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
Greenwood Village, CO Arapahoe Co. United States	S. Monaco St. / E. Ida Ave. (39.61082, -104.91350)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 14.7216	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Greenwood Village, CO Arapahoe Co. United States	S. Monaco St. / E. Dorado Pl. (39.61199, -104.91350)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 11.0410	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Greenwood Village, CO Arapahoe Co. United States	S. Monaco St. / E. Dorado Ave. (39.61319, -104.91350)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 9.2007	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Greenwood Village, CO Arapahoe Co. United States	S. Monaco St. / E. Berry Ave. (39.61682, -104.91340)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 11.9603	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Phoenix, AZ Maricopa Co. United States	S. Melon Ln. / W. Country Place Blvd. (33.41839, -112.27850)	Roundabout Existing	All-Way Yield None	2 Approaches 2 Driveways 23.9249	Other (At-Grade) Single-Lane	2004	Painted splitter islands. Functional Class: Local ICD estimated from Google Maps linework.
Stony Brook, NY Suffolk Co. United States	S. Loop Rd. / Marburger Dr. (40.90982, -73.12318)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.1041	Other (At-Grade) Single-Lane	2006	On college campus roadway. ICD estimated from Google Maps linework.
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	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. / 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. / 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.
Wake Forest, NC Wake Co. United States	S. Franklin St. / Holding Ave. (35.96929, -78.50883)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.7979	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Stuart, FL Martin Co. United States	S. Dixie Hwy / SW Joan Jefferson Way / SW Akron Ave. / SW St. Lucie Ave. (27.19928, -80.25545)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 29.7433	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Stuart, FL Martin Co. United States	S. Dixie Hwy / SR 76 / SR A1A (27.19767, -80.25266)	Other Existing	Other None	0 Approaches 0 Driveways 26.5569	Other (At-Grade) Multilane (2 Lane, unspecified)		Railroad crossing next to circle. ICD estimated from Google Maps linework.
West Des Moines, IA Dallas Co. United States	S. Crescent Way / Stagecoach Dr. (41.56252, -93.78701)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.9581	Other (At-Grade) Single-Lane	2007	Intersection of two private residential streets on former Ponderosa Golf Course. ICD estimated from Google Maps linework.
West Des Moines, IA Dallas Co. United States	S. Crescent Way / S. Ridgefield Way / Fairway Dr. (41.56541, -93.78633)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.9566	Other (At-Grade) Single-Lane	2007	Intersection of two private residential streets on former Ponderosa Golf Course. ICD estimated from Google Maps linework.
Santa Maria, CA Santa Barbara Co. United States	S. College Dr. / Southside Pkwy. (34.92111, -120.42530)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.0676	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Maria, CA Santa Barbara Co. United States	S. College Dr. / E. McCoy Ln. (34.91648, -120.42510)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8427	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	No circulatory roadway striping. Fatal crash October 15, 2009. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
Jupiter, FL Palm Beach Co. United States	S. Central Blvd. / Main St. (26.88774, -80.11160)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 119.3041	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	ICD estimated from Google Maps linework.
Jupiter, FL Palm Beach Co. United States	S. Central Blvd. / Indian Creek Pkwy. (26.91067, -80.11073)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 105.4349	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Functional Class: Arterial ICD estimated from Google Maps linework.
Jupiter, FL Palm Beach Co. United States	S. Central Blvd. / Frederick Small Rd. (26.89750, -80.11127)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 119.2938	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	S. Cedar Gulch Ln. / (unknown) (39.51289, -104.79120)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 35.9347	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Las Vegas, NV Clark Co. United States	S. Buffalo Dr. / W. Wigwam Ave. (36.03371, -115.26090)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.6669	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Las Vegas, NV Clark Co. United States	S. Buffalo Dr. / W. Pebble Rd. (36.02636, -115.26070)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.7727	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Santa Maria, CA Santa Barbara Co. United States	S. Bradley Rd. / Southside Pkwy. (34.92075, -120.42200)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0056	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Maria, CA Santa Barbara Co. United States	S. Bradley Rd. / E. McCoy Ln. (34.91219, -120.42160)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.8868	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	No circulatory roadway striping. Functional Class: Arterial 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.
Milwaukee, WI Milwaukee Co. United States	S. 6th St. / W. Virginia St. / Florida St. (43.02698, -87.91770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7816	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Built as terminal of new bridge. Signal located downstream approximately 150-200 feet away (estimated) that queues back through roundabout during weekday p.m. peak. No lane designations on approach. Functional Class: Arterial ICD estimated from Google Maps linework.
