| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Bamber Bridge,
                England Lancashire United Kingdom  | 
            
                Bamber Bridge Interchange: A6 (Lostock Ln. - Church Rd.) / M6 Ramps (53.71899, -2.65684)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)  |   
            ||
| 
                Clayton-Le-Woods,
                England Lancashire United Kingdom  | 
            
                Clayton Brook Interchange: M61 Ramps / M65 Ramps (53.71832, -2.62983)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal Metering Signal  | 
            
                5 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            ||
| 
                Platt Bridge,
                England Greater Manchester United Kingdom  | 
            
                Liverpool Rd. / Walthew Ln. (53.52042, -2.59802)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Haydock,
                England Merseyside United Kingdom  | 
            
                A58 (Stanley Bank Way) / A599 (Vicarage Rd.) / Stanley Bank Farm (53.47029, -2.69306)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Sutton,
                England Merseyside United Kingdom  | 
            
                A569 (Scorecross - Marshalls Cross Rd.) / Marshalls Cross Rd. (53.43679, -2.72284)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Sutton,
                England Merseyside United Kingdom  | 
            
                Marshalls Cross Rd. / Robins Ln. (53.43755, -2.72172)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Daresbury,
                England Halton United Kingdom  | 
            
                Innovation Way / Keckwick Ln. (53.34334, -2.63590)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Warrington,
                England Warrington United Kingdom  | 
            
                 Longshaw St. / Lilford Ave. (53.40373, -2.60428)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Warrington,
                England Warrington United Kingdom  | 
            
                Orford Ln. / Marsh House Ln. / Battersby Ln. (53.39876, -2.58453)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Woolston,
                England Warrington United Kingdom  | 
            
                Woolston Interchange: A57 (Manchester Rd.) / M6 NB Ramps / Woolston Grange Ave. (53.39802, -2.51270)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            ||
| 
                Woolston,
                England Warrington United Kingdom  | 
            
                Woolston Interchange: A57 (Manchester Rd.) / M6 BB Ramps / Juniper Ln. (53.39857, -2.50769)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 2 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Warrington,
                England Warrington United Kingdom  | 
            
                Poplars Ave. / Capesthorne Rd. (53.41071, -2.57517)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Warrington,
                England Warrington United Kingdom  | 
            
                Sandy Ln. / Northway / Howson Rd. (53.41312, -2.58875)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Birchwood,
                England Warrington United Kingdom  | 
            
                Birchwood Interchange: A574 (Birchwood Way) / M62 Ramps / Silver Ln. (53.43501, -2.50011)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Metering Signal  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            Oval shaped. | |
| 
                Rainhill,
                England Merseyside United Kingdom  | 
            
                Rainhill Stoops Interchange: A57 (Warrington Rd.) / A557 (Watkinson Way) / A570 (James Roby Way) / M62 Ramps (53.40340, -2.74570)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal None  | 
            
                6 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            ||
| 
                Farnworth,
                England Halton United Kingdom  | 
            
                A5080 (Mill Ln.) / A557 (Watkinson Way) Ramps (53.38731, -2.71509)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            ||
| 
                Farnworth,
                England Halton United Kingdom  | 
            
                Derby Road Roundabout: A5080 (Derby Rd. - Mill Ln.) / Lunts Heath Rd. / Moorfield Rd. / (parking) (53.38606, -2.71554)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Widnes,
                England Halton United Kingdom  | 
            
                Dans Road Roundabout: A562 (Dans Rd. / Fiddlers Ferry Rd.) / B5178 (Warrington Rd.) / Gorsey Ln. / Barrow's Green Ln. (53.37425, -2.70602)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 83.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Halton,
                England Halton United Kingdom  | 
            
                Runcorn Spur Road Roundabout: A533 (Central Expressway) Ramps / B5155 (Runcorn Spur Rd.) / Halton Link Rd. (53.32954, -2.70378)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Murdishaw,
                England Halton United Kingdom  | 
            
                Southern Expressway Roundabout: A533 (Southern Expressway / Chester Rd.) / Murdishaw Ave. (53.31451, -2.67167)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            Oval shaped. | |
| 
                Preston Brook,
                England Halton United Kingdom  | 
            
                Whitehouse Roundabout: A533 (Chester Rd. / Northwich Rd.) / A56 (Chester Rd.) (53.31378, -2.66436)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Murdishaw,
                England Halton United Kingdom  | 
            
                Murdishaw Ave. / Barnfield Ave, (53.31813, -2.66907)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Halton,
                England Halton United Kingdom  | 
            
