Roundabouts Database Index

30320 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
Boulder, CO Boulder Co. United States	Maxwell Ave. / 6th St. (40.02176, -105.28860)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 12.8046	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Pearl St. / 4th St. (40.01571, -105.29050)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 20.1234	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Pearl St. / Mid-Block (40.01501, -105.29390)	Traffic Calming Circle Existing	Unknown None	2 Approaches 0 Driveways 16.4647	Other (At-Grade) Single-Lane		Facilitates U-turns at west end of Pearl Street ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Pine St. / 15th St. (40.02072, -105.27670)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 16.4634	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Pine St. / 17th St. (40.02126, -105.27410)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 10.9755	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Nederland, CO Boulder Co. United States	SH 72 / SH 119 / 2nd St. / Bridge St. (39.96261, -105.51030)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 23.8006	Other (At-Grade) Single-Lane	1995	Opened June 1995. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Superior, CO Boulder Co. United States	Main St. / Gateway Dr. (39.95169, -105.16353)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2017	Elliptical shape.
Superior, CO Boulder Co. United States	McCaslin Blvd. / Main St. (39.95173, -105.16511)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.2711	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	West leg stubbed for future. ICD estimated from Google Maps linework.
Quail, CO Boulder Co. United States	Boston Ave. / Junction Dr. (40.14998, -105.09200)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2017).
Quail, CO Boulder Co. United States	Boston Ave. / (parking) (40.15114, -105.09285)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2006	Right-turn-only lane on north leg. Year Completed estimated (2005-2006). South leg added 2016-2017.
Quail, CO Boulder Co. United States	Boston Ave. (S. Martin St.) / (parking) (40.15350, -105.09292)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Oval shaped. ICD = 170 feet x 130 feet. Northbound left-turn-only lane signed but not marked on approach. Year Completed estimated (2006-2007).
Lafayette, CO Boulder Co. United States	Roser Dr. / Crater Lake Ln. / Murphy Creek Dr. (39.99879, -105.13387)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2010).
Louisville, CO Boulder Co. United States	Roser Dr. / W Hecla Dr. / Paschal Dr. (39.99411, -105.13074)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2011
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).
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).
Erie, CO Boulder Co. United States	Jasper Rd. / Lombard St. (40.05485, -105.06504)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2020-2021).
Longmont, CO Boulder Co. United States	Sundance Dr. / Galapagos Pl. (40.20011, -105.06468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017).
Longmont, CO Boulder Co. United States	Sundance Dr. / Tyrrhenian Dr. (40.20202, -105.06468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017).
Longmont, CO Boulder Co. United States	Sundance Dr. / Tyrrhenian Cir. (40.19784, -105.06451)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017).
Longmont, CO Boulder Co. United States	Sundance Dr. / Twilight Dr. (40.19529, -105.06175)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Initial construction without splitter islands 1999-2002. Splitter islands added 2016-2017.
Longmont, CO Boulder Co. United States	S Martin St. / Bountiful Ave. (40.14740, -105.08831)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2017
Longmont, CO Boulder Co. United States	Harvest Moon Dr. / (parking) / (unknown) (40.15101, -105.08420)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2023	Right-turn-only lane and two-lane exit on north leg. Year Completed estimated (2022-2023).
Upper Clover Basin, CO Boulder Co. United States	Mountain Dr. / Boundary Pl. (40.14560, -105.17468)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2015).
Lower Clover Basin, CO Boulder Co. United States	Portico Ln. / Portico Pl. (40.13727, -105.17304)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on two legs.
East Side, CO Boulder Co. United States	E 21st Ave. / Alpine St. (40.19588, -105.08752)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2005).
Upper Clover Basin, CO Boulder Co. United States	Clover Basin Dr. / Eagan Way / Eagan Cir. (40.14043, -105.16769)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2014
Lafayette, CO Boulder Co. United States	Casper Dr. / Saratoga Dr. (39.98211, -105.08539)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Lafayette, CO Boulder Co. United States	Cheyenne Dr. / Saratoga Dr. (39.98066, -105.08535)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Lafayette, CO Boulder Co. United States	Casper Dr. / Cody Ct. (39.98213, -105.08776)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Erie, CO Boulder Co. United States	Erie Pkwy. / 119th St. (40.03679, -105.07454)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2008	Right-turn-only lane on south leg. Year Completed estimated (2008-2010).
Marseille, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	Rond-Point Alain Savary (43.24610, 5.39494)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Marseille, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	Chemin du Roy d'Espagne / Boulevard de l'Océan / Rue Floralia (43.24166, 5.39710)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Marseille, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	Chemin du Roy d'Espagne / Rue Capitaine Jean Crosia / Allée Emmanuel Chabrier (43.23528, 5.39908)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Marseille, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	Rond-Point Robert Bouvier (43.25250, 5.42188)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Marseille, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	Rue Pierre Doize / Rue François Mauriac (43.27035, 5.42318)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Marseille, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	Place de Saint-Tronc (43.27227, 5.42854)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Marseille, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	Rue du Professeur Roger Luccioni / Rue André Audoli (43.27300, 5.43095)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Marseille, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	Traverse Chevalier / Rue du Professeur Roger Luccioni (43.27314, 5.43143)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Allauch, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	D4A (Avenue Jean Giono) / D44G (Avenue de Provence) / Chemin du Guéridon (43.33178, 5.48650)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Allauch, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	D4A (Avenue Jean Giono) / D44F (43.33570, 5.47722)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Allauch, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	D4B (Avenue du 7ème Régiment de Tirailleurs Algériens) / D44F (43.33813, 5.47424)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Allauch, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	D4A / Avenue du Général de Gaulle (43.33943, 5.48429)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Allauch, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	D4A / Chemin de Caguerasset / Chemin du Capitaine Guyonnet / Route du Clau (43.34948, 5.48750)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Allauch, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	Place Mouren (43.35605, 5.48678)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Allauch, Provence-Alpes-Côte d'Azur Bouches-du-Rhône France	D908 / Avenue Salvador Allende (43.35433, 5.48476)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Tumba, Stockholm County Botkyrka Sweden	Tumbavägen / Sedelvägen (59.20192, 17.82574)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.4605	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Tumba, Stockholm County Botkyrka Sweden	Tumbavägen / Munkhättevägen (59.20049, 17.82692)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 20.7923	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Norsborg, Stockholm County Botkyrka Sweden	Rte 259 / Fittjavägen (59.25016, 17.86504)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.4709	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Norsborg, Stockholm County Botkyrka Sweden	Fittjavägen / Tegelbruksvägen / (parking lot) (59.25080, 17.86532)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.3106	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Norsborg, Stockholm County Botkyrka Sweden	Fittjavägen / (parking lot) (59.25233, 17.86353)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 14.0440	Other (At-Grade) Single-lane w/ Traversable Central Island		ICD estimated from Google Maps linework.
Norsborg, Stockholm County Botkyrka Sweden	Rte 259 / Hallundavägen / E4-E20 EB Ramps (59.25142, 17.85925)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.1332	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Tumba, Stockholm County Botkyrka Sweden	Rte 258 / Tumbavägen / Tuna gårdsväg (59.21458, 17.82988)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.3449	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Grödinge, Stockholm County Botkyrka Sweden	Rte 258 / E20 Ramps / Sankt Botvids väg / Tumbakopplet (59.24028, 17.83454)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 76.3533	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Norsborg, Stockholm County Botkyrka Sweden	Segersbyvägen / Kumla gårdsväg (59.23676, 17.83537)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.7118	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Norsborg, Stockholm County Botkyrka Sweden	Rte 259 / E18 WB Ramps / Botkyrkaladen / Fågelviksvägen (59.25263, 17.85326)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.2999	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Tullinge, Stockholm County Botkyrka Sweden	Flottiljvägen / Rullstensvägen / Kanslivägen (59.18849, 17.91650)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.6349	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Troutville, VA Botetourt Co. United States	US 11-US 220 / I-81 NB Ramps / Cloverdale Rd. Connector (37.39049, -79.90025)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 55.0369	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Bossier City, LA Bossier Par. United States	W 1st St. / Spears St. (32.52108, -93.73971)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.2256	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Bossier City, LA Bossier Par. United States	W 1st St. / Margaritaville Way / Colquitt St. (32.52193, -93.73982)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.2112	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Bossier City, LA Bossier Par. United States	US 79-US 80 (E Texas St.) / Old Benton Rd. (32.52639, -93.73056)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2020	Year Completed estimated (2019-2021).
