| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Jefferson City,
                MO Cole Co. United States | W Stadium Blvd. / Hard Rock Dr. / (parking lot) (38.57584, -92.21602) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Add-lane right-turn bypass lane on north leg; yield-controlled right-turn bypass lane on west leg. | 
| Jefferson City,
                MO Cole Co. United States | W Stadium Blvd. / Hyde Park Rd. / (future street) (38.57733, -92.21556) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2010 | Fourth leg stubbed. | 
| Lincoln,
                NE Lancaster Co. United States | Windmill Dr. / N 83rd St. (40.83957, -96.60736) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2008 | Right-turn bypass lane. | 
| Carson City,
                NV Carson City Co. United States | E 5th St. / Fairview Dr. (39.16090, -119.72790) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 1999 | |
| West Valley,
                UT Salt Lake Co. United States | Daybury Dr. / Highbury Pkwy. (40.70805, -112.02010) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.2440 | Other (At-Grade) Single-Lane | 2008 | |
| West Valley,
                UT Salt Lake Co. United States | Lake Park Blvd. / Highbury Pkwy. (40.71235, -112.01350) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 64.0080 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | |
| West Valley,
                UT Salt Lake Co. United States | Lake Park Blvd. / Daybury Dr. (40.71107, -112.02180) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 53.3400 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | |
| Houston,
                TX Harris Co. United States | Meadowglen Ln. / Seagler Rd. (29.73162, -95.55486) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Single-Lane | 2005 | |
| Pasadena,
                CA Los Angeles Co. United States | Glenarm St. / Los Robles Ave. (34.12757, -118.14127) | Traffic Calming Circle Existing | All-Way Stop None | 4 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-Lane | 2003 | |
| London,
                ON Middlesex Canada | Raleigh Blvd. / Tillmann Rd. (42.93469, -81.30829) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 110.0000 | Other (At-Grade) Single-Lane | 2010 | completed 2010 based on Google historical aerials | 
| Santa Ana,
                CA Orange Co. United States | Auto Mall Dr. / E Dan Gurney Dr. / S Dan Gurney Dr. (33.72919, -117.83952) | Traffic Calming Circle Existing | Uncontrolled None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | ||
| Santa Ana,
                CA Orange Co. United States | Orange Ave. / E Pomona St. (33.72548, -117.86523) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 14.0208 | Other (At-Grade) Single-Lane | 2016 | |
| London,
                ON Middlesex Canada | Morgan Ave. / Morgan Crescent / Singleton Ave. (42.93441, -81.27261) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2011 | Year Completed estimated (2009-2011). Splitter islands added 2015. | 
| London,
                ON Middlesex Canada | Singleton Ave. / Morgan Ave. (42.93793, -81.27158) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2012 | Year Completed estimated (2011-2012). | 
| London,
                ON Middlesex Canada | Evans Blvd. / Meadowgate Blvd. (42.95077, -81.17398) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2006 | Year Completed estimated (2006-2009). | 
| London,
                ON Middlesex Canada | Meadowgate Blvd. / Reardon Blvd. (42.96234, -81.18034) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2004 | Year Completed estimated (2002-2006). | 
| London,
                ON Middlesex Canada | Coronation Dr. / Carriage Way (42.99640, -81.32622) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2006 | |
| London,
                ON Middlesex Canada | Coronation Dr. / Lawson Rd. (42.99659, -81.32142) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2009 | Year Completed estimated (2006-2009). | 
| London,
                ON Middlesex Canada | Brunswick Ave. / Coronation Dr. (42.99836, -81.32060) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2006 | |
| Waterloo,
                ON Waterloo Canada | Davenport Rd. / Old Abbey Rd. / (shopping center) (43.49957, -80.52551) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.0000 | Other (At-Grade) Single-Lane | 2012 | Right-turn-only leg on north leg. Year Completed estimated (2011-2012). | 
| Waterloo,
                ON Waterloo Canada | Conestoga Rd. / Kraus Dr. (43.49983, -80.52906) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2009 | Add lane right-turn bypass lane on west leg. | 
| Waterloo,
