| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Edmonton,
                AB Edmonton Capital Region Canada | 107th Ave. / 142nd St. NW (53.55102, -113.56580) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 81.5992 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Edmonton,
                AB Edmonton Capital Region Canada | Connors Rd. NW / 85th St. NW / 83rd St. NW / 90th Ave. NW (53.52501, -113.45750) | Rotary Removed | Unknown Unknown | 5 Approaches 0 Driveways 25.5598 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | Rotary converted to signalized intersection in 2019 to make way for LRT. https://edmontonjournal.com/news/local-news/love-it-or-hate-it-bonnie-doon-traffic-circle-to-be-removed-in-favour-of-four-way-intersection/ | 
| Seattle,
                WA King Co. United States | 16th Ave. E. / E. Spring St. (47.61154, -122.31150) | Traffic Calming Circle Existing | Unknown Unknown | 4 Approaches 0 Driveways 8.8568 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Seattle,
                WA King Co. United States | 15th Ave. E. / E. Spring St. (47.61155, -122.31280) | Traffic Calming Circle Existing | Unknown Unknown | 4 Approaches 0 Driveways 44.2838 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Seattle,
                WA King Co. United States | 16th Ave. E. / E. Marion St. (47.61037, -122.31150) | Traffic Calming Circle Existing | Unknown Unknown | 4 Approaches 0 Driveways 9.6621 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Seattle,
                WA King Co. United States | 17th Ave. E. / E. Marion St. (47.61036, -122.31020) | Traffic Calming Circle Existing | Unknown Unknown | 4 Approaches 0 Driveways 6.4414 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Seattle,
                WA King Co. United States | Ashworth Ave. N / N 137th St. (47.72868, -122.33970) | Traffic Calming Circle Existing | Unknown Unknown | 4 Approaches 0 Driveways 14.4604 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Seattle,
                WA King Co. United States | Wallingford Ave. N / N 137th St. (47.72868, -122.33690) | Traffic Calming Circle Existing | Unknown Unknown | 4 Approaches 0 Driveways 12.8537 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Hollymead,
                VA Albemarle Co. United States | Ashwood Blvd. / Stratford Glen / Chimney Rd. (38.10672, -78.43133) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 22.5545 | Other (At-Grade) Single-Lane | 2001 | ICD estimated from Google Maps linework. | 
| Bedford,
                VA Bedford Co. United States | London Park Dr. / Meade Rd. / Meadow Down Dr. (37.30592, -79.33699) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2006 | https://www.wdbj7.com/2020/07/28/meade-road-extension-to-be-completed-soon/ | 
| Chesterfield Court House,
                VA Chesterfield Co. United States | Mimms Dr. / Government Center Pkwy. (37.37778, -77.50466) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 53.1481 | Other (At-Grade) Single-Lane | 2003 | Right-turn-only lane on north leg. ICD estimated from Google Maps linework. | 
| Hollymead,
                VA Albemarle Co. United States | Timberwood Blvd. / Conner Blvd. (38.13065, -78.44083) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.8813 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Hollymead,
                VA Albemarle Co. United States | Timberwood Blvd. / Grand Forks Blvd. (38.13111, -78.44283) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 93.9459 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Hollymead,
                VA Albemarle Co. United States | Powell Creek Dr. / Timberwood Pkwy. / Shady Brook Trl. (38.11509, -78.43404) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 25.3710 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Winchester,
                VA Frederick Co. United States | Airport Rd. / Victory Rd. (39.13417, -78.13571) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 32.4242 | Other (At-Grade) Single-Lane | 2004 | Year Completed estimated (2003-2005). ICD estimated from Google Maps linework. | 
| Short Pump,
                VA Goochland Co. United States | Capitol One Dr. / Tuckahoe Creek Pkwy. access (37.63382, -77.67312) | Roundabout Existing | Unknown Unknown | 3 Approaches 0 Driveways 38.7788 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Short Pump,
                VA Goochland Co. United States | Capitol One Dr. / VA 288 Ramps (37.63224, -77.67027) | Roundabout Existing | Unknown Unknown | 3 Approaches 0 Driveways 53.9131 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Linton Hall,
