Roundabouts Database Index

29411 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
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Boulder Dr. (42.51312, -92.43821)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.4202	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Oxford, MS Lafayette Co. United States	University Ave. / Buddy East Pkwy. (34.35955, -89.48755)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.oxfordms.net/university-avenue-at-highway-6-closed-beginning-may-28th
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Cedar Heights Dr. (42.50672, -92.41123)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.0987	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Waterloo, IA Black Hawk Co. United States	University Ave. / Fletcher Ave. (42.49612, -92.36709)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.9120	Other (At-Grade) Multilane (2 Lane, unspecified)	2021
Gwynneville , NSW Wollongong Australia	University Ave. / Foleys Ln. (-34.41091, 150.88624)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Greenhill Rd. (42.50253, -92.47488)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.9817	Other (At-Grade) Single-Lane	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=922&ARC=2213 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Holiday Rd. (42.51304, -92.43342)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.7362	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Troy, AL Pike Co. United States	University Ave. / Luther Dr. (31.79906, -85.95933)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2010-2011). Luther Dr is called International Blvd on Google Maps. ICD estimated from Google Earth.
Troy, AL Pike Co. United States	University Ave. / Luther Dr. (Veterans Memorial Dr.) (31.79810, -85.95395)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2019-2022).
Gwynneville, NSW Wollongong Australia	University Ave. / M1 (Princes Motorway) SB Ramps (-34.41088, 150.88345)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-lane w/ Traversable Central Island
Berkeley, CA Alameda Co. United States	University Ave. / Marina Blvd. (37.86518, -122.31113)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2022	https://www.berkeleyside.org/2022/06/16/berkeley-marina-university-avenue-repaved
Cedar Falls, IA Black Hawk Co. United States	University Ave. / SR 27-SR 58 NB Ramps (42.51311, -92.44268)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.4202	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	Raindrop shape. http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / SR 27-SR 58 SB Ramps (42.51311, -92.44391)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.8558	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	Raindrop shape. http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Waterloo Rd. (42.51304, -92.42713)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.8558	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Durack, NT Palmerston Australia	University Ave. / Woodlake Blvd. / Dwyer Circuit (-12.47993, 130.97595)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ames, IA Story Co. United States	University Blvd. (530th Ave.) / Collaboration Pl. (41.99049, -93.63918)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 36.3954	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Ames, IA Story Co. United States	University Blvd. (530th Ave.) / Cottonwood Rd. (41.99366, -93.63921)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 37.2812	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Dublin, OH Franklin Co. United States	University Blvd. / (unknown) (40.09681, -83.16949)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	University Blvd was re-aligned to this location. https://dublinohiousa.gov/construction-updates/university-boulevard-phase-2-construction/
Ames, IA Story Co. United States	University Blvd. / Airport Rd. / Oakwood Rd. (41.99735, -93.63922)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.3798	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Free-flow right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
Evansville, IN Vanderburgh Co. United States	University Blvd. / Clarke Ln. (37.96547, -87.67660)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.1377	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Lynchburg, VA Lynchburg City Co. United States	University Blvd. / Liberty University Dr. (37.35297, -79.17498)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2019).
Warner Robins, GA Houston Co. United States	University Blvd. / Martin Luther King Jr Blvd. (32.61346, -83.60892)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.1985	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Jacksonville, FL Duval Co. United States	University Blvd. / Merrill Rd. / (parking) (30.35164, -81.60257)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2022	Turbo roundabout. https://www.actionnewsjax.com/news/local/duval-county/have-you-noticed-new-roundabout-arlington-details-why-it-was-built/3VDRL6EQ35B7JI2YFQYYB5ONUA/.
Suffolk, VA United States	University Blvd. / Prices Fork Blvd. (36.87088, -76.41873)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.3517	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Conway, SC Horry Co. United States	University Blvd. / Technology Blvd. (33.79577, -79.00601)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7157	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	Previously controlled by one-way stop ICD estimated from Google Maps linework.
