| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                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. | 
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                S O'Connell Rd. / E 25th St. / E 25th Terrace (38.93924, -95.20494)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Year Completed estimated (2008-2009). | 
| 
                Londontowne,
                MD Anne Arundel Co. United States  | 
            
                Southdown Rd. / Landing Rd. / Decker Pl. (38.93983, -76.57211)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                24th Pl. / Inverness Dr. (38.94105, -95.29808)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.0814  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Approved by Commission over neighborhood opposition. Was a 3 leg intersection prior to construction. Near Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                24th Pl. / Crossgate Dr. (38.94130, -95.28875)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 26.9392  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Planned in connection with extention of 24th Place Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Falcon,
                CO El Paso Co. United States  | 
            
                Falcon Market Pl. / Woodmen Frontage Rd. / E Woodmen Rd. (38.94134, -104.61192)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | |
| 
                De Soto,
                KS Johnson Co. United States  | 
            
                W 103rd St. / Astra Pkwy. (38.94208, -95.00725)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            2023 | https://www.kcur.org/podcast/up-to-date/2024-03-05/heres-how-de-soto-kansas-is-getting-ready-for-massive-panasonic-plants-2025-opening | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Tutt Blvd. / Bear Run Point (38.94247, -104.71133)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.5172  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Year Completed estimated (2006-2011). ICD estimated from Google Maps linework. | 
| 
                North Milford Historic District,
                DE Kent Co. United States  | 
            
                Greenbrook Dr. / Goldfinch Dr. / Nightingale Dr. (38.94278, -75.45530)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                Clinton Pkwy. / Lake Pointe Dr. (38.94298, -95.32938)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 31.5831  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Fatal crash March 4, 2007. 11861-05.Functional Class: Arterial. ICD estimated from Google Maps linework. | 
| 
                Washington,
                DC N/A Co. United States  | 
            
                Grant Circle (New Hampshire Ave. / Illinois Ave. / Varnum St. / NW 5th St.) (38.94312, -77.01926)  | 
            
                Rotary Existing  | 
            
                All-Way Stop None  | 
            
                8 Approaches 0 Driveways 120.7587  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Functional Class: Arterial ICD estimated from Google Maps linework. | |
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Shiloh Mesa Dr. / Mulberry Dr. (38.94332, -104.67591)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2017-2019). | 
| 
                Davidsonville,
                MD Prince George's Co. United States  | 
            
                Town Center Blvd. / Emerald Way (38.94399, -76.73410)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            Inside shopping center. No splitter islands on east and west legs. | |
| 
                Unity Village,
                MO Jackson Co. United States  | 
            
                NW Colburn Rd. / NW Blue Pkwy / Unity Way (38.94431, -94.40453)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.8715  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | Right-turn bypass lanes on west and south legs. ICD estimated from Google Maps linework. | 
| 
                Union,
                KY Boone Co. United States  | 
            
                Mt Zion Rd. / Old Union Rd. (38.94469, -84.68042)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | http://www.cityofunionky.org/ky-536mount-zion-road-update/ | 
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                Crestline Dr. / (parking) (38.94514, -95.26634)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 57.9120  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Year Completed estimated (2006-2008). | 
| 
                Aldie,
                VA Loudoun Co. United States  | 
            
                Lenah Mill Blvd. / Quail Crossing Way / Sparrow Pond Ct. (38.94564, -77.57003)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2016 | Year Completed estimated (2015-2016). | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Kenosha Dr. / Mulberry Dr. (38.94566, -104.67644)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | Year Completed estimated (2015-2017). | 
| 
                Washington,
                DC N/A Co. United States  | 
            
                Tenley Circle (Nebraska Ave. / Wisconsin Ave. / Yuma St.) (38.94628, -77.07875)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal None  | 
            
                0 Approaches 0 Driveways 73.3809  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Columbia,
                MO Boone Co. United States  | 
            
                Rollins Rd. / (parking lot entrance) (38.94644, -92.38714)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                2 Approaches 1 Driveways 23.2217  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Entrance to parking lot for Bonnie View Nature Sanctuary. ICD estimated from Google Maps linework. | 
| 
                Union,
                KY Boone Co. United States  | 
            
