| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Middleton,
                ID Canyon Co. United States | W Highland Ranch Pkwy. / N Branding Iron Ave. / W Blue Lightning St. (43.72344, -116.65073) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands on side street. Pedestrian crossings within or adjacent to circulatory roadway. | |
| Longmont,
                CO Boulder Co. United States | Sundance Dr. / Galapagos Pl. (40.20011, -105.06468) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2016-2017). | 
| Longmont,
                CO Boulder Co. United States | Sundance Dr. / Tyrrhenian Dr. (40.20202, -105.06468) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2016-2017). | 
| Longmont,
                CO Boulder Co. United States | Sundance Dr. / Tyrrhenian Cir. (40.19784, -105.06451) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2016-2017). | 
| Longmont,
                CO Boulder Co. United States | Sundance Dr. / Twilight Dr. (40.19529, -105.06175) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | Initial construction without splitter islands 1999-2002. Splitter islands added 2016-2017. | 
| Longmont,
                CO Boulder Co. United States | S Martin St. / Bountiful Ave. (40.14740, -105.08831) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2017 | |
| Frederick,
                CO Weld Co. United States | Colorado Blvd. / 5th St. (40.09868, -104.94236) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 54.8640 | Other (At-Grade) Single-Lane | 2016 | Striped out inside circulating lane and inside entry lanes on north and south legs, with evidence of vehicle paths traveling over striped circulatory roadway area. Year Completed estimated (2015-2017). | 
| Frederick,
                CO Weld Co. United States | Aggregate Blvd. / Wyndham Hill Pkwy. (40.09242, -104.99890) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Single-Lane | 2006 | Right-turn-only lanes on north and south legs. Striped out portions of circulatory roadway. | 
| Erie,
                CO Boulder Co. United States | Jasper Rd. / Lombard St. (40.05485, -105.06504) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2021 | Year Completed estimated (2020-2021). | 
| Broomfield,
                CO Broomfield Co. United States | W 169th Ave. / Palisade Pkwy. (40.00437, -104.99443) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2014 | |
| Lafayette,
                CO Boulder Co. United States | Roser Dr. / Crater Lake Ln. / Murphy Creek Dr. (39.99879, -105.13387) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2009 | Year Completed estimated (2008-2010). | 
| Louisville,
                CO Boulder Co. United States | Roser Dr. / W Hecla Dr. / Paschal Dr. (39.99411, -105.13074) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2011 | |
| Louisville,
                CO Boulder Co. United States | E Hecla Dr. / Snowberry Ln. (39.99167, -105.12415) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2007-2008). | 
| Louisville,
                CO Boulder Co. United States | E Hecla Dr. / Golden Eagle Way / Rose Ct. (39.99337, -105.12375) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2007-2008). | 
| Thornton,
                CO Adams Co. United States | E 162nd Ave. / Grant St. / (parking) (39.98980, -104.98308) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2007 | |
| Thornton,
                CO Adams Co. United States | E 163rd Ave. / Elizabeth St. (39.99121, -104.95523) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2017 | Year Completed estimated (2017-2018). | 
| Brighton,
                CO Adams Co. United States | Longs Peak St. / N 46th Ave. (39.99462, -104.75972) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2021 | |
| Brighton,
                CO Adams Co. United States | Longs Peak St. / Silo Ct. (39.99463, -104.75777) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2021-2022). | 
| Brighton,
                CO Adams Co. United States | Longs Peak St. / Baler Ct. (39.99464, -104.75476) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2021-2022). | 
| Brighton,
                CO Adams Co. United States | Longs Peak St. / Bowie Dr. / N 46th Ave. (39.99239, -104.75969) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2021 | 2022 or earlier (SV) | 
| Brighton,
                CO Adams Co. United States | 156th Ave. / 157th Ave. / Syracuse Way (39.97989, -104.89921) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2018-2019). | 
| Thornton,
                CO Adams Co. United States | Grant St. / E 146th Ave. / (parking) (39.96090, -104.98184) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2018 | Year Completed estimated (2018-2019). | 
| Thornton,
