Roundabouts Database Index

28870 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
New Castle, CO Garfield Co. United States	Castle Valley Blvd. / Pyramid St. (39.57959, -107.52880)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 33.1386	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Palma, Autonomous Community of Balearic Islands Baleares Spain	Plaza del Llaç Blau [Carrer Dragonera / Avenida de Picasso] (39.57930, 2.62696)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Sparks, NV Washoe Co. United States	Los Altos Pkwy. / Vista Heights Dr. (39.57929, -119.70038)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2006).
Inverness, CO Arapahoe Co. United States	Inverness Main St. / Inverness Blvd. (39.57922, -104.87057)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2006
Palma, Autonomous Community of Balearic Islands Baleares Spain	Ma-3011 / Ma-30 Ramps (39.57882, 2.71045)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Greenwood, IN Johnson Co. United States	S Honey Creek Rd. / Stones Crossing Rd. (39.57825, -86.13973)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Replaced offset T-intersections. https://dailyjournal.net/2022/08/21/stones-crossing-honey-creek-roads-to-close-for-roundabout-construction-2/
Springboro, OH Warren Co. United States	Settlers Walk Blvd. / Remick Blvd. / Stolle Dr. (39.57782, -84.21781)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 64.4378	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
Inverness, CO Arapahoe Co. United States	Inverness Terr. / Inverness Blvd. (39.57729, -104.87052)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 39.6240	Other (At-Grade) Single-Lane	2007
Greenwood, IN Johnson Co. United States	W Stones Crossing Rd. / Saddle Club Rd. (39.57708, -86.17769)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.tiktok.com/@rayraysellsindy/video/7260938186984148266
Pekin, OH Warren Co. United States	Crooked Creek Dr. / Stone Creek Blvd. (39.57681, -84.15442)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2012-2013).
Greenwood, IN Johnson Co. United States	Valley Ln. / Centerbrook Trace (Victory Dr.) / (parking) (39.57616, -86.19095)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2018	Concentric striped circulatory roadway in all quadrants with only one two-lane entry (west leg) and two-lane exit (north leg).
Falling Waters, WV Berkeley Co. United States	Worchester Dr. / Charterhouse St. / (parking) (39.57602, -77.87653)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
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.
New Castle, CO Garfield Co. United States	Castle Valley Blvd. / (TBD) (39.57517, -107.52190)	Roundabout Existing	Unknown Unknown	2 Approaches 0 Driveways 31.2996	Other (At-Grade) Single-Lane	1999	Facilitates U-turns. ICD estimated from Google Maps linework.
Falling Waters, WV Berkeley Co. United States	Charterhouse St. / Stager Ave. (39.57511, -77.87514)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Reno, NV Washoe Co. United States	Raggio Pkwy. (Dandini Blvd.) / Spectrum Blvd. (39.57506, -119.80705)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2002
Frisco, CO Summit Co. United States	S Summit Blvd. / 8th Ave. (39.57496, -106.09161)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Unknown	2021	Under construction September 2021.
Palma, Autonomous Community of Balearic Islands Baleares Spain	Ma-1044 / Ma-20 NB Ramps / Carrer Illes Balears (39.57396, 2.61202)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Forest Hill, MD Harford Co. United States	MD 23 / Commerce Rd. (39.57390, -76.37067)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2008	On August 9, 2008 a new roundabout opened on Maryland Route 23 and an extended Commerce Drive in Forest Hill (Harford County), Maryland. It was built by a private developer to improve access to the Forest Hill Industrial Park by using Route 23, a limited access highway, rather than the current access road to Commerce Drive, Jarrettsville Road, which is primarily a residential route.
Greenwood, IN Johnson Co. United States	Chancery Blvd. / Coventry Ln. (39.57355, -86.20587)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1998-2003).
Frisco, CO Summit Co. United States	S Summit Blvd. / Peak One Blvd. / Water Dance Dr. (39.57343, -106.08514)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2021	Year Completed estimated (2019-2021).
Sparks, NV Washoe Co. United States	Los Altos Pkwy. / Belmar Dr. (39.57249, -119.69408)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2007-2008).