Bossier City, LA Bossier Par. United States	Walter O. Bigby Carriageway / Hamilton Rd. (32.52940, -93.72630)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2024	https://www.shreveporttimes.com/story/news/local/2024/10/01/walter-o-bigby-carriageway-opens-in-bossier-city/75455416007/
Bossier City, LA Bossier Par. United States	Walter O. Bigby Carriageway / Shed Rd. (32.53213, -93.72376)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2024	https://www.shreveporttimes.com/story/news/local/2024/10/01/walter-o-bigby-carriageway-opens-in-bossier-city/75455416007/
Kew, Victoria Boroondara Australia	SR 21 (Princess St.) / Willsmere Rd. / Eglinton St. / Willis St. / Main Dr. (-37.79910, 145.03025)	Roundabout Existing	All-Way Yield Metering Signal	6 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Metering signal on north leg. Pedestrian signal on south leg.
Balwyn, Victoria Boroondara Australia	Belmore Rd. / Union Rd. / Kalonga Rd. (-37.80424, 145.10134)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Borne, Overijssel Borne Netherlands	N743 / Deuringerweg (52.30344, 6.76110)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.7731	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Löttorp, Kalmar County Borgholm Sweden	Rte 136 / Löttorpsvägen (57.16442, 17.01357)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.5516	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Negotin, Centralna Srbija Bor District Serbia	SR 33 (Zelena Pijaca - Ulica Age Rogožinarevića) / Ulica Jovana Dinkića / Ulica Srbe Jovanovića (44.23323, 22.52986)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Columbia, MO Boone Co. United States	Rte K / S Sinclair Rd. / Old Plank Rd. (38.87078, -92.38241)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://abc17news.com/news/2021/08/18/sinclair-and-route-k-roundabout-now-open/
Old Hawthorne, MO Boone Co. United States	Linkside Dr. / Signature Ridge (38.93069, -92.24261)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands.
Lebanon, IN Boone Co. United States	W 300 N / Witt Rd. (40.08342, -86.49589)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2024	Gateway to Lilly Medicine Foundry campus.
Zionsville, IN Boone Co. United States	W Oak St. / S 800 E (39.94965, -86.31676)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2024	https://youarecurrent.com/2024/02/15/new-roundabout-opens-at-zionsville-intersection/
Zionsville, IN Boone Co. United States	S Cobblestone Dr. / Pebblepointe Pass (39.96859, -86.29088)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2004	No splitter islands on three legs.
Zionsville, IN Boone Co. United States	S Cobblestone Dr. / Pebblepointe Pass / Spring Violet Pl. (39.97367, -86.29801)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2005	No splitter islands.
Zionsville, IN Boone Co. United States	Greenthread Dr. / Iris Ln. (39.97780, -86.29320)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Zionsville, IN Boone Co. United States	Pin Oak Dr. / Shelburne Way (39.98194, -86.29485)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2003	No splitter islands.
Zionsville, IN Boone Co. United States	Aberdeen Dr. / Bradfield Rd. / Oakley Terrace (39.97226, -86.31374)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2017	No splitter islands on east and west legs.
Whitestown, IN Boone Co. United States	Madera Dr. / Maricopa Blvd. (40.00226, -86.34972)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	No splitter islands on north and south legs.