                CO Adams Co. United States | Grant St. / E 143rd Pl. (39.95485, -104.98191) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2013 | Opened with north and west legs 2013. South and east legs added 2015. | 
| Thornton,
                CO Adams Co. United States | Grant St. / E 141 Pl. (39.95214, -104.98286) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2016 | West leg added 2022-2023. | 
| Thornton,
                CO Adams Co. United States | Lincoln St. / E 141st Pl. / (parking) (39.95280, -104.98624) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2013 | |
| Thornton,
                CO Adams Co. United States | Grant St. / E 140th Ave. / (parking) (39.94932, -104.98311) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 62.4840 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2018 | Year Completed estimated (2018-2019). | 
| Thornton,
                CO Adams Co. United States | Grant St. / (parking) (39.94597, -104.98307) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2018 | Year Completed estimated (2018-2019). | 
| Broomfield,
                CO Broomfield Co. United States | W 138th Ave. / Kalamath St. / Maddox Ct. (39.94514, -105.00113) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2008 | |
| Broomfield,
                CO Broomfield Co. United States | W 138th Ave. / Quivas St. / Beacon St. (39.94559, -105.00860) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 32.0040 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2008-2010). | 
| Thornton,
                CO Adams Co. United States | Tamarac St. / E 129th Ave. / Tamarac Way (39.93026, -104.89660) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2005 | Year Completed estimated (2004-2005). | 
| Thornton,
                CO Adams Co. United States | 131st Ave. / Oneida St. (39.93268, -104.90764) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2005 | Year Completed estimated (2004-2005). | 
| Thornton,
                CO Adams Co. United States | Holly Cir. / Jasmine St. (39.92580, -104.91863) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2005 | Year Completed estimated (2004-2005). | 
| Henderson,
                CO Adams Co. United States | Henderson Rd. / E 124th Ave. / Park Blvd. (39.92505, -104.87550) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2022 | Merging right-turn bypass lanes on north and east legs. https://adcogov.org/henderson-rd-park-blvd-roundabout-project | 
| Brighton,
                CO Adams Co. United States | Southgate Blvd. / Gateway St. (39.91320, -104.83390) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2018 | Year Completed estimated (2018-2019). | 
| Commerce City,
                CO Adams Co. United States | E 119th Ave. / Oakland St. / (unknown) (39.91279, -104.84949) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2004 | Year Completed estimated (2003-2004). East leg added 2008-2010. | 
| Commerce City,
                CO Adams Co. United States | E 121st Ave. / Jasper St. (39.91627, -104.80425) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2003 | |
| Arvada,
                CO Jefferson Co. United States | W 94th Ave. / Hallett St. (39.86650, -105.22434) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2014 | |
| West Vancouver,
                BC Greater Vancouver Canada | Cross Creek Rd. / Chartwell Dr. (49.34530, -123.14714) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.0000 | Other (At-Grade) Single-Lane | 2012 | Year Completed estimated (2011-2013). | 
| West Vancouver,
                BC Greater Vancouver Canada | Taylor Way / Southborough Dr. / Stevens Dr. (49.34101, -123.13479) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2005 | Yield-controlled right-turn bypass lane on south leg. | 
| Coquitlam,
                BC Greater Vancouver Canada | Soball St. / Gislason Ave. (49.28930, -122.75026) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.0000 | Other (At-Grade) Single-Lane | 2011 | Year Completed estimated (2009-2011). | 
| Port Coquitlam,
                BC Greater Vancouver Canada | Fremont St. / Fremont Dr. / Hwy 7B (Loogheed Hwy.) Exit Ramp (49.24939, -122.73402) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 42.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2010 | Raindrop shaped. Year Completed estimated (2008-2011). | 
| Surrey,
                BC Greater Vancouver Canada | 74 Ave. / 194A St. (49.13733, -122.68371) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.0000 | Other (At-Grade) Single-Lane | 2019 | |
| Surrey,
                BC Greater Vancouver Canada | 194A St. / 73 Ave. (49.13550, -122.68375) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.0000 | Other (At-Grade) Single-Lane | 2014 | |
| Delta,