                ON Waterloo Canada | Hagey Blvd. / Frank Trompa Dr. (43.47734, -80.54814) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2003 | Year Completed estimated (before 2005). | 
| Waterloo,
                ON Waterloo Canada | Columbia St. W / Bennington Gate / Chancery Ln. (43.46485, -80.57403) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | Year Completed estimated (2016-2018). | 
| Santa Ana,
                CA Orange Co. United States | Orange Ave. / E Anahurst Pl. (33.71787, -117.86529) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 13.7160 | Other (At-Grade) Single-Lane | ||
| Marina del Rey,
                CA Los Angeles Co. United States | Palawan Way (33.98169, -118.45554) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Huntington Beach,
                CA Orange Co. United States | Via Straits Ln. / Verde Mar Dr. (33.65107, -117.95874) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Huntington Beach,
                CA Orange Co. United States | Via Straits Ln. / Villa Pacific Dr. (33.65226, -117.95877) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Huntington Beach,
                CA Orange Co. United States | Villa Pacific Dr. / Greenspray Ln. (33.65239, -117.95548) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Huntington Beach,
                CA Orange Co. United States | Villa Pacific Dr. / Monaco Cir. (33.65250, -117.95423) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Stanton,
                CA Orange Co. United States | Lansdale Cir. / Moordale Cir. (33.77871, -117.99627) | Traffic Calming Circle Existing | Uncontrolled Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Anaheim,
                CA Orange Co. United States | Paradise Way / Downtown Dr. (33.80705, -117.92562) | Other Existing | All-Way Stop Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Anaheim,
                CA Orange Co. United States | Convention Way / Hotel Way / (hotel driveway) (33.79976, -117.91729) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | Two approaches controlled by yield, two controlled by stop. | |
| Anaheim,
                CA Orange Co. United States | Transit Plaza (33.79806, -117.92072) | Other Existing | Other Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Mix of stop and yield. | |
| Prairieville,
                LA Ascension Par. United States | Timberstone Dr. / Devall Rd. / Tigers Eye Stone Ave. (30.29926, -90.89318) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2008 | |
| Blackman Township,
                MI Jackson Co. United States | Cooper St. / I-94 WB Ramps (42.27376, -84.40371) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2019 | https://www.mlive.com/news/jackson/2019/12/take-a-ride-on-new-i-94-cooper-street-bridge-roundabouts-after-9-month-closure.html | 
| Blackman Township,
                MI Jackson Co. United States | Cooper St. / I-94 EB Ramps (42.27098, -84.40380) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2019 | https://www.mlive.com/news/jackson/2019/12/take-a-ride-on-new-i-94-cooper-street-bridge-roundabouts-after-9-month-closure.html | 
| Sherbrooke,
                QC Sherbrooke Canada | Boulevard René-Lévesque / Rue Matisse / Rue Luce-Dufresne (45.38324, -71.99812) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2018 | |
| Sherbrooke,
                QC Sherbrooke Canada | Boulevard René-Lévesque / Rue Sainte Claire / Rue Magnelli (45.38799, -71.99469) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2018 | |
| North Mankato,
                MN Nicollet Co. United States | Lookout Dr. / US 14 EB Ramps (44.18021, -94.05378) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2016 | Year Completed estimated (2015-2017). | 
| North Mankato,
                MN Nicollet Co. United States | Lookout Dr. / US 14 WB Ramps (44.18184, -94.05374) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2016 | Year Completed estimated (2015-2017). | 
| Mankato,
                MN Nicollet Co. United States | Rockford Rd. (CR 41) / Pleasant View Dr. / 520th St. (44.18361, -94.06988) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | 2013 | Year Completed estimated (2011-2015). | 
| North Mankato,
                MN Nicollet Co. United States | Rockford Rd. (CR 41) / US 14 EB Ramps (44.18520, -94.06893) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.7680 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2013 | Raindrop shape. Year Completed estimated (2011-2015). | 
| North Mankato,
                MN Nicollet Co. United States | Rockford Rd. (CR 41) / W Howard Dr. / US 14 WB Ramps (44.18763, -94.06758) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2013 | Double-left-turn on west leg. Year Completed estimated (2011-2015). | 