Springfield, OR Lane Co. United States	S. 42nd Street / Jasper Rd. (44.03482, -122.96210)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1932	Other (At-Grade) Single-Lane	2005	Bike lanes are dropped/resumed at the roundabout using an eight foot wide “dust pan” style driveway that is oriented perpendicular to the street centerline. ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	S. 40th St. / Sheridan Blvd. (40.77862, -96.66332)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.3669	Other (At-Grade) Single-Lane	2004	Completed August 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
Kent, WA King Co. United States	S. 216th St. / 42nd Ave. S / 40th Pl. S (47.40843, -122.28120)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 23.4402	Other (At-Grade) Single-Lane	2001	Opened July 2001. 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.
Denver, CO Arapahoe Co. United States	S Yosemite St. / E Wesley Dr. (39.67305, -104.88513)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Flagstaff, AZ Coconino Co. United States	S Woody Mountain Rd. / W Presidio Dr. (35.18308, -111.69266)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2007).
Woodland Hills, UT Utah Co. United States	S Woodland Hills Dr. / W 11200 S (40.02750, -111.65378)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2003-2004).
De Land, FL Volusia Co. United States	S Woodland Blvd (US 17-92) / Haven St. / (retail driveway) (29.01198, -81.30282)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 1 Driveways 49.0897	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Serves as main entrance to Walmart neighborhood center. No pedestrian connections beyond roundabout into site. Driveway for mobile home park directly into roundabout. ICD estimated from Google Maps linework.
Castle Rock, CO Douglas Co. United States	S Wilcox St. / South St. (39.36917, -104.86011)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	http://crgov.com/3296/Wilcox-and-South-Roundabout
Wenatchee, WA Chelan Co. United States	S Western Ave. / Cherry St. (47.41556, -120.34606)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 114.7606	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	https://www.wenatcheeworld.com/news/local/western-and-cherry-roundabout-set-to-open/article_bad76724-a124-5e7c-ab09-dcfb897a2676.html ICD estimated from Google Maps linework.
Englewood, FL Sarasota Co. United States	S West Villages Pkwy. / (unknown) (27.01472, -82.31365)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.8637	Other (At-Grade) Single-Lane	2021	Striped out inner entering, circulating, and exiting lanes.
Meridian, ID Ada Co. United States	S Wayfinder Ave. / W Cobalt Dr. (43.60115, -116.42905)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Olathe, KS Johnson Co. United States	S Warwick St. / 165th St. (38.82870, -94.80401)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 26.0515	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Trenton, NJ Mercer Co. United States	S Warren St. / Livingston St. (40.21628, -74.76458)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2013	No splitter island on southwest leg. Year Completed estimated (2010-2013).
Muncie, IN Delaware Co. United States	S Walnut St. / Seymour St. (40.18939, -85.38655)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 34.6699	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Reno, NV Washoe Co. United States	S Virginia St. (US 395 Business) / Mary St. / S Center St. (39.51483, -119.80760)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://pathofex.com/its-like-a-whole-new-world-midtown-unr-area-businesses-react-to-virginia-street-project-completion/
Fayetteville, AR Washington Co. United States	S Virginia Ave. / Stadium Dr. / Clinton Dr. (36.06191, -94.17584)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.1368	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Meridian, ID Ada Co. United States	S Vanguard Way / S Wayfinder Ave. / (parking) (43.59800, -116.43116)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2017	Right-turn-only lane on northeast leg.
Hanover Township, PA Luzerne Co. United States	S Valley Pkwy. / SR 29 WB Ramps (41.20310, -75.95814)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.1322	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2017	Part of the South Valley Parkway Project. Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Idaho Falls, ID Bonneville Co. United States	S Utah Ave. / Bridgeport Dr. (43.48859, -112.04979)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.6574	Other (At-Grade) Single-Lane	2002	Eagle Rock Fountain in center island. Roundabout was partially reconstructed with geometric improvements in 2014. Original construction was in 2002. ICD estimated from Google Maps linework.
Denver, CO Jefferson Co. United States	S Upham St. / S Evans Ave. (39.67841, -105.07776)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2016
Markham, ON York Canada	S Unionville Ave. / Unity Gardens Dr. (43.85543, -79.30360)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.5590	Other (At-Grade) Single-Lane	2013	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.