                BC Greater Vancouver Canada | Ferry Rd. / Admiral Way (49.11201, -123.07804) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 28.0000 | Other (At-Grade) Single-Lane | 2005 | |
| Delta,
                BC Greater Vancouver Canada | Ferry Rd. / Commodore Dr. (49.10577, -123.07907) | Traffic Calming Circle Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-lane w/ Traversable Central Island | Painted splitter islands. | |
| Chilliwack,
                BC Fraser Valley Canada | Columbia Valley Rd. / Sunnyside Blvd. / (parking) (49.07529, -121.97639) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.0000 | Other (At-Grade) Single-Lane | 2010 | Year Completed estimated (2009-2011). | 
| Surrey,
                BC Greater Vancouver Canada | 25 Ave. / 166 St. (49.04745, -122.76265) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2022 | |
| Surrey,
                BC Greater Vancouver Canada | 3A Ave. / 172 St. (49.00848, -122.74635) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.0000 | Other (At-Grade) Single-Lane | 2012 | |
| Gig Harbor,
                WA Pierce Co. United States | Olympus Way / Buckhorn Pl. / Copper Ct. (47.36278, -122.59679) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2014 | |
| Enumclaw,
                WA King Co. United States | Semanski St. / Warner Ave. (47.19201, -122.00551) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2021 | Next to Enumclaw High School. https://www.courierherald.com/news/council-awards-bid-for-roundabout-in-front-of-enumclaw-high/ | 
| Tumwater,
                WA Thurston Co. United States | 93rd Ave. SW / Lathrop Industrial Dr. (46.95285, -122.94231) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | Add-lane right-turn bypass lane on south leg. Year Completed estimated (2021-2022). | 
| Fargo,
                ND Cass Co. United States | 23rd Ave. S / 41st St. S (46.84327, -96.84778) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2020 | Year Completed estimated (2018-2020). | 
| Sisseton,
                SD Roberts Co. United States | SR 10 (W Hickory St. - 119th St.) / 8th Ave. W / BIA Hwy 700 (45.66001, -97.06128) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2020 | Year Completed estimated (2019-2020). | 
| Anoka,
                MN Anoka Co. United States | Green Haven Rd. / Jacob Ln. / US 10-US 169 WB Ramps (45.20655, -93.40067) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | Year Completed estimated (2022-2023). | 
| Anoka,
                MN Anoka Co. United States | W Main St. / US 10-US 169 EB Ramps / Church St. (45.20504, -93.40072) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2022 | Year Completed estimated (2022-2023). | 
| Westmere,
                NY Albany Co. United States | Crossgates Mall Rd. / Adirondack Northway Ramps (42.68736, -73.84561) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | https://spectrumlocalnews.com/nys/capital-region/news/2023/03/23/roundabout-coming-to-crossgates-mall- | 
| Macomb,
                MI Macomb Co. United States | 25 Mile Rd. / Romeo Plank Rd. / Garfield Rd. (42.70077, -82.95901) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2022 | Year Completed estimated (2021-2022). | 
| Clarksville,
                TN Montgomery Co. United States | Henry Place Blvd. / Bandera Dr. (36.60740, -87.38149) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2013 | |
| Saukville,
                WI Ozaukee Co. United States | STH 33 / CTH I (43.39585, -87.97946) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6717 | Other (At-Grade) Single-Lane | 2022 | |
| Brown Deer,
                WI Milwaukee Co. United States | STH 57 / Teutonia Ave. (43.17202, -87.96338) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.7680 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2022 | |
| Oconomowoc,
                WI Waukesha Co. United States | Pabst Rd. / Olympia Fields Dr. (43.08687, -88.47287) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | |
| Bend,
                OR Deschutes Co. United States | US 20 / Cooley Rd. (44.10922, -121.31043) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2023 | Opened May 26, 2023 during construction as single-lane roundabout but designed to be a multilane roundabout. | 
| Woodstock,
                GA Cherokee Co. United States | Wiley Bridge Rd. / Cox Rd. (34.09392, -84.43287) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | Year Completed estimated (2022-2023). | 
| Langley,
                BC Greater Vancouver Canada | 64 Ave. / 232 St. (49.11889, -122.58167) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2020 | |
| Nampa,
                ID Canyon Co. United States | N Franklin Blvd. / Birch Ln. (43.61231, -116.55315) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | https://twitter.com/NampaPIO/status/1654208519175045120 | 