| Mankato,
                MN Blue Earth Co. United States | CR 12 (586th Ave.) / Hoffman Rd. (44.15578, -93.93909) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2015-2019). | 
| Mankato,
                MN Blue Earth Co. United States | Hoffman Rd. / Prairie Winds Dr. (44.15592, -93.94483) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2015-2019). | 
| Buffalo,
                MN Wright Co. United States | 8th St. NE / 20th St. NE / Calder Ave. NE (45.17995, -93.84729) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Single-Lane | 2016 | http://co.wright.mn.us/CivicAlerts.aspx?AID=559&ARC=1045 | 
| Oroville,
                CA Butte Co. United States | SR 191 (Clark Rd.) / Durham Pentz Rd. (39.64733, -121.63448) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2019 | Painted splitter islands and truck apron; gravel inside the center island. Year Completed estimated (2018-2019). | 
| Lincoln,
                NE Lancaster Co. United States | S 32nd St. / Zermatt Dr. (40.74172, -96.67376) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2001 | Year Completed estimated (1999-2002). | 
| Lincoln,
                NE Lancaster Co. United States | S 90th St. / Red Sky Ln. (40.81189, -96.59797) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2017-2018). | 
| Lincoln,
                NE Lancaster Co. United States | N 66th St. / Fremont St. (40.84863, -96.63043) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2018 | Year Completed estimated (2018-2019). | 
| Lake Forest,
                CA Orange Co. United States | Hudson Bay Circle (33.66310, -117.68560) | Other Existing | Uncontrolled Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Pasadena,
                CA Los Angeles Co. United States | S El Molino Ave. / Glenarm St. (34.12759, -118.13717) | Traffic Calming Circle Existing | All-Way Stop Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Carson City,
                NV Carson City Co. United States | Northridge Dr. / Carriage Crest Dr. (39.18290, -119.75077) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-Lane | 1997 | Year Completed estimated (1994-1999). | 
| Carson City,
                NV Carson City Co. United States | Northridge Dr. / Spooner Dr. (39.18150, -119.74896) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 99.9997 | Other (At-Grade) Single-Lane | 1997 | Painted splitter islands on Northridge approaches. Year Completed estimated (1994-1999). | 
| Carson City,
                NV Carson City Co. United States | Northridge Dr. / Tablerock Dr. (39.18460, -119.75685) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.9080 | Other (At-Grade) Single-Lane | 1999 | Year Completed estimated (1994-1999). | 
| Anderson Township,
                OH Hamilton Co. United States | (unknown) (39.07418, -84.34995) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Pedestrian access to central island. | |
| Anderson Township,
                OH Hamilton Co. United States | (unknown) (39.07631, -84.34992) | Other Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Pedestrian access to central island. | |
| Wesley Hills,
                NY Rockland Co. United States | Willow Tree Rd. / Forshay Rd. / Wilder Rd. (41.15437, -74.08338) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | |
| Carmel,
                IN Hamilton Co. United States | Four Seasons Way / Windy Knoll Ln. / Lorenzo Blvd. / Milano Dr. (39.98458, -86.20853) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | 2004 | Large gap between splitter islands and circulatory roadway. | 
| Carmel,
                IN Hamilton Co. United States | Jackson Circle (39.97496, -86.19019) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2001 | No splitter islands; park in central island. Year Completed estimated (1999-2003). | 
| Carmel,
                IN Hamilton Co. United States | Clay Circle (39.97239, -86.18878) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2001 | No splitter islands; park in central island. Year Completed estimated (1999-2003). | 
| Carmel,
                IN Hamilton Co. United States | Parsons Gate / Chelmsford St. (39.97137, -86.19293) | Other Existing | All-Way Yield None | 2 Approaches 3 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2006 | No splitter islands; park in central island. | 
| Carmel,
                IN Hamilton Co. United States | Colfax Circle (39.96639, -86.19635) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2003 | No splitter islands; park in central island. | 
| Flemington,