Tacoma, WA Pierce Co. United States	S Tyler St. / S 66th St. (47.19746, -122.49280)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 25.9685	Other (At-Grade) Single-Lane	2005	Opened July 2005. Fatal crash August 12. 2006. 11861-05. ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	S Troy Hill Rd. / Joystone Dr. (38.82702, -104.72760)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 38.1000	Other (At-Grade) Single-Lane	2019
Las Cruces, NM Dona Ana Co. United States	S Triviz Dr. / (connector to University Dr.) / I-25 SB On-Ramp (32.28619, -106.73984)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.8637	Freeway Ramps (Grade-Separated) Single-Lane	2021
Las Cruces, NM Dona Ana Co. United States	S Triviz Dr. / (connector to University Dr.) / I-25 SB Off-Ramp (32.28732, -106.74007)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2021
Monona, WI Dane Co. United States	S Towne Dr. / Industrial Dr. (43.04082, -89.35458)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9158	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Near Super-Walmart. Opened August 7, 2007. ICD estimated from Google Maps linework.
Bel Air South, MD Harford Co. United States	S Tollgate Rd. / W Ring Factory Rd. (39.50873, -76.34550)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.5652	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2007). ICD estimated from Google Maps linework.
Bel Air South, MD Harford Co. United States	S Tollgate Rd. / Plumtree Rd. (39.50070, -76.33349)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.3332	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	S Tejon St. / Cascade Ave. / Cheyenne Blvd. / E Ramona Ave. (38.80932, -104.82650)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	Oblong shaped. https://gazette.com/cheyenneedition/traffic-circle-a-new-addition-to-ivywild-neighborhood/article_3fcc22d0-9c41-11ea-9167-03e005636fa2.html
Hastings, NE Adams Co. United States	S Technical Blvd. / E Military Dr. (40.57940, -98.32650)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2011
Hastings, NE Adams Co. United States	S Technical Blvd. / E Community Dr. (40.57708, -98.32652)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2011
Terre Haute, IN Vigo Co. United States	S Sycamore Terrace St. / New Margaret Dr. (39.43997, -87.34235)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0408	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Show Low, AZ Navajo Co. United States	S Summit Trl. / W Sugar Pine Way / Spirea Ln. (34.24039, -110.07928)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 31.0896	Other (At-Grade) Single-Lane	2007	No splitter islands on two legs, and diverging double yellow lines on two legs.
Show Low, AZ Navajo Co. United States	S Summit Trl. / Falling Leaf Rd. (34.23781, -110.07255)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2007	No splitter islands on two legs, and diverging double yellow lines on two legs.
Show Low, AZ Navajo Co. United States	S Summit Trl. / (parking) (34.23113, -110.06795)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2007	No splitter islands on two legs, and diverging double yellow lines on two legs.
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).
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.
Spokane, WA Spokane Co. United States	S Stonington Ln. / E 42nd Ave. (47.61546, -117.37287)	Traffic Calming Circle Existing	Uncontrolled None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2004
Bluffdale, UT Salt Lake Co. United States	S Stone Fly Dr. / Gray Wulff Dr. (40.49285, -111.92039)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2007
Liberty, MO Clay Co. United States	S Stewart Rd. / (parking) (39.24344, -94.45337)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5277	Other (At-Grade) Single-Lane	2016	Add-lane right-turn bypass lane on south leg.
Comstock Township, MI Kalamazoo Co. United States	S Sprinkle Rd. / I-94 WB Off-Ramp / E Cork St. (42.26233, -85.53094)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 62.4840	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2015
Kalamazoo, MI Kalamazoo Co. United States	S Sprinkle Rd. / I-94 EB Ramps (42.25819, -85.53116)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 73.1520	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2015
Orem, UT Utah Co. United States	S Sleepy Ridge Dr. / S Fairway Ln. (40.28305, -111.74283)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2005
Antigonish County, NS Antigonish Canada	S Side Harbour Rd. / Rte 104 WB Ramps (45.60139, -61.90490)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.7940	Freeway Ramps (Grade-Separated) Single-Lane	2014	Year Completed estimated (2011-2016). ICD estimated from Google Maps linework.
