Roundabouts Database Index

29410 Results

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City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Winston-Salem, NC Forsyth Co. United States	Baux Mountain Rd. / Winston-Salem Northern Beltway (NC 74) WB Ramps (36.18421, -80.22286)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2022	https://malmeroads.net/i7374nc/i74seg4.html
Winston-Salem, NC Forsyth Co. United States	Baux Mountain Rd. / Winston-Salem Northern Beltway (NC 74) EB Ramps (36.18202, -80.22303)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2022	Signed as NC 74 in 2023; will change to to I-74 when beltway completed in 2026. https://malmeroads.net/i7374nc/i74seg4.html
Poeldijk, South Holland Westland Netherlands	N211-E30 / Van Elswijkbaan / Paul Captijnlaan (52.03205, 4.22502)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Poeldijk, South Holland Westland Netherlands	Paul Captijnlaan / Verburghlaan / Arckelweg (52.02865, 4.23244)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Honselersdijk, South Holland Westland Netherlands	N213 / Bosweg / Boswoning (52.00587, 4.21178)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)		Turbo-roundabout.
Naaldwijk, South Holland Westland Netherlands	Grote Woerdlaan / Bosweg (52.00298, 4.20665)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Naaldwijk, South Holland Westland Netherlands	Oude Woerdlaan / Schiereiland / (parking) (52.00153, 4.20701)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Naaldwijk, South Holland Westland Netherlands	Verspycklaan / Grote Woerdlaan (51.99810, 4.21039)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Naaldwijk, South Holland Westland Netherlands	Van der Doortogestraat / Verdilaan / Kleine Woerdlaan (51.99657, 4.20736)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Naaldwijk, South Holland Westland Netherlands	Middel Broekweg / Pijle Tuinenweg / Laan van de Glazen Stad (51.99116, 4.21814)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Naaldwijk, South Holland Westland Netherlands	Kruisbroekweg / Secretaris Verhoeffweg / Zuidweg (51.98881, 4.20662)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Naaldwijk, South Holland Westland Netherlands	N467 (Galgeweg) / Kruisbroekweg / Vierschaar (51.98757, 4.19986)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
s-Gravenzande, South Holland Westland Netherlands	N467 (Naaldwijkseweg) / Dijckerwaal / Heenweg (51.98856, 4.18439)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
s-Gravenzande, South Holland Westland Netherlands	N467 (Naaldwijkseweg) / Koningin Julianweg / Naaldwijkseweg (51.99220, 4.16858)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
s-Gravenzande, South Holland Westland Netherlands	N220-E25 (Maasdijk) / N467 (51.98732, 4.16297)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
s-Gravenzande, South Holland Westland Netherlands	N220-E25 (Maasdijk) / Laan van de Heilige Lambertus (51.97808, 4.18599)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Maasdijk, South Holland Westland Netherlands	Honderdlaan / Blauwhek (51.96816, 4.21143)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Brownsburg, IN Hendricks Co. United States	S Green St. / Airport Rd. (39.82142, -86.40107)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	https://twitter.com/BrownsburgIN/status/1552378297249677312
Annemasse, Auvergne-Rhône-Alpes Haute-Savoie France	D2 / D46 (46.18647, 6.22208)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Gaillard, Auvergne-Rhône-Alpes Haute-Savoie France	D46 / Rue de l'Industrie (46.18230, 6.21508)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Gaillard, Auvergne-Rhône-Alpes Haute-Savoie France	D149 (Rue des Vignes-Rue du Chateau d'Eau) / Rue de l'Industrie / Cours de la Republique (46.18381, 6.21124)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Gaillard, Auvergne-Rhône-Alpes Haute-Savoie France	D149 (Rue du Château d'Eau - Rue du Martinet) / Rue de la Paix / Rue du Crest de Vaulx (46.18259, 6.20564)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Gaillard, Auvergne-Rhône-Alpes Haute-Savoie France	D149 / Rue du Lieutenant Yvan Genot (46.18354, 6.19539)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 25.0000	Other (At-Grade) Single-Lane		On France-Switzerland border.
Thônex, Geneva Geneva Switzerland	Avenue de Thonex / Chemin des Cyprès (46.18648, 6.19655)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Gaillard, Auvergne-Rhône-Alpes Haute-Savoie France	Rue René Cassin / Rue René Cassin / (parking) (46.17990, 6.21525)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Vétraz-Monthoux, Auvergne-Rhône-Alpes Haute-Savoie France	D1206 / Chemin des Trois Noyers / Chemin de la Loex (46.17940, 6.24488)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)		Reduced from 2x2 to 2x1 in 2016-2018.
