| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| San Diego,
                CA San Diego Co. United States | La Jolla Blvd. / Bird Rock Ave. (32.81559, -117.27060) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 21.0785 | Other (At-Grade) Single-Lane | 2008 | Series of 5 roundabouts. ICD estimated from Google Maps linework. | 
| Lenexa,
                KS Johnson Co. United States | Clare Rd. / 86th Terr. (38.97160, -94.87243) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.0706 | Other (At-Grade) Single-Lane | 2010 | Series of 5 roundabouts. 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. | 
| 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. | 
| De Pere,
                WI Brown Co. United States | Scheuring Rd. (CTH F) / Lawrence Dr. (44.43083, -88.10675) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.7605 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Series of 6 roundabouts. Opened November 2, 2010. ICD estimated from Google Maps linework. | 
| De Pere,
                WI Brown Co. United States | Scheuring Rd. (CTH F) / PDQ Dr. / Mid Valley Dr. (44.43032, -88.11939) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.9379 | Other (At-Grade) Single-Lane | 2010 | Series of 6 roundabouts. Opened November 22, 2010. ICD estimated from Google Maps linework. | 
| De Pere,
                WI Brown Co. United States | Scheuring Rd. (CTH F) / US 41 SB Ramps (44.43050, -88.11402) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 56.3880 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) | 2011 | Series of 6 roundabouts. Opened September 2011. | 
| De Pere,
                WI Brown Co. United States | Scheuring Rd. (CTH F) / US 41 NB Ramps (44.43074, -88.10989) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 53.3400 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2011 | Series of 6 roundabouts. Yield-controlled right-turn bypass lane on south leg; merging right-turn bypass lane on east leg. Opened September 2011. Circular central island. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / Grand Ave. (45.78407, -108.61760) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.1455 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Series of 8 roundabouts. Fatal crash 2012. 11861-05. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / (Local Access) (45.74776, -108.61750) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 37.5041 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Series of 8 roundabouts. Main access to construction materials facility (600+ trucks per day). Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / Hesper Rd. (45.74060, -108.61740) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 43.3436 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / King Ave. (45.75507, -108.61760) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 58.3321 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / Broadwater Ave. (45.77685, -108.61760) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 44.9815 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / Central Ave. (45.76963, -108.61760) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 53.3183 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / Monad Rd. (45.76236, -108.61760) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 46.6596 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Series of 8 roundabouts. Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / Zoo Dr. (45.73609, -108.61740) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 41.6799 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Series of 8 roundabouts. Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Mount Horeb,
                WI Dane Co. United States | Springdale St. / Perimeter St. (43.01009, -89.72186) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.5667 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Mount Horeb,
                WI Dane Co. United States | Springdale St. / Brookwood Dr. (43.00978, -89.71380) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.8068 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Mount Horeb,
                WI Dane Co. United States | Springdale St. / Telmark Pkwy. (43.00933, -89.71098) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 50.6540 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Mount Horeb,
                WI Dane Co. United States | Springdale St. / Ridgeview Rd. / Lillehammer Ln. (43.00663, -89.70390) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.4418 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Mount Horeb,
