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
Buchanan, WI Outagamie Co. United States	E College Ave. / Eisenhower Dr. (44.25832, -88.34698)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 58.1658	Other (At-Grade) Multilane (3+ Lane)	2015	ICD estimated from Google Maps linework.
Oak Creek/Cudahy, WI Milwaukee Co. United States	E College Ave. / S Ace Industrial Dr. (42.92994, -87.88328)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.2257	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E Columbine Dr. / N 122nd St. (33.59757, -111.81675)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 20.8910	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Crystal Lake, IL McHenry Co. United States	E Congress Pkwy. / Exchange Dr. (42.23256, -88.30131)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2023	https://www.crystallake.org/your-government/departments/community-development/engineering/roundabout-information
Grand Blanc, MI Genesee Co. United States	E Cook Rd. / Dort Hwy. (42.90188, -83.65195)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.mlive.com/news/flint/2020/11/dort-highway-extension-roundabouts-now-open-to-traffic.html
Fresno, CA Fresno Co. United States	E Copper River Ave. / N Knotting Hill Dr. / N Maple Ave. (36.89703, -119.74733)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.4742	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Cordes Junction, AZ Yavapai Co. United States	E Cordes Lakes Rd. / E Arcosanti Rd. / AZ 69 NB On-ramp (34.33270, -112.12483)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.3949	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	date: https://www.azdot.gov/mobile/media/news/2013/07/24/modernized-cordes-junction-traffic-interchange-aids-local-regional-travel ICD estimated from Google Maps linework.
Monticello, IN White Co. United States	E County Rd. 150 S / S 6th St. / S County Rd. 500 E / Gordon Rd. (40.73002, -86.77565)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.5819	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Avon, IN Hendricks Co. United States	E County Road 100 N / N County Road 900 E (39.77814, -86.36245)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.1401	Other (At-Grade) Unknown	2018	ICD estimated from Google Maps linework.
Avon, IN Hendricks Co. United States	E County Road 200 S / S County Road 200 S (39.73367, -86.38084)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 49.5972	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	ICD estimated from Google Maps linework.
Plainfield, IN Hendricks Co. United States	E County Road 600 S / Sugar Grove Rd. (39.67425, -86.39889)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 54.8640	Other (At-Grade) Single-Lane	2013
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 / 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
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
Loveland, CO Larimer Co. United States	E CR 16 / I-25 SB Ramps / CR 5 (I-25 Frontage Road) (40.36357, -104.98666)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.codot.gov/news/2023/april/90-day-temporary-closures-lcr16-at-i25-starting-april-12
Avon, IN Hendricks Co. United States	E CR 200 N / N CR 900 E (39.79285, -86.36242)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.4602	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Brownsburg, IN Hendricks Co. United States	E CR 300 / Northfield Dr. (39.80730, -86.36995)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.3694	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Plainfield, IN Hendricks Co. United States	E CR 300 S / N Carr Rd. (39.71874, -86.39038)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 44.0960	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Deer Park, WA Spokane Co. United States	E Crawford Ave. / Weber Rd. (47.95444, -117.45384)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2009	September 2009.
Deer Park, WA Spokane Co. United States	E Crawford St. / N Colville Rd. (47.95431, -117.46891)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021
Windsor, CO Weld Co. United States	E Cross Roads Blvd. / 7th St. / (unknown) (40.43692, -104.90540)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 58.1778	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	E Crossroads Blvd. / I-25 NB Ramps (40.43597, -104.99138)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.1797	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	E Crossroads Blvd. / I-25 SB Ramps (40.43596, -104.99335)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 40.9068	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
New Albany, IN Floyd Co. United States	E Daisy Ln. / Schell Ln. (38.31025, -85.82716)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.2402	Other (At-Grade) Single-Lane	2011	https://www.newsandtribune.com/news/business/in-a-roundabout-way/article_4fafdad7-0ad1-56ca-9c53-1ef9e3335d8a.html ICD estimated from Google Maps linework.
Cadillac, MI Wexford Co. United States	E Division St. / Crosby Rd. (44.25260, -85.37770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2021	https://www.cadillacnews.com/news/new-roundabout-at-crosby-division-opened-to-traffic/article_2ed78a18-40c4-11ec-8a2e-bb7590311039.html
Mount Vernon, WA Skagit Co. United States	E Division St. / Waugh Rd. (48.42091, -122.28709)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.1934	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Phoenix, AZ Maricopa Co. United States	E Dove Valley Rd. / N 60th St. (33.78470, -111.95199)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.7500	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Richmond, VA Richmond City Co. United States	E Duval St. / N 8th St. (37.54626, -77.43025)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4612	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
North Scottsdale, AZ Maricopa Co. United States	E Dynamite Blvd. / (private drive) (33.74136, -111.82606)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019).