Lynchburg, VA Lynchburg City Co. United States	University Blvd. / Williams Stadium Rd. (37.35301, -79.17631)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 17.0890	Other (At-Grade) Single-lane w/ Traversable Central Island	2015	Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	University Ct / University Pkwy (41.71383, -91.60093)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.5531	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Fairfax, VA City of Fairfax United States	University Dr. / (parking) (38.86028, -77.30428)	Roundabout Existing	All-Way Yield None	2 Approaches 3 Driveways 27.4320	Other (At-Grade) Single-Lane	2022	https://www.youtube.com/watch?v=UwmJSdActdk
Callaghan, NSW Newcastle Australia	University Dr. / (university entrance) (-32.89687, 151.69744)	Roundabout Existing	All-Way Yield Metering Signal	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Newcastle, NSW Newcastle Australia	University Dr. / A37 (Newcastle Inner City Bypass) Ramps (-32.89675, 151.69487)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Montgomery, AL Montgomery Co. United States	University Dr. / East Dr. / (parking lot) (32.36779, -86.17373)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.3593	Other (At-Grade) Single-Lane	2010	Entrance to Auburn University Montgomery (AUM). Year completed estimated (2008-2011). ICD estimated from Google Maps linework.
Amherst, MA Hampshire Co. United States	University Dr. / Fearing St. / (parking) (42.38077, -72.53192)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.4317	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	Serves University of Massachusetts Parking Lot 21.
Berkeley, CA Alameda Co. United States	University Dr. / Hilgard Way (37.87213, -122.26356)	Other Existing	Other Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Stop control on two of three legs.
Meadowbrook, QLD Logan Australia	University Dr. / M6 (Logan Motorway) EB Ramps / Meadowbrook Dr. (-27.66400, 153.14294)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Highland Heights, KY Campbell Co. United States	University Dr. / Sunset Dr. / 3 Mile Rd. / North Connector Rd. (39.04023, -84.46455)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.5267	Other (At-Grade) Unknown	2017	ICD estimated from Google Maps linework.
Miami, FL Miami-Dade Co. United States	University Dr. / SW 112th Ave. (25.75937, -80.37617)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.9501	Other (At-Grade) Single-Lane	2014	On Florida International University campus. ICD estimated from Google Maps linework.
Collegedale, TN Hamilton Co. United States	University Dr. / Taylor Cir. (35.04776, -85.04983)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2010	On campus of Southern Adventist University. Fountain in central island. Year Completed estimated (2008-2010).
Rolla, MO Phelps Co. United States	University Dr. / White Columns Dr. / Nagogami Rd. / I-44 WB Ramps (37.95683, -91.78285)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.6096	Freeway Ramps (Grade-Separated) Single-Lane	2007	ICD estimated from Google Maps linework.
Saint Cloud, MN Stearns Co. United States	University Dr. S / 5th Ave. S (45.54947, -94.15455)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.1097	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Lethbridge, AB Alberta Canada	University Dr. W / Sunridge Blvd. / 40 Ave. W (49.65489, -112.86879)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2005-2012).
Fridley, MN Anoka Co. United States	University East Service Rd. / Locke Pkwy. NE (45.09433, -93.26262)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2019
Colorado Springs, CO El Paso Co. United States	University of Colorado - Colorado Springs (38.89215, -104.80190)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 36.2537	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Jacksonville, FL Duval Co. United States	University of North Florida access (30.26963, -81.50950)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 29.9134	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Jacksonville, FL Duval Co. United States	University of North Florida N Entrance Rd (30.27627, -81.50918)	Roundabout Existing	All-Way Yield None	2 Approaches 1 Driveways 36.1000	Other (At-Grade) Single-Lane	2002	Functional Class: Local ICD estimated from Google Maps linework.
Jacksonville, FL Duval Co. United States	University of North Florida N Entrance Rd. / North-South Rd. (30.27613, -81.51447)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 27.8486	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Bluffton, SC Beaufort Co. United States	University Pkwy. / Dormitory Rd. (32.30546, -80.98452)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Bluffton, SC Beaufort Co. United States	University Pkwy. / Park Blvd. (32.30521, -80.99102)	Other Existing	Unknown Unknown	3 Approaches 2 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on two legs.
Macon, GA Bibb Co. United States	University Pkwy. / Romeiser Dr. (32.80922, -83.72938)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.mga.edu/news/2020/08/macon-campus-roundabout-opens.php
Bluffton, SC Beaufort Co. United States	University Pkwy. / Southside Pkwy. (32.30407, -80.99340)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Durham, NC Durham Co. United States	University Pl. / Ivy Creek Blvd. (35.95846, -78.96373)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.0687	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Nathan, QLD Brisbane Australia	University Rd. / Don Young Rd. / James Toohey Ave. (-27.55099, 153.06307)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Heslington, England York United Kingdom	University Rd. / Innovation Way (53.94742, -1.04748)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
York, England York United Kingdom	University Rd. / Wentworth Way / Siwards Way (53.94964, -1.05684)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Morgantown, WV Monongalia Co. United States	University Town Center Dr. / I-79 SB Ramps (39.63879, -80.00274)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1471	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)	2016	https://www.constructionequipmentguide.com/i-79-interchange-nears-completion-in-morgantown-wva/31295. ICD estimated from Google Maps linework.
