| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Addlestone,
                England Surrey United Kingdom  | 
            
                Green Ln. / School Ln. (51.37556, -0.50128)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Canwick,
                England Lincs United Kingdom  | 
            
                Washingborough Road Roundabout [A15 (Lincoln Eastern Bypass) / B1190 (Washingborough Rd.)] (53.22176, -0.50013)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Harmondsworth,
                England Slough United Kingdom  | 
            
                (unknown) / (parking) (51.48625, -0.49946)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                New Haw,
                England Surrey United Kingdom  | 
            
                Grange Rd. / Holly Ave. / Selbourne Ave. (51.35047, -0.49866)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Uxbridge,
                England Bucks United Kingdom  | 
            
                Denham Roundabout: M40 (Western Ave.) Ramps / A40 (Oxford Rd.) / A412 (Denham Rd.) / A4020 (Oxford Rd.) (51.56128, -0.49574)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Metering Signal  | 
            
                6 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Ring junction (3+ mini-roundabouts in ring)  |   
            ||
| 
                London,
                England City of London United Kingdom  | 
            
                Terminal 5 Roundabout (Western Perimeter Rd. / M25 Ramps) (51.47474, -0.49471)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 76.6216  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            ICD estimated from Google Maps linework. | |
| 
                Lincoln,
                England Lincs United Kingdom  | 
            
                Wragby Roundabout [A158 / A158 (Wragby Rd. E) / A1434 (Wragby Rd. E) / Lincoln Eastern Bypass (53.24761, -0.49465)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                West Drayton,
                England Greater London United Kingdom  | 
            
                Longford Roundabout (Stanwell Moor Rd. / Bath Rd.) (51.47911, -0.49463)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 59.5062  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            ICD estimated from Google Maps linework. | |
| 
                Staines-upon-Thames,
                England Greater London United Kingdom  | 
            
                Stanwell Moor Rd. / Southern Perimeter Rd. (51.46354, -0.49342)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal Unknown  | 
            
                4 Approaches 0 Driveways 87.0576  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            ICD estimated from Google Maps linework. | |
| 
                Addlestone,
                England Surrey United Kingdom  | 
            
                A318 (Chertsey Rd.) / Green Ln. (51.37378, -0.49316)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Addlestone,
                England Surrey United Kingdom  | 
            
                A318 (Chertsey Rd.) / Princess Marys Rd. (51.37425, -0.49305)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Addlestone,
                England Surrey United Kingdom  | 
            
                A318 (Chertsey Rd.) / A317 (Woburn Hill) / St Peters Way / Addlestone Moor (51.38033, -0.49241)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A4251 (London Rd.) / Fishery Rd. (51.74305, -0.49149)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 1 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Greetwell,
                England Lincs United Kingdom  | 
            
                A15 (Lincoln Eastern Bypass) / Greetwell Rd. (53.23329, -0.49148)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Heathrow Villages,
                England London United Kingdom  | 
            
                Speedbird Way / Tarmac Way (51.48413, -0.49093)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Staines-upon-Thames,
                England Greater London United Kingdom  | 
            
                Southern Perimeter Rd. / Western Perimeter Rd. (51.46226, -0.48932)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Pedestrian Signal (red-yellow-green to drivers)  | 
            
                4 Approaches 0 Driveways 64.7369  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Addlestone,
                England Surrey United Kingdom  | 
            
                B3121 (Station Rd.) / Garfield Rd. / (parking) (51.37170, -0.48785)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                New Haw,
                England Surrey United Kingdom  | 
            
                A318 (New Haw Rd. - Byfleet Rd.) / Woodham Ln. (51.35732, -0.48684)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A4251 (London Rd.) / A4146 (Station Rd.) (51.74301, -0.48452)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A414 (Two Waters Way) / A41 WB Ramps (51.73616, -0.48168)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                2 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            Raindrop shaped. | |
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A414 (Two Waters Way) / A41 EB Ramps (51.73648, -0.47996)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            Raindrop shaped. | |
| 
                Byfleet,
                England Surrey United Kingdom  | 
            
                A245 (Parvis Rd.) / High Rd. / Chertsey Rd. (51.34020, -0.47981)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A4146 (Leighton Buzzard Rd.) / A4147 (Link Rd.) / B440 (Leighton Buzzard Rd.) / Galley Hill (51.76563, -0.47949)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Weybridge,
                England Surrey United Kingdom  | 
            