Palma, Autonomous Community of Balearic Islands Baleares Spain	Camino de Genova / Calle de Andrea Doria / Calle de las Illes Balears (39.57212, 2.62028)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Bear, DE New Castle Co. United States	Howell School Rd. / Robert C Peoples Blvd. (39.57198, -75.72068)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.7453	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2016-2019). ICD estimated from Google Maps linework.
Frogtown, MD Harford Co. United States	Mardic Dr. / Willrich Ct. (39.57178, -76.37160)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.3011	Other (At-Grade) Single-Lane	2001	http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Pekin, OH Warren Co. United States	Crooked Creek Dr. / Winding Run Blvd. (39.57116, -84.15387)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2019
Palma, Autonomous Community of Balearic Islands Baleares Spain	Ma-15 / Ma-3018 (39.57045, 2.68594)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Reno, NV Washoe Co. United States	Raggio Pkwy. / (unknown) (39.57033, -119.79414)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 73.1520	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Converted from older rotary in 2010-2011 with striping to remove concentric circulatory roadway striping.
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.
Palma, Autonomous Community of Balearic Islands Baleares Spain	(unknown) / Ma-15 EB Ramps (39.56922, 2.70128)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Pekin, OH Warren Co. United States	Bunnell Hill Rd. / E Lytle 5 Points Rd. / W Lytle 5 Points Rd. (39.56889, -84.19299)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.journal-news.com/local/video-areas-newest-roundabout-now-open-for-traffic/7WGGOA4GAZFWVI5CKXTLEY2HHE/
Aurora, CO Arapahoe Co. United States	S Sampson Gulch Way / E Clifton Dr. (39.56850, -104.69683)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2017).
Hickory, MD Harford Co. United States	Water Tower Way / Granary Rd. (39.56845, -76.35713)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.0960	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Palma, Autonomous Community of Balearic Islands Baleares Spain	Ma-15 / Ma-30 Ramps (39.56833, 2.71054)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Littleton, CO Jefferson Co. United States	S Platte Canyon Rd. / S Kendall Blvd. / W Chatfield Ave. (39.56787, -105.06207)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.3029	Other (At-Grade) Single-Lane	2018	Merging right-turn bypass lanes on west and south legs. Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Reno, NV Washoe Co. United States	Ferrari McLeod Blvd. / Remington Park Dr. (39.56671, -119.81484)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2010).
Bel Air North, MD Harford Co. United States	Water Tower Way / Bynum Rd. (39.56671, -76.35712)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2019	http://harfordcountymd.gov/ArchiveCenter/ViewFile/Item/1683
Martinsville, IN Morgan Co. United States	SR 144 / Old SR 37 (39.56651, -86.25263)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2023
Bargersville, IN Johnson Co. United States	SR 144 / I-69 SB Ramps (39.56591, -86.24760)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2022	Interchange replaced at-grade signalized intersection.
Bargersville, IN Johnson Co. United States	SR 144 / CR 144 / I-69 NB Ramps (39.56557, -86.24616)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2022	Interchange replaced at-grade signalized intersection.
(unincorporated), CO Douglas Co. United States	Blackgum St. / Golden Eye Ave. (39.56456, -104.80327)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 31.3044	Other (At-Grade) Single-Lane	2001	No splitter islands. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Bear, DE New Castle Co. United States	Primrose Dr. (39.56431, -75.74240)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Bel Air, MD Harford Co. United States	Thomas Run Rd. / Cross Campus Dr. (39.56164, -76.28699)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2012
Glenwood Springs, CO Garfield Co. United States	Mel Ray Rd. / I-70 WB Ramps / US 6 (39.56142, -107.36127)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 44.1965	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Maps linework.
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).
Glenwood Springs, CO Garfield Co. United States	Mel Ray Rd. / I-70 EB Ramps / Midland Ave. / Riverine Rd. (39.56019, -107.36139)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.9595	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	1 of 2 at Exit 114 on I-70, observed under construction in 2005. ICD estimated from Google Maps linework.
Sparks, NV Washoe Co. United States	N D'Andrea Pkwy. / Amore Dr. (39.55847, -119.70259)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2002
Engelwood, CO Douglas Co. United States	Aviator Way / Aviator Ln. (39.55846, -104.84554)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2003). South leg added 2004-2005.