                A533 (Southern Expressway) Ramps / Hallwood Link Rd. (53.31920, -2.70015)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Beechwood,
                England Halton United Kingdom  | 
            
                Clifton Roundabout: A557 (Rocksavage Expressway) / M56 WB Ramps / Clifton Rd. (53.30998, -2.70091)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)  |   
            ||
| 
                Beechwood,
                England Halton United Kingdom  | 
            
                Rocksavage Roundabout: A557 (Rocksavage Expressway) / M56 EB Ramps / Weaver View (53.31317, -2.70697)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal Metering Signal  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            Hamburger shaped. | |
| 
                Rocksavage,
                England Halton United Kingdom  | 
            
                Cavendish Farm Rd. / Rocksavage Way (53.31845, -2.73424)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            ||
| 
                Preston Brook,
                England Halton United Kingdom  | 
            
                Preston Brook Interchange: M56 Ramps / A56 / Chester Rd. (53.32704, -2.64343)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal None  | 
            
                5 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            ||
| 
                Warrington,
                England United Kingdom  | 
            
                A574 (Cromwell Ave.) / Westbrook Way (53.40949, -2.62855)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Grade separated pedestrian crossing from all four quadrants intersecting over central island. | |
| 
                Warrington,
                England United Kingdom  | 
            
                Whittle Avenue Roundabout: A5281 (Whittle Ave. / Burtonwood Rd.) / Whittle Ave. / Westbrook Way / Fortress Blvd. (53.40726, -2.64444)  | 
            
                Rotary Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            ||
| 
                Warrington,
                England United Kingdom  | 
            
                A5281 (Whittle Ave.) / Lingley Green Ave. / Stanhoe Dr. / Malvern Close (53.40289, -2.64858)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Warrington,
                England United Kingdom  | 
            
                Westbrook Way / Westbrook Crescent (53.40909, -2.63703)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Pedestrian overcrossing through central island. | |
| 
                Warrington,
                England United Kingdom  | 
            
                Rodney Island: Winwick St. / Winwick Rd. / Pinners Brow (53.39431, -2.59388)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 1 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Warrington,
                England United Kingdom  | 
            
                Sankey Green: A57 (Sankey Way - Priesley St.) / A5061 (Sankey Way) / Lovely Ln. / Old Liverpool Rd. (53.38884, -2.61098)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal Pedestrian Signal (red-yellow-green to drivers)  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            ||
| 
                Warrington,
                England United Kingdom  | 
            
                Sankey Roundabout: A57 (Sankey Way) / A562 (Penketh Rd.) (53.38779, -2.63535)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            ||
| 
                Penketh,
                England Warrington United Kingdom  | 
            
                Farnworth Road Roundabout: A562 (Widnes Rd.) / A5080 (Farnworth Rd.) / The Park (53.38192, -2.66653)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Princeton Junction,
                NJ Mercer Co. United States  | 
            
                Washington Rd. / Princeton Hightstown Rd. (40.32083, -74.62315)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2024 | Roundabout located 300 ft north of old intersection. | 
| 
                Interlaken,
                NJ Monmouth Co. United States  | 
            
                Main St. / Grassmere Ave. (40.23195, -74.00802)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)  | 
            
                3 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | At-grade rail crossing (two tracks) located 110 ft to west. Year Completed estimated (2016-2017). | 
| 
                Westerville,
                OH Delaware Co. United States  | 
            
                SR 605 / Fancher Rd. (40.13242, -82.80976)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2024 | |
| 
                Johnstown,
                OH Licking Co. United States  | 
            
                Green Chapel Rd. / Mink St. (40.12321, -82.69688)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2024 | |
| 
                Johnstown,
                OH Licking Co. United States  | 
            
                Green Chapel Rd. / (unknown) (40.12333, -82.70509)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 50.2920  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2024 | |
| 
                New Albany,
                OH Licking Co. United States  | 
            
                Green Chapel Rd. / (unknown) (40.12385, -82.71205)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 50.2920  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2024 | |
| 
                Johnstown,
                OH Licking Co. United States  | 
            
                Mink St. / (unknown) (40.10488, -82.70700)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 50.2920  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2024 | |
| 
                McKinney,
                TX Collin Co. United States  | 
            
                E Virginia St. / N Throckmorton St. (33.19801, -96.60863)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.5277  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | |
| 
                McKinney,
                TX Collin Co. United States  | 
            