Annemasse, Auvergne-Rhône-Alpes Haute-Savoie France	Place du Maréchal de Lattre de Tassigny: D1206 / Avenue du Léman (46.18267, 6.24620)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 2 Driveways	Other (At-Grade) Single-Lane		Transit center has direct access to and from circulatory roadway.
Annemasse, Auvergne-Rhône-Alpes Haute-Savoie France	Avenue de Verdun / Avenue de Leman (46.18286, 6.24087)	Signalized Roundabout/Circle Existing	All-Way Yield Other	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Median-running bus-only lane on north leg can make left turn at roundabout using signal-controlled bus-only lane through central island.
Annemasse, Auvergne-Rhône-Alpes Haute-Savoie France	Giratoire du Beulet (46.18973, 6.24949)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Reduced from 2x2 to single-lane in 2016-2018.
Annemasse, Auvergne-Rhône-Alpes Haute-Savoie France	Route de la Colline / Route de Livron (46.19029, 6.25094)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Annemasse, Auvergne-Rhône-Alpes Haute-Savoie France	D907 (Route de Taninges) / D1206 (Route de Thonon) Ramps / Rue du 18 Aout 1944 / Route de Livron (46.19144, 6.25080)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Annemasse, Auvergne-Rhône-Alpes Haute-Savoie France	D1206 (Route de Thonon) / Rue Clement Ader (46.19455, 6.25880)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Annemasse, Auvergne-Rhône-Alpes Haute-Savoie France	D1206 (Route de Thonon) / Rue des Esserts (46.19665, 6.26440)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Ville-la-Grand, Auvergne-Rhône-Alpes Haute-Savoie France	D1206 (Route de Thonon) / D150 (Rue des Voirons) (46.20048, 6.27516)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Ville-la-Grand, Auvergne-Rhône-Alpes Haute-Savoie France	Carrefour Paul Felder: D150 (Rue des Voirons) / Rue des Buchillons / Rue de Montréal / Rue Helene Boucher (46.20200, 6.27372)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ville-la-Grand, Auvergne-Rhône-Alpes Haute-Savoie France	D150 (Rue des Voirons) / Rue des Esserts (46.20110, 6.26420)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lille, Hauts-de-France Nord France	Rue Jean Perrin / N356 NB Ramps (50.62074, 3.08434)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Lille, Hauts-de-France Nord France	Place Jacques Febvrier (50.61761, 3.06121)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Lille, Hauts-de-France Nord France	Place Barthélémy Dorez (50.61833, 3.05000)	Other Existing	All-Way Yield Unknown	8 Approaches 0 Driveways	Other (At-Grade) Unknown
Lille, Hauts-de-France Nord France	Boulevard de Metz / Rue Saint-Bernard / (parking) (50.61913, 3.04336)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lille, Hauts-de-France Nord France	M750 (Boulevard de Metz) / Square Albert Samain (50.61943, 3.04108)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lille, Hauts-de-France Nord France	M750 / Boulevard de la Moselle / A25-E42 Ramps (50.62317, 3.02852)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Fretin, Hauts-de-France Nord France	M54 / M145 (50.56103, 3.12897)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Fretin, Hauts-de-France Nord France	M54 / D54 (Rue Léon Gambetta) (50.55538, 3.11582)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Avelin, Hauts-de-France Nord France	D54 / D917 (50.54777, 3.10019)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Avelin, Hauts-de-France Nord France	D54 (Rue de Lille) / Rue de la Monette / Rue d'Antroeuilles (50.54051, 3.08203)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Avelin, Hauts-de-France Nord France	D549 (Rue de Seclin) / Rue de Lille (50.53773, 3.08072)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Avelin, Hauts-de-France Nord France	D549 (Rue de Seclin) / Rue d'Attiches (50.54098, 3.07188)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 2 Driveways 65.0000	Other (At-Grade) Single-Lane
Seclin, Hauts-de-France Nord France	M549 (Route d'Avelin) / Les Six Bonniers / (unknown) (50.54409, 3.06000)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Seclin, Hauts-de-France Nord France	Rond-Point de l'Épinette: M549 (Route d'Avelin) / M925 / Avenue de l'Épinette (50.54807, 3.04859)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Nampa, ID Canyon Co. United States	Star Rd. / Cherry Ln. (43.61969, -116.49366)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2021	Merging right-turn bypass lanes on all legs.
Nampa, ID Canyon Co. United States	Ustick Rd. / Santa Ana Ave. (43.63404, -116.60317)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Near two schools.
Idaho Falls, ID Bonneville Co. United States	W 65th S / S 45th W / I-15 NB Ramps (43.43835, -112.12018)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022
Idaho Falls, ID Bonneville Co. United States	W 65th W / Saint John Rd. / I-15 SB Ramps (43.43962, -112.12198)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022
Kitahiroshima City, Hokkaido Japan	Nishinosato (42.99590, 141.51999)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2023	https://www.sorachi.pref.hokkaido.lg.jp/kk/skk/flink/133492.html
Avon, IN Hendricks Co. United States	E CR 100 S / (unknown) (39.74854, -86.36651)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Only two legs finished as of June 2022, but it looks like north and south legs will be added.
Avon, IN Hendricks Co. United States	E CR 100 S / CR 900 E (39.74857, -86.36160)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, unspecified)	2022
Avon, IN Hendricks Co. United States	E CR 100 S / Allpoints Ct. (39.74893, -86.34938)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.3880	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022
Laddonia, MO Audrain Co. United States	US 54 / MO 19 / CR J (39.28073, -91.64373)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2022	https://www.modot.org/node/27038
Fort Worth, TX Tarrant Co. United States	Ventana Pkwy. / Jerry Dunn Pkwy. (32.66820, -97.50849)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019).
Arlington, TX Tarrant Co. United States	Calender Rd. / Kuykendall Dr. (32.63263, -97.15398)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 30.4800	Other (At-Grade) Single-Lane	2022	2020-2022 (SV)
Arlington, TX Tarrant Co. United States	Curry Rd. / Calender Rd. (32.63423, -97.15629)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 33.5280	Other (At-Grade) Single-Lane	2022
Arlington, TX Tarrant Co. United States	Curry Rd. / Calender Rd. / Castlegate Ct. (32.63427, -97.15831)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2021
Arlington, TX Tarrant Co. United States	Curry Rd. / Ledbetter Rd. (32.63428, -97.16240)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2021
Arlington, TX Tarrant Co. United States	Russell Curry Rd. / Eden Rd. (32.63450, -97.17116)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2021
Crowley, TX Tarrant Co. United States	Gilbreath Ave. / Karis Blvd. (32.58992, -97.36040)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023
Mansfield, TX Ellis Co. United States	Hadley Ln. / (church access) (32.52005, -97.08558)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2017-2018).
Longview, TX Gregg Co. United States	Pals Pkwy / Cotton St. (E Harrison Rd.) (32.49576, -94.78002)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2005-2009).
Milton, ON Halton Canada	Campbellville Rd. / Campbell Ave. (43.49642, -79.97028)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2021-2022).
Cedar Rapids, IA Linn Co. United States	6th St. SW / (parking) (41.90137, -91.67614)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2021-2022).
Coralville, IA Johnson Co. United States	N Liberty Rd. NE / Forevergreen Rd. (41.72584, -91.57089)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.johnsoncountyiowa.gov/news/secondary-roads/2022-04-21/construction-north-liberty-and-forevergreen-roads-roundabout-begins
Coralville, IA Johnson Co. United States	(unknown) / (unknown) (41.72647, -91.56882)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2023
Fort Wayne, IN Allen Co. United States	Union Chapel Rd. / Parkview Plaza (41.20002, -85.10064)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	https://www.fwbusiness.com/fwbusiness/article_f4f95c16-cf7f-5063-b7fa-31833acc622f.html
Grand Island, NE Hall Co. United States	W Old Potash Hwy. / Claude Rd. (40.91712, -98.38794)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.facebook.com/garysautoinc/videos/the-roundabout-at-claude-road-and-old-potash-is-getting-closer-but-stilltake-a-l/1828703987312477/
Denver, CO Jefferson Co. United States	S Reed St. / S Pierce Way (39.68087, -105.07380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2017-2018).
Denver, CO Jefferson Co. United States	S Upham St. / S Evans Ave. (39.67841, -105.07776)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2016
Parker, CO Douglas Co. United States	Lincoln Meadows Pkwy. / S Twenty Mile Rd. (39.53380, -104.77565)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	Year Completed estimated (2003-2004).
Littleton, CO Douglas Co. United States	Chatfield Lake Rd. / N Roxborough Park Rd. (39.52660, -105.05232)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2020	Merging right-turn bypass lane on south leg.
Littleton, CO Douglas Co. United States	N Roxborough Park Rd. / Bright Sky Ln. (39.52370, -105.05422)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2020
Littleton, CO Douglas Co. United States	Chatfield Lake Rd. / Eagle River St. / (unknown) (39.51555, -105.04585)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2020
Lakewood Ranch, FL Sarasota Co. United States	Deer Dr. / Pine Warbler Pl. (27.36678, -82.41850)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2018	South leg has no lane use designations but has only one receiving circulating lane. Year Completed estimated (2017-2018).
Sarasota, FL Sarasota Co. United States	Coburn Rd. / (unknown) (27.33715, -82.43697)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2019	Yield-controlled right-turn bypass lane on north leg. Right-turn-only lane on east leg.
Lakewood Ranch, FL Sarasota Co. United States	(unknown) / (unknown) (27.38501, -82.39446)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2019
Federal Way, WA King Co. United States	Weyerhaeuser Way S / S 336th St. (47.30262, -122.29650)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2004	Opened July 2004. Painted spirals in circulatory roadway to guide all three left turns to outer circulating lane.
Cearfoss, MD Washington Co. United States	MD 63 / MD 58 / MD 494 (Cearfoss Pike) (39.70017, -77.77593)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	1995	Completed December 1995.
Lutherville-Timonium, MD Baltimore Co. United States	MD 139 (Charles St.) / Bellona Ave. (39.41790, -76.62900)	Roundabout Removed	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Multilane (2 Lane, unspecified)	1999	Two-lane circulatory roadway across northern half.
Iowa City, IA Johnson Co. United States	Sycamore St. SE / McCollister Blvd. (41.62554, -91.51193)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 41.1480	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016). Initially constructed with north and south legs, plus driveway to east. West leg added 2017-2019.
Cedar Falls, IA Black Hawk Co. United States	Greenhill Rd. / Cedar Heights Dr. (42.49805, -92.41128)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2021	Year Completed estimated (2021-2022).
Cedar Falls, IA Black Hawk Co. United States	Cedar Heights Dr. / Huntington Rd. (42.49125, -92.41124)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022
Cedar Falls, IA Black Hawk Co. United States	W Ridgeway Ave. / Goldfinch Dr. (42.46945, -92.44998)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2019	Year Completed estimated (2018-2020).
Conyers, GA Rockdale Co. United States	McDaniel Mill Rd. SW / Klondike Rd. SW (33.66000, -84.07537)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Single-Lane	2021
Stonecrest, GA DeKalb Co. United States	GA 212 (Browns Mill Rd.) / Salem Rd. (33.67657, -84.18566)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2021
Loganville, GA Walton Co. United States	Twin Lakes Rd. / (unknown) (33.82555, -83.88011)	Other Existing	Uncontrolled None	3 Approaches 1 Driveways 38.1000	Other (At-Grade) Single-Lane	2017
Loganville, GA Gwinnett Co. United States	Brushy Fork Rd. / Lilly Brook Dr. (33.84467, -83.94800)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2019	Painted splitter islands on northeast and southwest legs. Year Completed estimated (2018-2019).
Grayson, GA Gwinnett Co. United States	GA 84 (Grayson Pkwy.) / Ridgedale Dr. (33.86832, -83.98439)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2021-2022).
Brookhaven, GA DeKalb Co. United States	Windsor Pkwy. NE / Osborne Rd. NE (33.88073, -84.34226)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2021-2022).
Smyrna, GA Cobb Co. United States	Belmont Blvd. / Belmont Pl. SE (33.89147, -84.52132)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2013	Lane changes required for through movements or left turns to circulate or exit.
Smyrna, GA Cobb Co. United States	Ward St. SE / Belmont Blvd. (33.89155, -84.52734)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2013	Broken edge line across exits.
Marietta, GA Cobb Co. United States	John Ward Rd. / Irwin Rd. SW (33.91965, -84.62013)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 35.0520	Other (At-Grade) Single-Lane	2018	Dotted edge line across exits. Year Completed estimated (2018-2019).
Lawrenceville, GA Gwinnett Co. United States	Simonton Rd. / Park Place Dr. (33.93191, -83.96711)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2019-2020).