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
Berwick, VIC Casey Australia	Kangan Dr. / Soldiers Rd. / Bryn Mawr Blvd. (-38.05071, 145.35838)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Melbourne, VIC Casey Australia	C407 (Berwick-Cranbourne Rd.) / C423 (Clyde-Five Ways Rd.) / Pattersons Rd. (-38.11872, 145.32690)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Doveton, VIC Casey Australia	Kidds Rd. / Power Rd. (-37.98771, 145.23942)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Villa Literno, Campania Caserta Italy	Piazza Giuseppe Garibaldi (41.01310, 14.07660)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
São Domingos de Rana, Lisbon Cascais Portugal	Rua dos Canteiros / Avenida Salgueiro Maia / Avenida Amália Rodrigues (38.71855, -9.34707)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cascais, Lisbon Cascais Portugal	Avenida Condes de Barcelona / A5 Ramps / Rua do Campo Santo (38.71537, -9.38870)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
São Domingos de Rana, Lisbon Cascais Portugal	Avenida dos Bombeiros Voluntários / Rua do Dia Mundial da Criança (38.69795, -9.35301)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Alcabideche, Lisbon Cascais Portugal	Rotunda das Palmeiras [Terceira Circular / Rota do Património da Humanidade / Avenida de Alcabideche] (38.72895, -9.41449)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Alcabideche, Lisbon Cascais Portugal	Rotunda José Roquete [Avenida de Alcabideche / Rua de Cascais] (38.72888, -9.41113)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Alcabideche, Lisbon Cascais Portugal	N9 / A16 (Rota do Património da Humanidade) NB Ramps (38.73119, -9.41452)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Cascais, Lisbon Cascais Portugal	N9 (Avenida de Sintra) / Rua Henrique de Seixas (38.70356, -9.41787)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Great Falls, MT Cascade Co. United States	Division Rd. / Smelter Ave. NW (47.52454, -111.31037)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.0990	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Armington, MT Cascade Co. United States	US 87-SR 200 / US 89 / (parking) (47.34909, -110.89673)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2022-2023). https://www.youtube.com/watch?v=7jSH18jbyKc
Chaska, MN Carver Co. United States	Big Woods Blvd. / US 212 WB Off-Ramp (44.79113, -93.63390)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2020	Add-lane right-turn bypass lane on south leg. Year Completed estimated (2019-2020).
Chaska, MN Carver Co. United States	Big Woods Blvd. / US 212 EB On-Ramp (44.79095, -93.63046)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 47.2440	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2020	Year Completed estimated (2019-2020).
Chaska, MN Carver Co. United States	Big Woods Blvd. / Savanna Way (44.79102, -93.62533)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2020	South leg stubbed. Year Completed estimated (2019-2020).
Chaska, MN Carver Co. United States	STH 41 (N Chestnut St.) / Peavey Rd. (44.84105, -93.59896)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	https://www.swnewsmedia.com/chaska_herald/news/local/news_briefs/the-highway-41-and-peavey-road-roundabout-is-complete/article_f6380990-8fb7-11ee-badc-03f570cc07d0.html
Waconia, MN Carver Co. United States	Waconia Pkwy. / Pond Ln. / Wildflower Way (44.84055, -93.81376)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021
Chanhassen, MN Carver Co. United States	Bluff Creek Blvd. / Bluff Creek Dr. (44.83069, -93.56711)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.2684	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Chaska, MN Carver Co. United States	Hundertmark Rd. / Clover Ridge Dr. (44.81856, -93.63370)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.3460	Other (At-Grade) Single-Lane	2002	Year completed estimated (1993-2003). ICD estimated from Google Maps linework.
Chaska, MN Carver Co. United States	Clover Ridge Dr. / Clover Preserve Dr. / Walden Dr. (44.81900, -93.63693)	Roundabout Existing	Unknown None	4 Approaches 0 Driveways 28.8042	Other (At-Grade) Single-Lane	2002	Year completed estimated (1993-2002). ICD estimated from Google Maps linework.
