Roundabouts Database Index

29616 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
Lenexa, KS Johnson Co. United States	Marshall Dr. / W 95th St. WB Connector (38.95709, -94.73438)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.1492	Other (At-Grade) Single-Lane	2016	Near diverging diamond interchange. https://www.ksdot.org/Assets/wwwksdotorg/Headquarters/PDF_Files/2016-11-28_ProjectUpdate12_Web_FINAL_FactSheet-LowRes.pdf . ICD estimated from Google Maps linework.
Lenexa, KS Johnson Co. United States	Marshall Dr. / W 95th St. EB Connector (38.95590, -94.73460)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.3636	Other (At-Grade) Single-Lane	2016	Near diverging diamond interchange. https://www.ksdot.org/Assets/wwwksdotorg/Headquarters/PDF_Files/2016-11-28_ProjectUpdate12_Web_FINAL_FactSheet-LowRes.pdf . ICD estimated from Google Maps linework.
Shawnee, KS Johnson Co. United States	Monticello Rd. / Clearcreek Pkwy. (39.02437, -94.83942)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.3304	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
North Liberty, IA Johnson Co. United States	N Front St. / Penn St. (41.75206, -91.59801)	Roundabout Existing	All-Way Yield None	4 Approaches 2 Driveways 32.0763	Other (At-Grade) Single-Lane	2019	Completed Fall 2019. ICD estimated from Google Maps linework.
North Liberty, IA Johnson Co. United States	N Front St. / N Bend Dr. (41.75695, -91.59798)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2199	Other (At-Grade) Single-Lane	2019	Completed September 2019. The adjacent dead-end road to the west has been extended up to connect with Front Street at a 90-degree angle across from the existing commercial entrance drive on the east side of Front Street. In the NW quadrant of the roundabout, the farm field site has been redeveloped as a new elementary school. ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	Commerce Dr. / Commercial Park (41.69560, -91.61393)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2389	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	12th Av. / Holiday Rd. (41.69491, -91.58287)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.4032	Other (At-Grade) Single-lane w/ Traversable Central Island	2015	Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	E 7th St. / E 2nd Ave. (41.67892, -91.56378)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.7092	Other (At-Grade) Single-Lane	2019	Opened to traffic August 2019. East leg will re-open October 2019; north leg open to traffic summer 2020. ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	Oakdale Blvd. / Jones Blvd. (41.70758, -91.61387)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.4483	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Burleson, TX Johnson Co. United States	NW Summercrest Blvd. / SW Thomas St. / SW Sundown Trl. (32.53664, -97.33931)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.3357	Other (At-Grade) Single-Lane	2016	Painted splitter islands. Estimated Construction Cost $65k.
Burleson, TX Johnson Co. United States	Village Creek Pkwy. / (parking) (32.54555, -97.31374)	Roundabout Existing	All-Way Yield None	2 Approaches 1 Driveways 42.6710	Other (At-Grade) Single-Lane	2016
Coralville, IA Johnson Co. United States	E 9th St. / E 2nd Ave. (41.68169, -91.56306)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.coralville.org/887/E-9th-Street
Overland Park, KS Johnson Co. United States	Lamar Ave. / W 137th St. / W 138th St. (38.88011, -94.65830)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://twitter.com/opcares/status/1307342447027122177
Burleson, TX Johnson Co. United States	SW Alsbury Blvd. / Candler Dr. (32.53481, -97.36590)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Part of Alsbury Extension to Hulen.
Burleson, TX Johnson Co. United States	SW Hulen St. / SW Alsbury Blvd. (32.53068, -97.37575)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 48.7680	Other (At-Grade) Single-Lane	2017	Right-turn-only lane on northeast leg. Part of Alsbury Extension to Hulen.
Tiffin, IA Johnson Co. United States	E Marengo Rd. (US 6) / Park Rd. (41.70604, -91.64711)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2019	Designed for expansion to two-lane roundabout. Year Completed estimated (2019-2020).