                Wilmeth Rd. / Lake Forest Dr. (33.23242, -96.67934)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 50.2920  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2025 | |
| 
                McKinney,
                TX Collin Co. United States  | 
            
                Wilmeth Rd. / Hardin Blvd. (33.23223, -96.65209)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 56.3880  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2025 | |
| 
                Buffalo,
                MN Wright Co. United States  | 
            
                STH 25 / CSAH 83 (35th St. NE) (45.20141, -93.86692)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 42.6717  | 
            
                Other (At-Grade) Single-Lane  |   
            2024 | |
| 
                Tulare,
                CA Tulare Co. United States  | 
            
                SR 137 (E Tulare Ave.) / Morrison St. (36.21093, -119.30330)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | https://www.facebook.com/100082142657015/posts/ccme-is-in-the-final-stages-of-the-tulare-avestate-hwy-137-roundabout-project-fo/700819749332774/ | 
| 
                Bothell,
                WA Snohomish Co. United States  | 
            
                Meridian Ave. S / 240th St. SE / 240th St. SW (47.78041, -122.23298)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.4320  | 
            
                Other (At-Grade) Single-Lane  |   
            2024 | https://bothellwa.gov/2001/Meridian-Ave-S-and-240th-St-SE-Roundabou | 
| 
                Fitchburg,
                WI Dane Co. United States  | 
            
                S Seminole Hwy. / Lacy Rd. (43.00116, -89.45924)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | https://www.wmtv15news.com/2023/11/17/lacy-road-construction-is-complete-with-added-speed-reductions/ | 
| 
                Palmetto,
                GA Fulton Co. United States  | 
            
                Fayetteville Rd. / Phipps Rd. (33.51449, -84.65766)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | |
| 
                Bowling Green,
                KY Warren Co. United States  | 
            
                Ashley Cir. / Westen St. (36.96894, -86.43656)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | https://www.wbko.com/2023/06/20/construction-begins-roundabout-ashley-circlewesten-street-intersection/ | 
| 
                Bowling Green,
                KY Warren Co. United States  | 
            
                Westen St. / Patrick Way (36.96519, -86.44527)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2024 | https://www.youtube.com/watch?v=degpDxeAwUM | 
| 
                Bowling Green,
                KY Warren Co. United States  | 
            
                Westen St. / Highland Way (36.96372, -86.44766)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2024 | https://www.facebook.com/citybgky/posts/the-westen-street-and-highland-way-roundabout-project-was-anticipated-to-have-be/906701484824529/ | 
| 
                Charlotte,
                NC Mecklenburg Co. United States  | 
            
                Lakeview Rd. / Reames Rd. (35.33246, -80.85242)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 48.7680  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | Yield-controlled right-turn bypass lane on northeast leg. https://www.charlottenc.gov/Growth-and-Development/Projects/CNIPSunset/Lakeview-Reames | 
| 
                Joplin,
                MO Jasper Co. United States  | 
            
                E Zora St. / Hall St. / Duquesne Rd. (37.11261, -94.45761)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | https://www.facebook.com/JoplinNewsFirst/videos/koamtrafficalert-roundabout-opens-at-zoraduquesnehall-to-all-traffic/1644473069823426/ | 
| 
                Hanover,
                MN Wright Co. United States  | 
            
                CSAH 19 (Labeaux Ave. NE) / CSAH 34 (Beebe Lake Rd. NE) (45.16175, -93.66604)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2024 | |
| 
                Marysville,
                WA Snohomish Co. United States  | 
            
                SR 529 (48.04425, -122.18013)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | |
| 
                Hurricane,
                UT Washington Co. United States  | 
            
                S Sand Hollow Rd. / Gateway Blvd. (37.16339, -113.37305)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 82.2960  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2025 | Add-lane right-turn bypass lane on north leg. Merging right-turn bypass lane on west leg. | 
| 
                Hurricane,
                UT Washington Co. United States  | 
            
                Sand Hollow Resort Pkwy. / Retreat Dr. (37.11581, -113.39937)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Yield-controlled right-turn bypass lane on east leg. Year Completed estimated (2006-2009). | 
| 
                Santa Clarita,
                CA Los Angeles Co. United States  | 
            
                Lost Canyon Rd. / Humphreys Pkwy. / Jakes Way (34.41385, -118.44083)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Year Completed estimated (2018-2019). | 
| 
                Santa Clarita,
                CA Los Angeles Co. United States  | 
            
                Humphreys Pkwy. (34.41365, -118.43763)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 1 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            No splitter islands. | |
| 
                Santa Clarita,
                CA Los Angeles Co. United States  | 
            