North Scottsdale, AZ Maricopa Co. United States	E Dynamite Blvd. / N 122nd St. (33.74137, -111.81755)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2019
Eagle Mountain, UT Utah Co. United States	E Eagle Mountain Blvd. / N Sweetwater Rd. (40.30679, -112.01476)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 62.4840	Other (At-Grade) Single-Lane	1995	Year Completed estimated (1993-1997).
Sault Saint Marie, MI Chippewa Co. United States	E Easterday Ave. / Minneapolis St. (46.49157, -84.34587)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.sooleader.com/local-news/easterday-avenue-is-now-open-7815510
Sault Saint Marie, MI Chippewa Co. United States	E Easterday Ave. / Seymour St. (46.49161, -84.33749)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.sooleader.com/local-news/easterday-avenue-is-now-open-7815510
Chico, CA Butte Co. United States	E Eaton Rd. / SR 99 NB Ramps / Hicks Ln. (39.77520, -121.87224)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2022
Indianapolis, IN Marion Co. United States	E Edgewood Ave. / McFarland Rd. (39.67987, -86.11095)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.4947	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Indianapolis, IN Marion Co. United States	E Edgewood Ave. / S 5 Points Rd. (39.68143, -86.04458)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020
Grand Chute, WI Outagamie Co. United States	E Edgewood Dr. / N Lightning Dr. (44.31650, -88.36852)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2017	https://www.google.com/maps/d/viewer?mid=1kRgB04jjoXd6tLLe0r20FJoxJMI&ll=44.31723974656583%2C-88.38383077985048&z=14.
Alcoa, TN Blount Co. United States	E Edison St. / Springbrook Rd. / Lodge St. (35.78949, -83.97406)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.thedailytimes.com/news/alcoa-earns-project-of-the-year-for-marconi-greenway-project-in-springbrook/article_a745962a-7caa-11ed-8c50-372ba2368c28.html
Fresno, CA Fresno Co. United States	E El Paso Ave. / El Camino (36.84721, -119.78884)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	1996	Year Completed estimated (before 1998).
Cypress, TX Harris Co. United States	E Elizabeth Shore Loop / S Elizabeth Shore Loop (29.95707, -95.72752)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Aurora, CO Arapahoe Co. United States	E Ellsworth Ave. / Robertsdale St. (39.71661, -104.67347)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019).
Aurora, CO Arapahoe Co. United States	E Ellsworth Ave. / Trussville St. / 1st Ave. (39.71830, -104.66897)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2020-2021).
Danville, IL Vermilion Co. United States	E English St. / N Jackson St. (40.14221, -87.62787)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.9111	Other (At-Grade) Single-Lane	2018	Opened October 29, 2018. https://www.news-gazette.com/news/danville-drivers-will-encounter-county-s-first-roundabout-beginning-today/article_f87c0143-b30f-5905-a5cd-20cc780a35d4.html ICD estimated from Google Maps linework.
Frederick, MD Frederick Co. United States	E Fagan Dr. (39.44594, -77.42928)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Fresno, CA Fresno Co. United States	E Fancher Creek Dr. / N Armstrong Ave. (36.74138, -119.67865)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2020
Fort Bragg, CA Mendocino Co. United States	E Fir St. / N Harrison St. (39.44803, -123.80204)	Traffic Calming Circle Removed	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	From the City of Fort Bragg: "The City installed a small neighborhood traffic calming circle in about 2012 on E Fir Street at N Harrison Street. Unfortunately, due to many years of complaints as well as traffic collision increases at the intersection, the roundabout was removed in 2019. It is still shown in Google Maps but it is removed now and replaced with at 4-way stop intersection."
Greenville, NC Pitt Co. United States	E Fire Tower Rd. / Portertown Rd. / Robins Ln. (35.57142, -77.32778)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.9724	Other (At-Grade) Single-Lane	2012	Right-turn bypass lane in NW quadrant. ICD estimated from Google Maps linework.
Orion, MI Oakland Co. United States	E Flint St. / Orion Rd. / Miller Rd. (42.78398, -83.23184)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2018
Murphy Creek, CO Arapahoe Co. United States	E Florida Ave. (39.68958, -104.70061)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Aurora, CO Arapahoe Co. United States	E Florida Ave. / S De Gaulle Way / S Duquesne Ct. (39.69027, -104.70622)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 56.0618	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2003-2004). ICD estimated from Google Maps linework.
Boise, ID Ada Co. United States	E Fort St. / E Reserve St. (43.61355, -116.19070)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.0470	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Nampa, ID Canyon Co. United States	E Franklin Rd. / Star Rd. / N Robinson Rd. (43.60497, -116.49357)	Roundabout Removed	All-Way Yield Unknown	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2012	Roundabout removed 2020 in conjunction with construction of Amazon center. Original roundabout completed 2012 and had right-turn-only lanes on north and south legs.
Midland, MI Midland Co. United States	E Freeland Rd. / S Sasse Rd. (43.52518, -84.22937)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2021	Rural, high-speed approaches.
Clayton, NC Johnston Co. United States	E Front St. / Bent Branch Loop Rd. (35.64089, -78.44504)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 34.9421	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Henderson, NV Clark Co. United States	E Galleria Dr. / Grand Cadence Dr. (36.07216, -114.98844)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2023
Henderson, NV Clark Co. United States	E Galleria Dr. / McCormick Rd. / Cadence Vista Dr. (36.07102, -114.97550)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2023
Henderson, NV Clark Co. United States	E Galleria Dr. / Olivia Pkwy. / N Water St. (36.07115, -114.96779)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2021
Henderson, NV Clark Co. United States	E Galleria Dr. / Pabco Rd. (36.07125, -114.99372)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2021
Henderson, NV Clark Co. United States	E Galleria Dr. / Watson Ridge St. (36.07101, -114.98142)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023
Aiken, SC Aiken Co. United States	E Gate Dr. / Aiken Mall Dr. SW / (parking lot) (33.51065, -81.71479)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.8785	Other (At-Grade) Single-Lane	2000	Channelized right-turn lanes on all legs. No Left Turn signs under Yield signs. Year Completed estimated (1994-2005). ICD estimated from Google Maps linework.
Aiken, SC Aiken Co. United States	E Gate Dr. / Bedford Pl. SW / Spencer Dr. (33.50671, -81.71833)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 52.7804	Other (At-Grade) Single-Lane		No splitter islands on two legs. ICD estimated from Google Maps linework.
Burlington, WA Skagit Co. United States	E George Hopper Rd. / S Walnut St. (48.45200, -122.33174)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.5955	Other (At-Grade) Single-lane w/ Traversable Central Island	2015	ICD estimated from Google Maps linework.
San Tan Valley, AZ Pinal Co. United States	E Germann Rd. / N Kenworthy Rd. (33.27809, -111.54604)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5277	Other (At-Grade) Single-Lane	2010
Sierra Vista, AZ Cochise Co. United States	E Golden Acres Dr. / Canyon de Flores (31.50212, -110.25097)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ADOT truck turnaround. Year Completed estimated (2013-2015).
Eagle Mountain, UT Utah Co. United States	E Golden Eagle Rd. / N Kiowa Pkwy. (40.35008, -111.96673)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Hammond, IN Lake Co. United States	E Gostlin St. / Sheffield Ave. (41.63211, -87.51847)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2021-2022).
Grand Blanc, MI Genesee Co. United States	E Grand Blanc Rd. / Embury Rd. (42.91693, -83.64652)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.abc12.com/news/grand-blanc-road-reopens-following-roundabout-construction-project/article_39b8087a-3083-5a44-b841-c1872cfd8918.html.
Gardner, KS Johnson Co. United States	E Grand St. / White Dr. (38.80410, -94.91469)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1600	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Payson, AZ Gila Co. United States	E Granite Dells Rd. / S Mud Springs Rd. (34.23932, -111.30819)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.4052	Other (At-Grade) Single-Lane	2008	Oval shape. Year Completed estimated (2007-2008). ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	E Green Meadows Rd. / Carter Ln. (38.91638, -92.33246)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 32.5242	Other (At-Grade) Single-Lane	2010	Bing map has this on S Providence Rd, but that's wrong, since Providence Rd is the N-S freeway just to the west. Googlemaps says Carter Ln. ICD estimated from Google Maps linework.
Longmeadow, MA Hampden Co. United States	E Greenwich Rd. / Normandy Rd. (42.06791, -72.56661)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
De Kalb, IL DeKalb Co. United States	E Gurler Rd. / N Peace Rd. (41.89286, -88.72396)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.facebook.com/1360WlbkRadio/posts/wlbk-local-newsdekalbs-new-roundabout-is-opening-soon-dekalb-city-manager-bill-n/3211580668940104/
Milwaukee, WI Milwaukee Co. United States	E Hampshire Ave. / N Bartlett Ave. (43.07567, -87.88907)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 16.1541	Other (At-Grade) Single-Lane		Installed before April 2005.
Beloit, WI Rock Co. United States	E Hart Rd. / CTH X / Gateway Blvd. (42.53840, -88.94769)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.7205	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Opened October 2009. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Beloit, WI Rock Co. United States	E Hart Rd. / I-43 NB Ramps (42.53960, -88.94841)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.6798	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2009	Opened October 2009. Series of 3 roundabouts. Right turn bypass lane. ICD estimated from Google Maps linework.
Beloit, WI Rock Co. United States	E Hart Rd. / I-43 SB Ramps (42.54142, -88.94933)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.0787	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2009	Opened October 2009. Series of 3 roundabouts. Right turn bypass lane. ICD estimated from Google Maps linework.
Milwaukee, WI Milwaukee Co. United States	E Hartford Ave. / N Bartlett Ave. (43.07765, -87.88901)	Traffic Calming Circle Existing	Uncontrolled None	4 Approaches 0 Driveways 16.4589	Other (At-Grade) Single-Lane		Installed before March 2000.
Milwaukee, WI Milwaukee Co. United States	E Hartford Ave. / N Newhall St. (43.07766, -87.89023)	Traffic Calming Circle Existing	Uncontrolled None	4 Approaches 0 Driveways 16.7637	Other (At-Grade) Single-Lane		Installed before March 2000, exact date unknown
Aurora, CO Arapahoe Co. United States	E Harvard Ave. / S Anaheim St. / Illif Station Rd. (39.67177, -104.82563)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.6103	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Terre Haute, IN Vigo Co. United States	E Haythorne Ave. / N Fruitridge Ave. (39.52062, -87.36024)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 16.5834	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Louisville, CO Boulder Co. United States	E Hecla Dr. / Golden Eagle Way / Rose Ct. (39.99337, -105.12375)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2008).
Louisville, CO Boulder Co. United States	E Hecla Dr. / Snowberry Ln. (39.99167, -105.12415)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2008).
San Antonio, TX Bexar Co. United States	E Hermosa Dr. / E Wildwood Dr. / Broadmoor Dr. (29.47883, -98.48760)	Other Existing	Uncontrolled None	5 Approaches 0 Driveways 70.1040	Other (At-Grade) Single-Lane	1953	No splitter islands.
Grand Blanc Township, MI Genesee Co. United States	E Hill Rd. / Belsay Rd. (42.94531, -83.59820)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.1019	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Republic, MO Greene Co. United States	E Hines St. / N Lynn Ave. (37.12559, -93.46198)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://republicmo.com/1814/Hines-Lynn-Road-Closure
Hayden, ID Kootenai Co. United States	E Honeysuckle Ave. / 4th St. (47.75139, -116.77538)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2022	https://cdapress.com/news/2022/jul/11/hayden-celebrates-first-roundabout/
Post Falls, ID Kootenai Co. United States	E Hope Ave. / N Damascus Rd. (47.73751, -116.88406)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2019	North leg stubbed. Year Completed estimated (2018-2020).
Watertown, WI Jefferson Co. United States	E Horseshoe Rd. / CTH A (Milford St.) (43.16401, -88.76087)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2014	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Watertown, WI Jefferson Co. United States	E Horseshoe Rd. / CTH T (43.19009, -88.76381)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.2185	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Watertown, WI Jefferson Co. United States	E Horseshoe Rd. / Jefferson Rd. (43.15839, -88.74851)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.3640	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	E Horsetooth Rd. / Ziegler Rd. (40.53777, -105.02020)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.4912	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Slidell, LA St. Tammany Par. United States	E Howze Beach Rd. / Lakeshore Village W (30.23189, -89.77186)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2019	Through lane bypass on northeast leg; add-lane right-turn bypass lane on southwest leg; yield-controlled right-turn bypass lane on southeast legs.
Frederick, MD Frederick Co. United States	E Huff Blvd. (39.44685, -77.42933)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
San Antonio, TX Bexar Co. United States	E Huisache Ave. / Carleton Ct. (29.45581, -98.48970)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	1953	No splitter islands. Parking along circulatory roadway.
Liberty Lake, WA Spokane Co. United States	E Indiana Ave. / N Holl Blvd. (47.67550, -117.13725)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.4048	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2005-2009).
Ridgecrest, CA Kern Co. United States	E Inyokern Rd. / N Knox Rd. / S Knox Rd. (35.65161, -117.66109)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		On base of Naval Air Weapons Station China Lake.
Idaho Falls, ID Bonneville Co. United States	E Iona Rd. / 25th E (43.52586, -111.98394)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2006).
Appleton, WI Outagamie Co. United States	E John St. / E South River St. (44.25623, -88.38274)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	3 Approaches 0 Driveways 30.7947	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Lincoln, CA Placer Co. United States	E Joiner Pkwy. / Fieldstone Dr. (38.84770, -121.28659)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Yield-controlled right-turn bypass lane on northwest leg. https://www.lincolnca.gov/en/our-government/east-joiner-parkway-widening-project.aspx
Perry Hall, MD Baltimore Co. United States	E Joppa Rd. / Scott Moore Way / Cowenton Ave. (39.40290, -76.44124)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2008	Right-turn bypass lane on west leg.