                VA Prince William Co. United States | Tartan Hills Pkwy (VA 3254) / Broadsword Dr. (VA 3256) (38.74232, -77.58066) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.9462 | Other (At-Grade) Single-Lane | 2003 | ICD estimated from Google Maps linework. | 
| Linton Hall,
                VA Prince William Co. United States | Braemar Pkwy. (VA 3080) / Iona Sound Dr. (VA 3089) (38.73510, -77.56889) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 46.5816 | Other (At-Grade) Single-Lane | 1999 | Year Completed estimated (1994-2002). ICD estimated from Google Maps linework. | 
| Amherst,
                VA Amherst Co. United States | US 60 / US 29 (37.58815, -79.04990) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.2314 | Other (At-Grade) Single-Lane | 2004 | Constructed in 1936, upgraded in 1940 and again in 2004. ICD estimated from Google Maps linework. | 
| Port St. Lucie,
                FL St. Lucie Co. United States | SE Westmoreland Blvd. / Morningside Blvd. (27.25997, -80.30961) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 49.8991 | Other (At-Grade) Single-Lane | 2002 | ICD estimated from Google Maps linework. | 
| Spokane,
                WA Spokane Co. United States | SR 206 (Mt. Spokane Park Dr.) / Bruce Rd. (47.78761, -117.30400) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.3076 | Other (At-Grade) Single-Lane | 2005 | http://www.wsdot.wa.gov/Projects/SR206/BruceRoadRoundabout/. Opened December 2005. Previously controlled by 2-way stop control ICD estimated from Google Maps linework. | 
| Spokane,
                WA Spokane Co. United States | Wellesley Ave. / A St. (47.70076, -117.45400) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.7401 | Other (At-Grade) Single-Lane | 2005 | Opened October 2005. ICD estimated from Google Maps linework. | 
| Petaluma,
                CA Sonoma Co. United States | Casa Grande Rd. / Ely Blvd. (38.24348, -122.59580) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.8924 | Other (At-Grade) Single-Lane | 1999 | ICD estimated from Google Maps linework. | 
| Phoenix,
                AZ Maricopa Co. United States | W Riverwood Blvd. / W Kirby Ave. (33.41608, -112.27480) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 16.9473 | Other (At-Grade) Single-Lane | 2002 | Painted splitter islands. ICD estimated from Google Maps linework. | 
| Cottonwood,
                AZ Yavapai Co. United States | AZ 89A / Avenida Centerville (34.75854, -112.05880) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.0983 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Clarkdale,
                AZ Yavapai Co. United States | AZ 89A / Cement Plant Rd. / Clarkdale Pkwy. (34.76220, -112.06416) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Series of 5 roundabouts. Yield-controlled right-turn bypass lane on east leg. Year Completed estimated (2007-2009). | 
| Cottonwood,
                AZ Yavapai Co. United States | AZ 89A / Groseta Ranch Rd. (34.74706, -112.04510) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 46.1235 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Cottonwood,
                AZ Yavapai Co. United States | AZ 89A / Lisa St. / Lincoln Dr. (34.75449, -112.05400) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.0444 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Marshall,
                MI Calhoun Co. United States | I-94 Business (W Michigan Ave.) / M-227 (Kalamazoo Ave.) (42.27199, -84.96413) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 83.0730 | Other (At-Grade) Unknown | ICD estimated from Google Maps linework. | |
| Homer,
                MI Calhoun Co. United States | Hillsdale St. / Main St. (42.14585, -84.80890) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 39.8485 | Other (At-Grade) Single-Lane | Before 1999. ICD estimated from Google Maps linework. | |
| Tamarack Resort,
                ID Valley Co. United States | West Mountain Rd. / Village Dr. (44.66998, -116.11130) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.9203 | Other (At-Grade) Single-Lane | 2005 | 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. | 
| 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. | 
| Fort Walton Beach,
                FL Oskaloosa Co. United States | Hollywood Blvd. / Hill Ave. (30.41394, -86.66806) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 29.8704 | Other (At-Grade) Single-Lane | 1995 | Anderson Drive to south is disconnected at roundabout. | 
| 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. | 
| South Windsor,