                Grand Ln. / Vista Canyon Rd. (34.41431, -118.43437)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Santa Clarita,
                CA Los Angeles Co. United States  | 
            
                Grand Ln. / Provo Ln. (34.41741, -118.43096)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                2 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                E Mulberry Street Frontage Rd. / Greenfield Dr. (40.58247, -105.01497)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2024 | |
| 
                Timnath,
                CO Larimer Co. United States  | 
            
                Buss Grove Rd. (CR 40) / Timnath Pkwy. (40.53741, -104.97702)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 57.9120  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2024 | |
| 
                Timnath,
                CO Larimer Co. United States  | 
            
                2nd Ave. / Signal Tree Dr. (40.52405, -104.97700)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | |
| 
                Timnath,
                CO Larimer Co. United States  | 
            
                Weitzel St. / Swetsville Zoo Rd. (40.51930, -104.98815)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 48.7680  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2022 | Year Completed estimated (2021-2023). | 
| 
                Greeley,
                CO Weld Co. United States  | 
            
                W F St. / N 35th Ave. (40.44090, -104.73501)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)  | 
            
                4 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | Right-turn-only lane and two-lane exit on south leg. At-grade rail crossing approximately 260 feet to north. Year Completed estimated (2021-2023). | 
| 
                Greeley,
                CO Weld Co. United States  | 
            
                W C St. / N 35th Ave. (40.43739, -104.73495)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.2440  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2022 | Year Completed estimated (2021-2023). | 
| 
                Berthoud,
                CO Larimer Co. United States  | 
            
                CR 8 / CR 21 (40.30512, -105.13134)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | https://www.larimer.gov/sites/default/files/2023-safety-report-final-20240806.pdf (page 20) | 
| 
                Estes Park,
                CO Larimer Co. United States  | 
            
                US 36 (N Saint Vrain Ave.) / Community Dr. (40.37449, -105.49980)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 48.7680  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2022 | Year Completed estimated (2019-2024). | 
| 
                Estes Park,
                CO Larimer Co. United States  | 
            
                US 36 / US 34 Business / Crags Dr. (40.37248, -105.52360)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2022 | Elliptical shaped. Replaced two two-way stop-controlled intersections. ICD = 120 ft x 95 ft. Year Completed estimated (2019-2024). | 
| 
                Johnstown,
                CO Weld Co. United States  | 
            
                SH 60 / Gateway Cir. (40.33527, -104.98559)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 59.4360  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2024 | Primary access to large travel and fuel center. Year Completed estimated (2023-2024). | 
| 
                La Salle,
                CO Weld Co. United States  | 
            
                CR 44 / US 85 SB Ramps (40.30821, -104.74948)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 53.3400  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2024 | https://www.9news.com/article/traffic/us-85-colorado-new-interchange/73-2b7e4e5d-a889-4452-8d39-477c814991d0 | 
| 
                Longmont,
                CO Boulder Co. United States  | 
            
                Harvest Moon Dr. / (parking) / (unknown) (40.15101, -105.08420)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | Right-turn-only lane and two-lane exit on north leg. Year Completed estimated (2022-2023). | 
| 
                Lochbuie,
                CO Adams Co. United States  | 
            
                E 168th Ave. / Frontage Rd. (40.00051, -104.71769)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.8160  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2020 | Ellipitcal shaped. ICD = 170 ft x 140 ft. | 
| 
                Broomfield,
                CO Adams Co. United States  | 
            
                W 122nd Ave. / N Park Centre Dr. (39.92089, -105.01002)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | North leg stubbed. Year Completed estimated (2001-2003). | 
| 
                Thornton,
                CO Adams Co. United States  | 
            
                Washington Center Pkwy. / Lafayette St. (39.91876, -104.97204)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Year Completed estimated (1999-2002). | 
| 
                Thornton,
                CO Adams Co. United States  | 
            
                Riverdale Rd. / Quebec St. (39.91040, -104.90320)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 35.0520  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | |
| 
                Westminster,
                CO Adams Co. United States  | 
            
                W 117th Ave. / Quitman St. (39.90885, -105.04229)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | |
| 
                Aurora,
                CO Arapahoe Co. United States  | 
            
                Copperleaf Blvd. / Radcliff Pkwy. (39.63537, -104.72624)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.8640  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2022 | Year Completed estimated (2022-2023). | 
| 
                Westerville,
                OH Franklin Co. United States  | 
            