                Mt Zion Rd. / (unknown) (38.94650, -84.67308)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.8033  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | http://www.cityofunionky.org/ky-536mount-zion-road-update/ ICD estimated from Google Maps linework. | 
| 
                Colonial Gardens,
                MO Boone Co. United States  | 
            
                Rollins Rd. / S Fairview Rd. (38.94681, -92.38090)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 12.0752  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Washington,
                DC N/A Co. United States  | 
            
                Sherman Circle (Kansas Ave. / Illinois Ave. / Crittenden St.) (38.94733, -77.02190)  | 
            
                Rotary Existing  | 
            
                All-Way Stop None  | 
            
                6 Approaches 0 Driveways 89.1704  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Functional Class: Arterial ICD estimated from Google Maps linework. | |
| 
                Lamezia Terme,
                Calabria Catanzaro Italy  | 
            
                SP108-SS109 (Via dei Bizantini) / Via Madre Teresa di Calcutta (38.94764, 16.29936)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            ||
| 
                Bethesda,
                MD Montgomery Co. United States  | 
            
                Boxwood Rd. / Spangler Ave. (38.94781, -77.10888)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Bethesda,
                MD Montgomery Co. United States  | 
            
                Tournay Rd. / Spangler Ave. (38.94811, -77.11053)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Washington,
                DC United States  | 
            
                Westmoreland Circle (Massachusetts Ave. NW / Dalecarlia Dr. / Western Ave. NW / Butterworth Pl. NW) (38.94892, -77.10097)  | 
            
                Rotary Existing  | 
            
                All-Way Yield None  | 
            
                6 Approaches 0 Driveways 100.5840  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            On boundary of DC and Maryland (Western Ave. is the boundary). | |
| 
                Columbia,
                MO Boone Co. United States  | 
            
                Bass Ave. / S Williams St. (38.94899, -92.31709)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 27.8651  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | ICD estimated from Google Maps linework. | 
| 
                Davidsonville,
                MD Prince George's Co. United States  | 
            
                Health Center Dr. / (parking) (38.94925, -76.74452)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                E. 19th St. / Barker Ave. (38.95003, -95.23283)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 16.7188  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                W 18th St. / Ousdahl Rd. (38.95149, -95.25571)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | |
| 
                McNair,
                VA Fairfax Co. United States  | 
            
                Corporate Park Dr. / Woodland View Dr. (38.95172, -77.39609)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Year Completed estimated (2018-2019). | 
| 
                Davidsonville,
                MD Prince George's Co. United States  | 
            
                Marleigh Dr. / Huntchase Dr. (38.95209, -76.79398)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            No splitter islands. | |
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Prairie Star Pkwy / Montecello Rd. (38.95251, -94.84398)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 52.0123  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Union,
                KY Boone Co. United States  | 
            
                Sweet Harmony Ln. / Dawns Light (38.95298, -84.67487)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 49.2256  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Year Completed estimated (2006-2008). ICD estimated from Google Maps linework. | 
| 
                Lamezia Terme,
                Calabria Catanzaro Italy  | 
            
                SP108-SS109 (Via dei Bizantini) / Via Salvatore Foderaro / Via Jean-Henry Dunant (38.95334, 16.30430)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                E. 17th St. / New Hampshire St. (38.95364, -95.23475)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 13.0029  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Year Completed estimated (fuzzy aerial photos). ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Windjammer Dr. / Brigantine Dr. (38.95401, -104.77020)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 32.5070  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | ICD estimated from Google Maps linework. | 
| 
                Florence,
                KY Boone Co. United States  | 
            
                Sherwood Lakes Dr. / Biltmore Connector (38.95524, -84.62936)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2020 | |
| 
                Lamezia Terme,
                Calabria Catanzaro Italy  | 
            
                Via Antonio Reillo / Via Jean-Henry Dunant (38.95537, 16.30244)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Lamezia Terme,
                Calabria Catanzaro Italy  | 
            
                Via Antonio Reillo / Via Madre Teresa di Calcutta (38.95540, 16.29892)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Mansions at Canyon Creek,
                KS Johnson Co. United States  | 
            
                W 95th Ln. (38.95544, -94.88063)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Minden,
                NV Douglas Co. United States  | 
            