Duncan, BC Cowichan Valley Canada	University Way / (parking lot) / (future road) (48.78360, -123.70415)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.1171	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2006-2012). ICD estimated from Google Maps linework.
Spartanburg, SC Spartanburg Co. United States	University Way / Gramling Dr. (34.99504, -81.97259)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2009	No entry deflection on west and northeast legs. Year Completed estimated (2008-2010).
Kelowna, BC Central Okanagan Canada	University Way / Innovation Dr. / Hollywood Rd. (49.94106, -119.39019)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2005-2011).
Sippy Downs, QLD Sunshine Coast Australia	University Way / Springhill Dr. / Scholars Dr. (-26.72266, 153.05817)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
East Massapequa, NY Nassau Co. United States	Unqua Circle [Nassau Rd. / Unqua Rd.] (40.66213, -73.44036)	Other Existing	All-Way Stop Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Unsworth Heights, Auckland Auckland New Zealand	Unsworth Dr. / Bluebird Crescent / Barbados Dr. (-36.75632, 174.71399)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Interlaken, Berne Interlaken-Oberhasli Switzerland	Untere Bönigstrasse / (parking) (46.68942, 7.87969)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Auckland, Auckland Auckland New Zealand	Upland Rd. / Benson Rd. (-36.87356, 174.81017)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Leesburg, VA Loudoun Co. United States	Upper Belmont Pl. / Charlene Beth Dr. (39.09004, -77.48704)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.5175	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Leesburg, VA Loudoun Co. United States	Upper Belmont Pl. / Riverpoint Dr. (39.08562, -77.49204)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.8113	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Binghamton, NY Broome Co. United States	Upper Front St. / Old Front St. / I-81 SB Ramps (42.12650, -75.90703)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2022	https://www.wbng.com/2022/08/04/second-roundabout-now-open-rt-11-town-dickinson/
Owings Mills, MD Baltimore Co. United States	Upper Mill Dr. / Bluestem Ct. /Spring Willow Ct. / Bayline Cir. (39.41253, -76.82032)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Auckland, Auckland Auckland New Zealand	Upper Queen St. / Kitchener Rd. (-37.21710, 174.89969)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sigtuna, Stockholm County Sigtuna Sweden	Uppsalavägen / Pilsbovägen (59.62605, 17.72196)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 27.1756	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Gaithersburg, MD Montgomery Co. United States	Upshire Circle (39.11353, -77.22397)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Charlottetown, PE Queens Canada	Upton Rd. / Charlottetown Perimeter Hwy. / Hurry Rd. (46.27055, -63.17507)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.6280	Other (At-Grade) Single-Lane	2014	Right-turn bypass lane on south leg. Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Cairns City, QLD Cairns Australia	Upward St. / Lake St. (-16.91530, 145.77005)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Hamilton Valley, NSW Albury Australia	Urana Rd. / Burrows Rd. (-36.03312, 146.92187)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
San Roque, Andalusia Cadiz Spain	Urbanización Cortijo Benalife / Avenida Sevilla (36.18159, -5.37712)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Drachten, Friesland Smallingerland Netherlands	Ureterpvallaat / Tjaarda (53.10640, 6.12496)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Crestwood, NSW Queanbeyan-Palerang Regional Australia	Uriarra Rd. / Kendall Ave. N / Richard Ave. (-35.34454, 149.21463)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Urraween, QLD Fraser Coast Australia	Urraween Rd. / Pantlins Ln. (-25.29955, 152.81507)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Hallonbergen, Stockholm County Sundbyberg Sweden	Ursviksvägen / Gesällvägen (59.37884, 17.97273)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 37.7172	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Ashdod, Darom Ashqelon Israel	Uruguay Roundabout (31.79031, 34.63051)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 35.5305	Unknown Unknown		ICD estimated from Google Maps linework.
Leavenworth, WA Chelan Co. United States	US 2 / Icicle Rd. (47.58851, -120.67532)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.wenatcheeworld.com/business/new-leavenworth-roundabout-completed-ribbon-cutting-ceremony-next-week/article_eaf2f3e4-67c9-11ee-893c-47727bd0bda9.html
Guilford, CT New Haven Co. United States	US 1 (Boston Post Rd.) / Rte 22 (Notch Hill Rd.) (41.31131, -72.74547)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	At the town lines of Branford, North Branford and Guilford. https://www.zip06.com/news/20210617/new-route-1route-22-roundabout-taking-shape.