                A318 (Barnes Wallis Dr.) / (parking) (51.34368, -0.47596)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A4146 (Leighton Buzzard Rd.) / Queensway / Warners End Rd. (51.75713, -0.47560)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            Left-turn-only lanes on all legs. | |
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                Leighton Buzzard Rd. / Combe St. (51.75370, -0.47514)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A4147 (Link Rd.) / Piccotts End Rd. (51.76574, -0.47503)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Byfleet,
                England Surrey United Kingdom  | 
            
                A245 (Parvis Rd.) / Oyster Ln. (51.34070, -0.47453)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                Plough Roundabout: A414 / Lawn Ln. / Two Waters Rd. / Station Rd. / Leighton Buzzard Rd. / Selden Hill (51.74628, -0.47329)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                6 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Ring junction (3+ mini-roundabouts in ring)  |   
            Ring junction of six mini-roundabouts. | |
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                Queensway / Marlowes (51.75735, -0.47277)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                West Byfleet,
                England Surrey United Kingdom  | 
            
                A318 (Sopwith Dr. - Barnes Wallis Dr.) / Sopwith Dr. / (parking) (51.34340, -0.47269)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Weybridge,
                England Surrey United Kingdom  | 
            
                Sopwith Dr. / Avro Way / Brooklands Dr. / Wellington Way (51.34748, -0.47251)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Byfleet,
                England Surrey United Kingdom  | 
            
                A245 (Parvis Rd.) / A318 (Sopwith Dr.) (51.34071, -0.47238)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Byfleet,
                England Surrey United Kingdom  | 
            
                High Rd. / Church Rd. (51.33791, -0.46954)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Weybridge,
                England Surrey United Kingdom  | 
            
                Wellington Way / Staniland Dr. / The Heights (51.34885, -0.46495)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Weybridge,
                England Surrey United Kingdom  | 
            
                The Heights / (parking) (51.35052, -0.46380)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 1 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Weybridge,
                England Surrey United Kingdom  | 
            
                The Heights / (parking) (51.35186, -0.46351)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Weybridge,
                England Surrey United Kingdom  | 
            
                The Heights / (parking) (51.35241, -0.46337)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Weybridge,
                England Surrey United Kingdom  | 
            
                The Heights / (parking) (51.35302, -0.46317)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Byfleet,
                England Surrey United Kingdom  | 
            
                A245 (Parvis Rd. - Byfleet Rd.) / B374 (Brooklands Rd.) (51.34122, -0.46255)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Weybridge,
                England Surrey United Kingdom  | 
            
                B374 / Wellington Way (51.34949, -0.46081)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A4147 (Link Rd.) / Cambrian Way / Aycliffe Dr. (51.76921, -0.45691)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A414 (Saint Albans Rd.) / Jarman Way (51.74980, -0.45562)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            Through bypass lane on west leg. | |
| 
                London Heathrow Airport,
                England London United Kingdom  | 
            
                Beacon Rd. / Stanwell Rd. / Bedfront Rd. / Sanctuary Rd. / (parking) (51.45523, -0.45475)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                London Heathrow Airport,
                England London United Kingdom  | 
            
                Southern Perimeter Rd. / Beacon Rd. (51.45675, -0.45441)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Cranford,
                England Greater London United Kingdom  | 
            
                A408 / M4 (Heathrow Airport Spur Rd. / M4 (Chiswick to Langley Special Road) Ramps (51.49580, -0.45344)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A414 (Saint Albans Rd.) / White Hart Rd. / Bennetts End Rd. (51.74958, -0.45123)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            Left-turn-only lane on east and west legs. | |
| 
                West Drayton,
                England Greater London United Kingdom  | 
            
                A408 (Stockley Rd.) / Prologis Park (51.50251, -0.45118)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            ||
| 
                Cobham,
                England Surrey United Kingdom  | 
            
                Wisley Interchange Roundabout [Portsmouth Rd. / M25 Ramps] (51.32225, -0.45040)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A4147 (Link Rd. / Redbourn Rd.) / B487 (Redbourn Rd.) / Saint Agnells Ln. (51.77084, -0.44894)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A4147 (Redbourn Rd. / Swallowdale Ln.) / High Street Green / Queensway (51.76548, -0.44808)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Left-turn bypass lanes on west and south legs. | |
| 
                London,
                England Greater London United Kingdom  | 
            