Alta Vista, FL Sarasota Co. United States	S Shade Ave. / Novus St. (27.32957, -82.52205)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Fitchburg, WI Dane Co. United States	S Seminole Hwy. / Lacy Rd. (43.00116, -89.45924)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2023	https://www.wmtv15news.com/2023/11/17/lacy-road-construction-is-complete-with-added-speed-reductions/
Columbia, MO Boone Co. United States	S Scott Blvd. / Vawter School Rd. / S Brushwood Lake Rd. (38.91264, -92.40001)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.3846	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Manhattan, KS Riley Co. United States	S Scenic Dr. / Skyway Dr. / K-18 WB Ramps (39.15547, -96.64423)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 74.0900	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	Year Completed estimated (2012-2013)/ ICD estimated from Google Maps linework.
Manhattan, KS Riley Co. United States	S Scenic Dr / K-18 EB Ramps (39.15310, -96.64301)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 57.4217	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	Raindrop shape. Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Bloomington, IN Monroe Co. United States	S Sare Rd. / E Rogers Rd. (39.13582, -86.49651)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.5400	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Vista, CA San Diego Co. United States	S Santa Fe Ave. / Pala Vista Dr. (33.19467, -117.23597)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 33.5280	Other (At-Grade) Single-Lane	2021	Open to traffic 2021 but incomplete. Year Completed estimated (2021-2022).
Vista, CA San Diego Co. United States	S Santa Fe Ave. / Guajome St. (33.19747, -117.23982)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 32.0040	Other (At-Grade) Single-Lane	2020
Vista, CA San Diego Co. United States	S Santa Fe Ave. / Eucalyptus Ave. (33.19938, -117.24162)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 32.0040	Other (At-Grade) Single-Lane	2016	Northwest and southeast S Santa Fe Avenue legs were reduced from two lanes to one lane in each direction 2015-2016.
Hurricane, UT Washington Co. United States	S Sand Hollow Rd. / Gateway Blvd. (37.16339, -113.37305)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 82.2960	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2025	Add-lane right-turn bypass lane on north leg. Merging right-turn bypass lane on west leg.
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).
Conway, AR Faulkner Co. United States	S Salem Rd. / Pebble Beach Rd (35.04762, -92.47673)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.1107	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Florence, AL Lauderdale Co. United States	S Royal Ave. / Huntsville Rd. (34.80366, -87.65835)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 65.7055	Other (At-Grade) Single-Lane	2019	https://www.waaytv.com/content/news/Florences-first-roundabout-is-open-514219251.html ICD estimated from Google Maps linework.
Bloomington, IN Monroe Co. United States	S Rogers St. / W Gordon Pike (39.12159, -86.53923)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, unspecified)	2019
West Palm Beach, FL Palm Beach Co. United States	S Robbins Dr. / Ontario Pl. (26.71234, -80.08679)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
West Lafayette, IN Tippecanoe Co. United States	S River Rd. / Williams St. / Tapawingo Dr. (40.41833, -86.90641)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.0104	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
McHenry, IL McHenry Co. United States	S River Rd. / Dowell Rd. (42.29240, -88.21199)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.3388	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Salinas, CA Monterey Co. United States	S Riker St. / Woodside Dr. (36.66051, -121.66402)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane	2018
Salinas, CA Monterey Co. United States	S Riker St. / W Romie Ln. (36.66382, -121.66284)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2018
Salinas, CA Monterey Co. United States	S Riker St. / Orange Dr. (36.66228, -121.66338)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2018
Salinas, CA Monterey Co. United States	S Riker St. / Nissen Rd. (36.65955, -121.66437)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane	2018
Rogers, AR Benton Co. United States	S Rife Medical Ln. / W Northgate Rd. / (parking) (36.30603, -94.18317)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-lane w/ Traversable Central Island	2023	Serves Mercy Hospital Northwest Arkansas. Merging right-turn bypass lane on southwest leg. https://www.youtube.com/watch?v=slv12WuciNU
Olathe, KS Johnson Co. United States	S Ridgeview Rd. / Sheridan Bridge Ln. (38.85959, -94.79741)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Year Completed estimated (2021-2022).
Olathe, KS Johnson Co. United States	S Ridgeview Rd. / E Frontier Ln. (38.86395, -94.79728)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2021-2022).
Castle Rock, CO Douglas Co. United States	S Ridge Rd. / Rapport Dr. (39.35511, -104.81475)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2020
Middletown, DE New Castle Co. United States	S Ridge Ave / Private Driveway (39.44821, -75.73234)	Roundabout Existing	Unknown None	4 Approaches 0 Driveways 40.5794	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.