                WI Dane Co. United States | Springdale St. / STH 78 / STH 92 (43.01007, -89.73044) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.9333 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Oxford,
                MS Lafayette Co. United States | SR 30 / Park Dr. (34.38524, -89.49947) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Series of three roundabouts. | 
| Oxford,
                MS Lafayette Co. United States | SR 30 / Ferndale Blvd. (34.38595, -89.50223) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Series of three roundabouts. | 
| Kansas City,
                MO Clay Co. United States | NW 108th St. / N Summit St. (39.28953, -94.58976) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.6717 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2013 | Series of three roundabouts. ICD estimated from Google Maps linework. | 
| Oxnard,
                CA Ventura Co. United States | Forest Park Blvd. / N Ventura Rd. (34.24629, -119.17948) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 47.3886 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Series of three roundabouts. ICD estimated from Google Maps linework. | 
| Oxnard,
                CA Ventura Co. United States | Forest Park Blvd. / N Oxnard Blvd. (34.24458, -119.17711) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 46.4023 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Series of three roundabouts. ICD estimated from Google Maps linework. | 
| Oxnard,
                CA Ventura Co. United States | Forest Park Blvd. / Moonlight Park Ave. (34.24280, -119.17467) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.4287 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Series of three roundabouts. ICD estimated from Google Maps linework. | 
| Prairie du Chien,
                WI Crawford Co. United States | S Marquette Rd. / E Blackhawk Ave. (43.05193, -91.14100) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) | 4 Approaches 0 Driveways 40.1459 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | Series of three roundabouts. Nearby at-grade rail crossing. ICD estimated from Google Maps linework. | 
| Prairie du Chien,
                WI Crawford Co. United States | S Marquette Rd. / E Wisconsin St. (43.05037, -91.14098) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) | 4 Approaches 0 Driveways 33.1649 | Other (At-Grade) Single-Lane | 2014 | Series of three roundabouts. Nearby at-grade rail crossing. ICD estimated from Google Maps linework. | 
| Prairie du Chien,
                WI Crawford Co. United States | S Marquette Rd. / E Iowa St. (43.04911, -91.14094) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) | 4 Approaches 0 Driveways 41.8934 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | Series of three roundabouts. Nearby at-grade rail crossing. ICD estimated from Google Maps linework. | 
| North Pole,
                AK Fairbanks North Star United States | Badger Rd. / Richardson Hwy WB Ramps (64.75903, -147.35120) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.5390 | Freeway Ramps (Grade-Separated) Single-Lane | 2007 | Series of three roundabouts. Raindrop-shaped central island. ICD estimated from Google Maps linework. | 
| North Pole,
                AK Fairbanks North Star United States | Badger Rd. / Richardson Hwy EB Ramps / Santa Claus Ln. (64.75820, -147.35170) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.5771 | Freeway Ramps (Grade-Separated) Single-Lane | 2007 | Series of three roundabouts. Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| North Pole,
                AK Fairbanks North Star United States | Santa Claus Ln. / Park Way (64.75673, -147.35280) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.6162 | Other (At-Grade) Single-Lane | 2007 | Series of three roundabouts. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Grand Forks,
                ND Grand Forks Co. United States | Airport Dr. / Airport Dr. (47.94149, -97.17424) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4026 | Other (At-Grade) Single-Lane | 2011 | Serves airport. ICD estimated from Google Maps linework. | 
| Jacksonville,
                FL Jacksonville Co. United States | Touchton Rd. / (parking) (30.26961, -81.56347) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2010 | Serves apartment complex. | 
| Redding,
                CA Shasta Co. United States | S Bonnyview Rd. / Bechelli Ln. (40.53910, -122.35470) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Serves as a primary intersection for a Costco store. https://krcrtv.com/news/local/south-bonnyview-and-bechelli-lane-roadabout-update | 
| Hollymead,