Fountain Green, MD Harford Co. United States	Prospect Mill Rd. / Wagner Rd. (39.55824, -76.30247)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.3072	Other (At-Grade) Single-Lane	2002	http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 Functional Class: Collector ICD estimated from Google Maps linework.
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).
Sparks, NV Washoe Co. United States	N D'Andrea Pkwy. / San Marino (39.55763, -119.70347)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2000	Painted splitter islands on east and south legs. Oval shaped. ICD = 100 ft x 85 ft. Year Completed estimated (1999-2002).
Reno, NV Washoe Co. United States	Northtowne Ln. / Wal-Mart entrance (39.55531, -119.78230)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.3085	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Inspiration, CO Douglas Co. United States	Gartrell Rd. / E Rocky Top Ave. (39.55491, -104.70847)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2021).
Havre de Grace, MD Harford Co. United States	Chapel Rd. / Bulle Rock Pkwy. (39.55465, -76.12813)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.9922	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Highlands Ranch, CO Douglas Co. United States	Park Central Dr. (39.55360, -105.00475)	Other Existing	Unknown Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Parking along circulatory roadway. Pedestrian access to central island.
Lathrop, MO Clinton Co. United States	US 69 / MO-116 (39.55283, -94.23581)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.modot.org/clinton-county-us-route-69-and-route-116-intersection-improvement-project
Havre de Grace, MD Harford Co. United States	N Meadows Circle (39.55272, -76.13636)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands.
Parker, CO Douglas Co. United States	Inspiration Dr. / E Inspiration Ln. (39.55206, -104.73065)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2015
Reno, NV Washoe Co. United States	Wedekind Rd. / Clear Acre Ln. (39.55157, -119.78930)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.0222	Other (At-Grade) Single-Lane	1999	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Sparks, NV Washoe Co. United States	S.D. Andrea Pkwy. / San Marino Dr. (39.55103, -119.70213)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands on three legs.
Parker, CO Douglas Co. United States	Crown Crest Blvd. / Cottonwood Dr. (39.55051, -104.77237)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 50.6497	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
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.
Glenwood Springs, CO Garfield Co. United States	US 6 (6th St.) / Laurel St. / N River Dr. (39.55027, -107.32708)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7572	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Havre de Grace, MD Harford Co. United States	Bulle Rock Pkwy. / (future road) (39.54923, -76.12871)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Bel Air North, MD Harford Co. United States	Moores Mill Rd. / Southampton Rd. (39.54847, -76.33536)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.6279	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Bargersville, IN Johnson Co. United States	Whiteland Rd. / Morgantown Rd. (39.54793, -86.19682)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6003	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Bargersville, IN Johnson Co. United States	CR 144 / Whiteland Rd. (39.54763, -86.20309)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.0471	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Silt, CO Garfield Co. United States	US 6 (Main St. / ) / 9th St. (39.54703, -107.65360)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.1028	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Havre de Grace, MD Harford Co. United States	Blenheim Farm Ln. / Bounding Home Ct. (39.54665, -76.13521)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 30.3915	Other (At-Grade) Single-Lane	2006	Painted splitter islands on north and south legs, no splitter islands on east and west legs. ICD estimated from Google Maps linework.
Bel Air North, MD Harford Co. United States	Red Pump Rd. / Yankee Doodle Dr. (39.54551, -76.37994)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2010
Reno, NV Washoe Co. United States	N Virginia St. (US 395 Business) / (parking garage access) (39.54472, -119.81955)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.ktvn.com/story/43108127/major-construction-on-virginia-street-project-is-finished
Reno, NV Washoe Co. United States	W Stadium Way / E 15th St. (39.54425, -119.81704)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 30.4800	Other (At-Grade) Single-Lane	2016
Bel Air, MD Harford Co. United States	Moores Mill Rd. / Brushing Ln. (39.54368, -76.32365)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6298	Other (At-Grade) Single-Lane	2001	http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Middletown, DE New Castle Co. United States	Crossland Blvd. / Parker Dr. / Ann Dr. (39.53984, -75.66159)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands on two legs.
Logan, OH Hocking Co. United States	SR 664 / US 33 NB Ramps (39.53922, -82.44119)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Single-Lane	2013	Bypass lane on south leg.