                CT Hartford Co. United States | Hemlock Ave. / Evergreen Way (41.81417, -72.55495) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.3975 | Other (At-Grade) Single-Lane | 2004 | Roundabout is part of The Shops at Evergreen Walk retail center. ICD estimated from Google Maps linework. | 
| Seattle,
                WA King Co. United States | 21st Ave. E / E. Republican St. (47.62320, -122.30470) | Traffic Calming Circle Existing | Unknown Unknown | 0 Approaches 0 Driveways 5.6349 | Other (At-Grade) Unknown | 2006 | ICD estimated from Google Maps linework. | 
| Payson,
                AZ Gila Co. United States | SR 87 / Tyler Pkwy / Home Depot Entrance (34.26614, -111.32200) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.4034 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | ICD estimated from Google Maps linework. | 
| Brighton,
                MI Livingston Co. United States | Lee Rd. / Whitmore Lake Rd. (42.50627, -83.76012) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.2622 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Linked with US 23 SB Ramps/Lee Rd. roundabout. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Jackson,
                MI Jackson Co. United States | 4th St. / West Ave. (42.22067, -84.41847) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.3790 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2002 | Between 1999 and 2005. ICD estimated from Google Maps linework. | 
| Orion Township,
                MI Oakland Co. United States | Baldwin Rd. / Indianwood Rd. / Coats Rd. (42.78413, -83.31979) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 49.0862 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | ICD estimated from Google Maps linework. | 
| Litchfield Park,
                AZ Maricopa Co. United States | Wigwam Creek Blvd. / (unknown) (33.51746, -112.32560) | Traffic Calming Circle Existing | Unknown Unknown | 4 Approaches 0 Driveways 17.9232 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Port St. Lucie,
                FL St. Lucie Co. United States | SE Westmorelane Blvd. / Gowan Dr. (27.25913, -80.29256) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 26.5423 | Other (At-Grade) Single-Lane | 2002 | ICD estimated from Google Maps linework. | 
| Port St. Lucie,
                FL St. Lucie Co. United States | SE Westmorelane Blvd. / Bakersfield St. (27.25836, -80.28521) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.7276 | Other (At-Grade) Single-Lane | 2002 | ICD estimated from Google Maps linework. | 
| Muskegon Township,
                MI Muskegon Co. United States | Chesapeake Dr. / Walker Rd. (43.23787, -86.17437) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.4138 | Other (At-Grade) Single-Lane | 2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| Southlake,
                TX Tarrant Co. United States | E. Continental Blvd. / S. Carroll Ave. (32.92622, -97.12830) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2004 | Elementary school and city park located on NW corner. Asphalt construction. | 
| Owensboro,
                KY Daviess Co. United States | KY 56 / KY 81 (37.75357, -87.17403) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 39.6605 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Albuquerque,
                NM Bernalillo Co. United States | 8th St. / Central Ave. (35.08526, -106.65660) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 27.3649 | Other (At-Grade) Single-Lane | 2007 | Transition between downtown Functional Class: Minor Arterial ICD estimated from Google Maps linework. | 
| Frankfort,
                KY Franklin Co. United States | Cardwell Lane / C. Michael Davenport Blvd. (38.16095, -84.91826) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 34.7458 | Other (At-Grade) Single-Lane | 2015 | Functional Class: Major Collector ICD estimated from Google Maps linework. | 
| Santa Fe,
                NM Santa Fe Co. United States | Botulph Rd. / Arroyo Chamiso Rd. / Miguel Chavez Rd. (35.64938, -105.94790) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.1153 | Other (At-Grade) Single-Lane | 2002 | Urban Compact, Southeast Santa Fe neighborhood Functional Class: Minor Collector ICD estimated from Google Maps linework. | 
| Santa Fe,
                NM Santa Fe Co. United States | Zafarano Dr. / San Ignatio Rd. (35.64579, -106.01394) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.9988 | Other (At-Grade) Single-Lane | 2006 | Southwest Santa Fe near Lowes Building Supply. ICD estimated from Google Maps linework. | 
| Santa Fe,