| Nampa,
                ID Canyon Co. United States | E Victory Rd. / N Kings Rd. (43.57584, -116.53288) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2022 | https://twitter.com/NampaPIO/status/1606348916282101760 | 
| Hobart,
                WI Brown Co. United States | CR VV (Marley St.) / STH 29 EB Ramps (44.57594, -88.17273) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | https://wisconsindot.gov/Pages/projects/by-region/ne/wis29study/schedule.aspx | 
| Hobart,
                WI Brown Co. United States | Marley St. / Triangle Dr. / Oneida Way (44.57460, -88.17586) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | North leg stubbed. https://wisconsindot.gov/Pages/projects/by-region/ne/wis29study/schedule.aspx | 
| Howard,
                WI Brown Co. United States | CR VV (Marley St.) / STH 29 WB Ramps (44.57753, -88.17131) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | https://wisconsindot.gov/Pages/projects/by-region/ne/wis29study/schedule.aspx | 
| Hobart,
                WI Brown Co. United States | N Overland Rd. / Oneida Way / Centerline Dr. (44.57140, -88.16988) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.2440 | Other (At-Grade) Single-Lane | 2022 | |
| Five Corners,
                WA Clark Co. United States | NE 94th Ave. / NE 99th St. (45.69343, -122.57575) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2023 | |
| Marmaduke,
                AR Greene Co. United States | US 49 (S 3rd St.) / SR 34 (36.18693, -90.38488) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2023 | Year Completed estimated (2022-2023). November 2022: https://www.youtube.com/watch?v=LurUNtZaU7w May 2023: https://www.youtube.com/watch?v=Kmntt4a_kvI | 
| Burnsville,
                MN Dakota Co. United States | Cliff Rd. W / I-35W SB Ramps (44.78229, -93.29009) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1480 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | https://patch.com/minnesota/burnsville/construction-begins-i-35w-southbound-ramp-improvement-project | 
| Columbia,
                MD Howard Co. United States | Tamar Dr. / Old Montgomery Rd. (39.20533, -76.82822) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2022 | https://www.howardcountymd.gov/News090122c | 
| (unincorporated),
                NC Robeson Co. United States | Leeper Rd. / I-295 SB Ramps (34.92075, -78.97889) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | https://abc11.com/nc-fayetteville-outer-loop-i295-new-sections-open/12478490/ | 
| (unincorporated),
                NC Robeson Co. United States | Leeper Rd. / I-295 NB Ramps (34.92281, -78.97772) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | https://abc11.com/nc-fayetteville-outer-loop-i295-new-sections-open/12478490/ | 
| (unincorporated),
                NC Cumberland Co. United States | Old Plank Rd. / I-295 SB Ramps (34.94793, -78.99697) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | Yield-controlled right-turn bypass lanes on north and west legs. https://abc11.com/nc-fayetteville-outer-loop-i295-new-sections-open/12478490/ | 
| (unincorporated),
                NC Cumberland Co. United States | Old Plank Rd. / I-295 NB Ramps (34.94791, -78.99430) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | Yield-controlled right-turn bypass lanes on south and east legs. https://abc11.com/nc-fayetteville-outer-loop-i295-new-sections-open/12478490/ | 
| (unincorporated),
                NC Robeson Co. United States | SR 71 / Leeper Rd. (SR 1717) (34.90711, -78.99060) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2022 | https://www.aaroads.com/guides/nc-071/ | 
| Waukee,
                IA Dallas Co. United States | NW 2nd St. / NW Sunrise Dr. (41.62191, -93.88215) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2022 | East leg stubbed. Yield-controlled right-turn bypass lane on west leg. Year Completed estimated (2021-2022). https://www.waukee.org/194/Capital-Improvement-Projects | 
| Waukee,
                IA Dallas Co. United States | NW 2nd St. / (parking) (41.62461, -93.88202) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2022 | East leg stubbed. Access to school and park. Year Completed estimated (2021-2022). https://www.waukee.org/194/Capital-Improvement-Projects | 
| Waukee,
                IA Dallas Co. United States | NW Sunrise Dr. / NW 6th St. / (parking) (41.62216, -93.88667) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2021 | Access to school. https://www.waukee.org/194/Capital-Improvement-Projects | 
| Camanche,
                IA Clinton Co. United States | US 67 / 7th Ave. (41.79727, -90.25775) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.youtube.com/watch?v=r8ajPBUZU6E | 
| Jackson,