                Little Turtle Way W / Longrifle Rd. (40.08322, -82.87865)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.2440  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2023 | Yield-controlled right-turn bypass lane on south leg. | 
| 
                Castle Rock,
                CO Douglas Co. United States  | 
            
                Mikelson Blvd. / Mitchell St. (39.36622, -104.79813)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2024 | https://www.youtube.com/watch?v=QkZTn1X4oAY | 
| 
                Castle Rock,
                CO Douglas Co. United States  | 
            
                Crystal Valley Pkwy. / S Wilcox St. / E Frontage Rd. / I-25 NB Exit Ramp (39.33865, -104.87343)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                5 Approaches 0 Driveways 60.9600  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)  |   
            2024 | https://www.crgov.com/3131/Crystal-Valley-Interchange. Partially open in November 2024. | 
| 
                Castle Rock,
                CO Douglas Co. United States  | 
            
                E Montaine Cir. / Quarry Mesa Dr. (39.32630, -104.85197)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | |
| 
                Black Forest,
                CO El Paso Co. United States  | 
            
                SR 50 (Walker Rd.) / Jane Lundeen Dr. (39.09974, -104.76828)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 54.8637  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2023 | Double left turn on south leg. Right-turn-only on west leg. | 
| 
                Falcon,
                CO El Paso Co. United States  | 
            
                Falcon Market Pl. / Woodmen Frontage Rd. / E Woodmen Rd. (38.94134, -104.61192)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | |
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Meridian Sol Dr. / Swingline Rd. (38.93013, -104.60820)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | Elliptical shaped. ICD = 130 ft x 105 ft. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Meadow Brook Pkwy. / Newt Dr. (38.84432, -104.69242)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.4317  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | |
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                S Troy Hill Rd. / Joystone Dr. (38.82702, -104.72760)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | |
| 
                Santa Barbara,
                CA Santa Barbara County United States  | 
            
                E Cabrillo Blvd. / Los Patos Way / Channel Dr. (34.42133, -119.65642)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | https://keyt.com/lifestyle/travel/2025/05/28/new-cabrillo-and-los-patos-roundabout-project-opens-up/ | 
| 
                Vista,
                CA San Diego County United States  | 
            
                Foothill Dr. / Oak Dr. (north) (33.21634, -117.22192)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | Elliptical shaped. Part of closely spaced pair of roundabouts. https://www.youtube.com/watch?v=Imr8lxz23dc | 
| 
                Vista,
                CA San Diego County United States  | 
            
                Foothill Dr. / Oak Dr. (south) (33.21602, -117.22114)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | Part of closely spaced pair of roundabouts. | 
| 
                New Castle,
                CO Garfield County United States  | 
            
                US 6 / Castle Valley Blvd. (39.56797, -107.51604)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2025 | https://kdvr.com/news/local/new-multi-lane-roundabout-at-intersection-of-us-6-and-castle-valley-road/ | 
| 
                Brainerd,
                MN Crow Wing Co. United States  | 
            
                CSAH 49 (Wise Rd.) / Beaver Dam Rd. (46.38448, -94.22428)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 44.1960  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | |
| 
                Philadelphia,
                PA Philadelphia Co. United States  | 
            
                S 20th St. / Penrose Ave. / Packer Ave. / W Moyamensing Ave. (39.91297, -75.18205)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways 47.2440  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | Features separated bicycle lanes. | 
| 
                Punta Gorda,
                FL Charlotte Co. United States  | 
            
                US 41 (Tamiami Trl.) / Carmalita St. (26.92980, -82.04751)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2025 | https://www.gulfshorebusiness.com/gb_daily/new-downtown-roundabout-opens-in-punta-gorda/ | 
| 
                Toa Alta,
                Toa Alta Municipio Ortíz Barrio Puerto Rico  | 
            
                Avenida los Palacios / Calle Guajataca (18.34875, -66.20882)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            Circle existed in 2016 but without controlling signs; by 2024 Yield signs had been added. | |
| 
                Toa Alta,
                Toa Alta Municipio Ortíz Barrio Puerto Rico  | 
            
                Avenida Los Palacios / Ave. Palacios Reales / Ave. Palacios de Marbella (18.34576, -66.20688)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            Circle existed in 2016 but with stop signs on two approaches; no controls on the other two. Yield signs on all approaches in 2024. | |
| 
                Richmond,
                VA Richmond City United States  | 
            
                Maury St. / E 4th St. / I-95 Ramps (37.52145, -77.43415)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 50.2920  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2022 | E 4th St. is one-way into roundabout on northwest leg. |