| Junction Name | Type | Location | Roads | Grid Reference | Notes |
|---|
| Gabalfa Interchange | Cardiff, Wales- A48 Western Avenue
- A48 Eastern Avenue
- A470 North Road
- A469 Whitchurch Road
| ST169791}} |
Gailey Interchange- aka Gailey Motorway Island
| Cannock, Staffordshire | 52|41|23|N|2|06|11|W}} |
| Gailey Island | Cannock, Staffordshire | 52|41|35|N|2|07|52|W}} |
| Galley Hill Roundabout | Stony Stratford, Milton Keynes- H1 Ridgeway
- V4 Watling Street
| 52|03|02|N|0|50|24|W}} |
| Galleys Roundabout (formerly Galley's Corner) | Braintree, Essex | TL778220}} |
| Gallions Round | Beckton, LB Newham- A117 Woolwich Manor Way
- A1020 Royal Albert Way
- A1020 Royal Docks Way
- Armada Way
- Gallions Road
- University Way
| 51|30|29|N|0|04|13|E}} |
| Gallows Corner[1] | Roundabout with flyover | Romford, LB Havering- A12 Eastern Avenue
- A12 Colchester Road
- A118 Main Road (formerly A12)
- A127 Southend Arterial Road
- Straight Road
| 51|35|34|N|0|12|45|E}} |
| Gants Hill Cross[2] | Roundabout | Gants Hill, LB Redbridge- A12 Eastern Avenue
- A123 Cranbrook Road
- A1400 Woodford Avenue (former A406)
- Clarence Avenue
| 51|34|35|N|0|03|59|E}} |
| Ganwick Corner | Crossroads | Potters Bar, Hertfordshire- A1000 Great North Road (formerly A1)
- Dancers Hill Road
| 51|40|55|N|0|11|13|W}} |
| Gartcosh | Glasgow | 55|53|36|N|4|04|16|W}} |
| Gates' Corner (former location of) | Crossroads | South Woodford, LB Redbridge- A406 Southend Road
- A1199 High Rd. Woodford Green (formerly A11)
| 51|35|45|N|0|01|18|E}} | The North Circular now passes under the junction, with no vehicle access to the Woodford Green High Road. But pedestrian access has been maintained. |
| The George | Crossroads | South Woodford, LB Redbridge- A1199 High Road (formerly A11)
- B168 George Lane
| TQ402904}} | Named after the pub on the junction. The shops at the top of George Lane are also known as the Electric Parade |
| George Junction | Plymouth- A386 Tavistock Road
- B3432 Plymbridge Road
- Southway Drive
| 50.4271|-4.1130}} |
| Germoe Cross Roads | Germoe, Cornwall | SW582291}} |
| Giffard Park Roundabout | Blakelands, Milton Keynes- Wolverton Road
- V10 Brickhill Street
| 52|04|45|N|0|44|54|W}} |
| Gillette Corner | Brentford, LB Hounslow- A4 Great West Road
- B454 Syon Lane
| 51|29|00|N|0|19|37|W}} |
| Gildersome Interchange | Morley, West Yorkshire | 53|44|48|N|1|37|51|W}} |
| Gipsy Lane Roundabout | Luton, Bedfordshire- A1081 Airport Way
- A505 Gipsy Lane
| 51|52|10|N|0|23|50|W}} |
| Girton Interchange | Modified Cloverleaf | Girton, Cambridgeshire- M11 J14
- A14 (formerly A604)
- A14 (formerly A45)
- A1307 (formerly A604)
- A428 (formerly A45)
| 52|13|50|N|0|04|14|E}} |
| Givons Grove Roundabout | Leatherhead, Surrey- A24 Dorking Road
- A24 By-Pass Road
- A246 Young Street
- B2450 Dorking Road
| TQ167550}} |
| The Glanty | Egham, Surrey- A30 Egham By-pass
- A308 The Glanty
- B388
| TQ017718}} |
| Glasgow Airport | Glasgow | 55|51|43|N|4|25|58|W}} | webcam |
| Gleadless Townend | Gleadless, South Yorkshire | 53|20|43|N|1|25|32|W}} |
| Godstone Interchange | Godstone, Surrey- M25 J6
- A22 Godstone By-pass
- A22 Godstone Hill
- B2235 Godstone Hill
| 51|15|34|N|0|03|54|W}} |
| Gogar Junction | Gogar, Edinburgh- A8 Glasgow Road
- A720
- unclass.
| NT175726}} |
| Golden Balls Roundabout | Burcot, Oxfordshire | 51|40|31|N|1|11|31|W}} |
| Golden Fleece[3] | Carlisle, Cumbria | 54|51|27|N|2|52|41|W}} |
| Golds Cross | Tedburn St Mary, Devon- unclass. (formerly A30)
- Golds Lane
- Piece Hill
| SX803939}} |
| Gonerby Moor Roundabout | Grantham, Lincolnshire | 52|57|00|N|0|40|46|W}} |
| Goole Interchange | Goole, East Yorkshire | SE721238}} |
| Goresbrook Interchange | Dagenham, LB Barking and Dagenham- A13 Ripple Road
- A13 Thames Gateway
- A1306 Ripple Road (formerly A13)
- Choats Manor Way
- Morrison Road
| TQ485835}} |
| Granby Roundabout | Granby, Milton Keynes- H10 Bletcham Way
- V4 Watling Street
- V6 Grafton Street
| 52|00|22|N|0|44|05|W}} |
| Grange Farm Roundabout | Grange Farm, Milton Keynes- H4 Danesteed Way
- V3 Fulmer Street
| 52|01|37|N|0|48|38|W}} |
| Grasby Bottoms | Grasby, Lincolnshire- unclass.
- Grasby Wold Lane
| TA107068}} |
| Grassyards Interchange | Kilmarnock, Ayrshire | 55|37|23|N|4|28|0|W}} |
| Gravelly Hill Interchange | Birmingham, West Midlands- M6 J6
- A38(M) Aston Expressway
- A38 Tyburn Road
- A5127 Gravelly Hill
| 52|30|35|N|1|51|55|W}} | Spaghetti Junction is elevated above Salford Circus |
| Great Barr | Great Barr, West Midlands | 52|33|11|N|1|56|06|W}} |
| The Great Cambridge Road Roundabout | Roundabout Interchange | London- A10 Great Cambridge Road
- A406 North Circular Road
- A111 Hedge Lane
| 51|36|59|N|0|05|12|W}} |
| Great Daux Roundabout | Horsham, West Sussex | 51|05|15|N|0|19|59|W}} |
| Great Linford Roundabout | Neath Hill, Milton Keynes- H3 (A422) Monks Way
- V9 Overstreet
| 52|03|49|N|0|44|53|W}} |
| The Green, Woodford | Roundabout | Woodford, LB Redbridge- A104 Woodford New Road
- A1199 High Road (formerly A11)
| TQ399915}} |
| Green Lane Roundabout | Milton Keynes- V9 Overgate
- Silbury Boulevard
| SP868399}} |
| The Green Man | Bristol- A4018 Park Street
- A4018 Queens Road
- B4051 Park Row
| 51|27|21|N|2|36|15|W}} | Named after the statue in the middle of the roundabout |
| The Green Man[4] | Roundabout Interchange | Leytonstone, LB Waltham Forest- A12 Eastway
- A114 Whipps Cross Road
- A113 Hollybush Hill (brief section formerly A11)
- Leytonstone High Road (formerly A11)
| 51|34|18|N|0|00|57|E}} | Named after the Green Man Pub, Which stood one the site until the construction of the new A12 Eastway. |
| Greenleys Roundabout | Greenleys, Milton Keynes- H1 Ridgeway
- V5 Great Monks Street
| 52|03|29|N|0|49|36|W}} |
| Greenford Roundabout | Greenford, LB Ealing- A40 Western Avenue
- A4127 Greenford Road
| 51|32|10|N|0|20|47|W}} |
| Greengate Roundabout | Moston, Greater Manchester | 53|31|31|N|2|10|32|W}} |
| Greymoorhill | Carlisle, Cumbria | 54|55|49|N|2|56|47|W}} |
| Grimston Bar | York, North Yorkshire | 53|57|28|N|1|00|41|W}} |
|
| Grovehill junction | Pile of traffic lights | Beverley- A1174
- Road to Weel
- 2 roads to Beverley towb centre
| TA 048 397}} | Has 42 traffic lights |
| The Grove | Dulwich, LB Southwark- A205 Dulwich Common
- A205 London Road
- A2216 Lordship Lane
| 51|26|36|N|0|04|04|W}} |
| Gulworthy Cross | Gulworthy, Devon | 50|32|03|N|04|11|33|W}} |
| Gummow's Shop | Gummow's Shop, near Newquay, Cornwall | SW867575}} |
| Gunnersbury Park | Gunnersbury, LB Hounslow- A406 Gunnersbury Avenue
- A4000 Gunnersbury Lane
- B4491 Popes Lane
| 51|30|04|N|0|17|08|W}} |
| Gunstone Cross | T junction | Crediton, Devon | unclass. roads to- Crediton E
- Posbury/Tedburn St Mary S
- Yeoford W
| 50.7800 | -3.6948 | name=Gunstone Cross}} | Named on fingerpost |
| Gunthorpe Bridge | Gunthorpe, Nottinghamshire- A6097 Bye Pass Road
- Main Street
- Trent Lane
| 52|59|10|N|0|59|15|W}} |
| Gypsy Corner[5] | Acton, LB Ealing- A40 Western Avenue
- A4000 Victoria Road
- A4000 Horn Lane
- B4492 Park Royal Road
| 51|31|17|N|0|15|50|W}} |
{{GeoGroupTemplate}}1. ^http://hansard.millbanksystems.com/commons/1956/jul/04/a12-gallows-corner-improvements
2. ^http://hansard.millbanksystems.com/commons/1935/aug/01/cross-roads-gants-hill-cross
3. ^http://hansard.millbanksystems.com/written_answers/2004/feb/24/infrastructure-improvement-schemes
4. ^http://hansard.millbanksystems.com/written_answers/1961/nov/22/leytonstone
5. ^http://hansard.millbanksystems.com/written_answers/1986/jun/09/a40-improvements
{{UK road lists}}