Chaska, MN Carver Co. United States	Bavaria Rd. / Pioneer Trl. (44.83083, -93.61781)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.1863	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	At-grade rail crossing between two roundabouts. ICD estimated from Google Maps linework.
Chaska, MN Carver Co. United States	Bavaria Rd. / Pioneer Trl. / Ashley Dr. (44.82900, -93.61632)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.6462	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	At-grade rail crossing between two roundabouts. ICD estimated from Google Maps linework.
Cologne, MN Carver Co. United States	CR 53 / Village Pkwy. (44.76309, -93.78109)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.7681	Other (At-Grade) Single-Lane	2008	Right-turn bypass lane on north leg. ICD estimated from Google Maps linework.
Cologne, MN Carver Co. United States	Village Pkwy. / Village Market Dr. (44.76307, -93.78307)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.7681	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Victoria, MN Carver Co. United States	Watermark Pkwy. / Kelzer Pond Dr. (44.85331, -93.67349)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 38.1005	Unknown Single-Lane	2002	No splitter islands. ICD estimated from Google Maps linework.
Victoria, MN Carver Co. United States	86th St. / Kochia Ln. (44.84901, -93.64675)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.6359	Other (At-Grade) Single-Lane	2004	Painted splitter islands. ICD estimated from Google Maps linework.
Waconia, MN Carver Co. United States	TH 284 / CSAH 10 (13th St.) (44.83649, -93.78845)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.2747	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Waconia, MN Carver Co. United States	TH 284 / 10th St (44.84004, -93.78853)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.5686	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Waconia, MN Carver Co. United States	Community Dr. / Wildcat Way (44.83690, -93.81348)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.6521	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Watertown, MN Carver Co. United States	CSAH 10 / CSAH 20 (44.96215, -93.84360)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.1833	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Watertown, MN Carver Co. United States	CSAH 10-CSAH 20 (Territorial St.) / Lewis Ave. (44.96370, -93.84701)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.6472	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Watertown, MN Carver Co. United States	CSAH 20 / Paul Ave. (44.96305, -93.82852)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.4926	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Watertown, MN Carver Co. United States	Paul Ave. / Burr Oak Ln. (44.96474, -93.82866)	Roundabout Existing	Unknown None	4 Approaches 0 Driveways 38.8717	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
(unincorporated), MN Carver Co. United States	STH 7 / CTH 10 (44.90543, -93.81859)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.0628	Other (At-Grade) Single-Lane	2008	Rural. ICD estimated from Google Maps linework.
(unincorporated), MN Carver Co. United States	STH 7 / STH 25 (44.90572, -93.86993)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.9839	Other (At-Grade) Single-Lane	2009	Rural. ICD estimated from Google Maps linework.
Waconia, MN Carver Co. United States	STH 284 / Sparrow Rd. (44.83273, -93.78841)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.7262	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Chanhassen, MN Carver Co. United States	Flying Cloud Dr. / STH 101 (44.81211, -93.53889)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 55.9207	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Replaced triangle intersection. ICD estimated from Google Maps linework.
Chanhassen, MN Carver Co. United States	Flying Cloud Dr. / Bluff Creek Dr. (44.81190, -93.54749)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.2806	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Chaska, MN Carver Co. United States	Lyman Blvd. / Norex Dr. (44.84894, -93.58895)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2020	https://www.swnewsmedia.com/chaska_herald/news/local/highway-41-to-reopen-this-weekend-with-new-roundabout-at-lyman-boulevard/article_c9bc706b-49d8-5a8c-8286-e7b9d6127258.html
Cologne, MN Carver Co. United States	STH 5 / Orchard Rd. (44.82925, -93.82348)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2017	Rural. Year Completed estimated (2017-2018).
Waconia, MN Carver Co. United States	CR 10 (Orchard Rd.) / Community Dr. (44.83673, -93.82410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2017-2018).
Waconia, MN Carver Co. United States	Waconia Pkwy. / CR 10 (44.84217, -93.81903)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019).