                NJ Hunterdon Co. United States | US 202 / Rte 12 / Rte 31 (40.50267, -74.85339) | Rotary Existing | Other None | 4 Approaches 0 Driveways 135.6360 | Other (At-Grade) Multilane (2 Lane, unspecified) | Yield sign on circulatory roadway at northeast entry. ICD = 600 ft x 290 ft. | |
| Flemington,
                NJ Hunterdon Co. United States | Rte 12 / Mine St. / Sargeantsville-Flemington Rd. (40.50440, -74.87123) | Rotary Existing | Other None | 4 Approaches 1 Driveways 120.3960 | Other (At-Grade) Single-Lane | Yield signs on circulatory roadway. ICD = 450 ft x 340 ft. | |
| Vincentown,
                NJ Burlington Co. United States | Rte 70 / Rte 72 / Four Mile Rd. / Magnolia Rd. (39.89892, -74.59641) | Rotary Existing | Other None | 5 Approaches 0 Driveways 129.5400 | Other (At-Grade) Single-Lane | Mix of stop and yield control on entry. ICD = 500 ft x 350 ft. | |
| Elmer,
                NJ Salem Co. United States | US 40 / Daretown Rd. / Rte 77 / Pole Tavern-Elmer Rd. (39.61692, -75.22940) | Other Existing | Other None | 5 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | Stop sign on Daretown Rd. | |
| Albuquerque,
                NM Bernalillo Co. United States | Loop Two NW / Learning Rd. NW (Bosque School Rd. NW) / Antequera Rd. NW (35.14393, -106.69165) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2007 | Difference of opinion between Bing and Googlemaps of name of Learning/Bosque School Rd. | 
| Albuquerque,
                NM Bernalillo Co. United States | Antequera Rd. NW / Mirandela St. NW (35.14597, -106.68837) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2007 | |
| North Castle,
                NY Westchester Co. United States | Kensico Circle (Bronx River Pkwy. / Taconic State Pkwy. / Park Dr. E) (41.06839, -73.76943) | Rotary Existing | Other Unknown | 3 Approaches 0 Driveways 106.6800 | Other (At-Grade) Multilane (3+ Lane) | Yield sign on circulatory roadway; stop sign on one approach. | |
| Jersey City,
                NJ Hudson Co. United States | Morris Pesin Dr. / Burma Rd. (40.69977, -74.06721) | Other Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | Painted splitter islands; no deflection on northwest leg. | |
| West Jordan,
                UT Salt Lake Co. United States | W 8600 S / 6000 W (40.59520, -112.03394) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2015 | Year Completed estimated (2015-2016). | 
| Kaysville,
                UT Davis Co. United States | S Angel St. / Smith Ln. (41.02160, -111.96155) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2007 | |
| Birmingham,
                AL Jefferson Co. United States | Cotton Ave. SW / Tuscaloosa Ave. SW / (parking) (33.49569, -86.84738) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2014 | |
| Watford City,
                ND McKenzie Co. United States | 12th St. SE / 6th Ave. SE (47.79584, -103.26239) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2017-2018). | 
| Findlay,
                OH Hancock Co. United States | Lima Ave. / US 68-SR 15 EB On-ramp / I-75 Off-ramp (41.02305, -83.66838) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2019 | https://socialfindlay.com/lima-ave-roundabout/ | 
| Findlay,
                OH Hancock Co. United States | Lima Ave. / US 68-SR 15 WB Off-ramp / I-75 On-ramp (41.02393, -83.66688) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2019 | https://socialfindlay.com/lima-ave-roundabout/ | 
| Norman,
                OK Cleveland Co. United States | Corporate Centre Dr. / (unknown) (35.25055, -97.47797) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2014 | Year Completed estimated (2014-2015). | 
| Norwood Young America,
                MN Carver Co. United States | CR 33 / CR 34 (44.78632, -93.92955) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2019 | https://www.co.carver.mn.us/departments/public-works/projects-studies/highway-33-34-roundabout-project | 
| Mayer,
                MN Carver Co. United States | STH 25 (Mayer Blvd.) / 7th St. / 62nd St. (44.89120, -93.88554) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2015 | Skewed intersection. https://www.hometownsource.com/sun_patriot/mayer-premieres-new-roundabout-on-hwy-25/article_fdc7a910-4598-58ad-a60c-967e9892573b.html | 
| Prior Lake,
                MN Scott Co. United States | CR 12 / Fish Point Rd. (44.70864, -93.41052) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2014 | |
| Credit River Township,
                MN Scott Co. United States | Texas Ave. / 190th St. E (44.67421, -93.37938) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2017 | |
| Pine Island,
                MN Goodhue Co. United States | CR 11 / E Frontage Rd. / US 52 WB Ramps (44.20482, -92.63406) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 57.9120 | Freeway Ramps (Grade-Separated) Single-Lane | 2014 | Year Completed estimated (2014 - streetview). | 
| Fishers,
                IN Hamilton Co. United States | E 96th St. / Sargent Rd. (39.92707, -86.00638) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | Open June 8, 2020. https://twitter.com/DriveFishers/status/1270045736265297922 | 
| Hagerstown,
                MD Washington Co. United States | Robinwood Dr. / Academic Blvd. / Youngstoun Dr. (39.62804, -77.66541) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | https://www.heraldmailmedia.com/news/local/robinwood-drive-to-reopen-next-month-but-roundabout-questioned/article_95edc272-8319-5f1a-a05d-cfb62ada2f8f.html | 
| Spring Branch East,
                TX Harris Co. United States | Hillendahl Blvd. / Westwood Dr. (29.79893, -95.49322) | Roundabout Removed | All-Way Yield None | 3 Approaches 0 Driveways 7.0101 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2010 | Built as a mini roundabout in 1998 as part of a larger neighborhood street reconstruction project. It had a mountable center island 6 ft. in diameter and 3" high made from recycled rubber; long gone. Conversion to TWSC estimated from aerial photos. | 
| Cumberland,
                RI Providence Co. United States | Diamond Hill Rd. (Rte 114) / I-295 NB Ramps (41.94962, -71.40285) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2019 | https://www.ri.gov/press/view/36693 | 
| Cumberland,
                RI Providence Co. United States | Diamond Hill Rd. (Rte 114) / I-295 SB Ramps (41.95149, -71.40241) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2019 | https://www.ri.gov/press/view/36693 | 
| Gainesville,
                FL Alachua Co. United States | SW 88th St. / SW 76th Ave. (29.58365, -82.43651) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-Lane | 2007 | |
| Truckee,
                CA Nevada Co. United States | Donner Pass Rd. / Stockrest Spring Rd. (39.33476, -120.17472) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 1 Driveways 0.0000 | Other (At-Grade) Unknown | 2019 | |
| Carmel,
                IN Hamilton Co. United States | Clay Terrace Blvd. / Circle Dr. / Range Line Rd. / US 31 SB Off-Ramp (39.99264, -86.12840) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2012 | |
| Irmo,
                SC Richland Co. United States | Coogler Rd. / Kennerly Rd. / Steeple Ridge Rd. (34.13011, -81.17782) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2016 | https://twitter.com/RichlandPenny/status/793909450352492544 | 
| Xenia,
                OH Greene Co. United States | US 42 / E Church St. (39.68780, -83.92357) | Roundabout Existing | All-Way Yield None | 4 Approaches 1 Driveways 25.9997 | Other (At-Grade) Single-Lane | 2020 | Truck apron is 15 ft wide. https://www.xeniagazette.com/top-stories/49169/smooth-going-so-far-for-roundabout | 
| Ingersoll,
                ON Oxford Canada | Plank Line (Hwy 19) / Harris St. (Hwy 119) / Hwy 401 WB Ramps (43.02839, -80.85549) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Merging right-turn bypass lanes on northwest and northeast legs. | 
| Ingersoll,
                ON Oxford Canada | Plank Line (Hwy 19) / Hwy 401 EB Ramps (43.02638, -80.85271) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Merging right-turn bypass lanes on southwest and southeast legs. | 
| Avalon,
                CA Los Angeles Co. United States | Casino Way / Crescent Ave. / Marilla Ave. / Whittley Ave. (33.34498, -118.32692) | Other Existing | All-Way Stop Unknown | 5 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Blue Mountains,
                ON Grey Canada | CR 19 / Gord Canning Dr. / Scenic Caves Rd. (44.49650, -80.30181) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Year Completed estimated (2009-2011). | 
| Washington,
                IL Tazewell Co. United States | Washington Square (40.70341, -89.40659) | Other Existing | One-Way/Two-Way Stop None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 1920 | Pedestrian access to central island; parking along circulatory roadway. | 
| Thunder Bay,
                ON Thunder Bay Canada | Marina Park Dr. (Sleeping Giant Pkwy.) / Pearl St. (48.43155, -89.21965) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2014 | Year Completed estimated (2013-2015). | 
| Repentigny,
                QC L'Assomption Regional County Municipality Canada | Boulevard Basile-Routhier / Avenue des Rivières (45.78281, -73.43269) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.0000 | Other (At-Grade) Single-Lane | 2010 |