| width=20% | Junction Name | width=5% | Type | width=15% | Location | width=30% | Roads | width=18% | Grid Reference | width=25% | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
Gabalfa Interchange
| Cardiff, Wales | ||||||||||
Gailey Interchange
| Cannock, Staffordshire | 52.6897°N -2.1031°W | |||||||||
| Gailey Island | Cannock, Staffordshire | 52.6931°N -2.1311°W | |||||||||
| Galley Hill Roundabout | Stony Stratford, Milton Keynes |
| 52.0506°N -0.84°W | ||||||||
| Galleys Roundabout (formerly Galley's Corner) | Braintree, Essex |
| |||||||||
| Gallions Round | Beckton, LB Newham | 51.5081°N 0.0703°W | |||||||||
| Gallows Corner[1] | Roundabout with flyover | Romford, LB Havering | 51.5928°N 0.2125°W | ||||||||
| Gants Hill Cross[2] | Roundabout | Gants Hill, LB Redbridge |
| 51.5764°N 0.0664°W | |||||||
| Ganwick Corner | Crossroads | Potters Bar, Hertfordshire | 51.6819°N -0.1869°W | ||||||||
| Gartcosh | Glasgow |
| 55.8933°N -4.0711°W | ||||||||
| Gates' Corner (former location of) | Crossroads | South Woodford, LB Redbridge | 51.5958°N 0.0217°W | 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 | 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 |
| 50.4271°N -4.113°W | ||||||||
| Germoe Cross Roads | Germoe, Cornwall |
| |||||||||
| Giffard Park Roundabout | Blakelands, Milton Keynes |
| 52.0792°N -0.7483°W | ||||||||
| Gillette Corner | Brentford, LB Hounslow |
| 51.4833°N -0.3269°W | ||||||||
| Gildersome Interchange | Morley, West Yorkshire | 53.7467°N -1.6308°W | |||||||||
| Gipsy Lane Roundabout | Luton, Bedfordshire | 51.8694°N -0.3972°W | |||||||||
| Girton Interchange | Modified Cloverleaf | Girton, Cambridgeshire | 52.2306°N 0.0706°W | ||||||||
| Givons Grove Roundabout | Leatherhead, Surrey | ||||||||||
| The Glanty | Egham, Surrey | ||||||||||
| Glasgow Airport | Glasgow |
| 55.8619°N -4.4328°W | webcam | |||||||
| Gleadless Townend | Gleadless, South Yorkshire |
| 53.3453°N -1.4256°W | ||||||||
| Godstone Interchange | Godstone, Surrey | 51.2594°N -0.065°W | |||||||||
| Gogar Junction | Gogar, Edinburgh | ||||||||||
| Golden Balls Roundabout | Burcot, Oxfordshire |
| 51.6753°N -1.1919°W | ||||||||
| Golden Fleece[3] | Carlisle, Cumbria | 54.8575°N -2.8781°W | |||||||||
| Golds Cross | Tedburn St Mary, Devon |
| |||||||||
| Gonerby Moor Roundabout | Grantham, Lincolnshire |
| 52.95°N -0.6794°W | ||||||||
| Goole Interchange | Goole, East Yorkshire | ||||||||||
| Goresbrook Interchange | Dagenham, LB Barking and Dagenham | ||||||||||
| Granby Roundabout | Granby, Milton Keynes |
| 52.0061°N -0.7347°W | ||||||||
| Grange Farm Roundabout | Grange Farm, Milton Keynes |
| 52.0269°N -0.8106°W | ||||||||
| Grasby Bottoms | Grasby, Lincolnshire |
| |||||||||
| Grassyards Interchange | Kilmarnock, Ayrshire |
| 55.6231°N -4.4667°W | ||||||||
| Birmingham, West Midlands | 52.5097°N -1.8653°W | Spaghetti Junction is elevated above Salford Circus | ||||||||
| Great Barr | Great Barr, West Midlands | 52.5531°N -1.935°W | |||||||||
| The Great Cambridge Road Roundabout | Roundabout Interchange | London | 51.6164°N -0.0867°W | ||||||||
| Great Daux Roundabout | Horsham, West Sussex | 51.0875°N -0.3331°W | |||||||||
| Great Linford Roundabout | Neath Hill, Milton Keynes | 52.0636°N -0.7481°W | |||||||||
| The Green, Woodford | Roundabout | Woodford, LB Redbridge | |||||||||
| Green Lane Roundabout | Milton Keynes |
| |||||||||
| The Green Man | Bristol | 51.4558°N -2.6042°W | Named after the statue in the middle of the roundabout | ||||||||
| The Green Man[4] | Roundabout Interchange | Leytonstone, LB Waltham Forest | 51.5717°N 0.0158°W | Named after the Green Man Pub, Which stood one the site until the construction of the new A12 Eastway. | |||||||
| Greenleys Roundabout | Greenleys, Milton Keynes |
| 52.0581°N -0.8267°W | ||||||||
| Greenford Roundabout | Greenford, LB Ealing | 51.5361°N -0.3464°W | |||||||||
| Greengate Roundabout | Moston, Greater Manchester |
| 53.5253°N -2.1756°W | ||||||||
| GreenoakhillRoundabout | Uddingston, South Lanarkshire | Boghall Road, Greenoakhill Road, Greenoakhill Gate, Greenoakhill Crescent | 55° 50' 30.048'' N4° 7' 2.172'' W|Links Boghall Road and The A74 to the New Village of Greenoakhill |- | Greymoorhill
| 54.9303°N -2.9464°W| |-| Grimston Bar|| York, North Yorkshire| | 53.9578°N -1.0114°W| |- |-| Grovehill junction|Pile of traffic lights|Beverley|
||Has 42 traffic lights|-| The Grove|| Dulwich, LB Southwark| | 51.4433°N -0.0678°W| |-| Grove Lodge Roundabout| Roundabout| Worthing, West Sussex| | | |-| Gulworthy Cross|| Gulworthy, Devon|
| 50.5342°N -4.1925°W||-| Gummow's Shop|| Gummow's Shop, near Newquay, Cornwall| | ||- | Gunnersbury Park|| Gunnersbury, LB Hounslow| | 51.5011°N -0.2856°W| |- | Gunstone Cross| T junction| Crediton, Devon| unclass. roads to | 50.78°N -3.6948°W | Named on fingerpost|-| Gunthorpe Bridge|| Gunthorpe, Nottinghamshire|
| 52.9861°N -0.9875°W| |- | Gypsy Corner[5] || Acton, LB Ealing| | 51.5214°N -0.2639°W| |} References} |