                VA Albemarle Co. United States | Rte. 649 / Rte. 606 / Airport Rd. (38.13692, -78.44793) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.3634 | Other (At-Grade) Single-Lane | 2005 | Serves as entrance to airport. Previously controlled by all-way stop ICD estimated from Google Maps linework. | 
| Richmond,
                VA Henrico Co. United States | N. Lombardy St. / School Rd. / Admiral St. (37.55981, -77.45100) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.5627 | Other (At-Grade) Single-Lane | 2005 | Serves as entrance to Virgina Union University. ICD estimated from Google Maps linework. | 
| 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. | 
| Bradenton,
                FL Manatee Co. United States | Lighthouse Dr. / (parking) (27.49371, -82.46907) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-Lane | 2019 | Serves big box retail store. Edge line extension across exits. | 
| Grand Junction,
                CO Mesa Co. United States | Independent Ave. / Sams Club entrance (39.08170, -108.58310) | Roundabout Existing | Unknown Unknown | 3 Approaches 0 Driveways 33.3754 | Other (At-Grade) Single-Lane | 2003 | Serves commercial development parking lot. ICD estimated from Google Maps linework. | 
| Broomfield,
                CO Adams Co. United States | Zang St. / (parking lot #1) (39.92782, -105.13320) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 36.6350 | Other (At-Grade) Single-Lane | 2001 | Serves commercial development. ICD estimated from Google Maps linework. | 
| Broomfield,
                CO Adams Co. United States | Zang St. / (parking lot #2) (39.92641, -105.13170) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 35.7199 | Other (At-Grade) Single-Lane | 2001 | Serves commercial development. ICD estimated from Google Maps linework. | 
| Superior,
                CO Boulder Co. United States | 5th Ave. / Center Dr. (39.95764, -105.17190) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.1262 | Other (At-Grade) Single-Lane | 1999 | Serves Costco and Target as part of 750,000 square foot shopping center. Functional Class: Local ICD estimated from Google Maps linework. | 
| Spokane,
                WA Spokane Co. United States | N Access Rd. / (parking) (47.76485, -117.38118) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2018 | Serves Costco. | 
| Wilkes-Barre,
                PA Luzerne Co. United States | South Valley Pkwy. / (parking) (41.19624, -75.97224) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2019 | Serves distribution center with truck traffic. Year Completed estimated (2019-2022). | 
| Pinebrook,
                UT Summit Co. United States | Kilby Rd. / (parking) (40.74010, -111.56068) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2018 | Serves Ecker Hill International Middle School. | 
| Pinebrook,
                UT Summit Co. United States | Kilby Rd. / (parking) (40.73918, -111.56018) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2018 | Serves Ecker Hill International Middle School. East leg added with roundaobut. | 
| Avon,
                CO Eagle Co. United States | William J Post Blvd. / Fawcett Rd. (39.62907, -106.50190) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.7944 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2003 | Serves Home Depot and Walmart retail center. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Martell,
                CA Amador Co. United States | Industry Dr. / (parking lot access) (38.36968, -120.80150) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 35.5824 | Other (At-Grade) Single-Lane | 2006 | Serves industrial park. ICD estimated from Google Maps linework. | 
| Lacey,
                WA Thurston Co. United States | (unknown) / (unknown) (47.04571, -122.76216) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2007 | Serves Lacey Regional Athletic Center. July 2007. | 
| 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 | 
| Oakton,
                VA Fairfax Co. United States | Saintsbury Dr. / (transit center parking lot) (38.87667, -77.26993) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0520 | Other (At-Grade) Single-Lane | 2013 | Serves Metro station. Right-turn-only lanes on east and west legs. South leg stubbed. Year Completed estimated (2012-2014). | 
| Oakton,
                VA Fairfax Co. United States | Saintsbury Dr. / (transit center parking garage) (38.87600, -77.27317) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2013 | Serves Metro station. Right-turn-only lanes on northeast and southwest legs. Southeast leg stubbed. Year Completed estimated (2012-2014). | 
| Colorado Springs,