Whitestown, IN Boone Co. United States	Seabiscuit Rd. / Preakness St. (39.99047, -86.34176)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	No splitter islands.
Whitestown, IN Boone Co. United States	S Perry Worth Rd. / Sunset Way (39.95375, -86.36091)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024
Columbia, MO Boone Co. United States	Nocona Pkwy. / Artemis Dr. (38.89292, -92.28649)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2023	Year Completed estimated (2022-2023).
Union, KY Boone Co. United States	Richwood Rd. / Grand National Blvd. / Triple Crown Blvd. (38.91348, -84.63578)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2022	https://www.drivingnkyprogress.org/richwoodrd
Whitestown, IN Boone Co. United States	S Main St. / Albert S White Dr. / E 400 S (39.98263, -86.34596)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2022	https://www.youtube.com/watch?v=34EKqFKijoI
Whitestown, IN Boone Co. United States	E 550 S / S 475 E (39.96035, -86.37942)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Unknown	2023
Columbia, MO Boone Co. United States	Tiger Ave. / Hospital Dr. / (parking) (38.93766, -92.33084)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.columbiamissourian.com/news/higher_education/roundabout-at-tiger-avenue-and-hospital-drive-opens-to-drivers/article_fc81909a-2d89-11ee-ad36-cbd098b5227c.html
Whitestown, IN Boone Co. United States	S CR 525E / Powell Dr. (39.94263, -86.36963)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Ashland, MO Boone Co. United States	Innovation Blvd. / (unknown) (38.82886, -92.23865)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Old Hawthorne, MO Boone Co. United States	Eutsy Ln. / (parking) (38.92977, -92.24486)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Columbia, MO Boone Co. United States	W Nifong Blvd. / Sinclair St. (38.91006, -92.37251)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.como.gov/CMS/pressreleases/view.php?id=6689&tbiframe=1
Columbia, MO Boone Co. United States	W Nifong Blvd. / S County Woods Rd. / Vawter School Rd. / S Old Mill Creek Rd. (38.91097, -92.38182)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.como.gov/CMS/pressreleases/view.php?id=6689&tbiframe=1
Hebron, KY Boone Co. United States	N Bend Rd. (KY 237) / Cardinal Way / Park and Ride Dr. (39.09299, -84.71405)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.0048	Other (At-Grade) Single-Lane	2009	http://local.nixle.com/alert/290390/ ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	Forum Blvd. / Green Meadows Rd. (38.91311, -92.35373)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.3034	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	https://www.youtube.com/watch?v=HiB5NQzLK9w. Completed October 2019. ICD estimated from Google Maps linework.
Union, KY Boone Co. United States	Sweet Harmony Ln. / Dawns Light (38.95298, -84.67487)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.2256	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	Hwy KK / S Scott Blvd. / (parking lot entrance) (38.88590, -92.40107)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 58.5687	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	Wisteria Ln. / Crape Myrtle Dr. (38.89785, -92.38804)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 19.5196	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	Cascades Dr. / Marietta Falls Ln. / Vancouver Cir. (38.87294, -92.37750)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.1055	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	New Town Ave. / Center St. (38.87357, -92.36947)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 18.5965	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Oak Forest, MO Boone Co. United States	Buttonwood Dr. / MO-163 (S Providence Rd) NB Ramps / (frontage road) (38.91363, -92.33413)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.7376	Freeway Ramps (Grade-Separated) Single-Lane	2009	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.
Columbia, MO Boone Co. United States	E Southampton Dr. / State Farm Pkwy. (38.90095, -92.32656)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.6018	Other (At-Grade) Single-Lane	2008	Two approaches stubbed. ICD estimated from Google Maps linework.
Bearfield Plaza, MO Boone Co. United States	S Bearfield Rd. / Chinaberry Dr. / Old US 63 (38.91501, -92.30289)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.0906	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1995-2003). ICD estimated from Google Maps linework.