                NM Santa Fe Co. United States | Richards Ave. / College Dr. (35.60719, -106.00060) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 30.1017 | Other (At-Grade) Single-Lane | 2003 | Community College District South of I-25 Previously controlled by 2 way stop Functional Class: Minor Arterial ICD estimated from Google Maps linework. | 
| Santa Fe,
                NM Santa Fe Co. United States | Rufina St. / Zafarano Dr. (35.64938, -106.01476) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 32.0268 | Other (At-Grade) Single-Lane | 2007 | ICD estimated from Google Maps linework. | 
| Seattle,
                WA King Co. United States | Corliss Ave. N / N 39th St. (47.65429, -122.33140) | Traffic Calming Circle Existing | Unknown Unknown | 0 Approaches 0 Driveways 12.8720 | Other (At-Grade) Unknown | ICD estimated from Google Maps linework. | |
| Santa Fe,
                NM Santa Fe Co. United States | Governor Miles Rd. / (unnamed) (35.62729, -106.01980) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 26.2110 | Other (At-Grade) Single-Lane | 2003 | South Santa Fe East of Cerrillos Road Functional Class: Minor Collector ICD estimated from Google Maps linework. | 
| Seattle,
                WA King Co. United States | Bagley Ave. N / N 39th St. (47.65431, -122.33260) | Traffic Calming Circle Existing | Unknown Unknown | 0 Approaches 0 Driveways 12.8720 | Other (At-Grade) Unknown | ICD estimated from Google Maps linework. | |
| Seattle,
                WA King Co. United States | Meridian Ave. N / N 37th St. (47.65196, -122.33386) | Traffic Calming Circle Existing | Uncontrolled Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Seattle,
                WA King Co. United States | Corliss Ave. N / N 37th St. (47.65195, -122.33150) | Traffic Calming Circle Existing | Unknown Unknown | 0 Approaches 0 Driveways 16.8953 | Other (At-Grade) Unknown | ICD estimated from Google Maps linework. | |
| Central Oahu Regional Park,
                HI Oahu Co. United States | Ka Uka Blvd. / Waipio Uka St. (21.41762, -158.00730) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1385 | Other (At-Grade) Single-Lane | 2002 | Completed prior to 2006 Construction stage aerial in Google Earth. Functional Class: Park Road ICD estimated from Google Maps linework. | 
| Salt Lake,
                HI Oahu Co. United States | Ala Napunani St. / Likini St. (21.34596, -157.90180) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 24.4727 | Other (At-Grade) Single-Lane | 2001 | Existing prior to 2006, includes driveway as 4th leg. Functional Class: Collector ICD estimated from Google Maps linework. | 
| Los Alamos,
                NM Los Alamos Co. United States | Diamond Dr. / San Ildefonso Rd. (35.89893, -106.29866) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.0241 | Other (At-Grade) Single-Lane | 2008 | Redesign of existing traffic circle; previously controlled by 1 stop, 3 yields. Right-turn bypass lanes on west and east legs. Year Completed estimated (2006-2009). ICD estimated from Google Maps linework. | 
| Pearl Harbor Naval Base (Ford Island),
                HI Oahu Co. United States | Ford Island Blvd. / Saratoga Blvd. (21.36689, -157.95610) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 52.2752 | Other (At-Grade) Single-Lane | 2006 | Existing prior to 2005. Relocated in 2005/2006. Functional Class: Collector ICD estimated from Google Maps linework. | 
| Honolulu,
                HI Oahu Co. United States | Keeaumoku St. / Heulu St. (21.30592, -157.83500) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 17.8032 | Other (At-Grade) Single-Lane | 1999 | Urban. ICD estimated from Google Maps linework. | 
| Sedona,
                AZ Coconino Co. United States | AZ 89A / AZ 179 (34.86597, -111.76370) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.1774 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Sedona,
                AZ Coconino Co. United States | AZ 89A / Brewer Rd. (34.86599, -111.76500) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 37.2376 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Clarkdale,
                AZ Yavapai Co. United States | Clarkdale Pkwy. / Mountain Gate Dr. (34.76500, -112.06276) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2005 | Year Completed estimated (2003-2006). | 
| Acoma Indian Reservation,
                NM McKinley Co. United States | Silver Dollar Rd. / Veterans Blvd. (35.07119, -107.56000) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 43.0093 | Other (At-Grade) Single-Lane | 2010 | Near Hospital, low ADT, series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| Honolulu,