                CO El Paso Co. United States | New Car Dr. / Duryea Dr. (38.93880, -104.72930) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 44.5906 | Other (At-Grade) Single-Lane | 2003 | Serves retail shopping center. ICD estimated from Google Maps linework. | 
| Colorado Springs,
                CO El Paso Co. United States | New Car Dr. / Test Dr. (38.93844, -104.73440) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 43.6618 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2003 | Serves retail shopping center. ICD estimated from Google Maps linework. | 
| Colorado Springs,
                CO El Paso Co. United States | New Car Dr. / parking lot (38.93777, -104.73750) | Other Existing | Unknown None | 2 Approaches 0 Driveways 43.6622 | Other (At-Grade) Single-Lane | Serves retail shopping center. ICD estimated from Google Maps linework. | |
| Sacramento,
                CA Sacramento Co. United States | Crossfield Dr. / Lindbergh Dr. / Airport Blvd. SB Ramps (38.67892, -121.59240) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | Serves Sacramento International Airport. https://sacramento.aero/scas/about/news-and-events/upcoming-smf-construction-plan-ahead-for-improved-travel-experience | 
| Sacramento,
                CA Sacramento Co. United States | Crossfield Dr. / Meister Way / Airport Blvd. NB Ramps (38.67890, -121.58937) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2023 | Serves Sacramento International Airport. https://sacramento.aero/scas/about/news-and-events/upcoming-smf-construction-plan-ahead-for-improved-travel-experience | 
| Scottsdale,
                AZ Maricopa Co. United States | N 90th St. / (parking) (33.57812, -111.88617) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2017 | Serves shopping center and Scottsdale Shea medical center. Bus-only bypass lane on north and south legs with bus stop in advance of pedestrian crossing. | 
| South Bend,
                IN St. Joseph Co. United States | Lincoln Way W / Progress Dr. (41.69728, -86.31354) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 42.6717 | Other (At-Grade) Single-Lane | 2021 | Serves South Bend International Airport. https://nwindianabusiness.com/community/business-news/upgrades-to-south-bend-international-airport-in-response-to-increased-passenger-use/27566/ | 
| Amherst,
                MA Hampshire Co. United States | University Dr. / Fearing St. / (parking) (42.38077, -72.53192) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 27.4317 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2020 | Serves University of Massachusetts Parking Lot 21. | 
| Blairsville,
                GA Union Co. United States | Walmart Dr. / Wintermute Dr. (34.86250, -84.00027) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.2592 | Other (At-Grade) Single-Lane | 2009 | Serves Walmart commercial center. ICD estimated from Google Maps linework. | 
| Dallas,
                GA Paulding Co. United States | Powder Mill St. / Wal-Mart Dr. (33.93363, -84.73243) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.6548 | Other (At-Grade) Single-Lane | 2006 | Serves Wal-Mart. ICD estimated from Google Maps linework. | 
| East Longmeadow,
                MA Hampden Co. United States | Center Square (Maple St. / Shaker Rd. / Prospect St. / Somers Rd. / Pleasant St. / Elm St. / N Main St.) (42.06482, -72.51288) | Other Existing | Other Unknown | 7 Approaches 0 Driveways 31.0329 | Other (At-Grade) Single-Lane | Seven way intersection. Mixture of stop signs and yield, including yields within the circle. Appeared in Ripley's Believe It or Not: https://www.thehotiron.com/index.php/site/comments/wisconsin_roundabouts_to_a_native_massachusetts_rotary_driver ICD estimated from Google Maps linework. | |
| Spokane,
                WA Spokane Co. United States | E Sharp Ave. / N Cincinnati St. (47.66954, -117.39816) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2020 | Sharrows in circulatory roadway. | 
| Florence,
                SC Florence Co. United States | Evans St. / Baroody St. / Railroad Ave. (34.19718, -79.76371) | Traffic Calming Circle Existing | Uncontrolled At-grade Rail Crossing Signals/Gates (controlling approach only) | 4 Approaches 0 Driveways 21.0309 | Other (At-Grade) Single-Lane | 2021 | Sharrows on entries and exits. Railroad crossing approximately 90 feet to east. Year Completed estimated (2020 - 2021). | 
| Huber Heights,
                OH Miami Co. United States | Carriage Trails Pkwy. / Forestedge St. (39.89052, -84.11278) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 46.7351 | Other (At-Grade) Single-Lane | 2005 | Side street did not open to traffic until 2005. ICD estimated from Google Maps linework. | 