Norwood Young America, MN Carver Co. United States	CR 33 / CR 34 (44.78632, -93.92955)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	https://www.co.carver.mn.us/departments/public-works/projects-studies/highway-33-34-roundabout-project
Mayer, MN Carver Co. United States	STH 25 (Mayer Blvd.) / 7th St. / 62nd St. (44.89120, -93.88554)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2015	Skewed intersection. https://www.hometownsource.com/sun_patriot/mayer-premieres-new-roundabout-on-hwy-25/article_fdc7a910-4598-58ad-a60c-967e9892573b.html
Chaska, MN Carver Co. United States	Lyman Blvd. / Peavey Rd. (44.84901, -93.59468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.swnewsmedia.com/chaska_herald/news/local/highway-41-to-reopen-this-weekend-with-new-roundabout-at-lyman-boulevard/article_c9bc706b-49d8-5a8c-8286-e7b9d6127258.html
Chaska, MN Carver Co. United States	STH 41 (N Chestnut St.-Hazeltine Blvd.) / Lyman Blvd. (44.84905, -93.59701)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.swnewsmedia.com/chaska_herald/news/local/highway-41-to-reopen-this-weekend-with-new-roundabout-at-lyman-boulevard/article_c9bc706b-49d8-5a8c-8286-e7b9d6127258.html
Carterton, Wellington Region Carterton New Zealand	SH 2 (High St. N) / Belvedere Rd. / Park Rd. (-41.02316, 175.52917)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Emerald Isle, NC Carteret Co. United States	NC 58 / Mallard Dr. / Emerald Landing Dr. (34.66104, -77.05268)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.2420	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Developer project. ICD estimated from Google Maps linework.
Emerald Isle, NC Carteret Co. United States	Emerald Dr. / Plantation Dr. (34.66452, -77.04878)	Other Existing	Other Unknown	4 Approaches 0 Driveways 28.4876	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Newport, NC Carteret Co. United States	White Sands Blvd. / Deer Run / Merry Woods Dr. (34.80021, -76.86634)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Carson City, NV Carson City Co. United States	Arrowhead Dr. / I-580 SB Ramp (39.19810, -119.77540)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.7669	Freeway Ramps (Grade-Separated) Single-Lane	2002	Future SB on-ramp for Carson City Freeway (I-580). Overpass and roundabouts completed in 2002; freeway ramps completed ~2005. ICD estimated from Google Maps linework.
Carson City, NV Carson City Co. United States	Arrowhead Dr. / I-580 NB Ramps / Imus Rd. (39.19840, -119.77380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.6923	Freeway Ramps (Grade-Separated) Single-Lane	2002	NB off-ramp for Carson City Freeway (I-580) and extension of Imus Road. Overpass and roundabouts completed in 2002. ICD estimated from Google Maps linework.
Carson City, NV Carson City Co. United States	E 5th St. / Fairview Dr. (39.16090, -119.72790)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	1999
Carson City, NV Carson City Co. United States	Northridge Dr. / Spooner Dr. (39.18150, -119.74896)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 99.9997	Other (At-Grade) Single-Lane	1997	Painted splitter islands on Northridge approaches. Year Completed estimated (1994-1999).
Carson City, NV Carson City Co. United States	Northridge Dr. / Carriage Crest Dr. (39.18290, -119.75077)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	1997	Year Completed estimated (1994-1999).
Carson City, NV Carson City Co. United States	Northridge Dr. / Tablerock Dr. (39.18460, -119.75685)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-Lane	1999	Year Completed estimated (1994-1999).
Carson City, NV Carson City United States	S Carson St. / S Stewart St. (39.15348, -119.76692)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.2440	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	https://aroundcarson.com/2020/10/10/carson_street_construction-2/
Manchester, MD Carroll Co. United States	Fridinger Mill Rd. / Millie Way / Hallie Ave. (39.67369, -76.89427)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane		Painted splitter islands on three legs; no splitter island on fourth leg.