Logan, OH Hocking Co. United States	SR 664 / US 33 SB Ramps (39.53801, -82.44250)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Single-Lane	2013	Bypass lane in northwest quadrant.
Reno, NV Washoe Co. United States	Somersett Pkwy. / Forest Willow Trl. (39.53680, -119.93605)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.8434	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Reno, NV Washoe Co. United States	Somersett Pkwy. / Back Nine Trl. (39.53645, -119.94467)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.5280	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
The Legends at Sparks Marina, NV Washoe Co. United States	E Lincoln Way / Legends Bay Dr. (39.53584, -119.72049)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.2916	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2007-2010). ICD estimated from Google Maps linework.
(unincorporated), CO Douglas Co. United States	Lioness Way / Lioness Pl. (39.53520, -104.84861)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.5287	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Reno, NV Washoe Co. United States	Somersett Pkwy. / Logon Ridge Trl. / Evening Rock Trl (39.53394, -119.92088)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.9773	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	Lincoln Meadows Pkwy. / S Twenty Mile Rd. (39.53380, -104.77565)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	Year Completed estimated (2003-2004).
The Legends at Sparks Marina, NV Washoe Co. United States	E Lincoln Way / George Ferris Dr. / Scheels Dr. (39.53367, -119.71882)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 68.1634	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2007-2010). ICD estimated from Google Maps linework.
Reno, NV Washoe Co. United States	Somersett Pkwy. / Autumn Ridge Cir. / Morgan Point Cir. (39.53265, -119.91611)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 50.6627	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
(unincorporated), CO Douglas Co. United States	Ridgegate Pkwy. / Ridgegate Cir. / Commons St. (39.53187, -104.88300)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.4267	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework.
Reno, NV Washoe Co. United States	Somersett Pkwy. / Town Square Way (39.53182, -119.91117)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 46.0576	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	ICD estimated from Google Maps linework.
Northwest, NV Washoe Co. United States	Town Square Ln. / Lone Oak Trl. (39.53142, -119.91215)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Meridian Inernational Business Center, CO Douglas Co. United States	Tall Oaks St. / Bristleridge Dr. (39.53104, -104.82951)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
(unincorporated), CO Douglas Co. United States	Meridian Village Pkwy. / Bristleridge Dr. (39.53102, -104.82616)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.2946	Other (At-Grade) Single-Lane	2006	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
Middletown, DE New Castle Co. United States	Jamison Corner Rd. / Lornwood Grove Rd. (39.53013, -75.67821)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.5316	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
(unincorporated), CO Douglas Co. United States	Ridgegate Pkwy. / Ridgegate Cir. / Park Meadows Blvd. (39.52945, -104.87450)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.3498	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework.
(unincorporated), CO Douglas Co. United States	Meridian Village Pkwy. / Ashgrove Dr. (39.52786, -104.82450)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.3754	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Reno, NV Washoe Co. United States	E 2nd St. / Giroux St. (39.52751, -119.79198)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2021	Giroux Street is one-way away from the intersection; previous intersection only had one conflicting vehicular movement (EBLT) and three pedestrian crossings. Year Completed estimated (2018-2021).
Aberdeen, MD Harford Co. United States	Beards Hill Rd. / Middleton Rd. / Olympic Square (39.52719, -76.17773)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6364	Other (At-Grade) Single-Lane	2019	https://www.baltimoresun.com/maryland/harford/aegis/cng-ag-aberdeen-roundabout-opens-0927-20190926-2itkrrn43jctnkw2ch6et7ky7m-story.html ICD estimated from Google Maps linework.
Middletown, DE New Castle Co. United States	Jamison Corner Rd. / Hyatt's Corner Rd. (39.52718, -75.67941)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.3758	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Littleton, CO Douglas Co. United States	Chatfield Lake Rd. / N Roxborough Park Rd. (39.52660, -105.05232)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2020	Merging right-turn bypass lane on south leg.
Bel Air, MD Harford Co. United States	English Manor Ln. / Squire Ln. / Canterbury Rd. (39.52643, -76.36371)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Breckenridge, CO Summit Co. United States	CO-9 / Stan Miller Dr. / Fairview Blvd. (39.52585, -106.04534)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.5341	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.