| Tipp City,
                OH Miami Co. United States | Carriage Trails Pkwy. / Lakeside St. (39.89100, -84.11903) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 51.3166 | Other (At-Grade) Single-Lane | 2005 | Side street did not open to traffic until 2013. Has pedestrian underpass. ICD estimated from Google Maps linework. | 
| San Diego,
                CA San Diego Co. United States | Streamview Dr. / Gayle St. (32.74436, -117.06584) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 3 Approaches 1 Driveways 15.0681 | Other (At-Grade) Single-Lane | 2017 | Side street splitter island is mini-style (no pedestrian refuge), Truck apron is 1" thick or less ICD estimated from Google Maps linework. | 
| San Diego,
                CA San Diego Co. United States | Streamview Dr. / Michael St. / Lynn St. (32.74338, -117.07161) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 24.1092 | Other (At-Grade) Single-Lane | 2017 | Side street splitter islands are mini-style (no pedestrian refuge). Truck apron is 1" thick or less” ICD estimated from Google Maps linework. | 
| Amherst,
                MA Hampshire Co. United States | West St (Rte 116) / W Bay Rd (42.31886, -72.52762) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.9211 | Other (At-Grade) Single-Lane | 2011 | Side-by-side roundabouts replacing two T-intersections ICD estimated from Google Maps linework. | 
| Amherst,
                MA Hampshire Co. United States | Bay Rd / West St (Rte 116) (42.31938, -72.52627) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 51.2193 | Other (At-Grade) Single-Lane | 2011 | Side-by-side roundabouts replacing two T-intersections ICD estimated from Google Maps linework. | 
| Arlington,
                FL Duval Co. United States | Fort Caroline Rd. / Hartsfield Rd. (30.36686, -81.56103) | Roundabout Existing | All-Way Yield None | 3 Approaches 2 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2012 | Sidewalk adjacent to circulatory roadway. | 
| Converse,
                TX Bexar Co. United States | Loring Park / Hays Parc Rd. (29.46698, -98.31178) | Other Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2007 | Sidewalk around central island. "King of the Parc", a 40 foot statue of a stag, in central island. https://www.mysanantonio.com/news/houston-texas/article/40-foot-scrap-metal-stag-appreciated-in-San-1544762.php | 
| Monroe,
                GA Walton Co. United States | Georgia Ave. (33.79830, -83.69644) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2009 | Sidewalk moved closer to circulatory roadway 2015-2017. Parking lot of courthouse/government building. | 
| Provincetown,
                TN Davidson Co. United States | Monroe Crossing / Cedar Ash Crossing (36.03999, -86.62872) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | Sidewalk on central island. | |
| Raseborg,
                Uusimaa Raseborg Finland | Järnvägsgatan / Sigfrid Aroni gata (59.97893, 23.44089) | Roundabout Existing | All-Way Yield None | 2 Approaches 1 Driveways | Other (At-Grade) Single-Lane | Sigfrid Aroni gata is one way exit. | |
| Hollywood,
                FL Broward Co. United States | Hollywood Blvd. / 26th Ave. (26.01110, -80.15920) | Signalized Roundabout/Circle Existing | Signal None | 4 Approaches 0 Driveways 200.7172 | Other (At-Grade) Multilane (2 Lane, unspecified) | Signal access to parking and building in center of circle. ICD estimated from Google Maps linework. | |
| Fife,
                Scotland Fife United Kingdom | Tay Bridge Roundabout [A92 (Fife Coastal) / B946 (Tay St connector)] (56.44667, -2.93270) | Roundabout Existing | All-Way Yield Other | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Signal and gates at entrance to Tay Road Bridge. | |
| Nottingham,
                England Nottingham City United Kingdom | A610 (Nuthall Rd.) / Cinderhill Rd. / Bells Ln. (52.98681, -1.20316) | Signalized Roundabout/Circle Existing | Signal None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | Signal on one approach | |
| Hollywood,
                FL Broward Co. United States | Hollywood Blvd. / S. Federal Hwy. (US 1) / Harrison St. / Tyler St. (26.01150, -80.14300) | Signalized Roundabout/Circle Existing | Signal None | 7 Approaches 0 Driveways 70.8411 | Other (At-Grade) Multilane (2 Lane, unspecified) | Signalized access, parking area in central island. ICD estimated from Google Maps linework. | |
| Blackpool,
                England Blackpool United Kingdom | A586 (Poulton Rd.) / A587 (Plymouth Rd.-St. Walburga's Rd.) / Carleton Ave. (53.83345, -3.02601) | Signalized Roundabout/Circle Existing | Signal Unknown | 5 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | Signalized pedestrian crossings to central island. | |