Greenwood, IN Johnson Co. United States	Arbor Ln. / Blackberry Dr. (39.58332, -86.12628)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on two legs.
North Liberty, IA Johnson Co. United States	St. Andrews Dr. / Alexander Way (41.73776, -91.62789)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6717	Other (At-Grade) Single-Lane	2020
North Liberty, IA Johnson Co. United States	Kansas Ave. / St. Andrews Dr. (41.73785, -91.63707)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Single-Lane	2019
Bargersville, IN Johnson Co. United States	Oakmont Blvd. / Shallow Water Ln. / Chartwell Dr. (39.56137, -86.17024)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2005).
Overland Park, KS Johnson Co. United States	W 175th St. / Quivira Rd. (38.81095, -94.72371)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.youtube.com/watch?v=jJkc5k7l-kg
Franklin, IN Johnson Co. United States	E King St. / Eastview Dr. (39.48269, -86.03241)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2018	Right-turn-only lanes on north and east legs.
Franklin, IN Johnson Co. United States	SR 144 / SR 44 / Westview Dr. (39.48248, -86.08291)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2019	Year Completed estimated (2017-2020).
Greenwood, IN Johnson Co. United States	Legacy Blvd. / Wind Ln. (39.61250, -86.05143)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Franklin, IN Johnson Co. United States	Eastview Dr. / Upper Shelbyville Rd. (39.49053, -86.03328)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2018
Olathe, KS Johnson Co. United States	S Greenwood St. / W 116th St. (38.91921, -94.74988)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2007-2008).
Franklin, IN Johnson Co. United States	Hurricane Rd. / Arvin Dr. / Eastview Dr. (39.49352, -86.04188)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2019
Greenwood, IN Johnson Co. United States	Southern Pines Dr. / Weald St. / Spinney Ln. (39.57598, -86.12338)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Greenwood, IN Johnson Co. United States	Southern Pines Dr. / Averitt Rd. (39.57595, -86.11836)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Franklin, IN Johnson Co. United States	Paris Dr. / (unknown) (39.48524, -86.01812)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2016
Franklin, IN Johnson Co. United States	N Main St. / Oliver Ave. / Clark St. / Walnut St. (39.49008, -86.05955)	Other Existing	All-Way Yield None	5 Approaches 1 Driveways 51.8160	Other (At-Grade) Single-Lane	2013	Circular intersection with roundabout characteristics on all legs but one, which is stop-controlled and has no splitter island (raised or painted). Elliptical shaped. ICD 170 feet x 120 feet. Year Completed estimated (2012-2014).
Whiteland, IN Johnson Co. United States	Whiteland Rd. (E 500 N) / N Graham Rd. (N 225 E) (39.55046, -86.05931)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Two through lanes only on west leg; rest of roundabout is single-lane.
Overland Park, KS Johnson Co. United States	W 159th St. / S Pflumm Rd. (38.84016, -94.74243)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://twitter.com/opcares/status/1293961531567333377?lang=en
Iowa City, IA Johnson Co. United States	Sycamore St. / Lehman Ave. (41.62058, -91.51211)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016).
Overland Park, KS Johnson Co. United States	Metcalf Ave. / W 167th St. (38.82551, -94.66777)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2019	Year Completed estimated (2018-2020).
Overland Park, KS Johnson Co. United States	W 159th St. / Blue Valley High School west entrance (38.84002, -94.65839)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	3 Approaches 0 Driveways 42.6717	Other (At-Grade) Multilane (2 Lane, unspecified)	2016
Overland Park, KS Johnson Co. United States	W 159th St. / Blue Valley High School east entrance (38.84003, -94.65406)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	3 Approaches 0 Driveways 42.6717	Other (At-Grade) Multilane (2 Lane, unspecified)	2016
Overland Park, KS Johnson Co. United States	W 159th St. / Mission Rd. (38.84021, -94.63052)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2017	Right-turn-only lane on west leg.