                HI Oahu Co. United States | Haloa Dr. / Ala Oli St. (21.36132, -157.92560) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 22.2456 | Other (At-Grade) Single-Lane | 2005 | Constructed prior to 2006 in Foster Village subdivision. ICD estimated from Google Maps linework. | 
| Boston,
                MA Suffolk Co. United States | Old Colony Ave. / Columbia Rd. / Southampton St. (42.32935, -71.05222) | Rotary Existing | Unknown Unknown | 5 Approaches 0 Driveways 66.2213 | Other (At-Grade) Multilane (2 Lane, unspecified) | Functional Class: Arterial ICD estimated from Google Maps linework. | |
| Boston,
                MA Suffolk Co. United States | Columbia Rd. / William J. Day Blvd. (42.32172, -71.05128) | Rotary Existing | Unknown Unknown | 4 Approaches 0 Driveways 69.7616 | Other (At-Grade) Multilane (2 Lane, unspecified) | Functional Class: Arterial ICD estimated from Google Maps linework. | |
| Marana,
                AZ Pima Co. United States | Main St. / Civic Center Dr. (32.44841, -111.21150) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 34.2674 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Newport,
                RI Newport Co. United States | J. T. Connell Hwy. / Admiral Kalbfus Rd. (41.50703, -71.31757) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2022 | Conversion from rotary to roundabout. https://www.newportthisweek.com/articles/rotary-morphing-into-a-roundabout/ | 
| Kingston,
                RI Washington Co. United States | Kingstown Rd. / Point Judith Rd. (41.43422, -71.48238) | Rotary Existing | Unknown Unknown | 3 Approaches 0 Driveways 81.4821 | Other (At-Grade) Multilane (2 Lane, unspecified) | Functional Class: Arterial ICD estimated from Google Maps linework. | |
| Quincy,
                MA Norfolk Co. United States | Washington St (Rte 3A) / Dee Rd (42.24553, -70.97224) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 66.3095 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | Rotary update ICD estimated from Google Maps linework. | 
| Hingham,
                MA Plymouth Co. United States | Rte. 3A (Summer St.) / Chief Justic Cushing Hwy. / Green St. (42.24615, -70.88130) | Rotary Existing | Unknown Unknown | 4 Approaches 0 Driveways 60.1200 | Other (At-Grade) Multilane (2 Lane, unspecified) | Functional Class: Arterial ICD estimated from Google Maps linework. | |
| Lakeville,
                MA Plymouth Co. United States | Rte. 44 / Rte. 28 / Rte. 18 (41.90274, -70.95914) | Rotary Existing | Unknown Unknown | 5 Approaches 0 Driveways 106.6697 | Other (At-Grade) Multilane (2 Lane, unspecified) | Functional Class: Arterial ICD estimated from Google Maps linework. | |
| Bourne,
                MA Barnstable Co. United States | US 6 / Rte. 28 (Main St.) (41.74607, -70.61805) | Rotary Existing | Unknown Unknown | 4 Approaches 0 Driveways 92.6736 | Other (At-Grade) Multilane (2 Lane, unspecified) | Functional Class: Arterial ICD estimated from Google Maps linework. | |
| Riverhead,
                NY Suffolk Co. United States | Flanders Rd. (Rte. 24) / Peconic Ave. / Lake Ave. / Riverleigh Ave. (40.91461, -72.66277) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 58.6650 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | Converted from rotary to roundabout in 2018. https://riverheadlocal.com/2018/10/26/its-been-a-long-road-to-a-new-roundabout-in-riverside-but-its-officially-completed/. ICD estimated from Google Maps linework. | 
| Riverhead,
                NY Suffolk Co. United States | Rte. 24 / CR 94 (40.91591, -72.66968) | Rotary Existing | Unknown Unknown | 3 Approaches 0 Driveways 86.6419 | Other (At-Grade) Unknown | ICD estimated from Google Maps linework. | |
| Riverhead,
                NY Suffolk Co. United States | Rte. 24 / (unknown) (40.91524, -72.66606) | Rotary Existing | Unknown Unknown | 3 Approaches 0 Driveways 48.7366 | Other (At-Grade) Unknown | ICD estimated from Google Maps linework. | |
| Riverhead,
                NY Suffolk Co. United States | Rte. 58 / Roanoke Ave. (40.93315, -72.67399) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.7005 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Was single-lane traffic circle. Redesigned, resigned, and restriped in 2009. ICD estimated from Google Maps linework. | 
| Fort Montgomery,
                NY Orange Co. United States | US 6 / US 9W / Bear Mountain Bridge (41.32020, -73.99147) | Rotary Existing | Unknown Unknown | 4 Approaches 0 Driveways 98.6676 | Other (At-Grade) Multilane (2 Lane, unspecified) | Functional Class: Arterial ICD estimated from Google Maps linework. | |
| Bear Mountain,
                NY Rockland Co. United States | US 6 / Seven Lakes Dr. (41.30530, -74.03460) | Rotary Existing | Unknown Unknown | 4 Approaches 0 Driveways 109.4564 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Squamish,
                BC Squamish-Lillooet District Canada | Commercial Way / Discovery Way (49.72279, -123.15057) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Home Depot retail center on one corner. Uses fishhook signs and pavement markings. Year Completed estimated (2004-2009). | 
| Orlando,
                FL Orange Co. United States | Arbor Park Ln. / Village Oak Ln. (28.78793, -81.35421) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 32.4483 | Other (At-Grade) Single-Lane | Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework. | |
| Orlando,
                FL Orange Co. United States | Arbor Park Ln. / Colonial Center Pkwy. / Colonial Grand Ln. (28.79006, -81.35422) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 29.3075 | Other (At-Grade) Single-Lane | Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework. | |
| Orlando,
                FL Orange Co. United States | Colonial Center Pkwy. / Parking lot access (28.79184, -81.35422) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 46.0539 | Other (At-Grade) Single-Lane | Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework. | |
| Asheville,
                NC Buncombe Co. United States | College St. / Valley St. / Oak St. (35.59719, -82.54733) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.1343 | Other (At-Grade) Single-Lane | 2005 | Entrance to downtown. Downtown redevelopment - "road diet". ICD estimated from Google Maps linework. | 
| West Jordan,
                UT Salt Lake Co. United States | W 8020 S / (parking lots) (40.60561, -111.93990) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.3888 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Grand Junction,
                CO Mesa Co. United States | Main St. / 7th St. (39.06731, -108.56104) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.8912 | Other (At-Grade) Single-Lane | 2007 | ICD estimated from Google Maps linework. | 
| Maplewood,
                MN Ramsey Co. United States | Legacy Pkwy / (unknown) (45.03324, -93.03310) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 27.0089 | Other (At-Grade) Single-Lane | 2004 | Functional Class: Local ICD estimated from Google Maps linework. | 
| Bridal Falls,
                BC Fraser Valley Regional District Canada | Hwy 9 / Yale Road East (49.18523, -121.76500) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2004 | Completed October 29, 2004. | 
| Fort Wayne,
                IN Allen Co. United States | Old Mill Rd. / Westover Rd. (41.04247, -85.15324) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 29.7261 | Other (At-Grade) Single-Lane | 2001 | Previously controlled by two-way stop control Functional Class: Collector ICD estimated from Google Maps linework. | 
| Fort Wayne,
                IN Allen Co. United States | Pontiac St. / Wayne Trace (South) / Adams St. / Pioneer St. (41.06100, -85.10003) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2003 | One of two adjacent roundabouts. | 
| Fort Wayne,
                IN Allen Co. United States | Pontiac St. / Wayne Trace (North) / Fenker Ave. / Pioneer St. (41.06183, -85.09948) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2003 | One of two adjacent roundabouts. | 
| Dublin,
                OH Union Co. United States | Hyland-Croy Rd. / Glacier Ridge Blvd (40.15634, -83.18476) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.9484 | Other (At-Grade) Single-Lane | 2006 | A school nearby and park on the other side. Previously controlled by stop control side street Functional Class: Arterial/Residential ICD estimated from Google Maps linework. | 
| Port Hawkesbury,
                NS Inverness Canada | Rte 104 / Rte 105 / Rte 19 / Rte 4 (45.64691, -61.40460) | Rotary Existing | Unknown Unknown | 3 Approaches 0 Driveways 70.9690 | Other (At-Grade) Unknown | ICD estimated from Google Maps linework. | |
| Lehi,
                UT Utah Co. United States | Main St. (Hwy 73) / N 500 W (Hwy 197) (40.38755, -111.85710) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) | 4 Approaches 0 Driveways 30.9296 | Other (At-Grade) Single-Lane | 2003 | Railroad approx. 400 feet from roundabout. Traffic is backed up on Main St. at all locations including the RR xing and roundabout - high growth and no other traffic options to and from freeway. ICD estimated from Google Maps linework. |