Palm Coast, FL Flagler Co. United States	US 1 (Heritage Crossroads) / Matanzas Woods Pkwy. / Parkgate Blvd. (29.60294, -81.28266)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	https://www.news-journalonline.com/story/news/local/flagler/2020/08/27/palm-coasts-matanzas-woods-parkway-roundabout-fully-operational/5624928002/
Mount Rainier, MD Prince Georges Co. United States	US 1 / 34th St. / Perry St. (38.93647, -76.96074)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 41.1480	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2001	Oval shaped. ICD = 135 ft x 115 ft.
Calais, ME Washington Co. United States	US 1 / Border Station Connection (45.16136, -67.29103)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0012	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Danvers, MA Essex Co. United States	US 1 / I-95 Ramps (42.59378, -70.96350)	Rotary Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Caribou, ME Aroostook Co. United States	US 1 / Main St. (46.87866, -68.01031)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.7370	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Kittery, ME York Co. United States	US 1 / Rte 236 (43.10072, -70.74415)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 91.5646	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Bunnell, FL Flagler Co. United States	US 1 / S Old Dixie Hwy. / CR 325 (29.40689, -81.19684)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2019	Through bypass lane on northwest leg. Previous control: stop sign and yield signs. http://www.cflroads.com/project/441210-1/SR_5_US_1_at_Old_Dixie_Highway_Roundabout
Portsmouth, NH Rockingham Co. United States	US 1 / US 1 Bypass / US 4 (43.07290, -70.78094)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 138.7179	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Fargo, ND Cass Co. United States	US 10 (Main Ave.) / 2nd St. (46.87393, -96.78088)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.3541	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	Opened October 2019. https://www.facebook.com/pg/FargoStreets/posts/. ICD estimated from Google Maps linework.
Harrison, WI Calumet Co. United States	US 10 / CTH N (44.21305, -88.32317)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.3854	Other (At-Grade) Single-Lane	2008	Fatal crash January 8, 2012. 11861-05. Opened October 2008. ICD estimated from Google Maps linework.
Forest Junction, WI Calumet Co. United States	US 10 / STH 32 (44.21245, -88.15433)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.6660	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Harrison, WI Calumet Co. United States	US 10 / STH 55 (44.21376, -88.28327)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.0893	Other (At-Grade) Single-Lane	2009	Opened September 2009. High speed approach roadways. ICD estimated from Google Maps linework.
Raymond, WA Pacific Co. United States	US 101 / Henkle St. (SR 6) (46.68234, -123.73051)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.0389	Other (At-Grade) Single-Lane	2018	http://www.wsdot.wa.gov/Projects/US101/SR6IntersectionAndDrainage/default.htm ICD estimated from Google Maps linework.
Astoria, OR Clatsop Co. United States	US 101 / Hwy 202 (Nehalem Highway) (46.18290, -123.86070)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.4797	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Opened September 2002. First multilane roundabout on Oregon state highway system. ICD estimated from Google Maps linework.
Pearl River, LA St. Tammany Par. United States	US 11 (Concord Blvd.) / Cleo Rd. (30.35615, -89.74532)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.0705	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Binghamton, NY Broome Co. United States	US 11 (Upper Front St.) / I-81 NB Ramps (42.12299, -75.90472)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022	https://www.binghamtonhomepage.com/news/new-roundabout-opens-on-upper-front-st/ https://www.wbng.com/2022/06/22/one-roundabout-completed-one-more-go-town-dickinson-see-bridge-completion-new-traffic-patterns/
Champlain, NY Clinton Co. United States	US 11 / I-87 NB Ramps (44.98090, -73.45634)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Single-Lane	2015	Year Completed estimated (2014-2016).
Champlain, NY Clinton Co. United States	US 11 / I-87 SB Ramps (44.98090, -73.45826)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Single-Lane	2015	Year Completed estimated (2014-2016).
Pamelia, NY Jefferson Co. United States	US 11 / Mill St. / (parking) (43.99425, -75.90456)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	Replaced stop-controlled, scissors-type intersection. https://www.wwnytv.com/2021/12/07/traffic-flowing-around-route-11-roundabout/
Castle Hayne, NC New Hanover Co. United States	US 117 / NC 133-NC 132 (34.34860, -77.90085)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 50.2891	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.