Mansions at Canyon Creek, KS Johnson Co. United States	W 95th Ln. (38.95544, -94.88063)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Mansions at Canyon Creek, KS Johnson Co. United States	W 95th Ln. / Zarda Dr. (38.95602, -94.87907)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Liivoja, Jõgevamaa Jõgeva vald Estonia	T36 (Jõgeva–Mustvee) / Kesk (58.75191, 26.38925)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Võduvere, Jõgevamaa Jõgeva vald Estonia	T36 (Jõgeva–Mustvee) / Jaama (58.75528, 26.40090)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Joensuu, North Karelia Joensuu Finland	Sirkkalansilta / Kettuvaarantie / Itäranta / Sirkkalantie (62.60210, 29.77529)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Joensuu, North Karelia Joensuu Finland	Sirkkalansilta / Yläsatamakatu / Rantakatu (62.60331, 29.76792)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Joensuu, North Karelia Joensuu Finland	Suvantokatu / Rantakatu (62.59806, 29.76325)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Joensuu, North Karelia Joensuu Finland	Karjalankatu / Sortavalankatu (62.59743, 29.78597)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Joensuu, North Karelia Joensuu Finland	Kettuvaarantie / Pohjolankatu (62.60302, 29.80404)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Joensuu, North Karelia Joensuu Finland	Noljakantie / Yliopistokatu (62.61455, 29.73176)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Joensuu, North Karelia Joensuu Finland	Noljakantie / Onttolantie / Marjalantie / Kosti Aaltosen tie (62.62707, 29.69664)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jodhpur, RJ Jodhpur India	B Rd. / 7th B Rd. (26.27787, 73.00554)	Unknown Existing	Unknown Unknown	5 Approaches 0 Driveways	Other (At-Grade) Unknown
Jihlava, Vysočina Jihlava Czechia	Havlíčkova / Pražská (49.40457, 15.58709)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jiaoqu District, Heilongjiang Jiamusi China	Hongqi St. / Youyi Rd. Ramps (46.80940, 130.33150)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Xiangyang District, Heilongjiang Jiamusi China	Shengli West Rd. / Hongqi St. (46.78857, 130.35309)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
North Vernon, IN Jennings Co. United States	US 50 / Walnut St. / CR 400 W (38.98696, -85.68113)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2018	https://www.facebook.com/NVPDS/photos/west-end-bypass-roundabout-opens-six-months-after-construction-started-the-new-w/2385364561504366/
North Vernon, IN Jennings Co. United States	US 50 / IN 750 (39.01143, -85.60029)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.3289	Other (At-Grade) Single-Lane	2017	https://www.in.gov/indot/projects/2423.htm . ICD estimated from Google Maps linework.
Metairie Terrace, LA Jefferson Par. United States	Causeway Blvd. (LA 3046) / US 61 (Airline Hwy.) (29.97476, -90.15636)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 107.5965	Other (At-Grade) Unknown		Single-point interchange using one circle. Entire circle is on causeway structure over railroad yards. ICD estimated from Google Maps linework.
Lakewood, CO Jefferson Co. United States	S. Allison Pkwy. / W. Virginia Ave. (39.70705, -105.08390)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 33.9964	Other (At-Grade) Single-Lane	2000	Functional Class: Local ICD estimated from Google Maps linework.
Columbine, CO Jefferson Co. United States	S. Simms St. / Nelson St. (39.64159, -105.12910)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 38.6271	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Right turn bypass lanes on three legs. ICD estimated from Google Maps linework.
Madras, OR Jefferson Co. United States	SE Grizzly Rd. / SE J St. / SE City View Rd. / (future leg) (44.62504, -121.10943)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 54.4017	Other (At-Grade) Single-Lane	2007	Sized for conversion to ultimate double-lane. Bear sculpture in central island. ICD estimated from Google Maps linework.