                Prologis Park / Nine Acre Close (51.50223, -0.44740)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A4147 (Swallowdale Ln. / Maylands Ave.) / Swallowdale Ln. / Eastman Way (51.76690, -0.44389)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A414 (Saint Albans Rd. / Breakspear Way) / A4147 (Leverstock Green Way / Maylands Ave.) (51.75379, -0.43624)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            Left-turn add-lane bypass lanes on north and south legs. Left-turn-only lanes on east and west legs. | |
| 
                Hessle,
                England East Riding of Yorkshire United Kingdom  | 
            
                A1105 (Boothferry Rd.) / B1232 (Beverley Rd.) (53.73215, -0.43561)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            Left-turn-only lanes on east and west legs. | |
| 
                Hayes,
                England Greater London United Kingdom  | 
            
                A437 (Dawley Rd.) / Bourne Ave. (51.50250, -0.43051)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                Boundary Way / Buncefield Ln. / (parking) (51.76062, -0.42889)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Cobham,
                England Surrey United Kingdom  | 
            
                Portsmouth Rd. / A3 Ramps (51.33481, -0.42774)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                (Breakspear Park entrance) / (parking) (51.75549, -0.42416)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                A414 (Breakspear Way) / Green Ln. (51.75630, -0.42355)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            ||
| 
                London Heathrow Airport,
                England London United Kingdom  | 
            
                Hatton Cross Roundabout [Envoy Ave. / Eastchurch Rd. / Viscount Way / Southern Perimeter Rd. / Hatton Rd.] (51.46785, -0.42332)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Ring junction (3+ mini-roundabouts in ring)  |   
            Ring junction of five multilane mini-roundabouts. | |
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                Green Ln. / Boundary Way (51.76027, -0.42309)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Cobham,
                England Surrey United Kingdom  | 
            
                A245 (Portsmouth Rd.) / Bridgeway (51.33334, -0.42285)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Hemel Hempstead,
                England Herts United Kingdom  | 
            
                Green Ln. / Cherry Tree Ln. / Hogg End Ln. (51.76618, -0.42265)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                London Heathrow Airport,
                England London United Kingdom  | 
            
                Envoy Roundabout [Envoy Ave. / Crawford Ln. / Eastern Perimeter Rd.] (51.46885, -0.42082)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Cobham,
                England Surrey United Kingdom  | 
            
                A245 / A307 (51.33209, -0.41790)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Scarborough,
                England North Yorkshire United Kingdom  | 
            
                A165 (Columbus Ravine - Burniston Rd.) / Peasholm Gap (54.29215, -0.40926)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                South Ruislip,
                England Greater London United Kingdom  | 
            
                Polish War Memorial: A40 (Western Ave.) Ramps / A4180 (West End Rd.) (51.54826, -0.39929)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)  |   
            ||
| 
                Stoke D’Abernon,
                England Surrey United Kingdom  | 
            
                Bray Rd. / Vincent Rd. / D'Abernon Dr. (51.32025, -0.39032)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Leatherhead,
                England Surrey United Kingdom  | 
            
                A244 / Oaklawn Rd. (51.31993, -0.34191)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Leatherhead,
                England Surrey United Kingdom  | 
            
                (parking) (51.31162, -0.33508)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Leatherhead,
                England Surrey United Kingdom  | 
            
                B2430 (Kingston Rd. / Oxshott Rd.) / Kingston Rd. / (parking) (51.31201, -0.33400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Leatherhead,
                England Surrey United Kingdom  | 
            
                A243 / A244 / M25 Ramps (51.31560, -0.33081)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Leatherhead,
                England Surrey United Kingdom  | 
            
                A245 (Kingston Rd. - Leatherhead Bypass Rd.) / B2430 (Kingston Rd.) / Barnett Wood Ln. (51.30321, -0.32924)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Leatherhead,
                England Surrey United Kingdom  | 
            
                A243 / A245 / M25 Ramps (51.30356, -0.32240)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Ashtead,
                England Surrey United Kingdom  | 
            