                Hwy 88 / County Rd. / Mahogany Rd. (38.95578, -119.77936)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.9337  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Marshall Dr. / W 95th St. EB Connector (38.95590, -94.73460)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.3636  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | Near diverging diamond interchange. https://www.ksdot.org/Assets/wwwksdotorg/Headquarters/PDF_Files/2016-11-28_ProjectUpdate12_Web_FINAL_FactSheet-LowRes.pdf . ICD estimated from Google Maps linework. | 
| 
                Mansions at Canyon Creek,
                KS Johnson Co. United States  | 
            
                W 95th Ln. / Zarda Dr. (38.95602, -94.87907)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                95th St. / Monticello Rd. (38.95639, -94.84403)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.1496  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Prairie Star Pkwy. / Dunraven St. (38.95644, -94.85867)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 53.8668  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Opened May 2009. Series of 7 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Prairie Star Pkwy. / Gleason Rd. (38.95645, -94.86272)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.0806  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Opened May 2009. Series of 7 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Prairie Star Pkwy. / McCormack Dr. (38.95703, -94.86583)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 52.9377  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Opened May 2009. Series of 7 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Marshall Dr. / W 95th St. WB Connector (38.95709, -94.73438)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.1492  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | Near diverging diamond interchange. https://www.ksdot.org/Assets/wwwksdotorg/Headquarters/PDF_Files/2016-11-28_ProjectUpdate12_Web_FINAL_FactSheet-LowRes.pdf . ICD estimated from Google Maps linework. | 
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Prairie Star Pkwy. / Canyon Creek Pkwy. (38.95767, -94.87938)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 57.5808  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Opened May 2009. Series of 7 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Eastport,
                MO Boone Co. United States  | 
            
                Bull Run Dr. / Port Way SE (38.95769, -92.25171)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 31.5766  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Renner Blvd. / Parking Lot Entrance (38.95781, -94.77966)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 49.2222  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Lamezia Terme,
                Calabria Catanzaro Italy  | 
            
                Via Antonio Reillo / Via Senatore Arturo Perugini (38.95830, 16.29921)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Bowie,
                MD Prince George's Co. United States  | 
            
                Melford Blvd. / Curie Dr. (38.95842, -76.70683)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 78.9406  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Prairie Star Pkwy. / High School West (38.95897, -94.86850)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.0788  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Opened May 2009. Series of 7 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                West Campus Rd. / Jayhawk Blvd. / Crescent Rd. (38.95905, -95.25105)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.7185  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Original circle built c. 1945, rebuilt 2013 as part of reconstruction of Jayhawk Boulevard. Encircles Chi Omega fountain. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Prairie Star Pkwy. / Shady Bend Rd. (38.95950, -94.87614)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.1497  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Opened May 2009. Series of 7 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Research Pkwy. / (unknown #1) (38.95966, -104.72230)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.5774  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | Has marked double-left turn at northbound entry using conventional arrows. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                College Park,
                MD Prince George's Co. United States  | 
            
                Dupont Circle (38.95971, -76.93792)  | 
            
                Other Existing  | 
            
                Other Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            Mix of stop and yield control. No splitter islands. | |
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Prairie Star Pkwy. / Clare Rd. (38.95972, -94.87209)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 56.6504  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Opened May 2009. Intersection of series of 7 roundabouts and series of 5 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Loma Vista,
                MO Jackson Co. United States  | 
            
                9051 Health Care (38.96013, -94.51765)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 58.5075  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Grand Cordera Pkwy. / Sky Meadow Dr. / Wild Sage Grove (38.96025, -104.72647)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.8623  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | Year Completed estimated (2013-2014). ICD estimated from Google Maps linework. | 
| 
                Davidsonville Historic District,
                MD Prince George's Co. United States  | 
            
                Science Dr. / (parking) (38.96068, -76.71428)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Bowie,
                MD Prince George's Co. United States  | 
            
                Melford Blvd. / Science Dr. (38.96089, -76.71320)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 43.6480  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Concentric striping in circulatory roadway. ICD estimated from Google Maps linework. | 
| 
                Parole,
                MD Anne Arundel Co. United States  | 
            
                Riva Trace Pkwy. / Winters Chase Way (38.96098, -76.56114)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Columbia,
                MO Boone Co. United States  | 
            