Madras, OR Jefferson Co. United States	SE City View St. / SE Yarrow Ave. / (future leg) (44.63084, -121.10905)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.3963	Other (At-Grade) Single-Lane	2007	Sized for conversion to ultimate double-lane. Raptor sculpture in central island. ICD estimated from Google Maps linework.
Lakewood, CO Jefferson Co. United States	Arbutus Dr. / Red Rocks Community College (39.71903, -105.14840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.7465	Other (At-Grade) Single-Lane	2001	Functional Class: Collector ICD estimated from Google Maps linework.
Lakewood, CO Jefferson Co. United States	Allison Pkwy. / Civic Center (39.70906, -105.08630)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 31.2390	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Lakewood, CO Jefferson Co. United States	Arbutus Dr. / W. 2nd Pl. (39.71649, -105.14750)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.5609	Other (At-Grade) Single-Lane	2001	Functional Class: Collector ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	S. Golden Rd. / Johnson Rd. / 16th St. (39.74207, -105.20060)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.6526	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	S. Golden Rd. / Lunnonhaus Dr. (39.74062, -105.19840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Small two-lane roundabout but with nontraversable central island.
Golden, CO Jefferson Co. United States	S. Golden Rd. / Utah St. (39.73919, -105.19620)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.8782	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	S. Golden Rd. / Ulysses St. (39.73771, -105.19390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.5734	Other (At-Grade) Single-Lane	1998	Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Main entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	Jefferson County Pkwy. / Civic Center (39.72717, -105.19940)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9051	Other (At-Grade) Single-Lane	2000	Feeds parking lot ICD estimated from Google Maps linework.
Columbine, CO Jefferson Co. United States	S. Simms St. / W. Quincy Ave. (39.63865, -105.12860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.0301	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	S. Golden Rd. / Ford St. / Jackson St. (39.74612, -105.20940)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 52.3432	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Functional Class: Arterial ICD estimated from Google Maps linework.
Port Townsend, WA Jefferson Co. United States	SR 20 (Sims Way) / Howard St. / Evans Vista (48.10260, -122.80500)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2010	April 2010.
Port Townsend, WA Jefferson Co. United States	SR 20 (Sims Way) / Thomas St. (48.10333, -122.79891)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2010	July 2010.
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. / 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. / 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.
Watertown, WI Jefferson Co. United States	Jefferson Rd. / CTH Y (43.15325, -88.75062)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5944	Other (At-Grade) Single-Lane	2010	Near railroad crossing. ICD estimated from Google Maps linework.
Watertown, WI Jefferson Co. United States	CTH Y (S Church St.) / STH 26 NB Ramps (43.15562, -88.74126)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.7217	Freeway Ramps (Grade-Separated) Single-Lane	2011	ICD estimated from Google Maps linework.
Watertown, WI Jefferson Co. United States	CTH Y (S Church St.) / STH 26 SB Ramps (43.15450, -88.74223)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.3362	Freeway Ramps (Grade-Separated) Single-Lane	2011	ICD estimated from Google Maps linework.
Watertown, WI Jefferson Co. United States	BUS 26 (S Church St.) / High Rd. (43.16088, -88.73526)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.8169	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Watertown, WI Jefferson Co. United States	W Main St. (STH 19) / STH 26 NB Ramps (43.19772, -88.76607)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.3091	Freeway Ramps (Grade-Separated) Single-Lane	2010	ICD estimated from Google Maps linework.
Watertown, WI Jefferson Co. United States	W Main St. (STH 19) / STH 26 SB Ramps (43.19772, -88.76804)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.6971	Freeway Ramps (Grade-Separated) Single-Lane	2010	ICD estimated from Google Maps linework.
Applewood, CO Jefferson Co. United States	W. 32nd Ave. / Eldridge St. (39.76180, -105.15660)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 29.3790	Other (At-Grade) Single-Lane	2005	North leg serves golf course parking lot. ICD estimated from Google Maps linework.
Evergreen, CO Jefferson Co. United States	CR 65 / Bergen Pkwy. (39.69101, -105.36050)	Roundabout Existing	Unknown Unknown	3 Approaches 1 Driveways 26.6520	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
Harpers Ferry, WV Jefferson Co. United States	Koonce Road / Private Road (39.31484, -77.78628)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.1129	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Louisville, KY Jefferson Co. United States	Trevilian Way / Louisville Zoo Entrance (38.20764, -85.70862)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.2772	Other (At-Grade) Single-Lane	2009	Oblong shape. ICD estimated from Google Maps linework.
Whitewater, WI Jefferson Co. United States	Burr Oak Trl. / N Acorn Ridge (42.85569, -88.74258)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.6434	Other (At-Grade) Single-Lane	2007	Opened October 2007. Functional Class: Local ICD estimated from Google Maps linework.
Whitewater, WI Jefferson Co. United States	Burr Oak Trl. / (unknown) (42.85222, -88.74105)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.7695	Other (At-Grade) Single-Lane	2007	Opened November 2007. Functional Class: Local ICD estimated from Google Maps linework.
Littleton, CO Jefferson Co. United States	S Union Ct. / S Ida Ave. (39.61175, -105.13316)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.0433	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Littleton, CO Jefferson Co. United States	S Zang St. / Robert Easton Park (39.60735, -105.14731)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.6044	Other (At-Grade) Single-Lane	2006	3rd leg added around 2012, Built for future 4th Leg. ICD estimated from Google Maps linework.
Birmingham, AL Jefferson Co. United States	Liberty Pkwy. / Lake Pkwy. (33.47937, -86.67624)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.8928	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1998-2002). ICD estimated from Google Maps linework.
Lakewood, CO Jefferson Co. United States	Lamar St. / W 14th Ave. (39.73850, -105.06733)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2014	Fire station driveway at end of radius on northwest corner.
Ixonia, WI Jefferson Co. United States	STH 16 / American St. (CTH F) (43.14647, -88.59080)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.0551	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Steubenville, OH Jefferson Co. United States	Lovers Ln. / Fort Steuben Dr. (40.36706, -80.67710)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 26.3892	Other (At-Grade) Single-Lane	2017	First roundabout in Eastern Ohio and ODOT District 11. ICD estimated from Google Maps linework.
Louisville, KY Jefferson Co. United States	Stony Farm Dr. / Stara Way (38.19654, -85.59588)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.3426	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Beckly, KY Jefferson Co. United States	Shelby Station Dr. / (unknown) (38.23829, -85.49049)	Other Existing	Other None	4 Approaches 0 Driveways 26.2662	Other (At-Grade) Single-Lane		No yield signs on major street. ICD estimated from Google Maps linework.
Barnhart, MO Jefferson Co. United States	Metropolitan Blvd. / Marriott Ln. / (unknown) / I-55 SB On-ramp (38.34633, -90.39727)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.5939	Freeway Ramps (Grade-Separated) Single-Lane	2010	Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Arnold, MO Jefferson Co. United States	Astra Way / Missouri State Rd. (38.44301, -90.40168)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1589	Other (At-Grade) Single-Lane	2012	Located approximately 220 feet from traffic signal. https://patch.com/missouri/fenton-highridge/new-traffic-roundabout-to-be-built-on-hwy-141-between4fb74fd68b . ICD estimated from Google Maps linework.
(unincorporated), MO Jefferson Co. United States	13th St. / Winding Bluffs Dr. (38.48406, -90.44573)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7865	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Lakewood, CO Jefferson Co. United States	W Dartmouth Pl. / W Cornell Pl. / (high school access) (39.66034, -105.10813)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.2611	Other (At-Grade) Single-Lane	2006	https://www.denverpost.com/2006/08/03/on-the-side-84/ . ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	Illinois St. / (unknown) (39.73540, -105.21057)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.5747	Other (At-Grade) Single-Lane	2002	Minimal splitter islands. No detectable warnings for the one pedestrian crossing. ICD estimated from Google Maps linework.