| Palermo,
                Sicily Palermo Italy | Piazza Albert Einstein (38.12896, 13.32943) | Other Existing | Other At-grade Rail Crossing Signal/Beacon | 4 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Unknown | Signals controlling tram crossing through central island. | |
| Winston-Salem,
                NC Forsyth Co. United States | Baux Mountain Rd. / Winston-Salem Northern Beltway (NC 74) EB Ramps (36.18202, -80.22303) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | Signed as NC 74 in 2023; will change to to I-74 when beltway completed in 2026. https://malmeroads.net/i7374nc/i74seg4.html | 
| Penticton,
                BC Okanagan-Similkameen Regional District Canada | Ellis St. / Vancouver Ave. / Marina Way (49.50304, -119.59060) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.4730 | Other (At-Grade) Single-Lane | 2004 | Signed to have trucks make 270-degree turn to turn right. ICD estimated from Google Maps linework. | 
| Waco,
                TX McLennan Co. United States | Parker Springs Dr. / Salem Way (31.62539, -97.23662) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2006 | Signs and painted splitter islands were added in 2007 after complaints of wrong way drivers, primarily from western leg to northern leg. | 
| Toledo,
                OH Lucas Co. United States | Ottawa River Rd / 108th St (41.70892, -83.49333) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 21.3360 | Other (At-Grade) Single-Lane | 2023 | Signs in central island. https://www.wtol.com/article/news/local/road-closed-ottawa-river-road-in-point-place-closes-for-roundabout-construction-detour-traffic/512-a28041a7-4232-4dfb-99aa-e106e6681237. | 
| Fairfield Township,
                OH Butler Co. United States | Hamilton Mason Rd. / Liberty Fairfield Rd. (39.37527, -84.48046) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.6219 | Other (At-Grade) Single-Lane | 2008 | Since completion, has reduced accidents by 80%. Replaced two offset T intersections. Previously controlled by two-way stop Functional Class: Major Collector ICD estimated from Google Maps linework. | 
| Frisco,
                TX Denton Co. United States | Dallas Pkwy. / (unknown) (33.15576, -96.84176) | Other Existing | Uncontrolled None | 4 Approaches 0 Driveways 42.6717 | Other (At-Grade) Single-Lane | 2009 | Single Lane Commercial | 
| Frisco,
                TX Collin Co. United States | Farmers Market Way / (unknown) (33.15494, -96.83090) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 53.3400 | Other (At-Grade) Single-Lane | 2018 | Single Lane Commercial. | 
| Frisco,
                TX Collin Co. United States | Heartwood Ln. (33.18527, -96.83794) | Other Existing | Unknown None | 2 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2019 | Single Lane Commercial. | 
| Frisco,
                TX Denton Co. United States | Printers Way / (private driveways) (33.15692, -96.84326) | Other Existing | Uncontrolled None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2014 | Single Lane Commercial. | 
| Frisco,
                TX Denton Co. United States | Lilac Ln. / Balfour Ct. (33.10944, -96.88022) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2019 | Single Lane Neighborhood. | 
| Glendale,
                AZ Maricopa Co. United States | W Montebello Ave. / N 89th Ave. (33.51876, -112.25064) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2023 | Single lane roundabout with 18' wide circulating lane on a new city collector street. Developer funded. | 
| Glendale,
                AZ Maricopa Co. United States | W Luke Ave. / N 89th Ave. (33.51770, -112.25141) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4317 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2021 | Single lane, fully mountable central island, mini-roundabout with a 17' wide circulating lane. | 
| Columbus,
                GA Muscogee Co. United States | St. Marys Rd. / Northstar Dr. / Lakefront Dr. (32.44089, -84.91252) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.2782 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | Single-lane except for two circulating lanes in one section (although fed by single-lane entries). ICD estimated from Google Maps linework. | 
| Bend,
                OR Deschutes Co. United States | SW Bond St. / Wilson St. (44.04616, -121.30970) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.4799 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Single-Lane except one separate right turn lane ICD estimated from Google Maps linework. |