                Barnett Wood Ln. / Harriotts Ln. (51.30901, -0.32066)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Ashtead,
                England Surrey United Kingdom  | 
            
                The Murreys (51.30970, -0.31527)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                3 Approaches 3 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Ashtead,
                England Surrey United Kingdom  | 
            
                The Murreys / Shires Close (51.30889, -0.31426)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 2 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                The Hermitage,
                England Surrey United Kingdom  | 
            
                B2032 (Dorking Rd.) / (unknown) (51.26773, -0.25206)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Peterborough,
                England Peterborough United Kingdom  | 
            
                A15 (London Rd.) / A605 (Oundle Rd.) (52.56638, -0.24219)  | 
            
                Roundabout Removed  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2+ lanes) w/ Traversable Central Island  |   
            2008 | First mini-roundabout in the UK. Installed 1969, removed 2008. | 
| 
                Crawley,
                England West Sussex United Kingdom  | 
            
                Horsham Rd. / A264 / Sullivan Dr. (51.09786, -0.22839)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Crawley,
                England West Sussex United Kingdom  | 
            
                Breezehurst Dr. / Sullivan Dr. / Gasson Wood Rd. / Bewbush Dr. / Dorsten Pl. / (parking) (51.10303, -0.22381)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                6 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Crawley,
                England West Sussex United Kingdom  | 
            
                Bewbush Dr. / Ellman Rd. (51.10517, -0.21893)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Crawley,
                England West Sussex United Kingdom  | 
            
                Bewbush Dr. / Mowbray Dr. (51.10505, -0.21598)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Broadfield North,
                England West Sussex United Kingdom  | 
            
                Jersey Rd. / Saint Clement Rd. (51.09833, -0.21422)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Broadfield North,
                England West Sussex United Kingdom  | 
            
                Broadwood Rise / Jersey Rd. (51.09797, -0.21325)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Broadfield North,
                England West Sussex United Kingdom  | 
            
                Pelham Dr. / Seymour Rd. / Broadwood Rise (51.09826, -0.21198)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Bridlington,
                England East Riding of Yorkshire United Kingdom  | 
            
                A165 / B1423 (Scarborough Rd.) / Market Pl. (54.09528, -0.20997)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Bridlington,
                England East Riding of Yorkshire United Kingdom  | 
            
                A165 (Bessingby Rd.) / Bessingby Way (54.08350, -0.20864)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Broadfield North,
                England West Sussex United Kingdom  | 
            
                Creasys Dr. / Pelham Dr. / Pelham Pl. (51.09711, -0.20745)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Gossops Green,
                England West Sussex United Kingdom  | 
            
                Broadfield Roundabout [Horsham Rd. / Bewbush Dr. / Broadfield Dr.] (51.10333, -0.20732)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Gossops Green,
                England West Sussex United Kingdom  | 
            
                Cheals Roundabout [Crawley Ave. / Horsham Rd.] (51.10667, -0.20400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Pease Pottage,
                England West Sussex United Kingdom  | 
            
                Brighton Rd. / A23 SB Off-Ramp (51.06963, -0.20363)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            ||
| 
                Broadfield North,
                England West Sussex United Kingdom  | 
            
                Broadfield Dr. / Seymour Rd. / Rathlin Rd. (51.10101, -0.20355)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Broadfield South,
                England West Sussex United Kingdom  | 
            
                Tollgate Hill Roundabout [A264 / Tollgate Hill] (51.08769, -0.20270)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Broadfield South,
                England West Sussex United Kingdom  | 
            
                Woodmans Hill / Tollgate Hill / Creasys Dr. / Coachmans Dr. (51.09443, -0.20076)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Bolney,
                England West Sussex United Kingdom  | 
            
                London Rd. / A23 NB Ramps (50.98929, -0.19984)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Broadfield South,
                England West Sussex United Kingdom  | 
            
                Woodmans Hill / Iveagh Close (51.09630, -0.19943)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Pease Pottage,
                England West Sussex United Kingdom  | 
            
                Brighton Rd. / Horsham Rd. / Parish Ln. (51.08274, -0.19936)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Broadfield South,
                England West Sussex United Kingdom  | 
            
                Broadfield Dr. / Winfield Way / Woodsman Hill / Coachmans Dr. (51.09941, -0.19862)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            Grade-separated tunnels for pedestrians. |