                MI Jackson Co. United States | N Elm Ave. / I-94-US 127 EB Ramps (42.27461, -84.38325) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 53.3400 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | https://www.michigan.gov/mdot/projects-studies/i-route-construction/i94-road-and-bridge-rebuilding-project-jackson-county | 
| Jackson,
                MI Jackson Co. United States | N Elm Ave. / I-94-US 127 WB Entrance Ramp (42.27627, -84.38357) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 48.7680 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | https://www.michigan.gov/mdot/projects-studies/i-route-construction/i94-road-and-bridge-rebuilding-project-jackson-county | 
| Jackson,
                MI Jackson Co. United States | N Elm Ave. / Seymour Rd. / Rosehill Rd. (42.27724, -84.38398) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Single-Lane | 2023 | https://www.michigan.gov/mdot/projects-studies/i-route-construction/i94-road-and-bridge-rebuilding-project-jackson-county | 
| Greenwood,
                IN Johnson Co. United States | S Honey Creek Rd. / Stones Crossing Rd. (39.57825, -86.13973) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | Replaced offset T-intersections. https://dailyjournal.net/2022/08/21/stones-crossing-honey-creek-roads-to-close-for-roundabout-construction-2/ | 
| Bend,
                OR Deschutes United States | SE Stonegate Dr. / SE Hedgewood Ln. / Addie Tripplett Loop (44.00642, -121.32106) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2006 | |
| Bend,
                OR Deschutes United States | SE Stonegate Dr. / SE Rolled Rock Way / SE Addie Triplett Loop (44.00734, -121.31987) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-Lane | 2006 | |
| Bend,
                OR Deschutes United States | SE 15th St. / SE Wilson Ave. (44.04410, -121.28383) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.5277 | Other (At-Grade) Single-Lane | 2023 | https://ktvz.com/news/bend/2023/05/12/bends-latest-roundabout-opens-at-se-15th-street-and-wilson-avenue/ | 
| Ruffs Dale,
                PA Westmoreland Co. United States | SR 3014 (Hunker Rd.) / I-70 WB Ramps (40.21336, -79.66387) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 54.8640 | Freeway Ramps (Grade-Separated) Single-Lane | 2021 | Year Completed estimated (2020-2021). | 
| Ruffs Dale,
                PA Westmoreland Co. United States | Waltz Mill Rd. / SR 3014 (Hunker Rd.) / Waltz Mill Flats Rd. (40.21406, -79.66566) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Single-Lane | 2021 | Merging right-turn bypass lane on east leg. Year Completed estimated (2020-2021). | 
| Harmony,
                PA Butler Co. United States | Little Creek Rd. / Mercer Rd. (40.81106, -80.12356) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2023 | Year Completed estimated (2022-2023). | 
| Lincoln,
                NE Lancaster Co. United States | S Coddington Ave. / W A St. (40.79914, -96.74940) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Yield-controlled right-turn bypass lanes on north and south legs. Add-lane right-turn bypass lane on east leg. Designed for future expansion to 2x2 configuration. Year Completed estimated (2022-2023). | 
| North Bend,
                WA King Co. United States | 436th Ave. SE / SE 136th St. (47.47778, -121.75834) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://livingsnoqualmie.com/updated-construction-schedule-for-se-136th-street-436th-avenue-roundabout-in-north-bend/ | 
| St Albert,
                AB Division 11 Canada | Hwy 633 (Villeneuve Rd.) / (parking) (53.65791, -113.63362) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 35.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2023 | https://stalbert.ca/dev/construction/transportation/villeneuve/ | 
| St Albert,
                AB Division 11 Canada | Villeneuve Rd. / Dennison Dr. / Jensen Gate (53.65788, -113.65248) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2022 | https://stalbert.ca/dev/construction/transportation/villeneuve/ | 
| Guaynabo,
                PR Guaynabo United States | Calle Cecilio Urbina / (parking) (18.35675, -66.11388) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 70.0000 | Other (At-Grade) Single-Lane | 2014 | |
| Guaynabo,
                PR Santa Rosa Barrio United States | Calle Orquídea (18.35695, -66.11742) | Traffic Calming Circle Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 70.0000 | Other (At-Grade) Single-Lane | 2014 | |
| Guaynabo,
                PR Santa Rosa Barrio United States | Calle El Yunque / Calle Parque de los Niños / Calle El Vigia (18.36403, -66.11971) | Other Existing | All-Way Stop Unknown | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane |