29954 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
Harrisburg, PA
Dauphin Co.
United States
Derry St. / Mulberry St.
(40.26312, -76.86948)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-lane w/ Traversable Central Island
2022 https://theburgnews.com/news/project-to-make-harrisburgs-mulder-square-safer-greener-nears-completion
Oakton, VA
Fairfax Co.
United States
Nutley St. SW / I-66 WB Exit Ramp
(38.87982, -77.26743)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max)
2023 Replaces full cloverleaf interchange. https://outside.transform66.org/about_the_project/project_sections/nutley.asp
Oakton, VA
Fairfax Co.
United States
Nutley St. SW / I-66 EB Exit Ramp
(38.87714, -77.26629)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max)
2023 Replaced full cloverleaf interchange. https://outside.transform66.org/about_the_project/project_sections/nutley.asp
Oakton, VA
Fairfax Co.
United States
Saintsbury Dr. / (transit center parking lot)
(38.87667, -77.26993)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0520
Other (At-Grade)
Single-Lane
2013 Serves Metro station. Right-turn-only lanes on east and west legs. South leg stubbed. Year Completed estimated (2012-2014).
Oakton, VA
Fairfax Co.
United States
Saintsbury Dr. / (transit center parking garage)
(38.87600, -77.27317)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2013 Serves Metro station. Right-turn-only lanes on northeast and southwest legs. Southeast leg stubbed. Year Completed estimated (2012-2014).
Fairfax, VA
Fairfax Co.
United States
Patriot Cir. / Mason Pond Dr.
(38.82981, -77.31152)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2008
Brayton, IA
Cass Co.
United States
710th St. / 350th St.
(41.50440, -94.83505)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Cottonwood tree in center of intersection. On Audubon County-Cass County Line. https://www.roadsideamerica.com/tip/8830
Cedar Rapids, IA
Linn Co.
United States
16th Ave. SE / 5th St. SE
(41.97092, -91.65498)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2017 Year Completed estimated (2017-2019).
Le Boulou, Occitanie
Pyrénées-Orientales
France
D115 / A9-E15 Ramps / El place
(42.52147, 2.81713)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
Saint-Jean-Pla-de-Corts, Occitanie
Pyrénées-Orientales
France
D115 / D900
(42.52064, 2.80619)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Le Boulou, Occitanie
Pyrénées-Orientales
France
Rond-Point de l'Ordre National du Mérite: D115 / D618 / Boulevard du Maréchal Foch / Zone de l'Autoport / Route de Céret
(42.52102, 2.82225)
Roundabout
Existing
All-Way Yield
Unknown
6 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Saint-Jean-Pla-de-Corts, Occitanie
Pyrénées-Orientales
France
D900 / (unknown)
(42.52540, 2.80615)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Saint-Jean-Pla-de-Corts, Occitanie
Pyrénées-Orientales
France
Rond-Point de Saint-Sébastien: D115 / D13 / Rue Résidences du Soleil
(42.51471, 2.78701)
Roundabout
Existing
All-Way Yield
Unknown
5 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Saint-Jean-Pla-de-Corts, Occitanie
Pyrénées-Orientales
France
D13 / Rue de la Poste / Rue de l'Ancienne Poste
(42.51149, 2.79007)
Other
Existing
Other
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Middletown, DE
New Castle Co.
United States
Brick Mill Rd. / Dove Run Centre Dr.
(39.45413, -75.68672)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
24.3840
Other (At-Grade)
Single-lane w/ Traversable Central Island
2022
Baton Rouge, LA
East Baton Rouge Par.
United States
The Grove Blvd. / (parking)
(30.38708, -91.07573)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2018
Cabocan, Sal
Nossa Senhora Das Dores
Cape Verde
EN1-SL-01 / (unknown)
(16.60403, -22.91096)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
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)
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.
(unknown), Sal
Nossa Senhora Das Dores
Cape Verde
(unknown) / (unknown)
(16.61542, -22.92381)
Unknown
Existing
Unknown
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Palha Verde, Sal
Nossa Senhora Das Dores
Cape Verde
EN1-SL-01
(16.62934, -22.91696)
Roundabout
Existing
All-Way Yield
Unknown
2 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
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
Murdeira, Sal
Nossa Senhora Das Dores
Cape Verde
EN1-SL-01 / (unknown)
(16.67908, -22.93371)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Ribeira Funda, Sal
Nossa Senhora Das Dores
Cape Verde
EN1-SL-01
(16.70636, -22.93886)
Roundabout
Existing
All-Way Yield
Unknown
2 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Espargos, Sal
Nossa Senhora Das Dores
Cape Verde
EN1-SL-01 / (airport entrance)
(16.73751, -22.94333)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Espargos, Sal
Nossa Senhora Das Dores
Cape Verde
EN1-SL-01 / EN3-SL-02
(16.74832, -22.94418)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
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
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
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/
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
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
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
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.
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
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
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
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.
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.
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
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
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
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
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
Thornton, CO
Adams Co.
United States
Tamarac St. / E 129th Ave. / Tamarac Way
(39.93026, -104.89660)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2005 Year Completed estimated (2004-2005).
Thornton, CO
Adams Co.
United States
131st Ave. / Oneida St.
(39.93268, -104.90764)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2005 Year Completed estimated (2004-2005).
Thornton, CO
Adams Co.
United States
Holly Cir. / Jasmine St.
(39.92580, -104.91863)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2005 Year Completed estimated (2004-2005).
Henderson, CO
Adams Co.
United States
Henderson Rd. / E 124th Ave. / Park Blvd.
(39.92505, -104.87550)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2022 Merging right-turn bypass lanes on north and east legs. https://adcogov.org/henderson-rd-park-blvd-roundabout-project
Brighton, CO
Adams Co.
United States
Southgate Blvd. / Gateway St.
(39.91320, -104.83390)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2018 Year Completed estimated (2018-2019).
Commerce City, CO
Adams Co.
United States
E 119th Ave. / Oakland St. / (unknown)
(39.91279, -104.84949)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
2004 Year Completed estimated (2003-2004). East leg added 2008-2010.
Commerce City, CO
Adams Co.
United States
E 121st Ave. / Jasper St.
(39.91627, -104.80425)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2003