avenue Junction | | Barking, LB Barking and Dagenham |
| 51.5328°N 0.1092°W | formerly known as Ripple Road Junction. Lodge Avenue is now the signed variant. |
| Lofthouse Interchange | | Lofthouse, West Yorkshire |
| 53.7308°N -1.5122°W | |
| Lombard Roundabout | | London Borough of Croydon | - A23 Purley Way
- A23 Thornton Road
- A236 Mitcham Road
| 51.3853°N -0.1211°W | |
| Lombard Roundabout | Roundabout | Redhill, Surrey | - A23 Princess Way
- A25 London Road
- A23 London Road
- Gloucester Way
| | Named on road signage |
| London Road Interchange | | Braintree, Essex |
| | |
| London Road Roundabout | | Twickenham |
| 51.4558°N -0.3303°W | |
| Longbarrow Crossroads | | Wiltshire |
| 51.1722°N -1.8592°W | |
| Longbridge Roundabout | Roundabout | Crawley, West Sussex | - A23 London Road
- A217
- A23 Brighton Road
- Povey Cross Road
| | |
| Longbridge Roundabout | | Warwickshire |
| | currently being improved by the Highways Agency, with a dual carriageway for the A46 bypassing the busy junction |
| Longford Roundabout | | Longford, Hillingdon | - A3044 Stanwell Moor Road
- Bath Road
| 51.4792°N -0.4944°W | |
| The Longshoot | | Nuneaton, Warwickshire |
| 52.5369°N -1.4208°W | |
| Longstone Cross | Staggered | | - A3074 St Ives Road
- unclass. Porthrepta Road
- unclass. Trencrom Lane
| 50.1926°N -5.4618°W | |
| Loosedon Cross | Crossroads | | unclass. roads to
| 50.8694°N -3.9938°W | Named on fingerpost |
| Lopcombe Corner | | Winterslow, Wiltshire |
| | |
| Lord Lees Junction | | Chatham, Kent | - A229 Maidstone Road
- A229 Taddington Wood Spur
| | |
| Lordsmill Roundabout | | Chesterfield, Derbyshire |
| 53.2333°N -1.4242°W | |
| Lothianburn Junction | | Edinburgh |
| | |
| Loughton Roundabout | | Loughton, Milton Keynes |
| 52.0306°N -0.7944°W | |
| Lower Cross | | Culmstock, Devon |
| | |
| Lower Kilburn Interchange | | Lower Kilburn, Derbyshire |
| | |
| Lowfield Roundabout | Roundabout | Crawley, West Sussex | - A23 London Road
- Old Brighton Road South
| | |
| Ludgate Circus | | City of London |
| 51.5142°N -0.1044°W | |
| Lune Valley Interchange
| Diamond Interchange | Lancaster, Lancashire |
| 54.0714°N -2.7717°W | |
| Lydiate Ash | | Lydiate Ash, West Midlands |
| 52.3786°N -2.0472°W | |
| Lymm Interchange | | Warrington, Cheshire |
| 53.3528°N -2.5003°W | | |