Ossipee, NH Carroll Co. United States	Rte 28 / Rte 171 (Water Village Rd.) / Courthouse Square (43.68666, -71.12119)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2020	https://www.conwaydailysun.com/news/local/ossipee-thanks-state-for-installing-roundabout/article_5f74f482-b0bd-11ea-b12d-9fccb24a7c41.html
Carrollton, GA Carroll Co. United States	GA 16 (Newnan Rd.) / Education Dr. (33.56571, -85.04510)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8215	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Taneytown, MD Carroll Co. United States	MD 140 / MD 832 / Antrim Blvd. (39.64809, -77.15468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	1996	Completed August 1996. Curbs set for double lane, striped for single outer circulating lane.
Hampstead, MD Carroll Co. United States	MD 88 / MD 833 (39.60434, -76.83682)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 34.0470	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Whitesburg, GA Carroll Co. United States	SR 5 / SR 16-US 27 Alt (33.49142, -84.91228)	Other Existing	Unknown Unknown	0 Approaches 0 Driveways 17.9286	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Roopville, GA Carroll Co. United States	SR 5 / Old US 27 (33.46011, -85.12862)	Other Existing	Unknown Unknown	0 Approaches 0 Driveways 22.9170	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Sykesville, MD Carroll Co. United States	Bennett Rd. / Monroe Ave. (39.41306, -76.92967)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.7590	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Westminster, MD Carroll Co. United States	Market St. / Gorsuch Rd. (39.57010, -76.97452)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.6987	Other (At-Grade) Single-Lane	2005	Right-turn bypass lanes on SW and SE quadrants. ICD estimated from Google Maps linework.
Hampstead, MD Carroll Co. United States	MD 30 (Hampstead Bypass) / Business MD 30 (Hanover Pike) (39.58178, -76.84261)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.1498	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Hampstead, MD Carroll Co. United States	MD 30 (Hampstead Bypass) / MD 482 (Hampstead Mexico Rd.) (39.61108, -76.86457)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3657	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Hampstead, MD Carroll Co. United States	MD-30 (Hampstead Bypass) / Business MD 30 (Hanover Pike) (39.63466, -76.86675)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.6684	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Sykesville, MD Carroll Co. United States	Smithfield Ave. / Warfield Ave. (39.37673, -76.96410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0835	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Elliptical shape. ICD estimated from Google Maps linework.
North Conway, NH Carroll Co. United States	North-South Rd. / Mountain Valley Blvd. (44.01996, -71.10962)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.3536	Other (At-Grade) Single-Lane	2007	Right-turn bypass lane in NW quadrant. East leg stubbed for future use. Adjacent to Lowe's Home Improvement center. ICD estimated from Google Maps linework.
Conway, NH Carroll Co. United States	North-South Rd / (Walmart parking) (44.01823, -71.10901)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.2134	Other (At-Grade) Single-Lane	2014	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf ICD estimated from Google Maps linework.
Sykesville, MD Carroll Co. United States	Old Washington Rd. (MD 97) / W Old Liberty Rd. (39.42906, -77.00755)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.1330	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1995-2005). ICD estimated from Google Maps linework.
Westminster, MD Carroll Co. United States	(Carroll Community College entrance) / (parking) (39.53096, -76.99236)	Other Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Westminster, MD Carroll Co. United States	Old Westminster Pike / N Chandler Dr. (39.55808, -76.97130)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Villa Rica, GA Carroll Co. United States	Dallas Hwy. / Punkintown Rd. (33.74840, -84.91141)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2021
Conway, NH Carroll Co. United States	North-South Rd. / Common Ct. (44.02297, -71.10868)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2022	Rear entrance to Settler's Green shopping plaza. The east leg is under construction 2023 for big box retail, which should open in 2024.
Ladysmith, VA Caroline Co. United States	Edmund Pendleton Dr. / (unknown) (38.00584, -77.51439)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.8177	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Ladysmith, VA Caroline Co. United States	Library Blvd. / Azalea Dr. (38.02824, -77.52386)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.6312	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Federalsburg, MD Caroline Co. United States	MD 307 / MD 313 / MD 318 (38.68938, -75.78949)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.4247	Other (At-Grade) Single-Lane	1999	Rural, installed for safety reasons Previously controlled by two-way stop ICD estimated from Google Maps linework.
Carnarvon, WA Carnarvon Australia	Olivia Terrace / Robinson St. (-24.88532, 113.65575)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Carnarvon, WA Carnarvon Australia	Robinson St. / Francis St. / Camel Ln. (-24.88384, 113.65705)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cloquet, MN Carlton Co. United States	STH 33 / I-35 Ramps / Frontage Rd. (46.69239, -92.45712)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.4067	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Moose Lake, MN Carlton Co. United States	STH 73 / Moose Lake Rd. (46.43462, -92.76169)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.7475	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Nar Nar Goon, VIC Cardinia Australia	C101-C433 (Nar Nar Goon Connection Rd.) / M1 (Princes Fwy.) EB Ramps (-38.06887, 145.56018)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Nar Nar Goon, VIC Cardinia Australia	C101-C433 (Nar Nar Goon Connection Rd.) / M1 (Princes Fwy.) WB Ramps (-38.07215, 145.56287)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Nar Nar Goon North, VIC Cardinia Australia	C101 (Princes Hwy.) / C433 (Nar Nar Goon Connection Rd.) / Bessie Creek Rd. (-38.06781, 145.55956)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cardiff, Wales Cardiff United Kingdom	Rhiwbina Hill / Pantmawr Rd. (51.53096, -3.22442)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Ar Lan yr Afon, Wales Cardiff United Kingdom	B4262 (Ty Nant Rd.) / Main Rd. (51.53539, -3.26174)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Red Lodge, MT Carbon Co. United States	US 212 (Broadway Ave.) / 3rd St. (45.19487, -109.24681)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.3987	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Farmington, CT Capitol United States	Two MIle Rd. / South Rd. / Colt Hwy. (41.72232, -72.78876)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2023	Right-turn-only lane on north leg aligned with circulatory roadway.
Farmington, CT Capitol United States	Main Rd. (UConn Health Blvd.) / Dowling Way / Discovery Dr. (41.73355, -72.79357)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2014).
Farmington, CT Capitol United States	Dowling Way / (parking) (41.73355, -72.79165)	Other Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island		Pedestrian crossing within circulatory roadway.
Quebec, QC Capitale-Nationale Region Canada	Rue de la Rive-Boisee N / Rue du Baumier (46.83577, -71.32956)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane		No splitter islands. ICD estimated from Google Maps linework.
Quebec, QC Capitale-Nationale Region Canada	Ave. Honore-Mercier / Place de l'Assemblee (46.80959, -71.21263)	Other Existing	Other None	2 Approaches 0 Driveways 40.8714	Other (At-Grade) Single-Lane		Fountain in central island added in August 2007. ICD estimated from Google Maps linework.
Quebec, QC Capitale-Nationale Region Canada	Boulevard de la Morille / Boulevard Robert Bourassa (46.83900, -71.31117)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.7642	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Québec, QC Capitale-Nationale Canada	Rue George-Muir / Rue de l'Apogée (46.88706, -71.32983)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2020	https://www.quebechebdo.com/local/journal-charlesbourg-express/234535/nouveau-carrefour-giratoire-rue-george-muir/
North Saanich, BC Capital Regional District Canada	Willington Rd. / E. Saanich Rd. (48.63520, -123.42030)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.9387	Other (At-Grade) Single-Lane	2005	http://www.icbc.com/road_safety/pdf/vancouver%20island/north%20saanich.pdf ICD estimated from Google Maps linework.
Central Saanich, BC Capital Regional District Canada	West Saanich Rd. / Verdier Ave. (48.57791, -123.44920)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.2854	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2004-2009). ICD estimated from Google Maps linework.