                Interstate 70 Dr. SE / N Keene St. (38.96117, -92.28877)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | https://www.facebook.com/ColumbiaMissouriPublicWorks/posts/the-roundabout-at-the-keene-street-and-i-70-drive-se-intersection-is-open-to-tra/3580714545294334/ | 
| 
                Lamezia Terme,
                Calabria Catanzaro Italy  | 
            
                Via Senatore Arturo Perugini / Via Giovanni De Sensi (38.96121, 16.29572)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Research Pkwy. / (unknown #2) (38.96123, -104.71810)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 49.2198  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Prairie Village,
                KS Johnson Co. United States  | 
            
                Meadowbrook Pkwy. (38.96147, -94.64582)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Research Pkwy. / (unknown #3) (38.96204, -104.71430)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.1479  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Clare Rd. / 92nd St. (38.96217, -94.87213)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.0739  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Series of 5 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Chillum,
                MD Prince George's Co. United States  | 
            
                Oglethorpe St. / 20th Ave. (38.96225, -76.97495)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                Wakarusa Dr. / Legends Dr. / Inverness Dr. (38.96296, -95.30698)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.3602  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2015 | Open January 2015. ICD estimated from Google Maps linework. | 
| 
                Columbia,
                MO Boone Co. United States  | 
            
                Clark Ln. / E St Charles Rd. / Lakewood Dr. (38.96322, -92.25112)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 43.6465  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Columbia,
                MO Boone Co. United States  | 
            
                E St Charles Rd. / Lake of the Woods Rd. / Player Pl. (38.96324, -92.24605)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 1 Driveways 26.9308  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Oval shaped. ICD estimated from Google Maps linework. | 
| 
                Columbia,
                MO Boone Co. United States  | 
            
                Clark Ln. / Ballenger Pl. (38.96325, -92.26735)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 41.7892  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Renner Rd. / S Apartment Entrance (38.96370, -94.77972)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 2 Driveways 40.8603  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2007 | Completed May 2007. Series of 4 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Brainard Dr. / Squirreltail Dr. (38.96376, -104.74410)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.2161  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Lamezia Terme,
                Calabria Catanzaro Italy  | 
            
                Via Giovanni De Sensi / Via Sant'Umile da Bisignano (38.96382, 16.29558)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Unknown Single-Lane  |   
            Bike lane in circulatory roadway. | |
| 
                Davidsonville Historic District,
                MD Prince George's Co. United States  | 
            
                Science Dr. / Curie Dr. (38.96399, -76.70897)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                Monterey Way / Harvard Rd. (38.96400, -95.28833)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 15.7869  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Built as part of reconstrction of Monterey Way. Designed as part of City/State Safety Improvement Project. ICD estimated from Google Maps linework. | 
| 
                Loma Vista,
                MO Jackson Co. United States  | 
            
                Hillcrest Rd. / Fleming Rd. (38.96401, -94.51631)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 53.8611  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                W. Harvard Rd. / George Williams Way (38.96404, -95.32552)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.1446  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Built in conjunction with construction of George Williams Way. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                De Soto,
                KS Johnson Co. United States  | 
            
                Lexington Ave. / W 91st St. (38.96404, -94.98321)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2021 | https://www.desotoks.us/263/Roundabout | 
| 
                Gilberts Corner,
                VA Loudoun Co. United States  | 
            
                US 50 / Rte 860 (38.96444, -77.60944)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 40.8599  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Gilberts Corner,
                VA Loudoun Co. United States  | 
            
                US 15 / Howsers Branch Dr. (38.96468, -77.62237)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 40.8598  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Clare Rd. / 89th Terr. (38.96470, -94.87216)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 26.0017  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Series of 5 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Riverton,
                VA Warren Co. United States  | 
            
                Rte 655 / Riverton Commons Dr. (38.96486, -78.18718)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.0738  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                Renner Rd. / 90th St. (38.96544, -94.77975)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.0735  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2007 | Completed May 2007. Series of 4 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                W. Harvard Rd. / Goldfield St. / Goldfield Ct. (38.96597, -95.29628)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 16.7150  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Built as part of Harvard Road Traffic Calming plan. A Temporary traffic circle with all way Yield control was installed prior to permanent construction. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Queenstown,
                MD Queen Anne's Co. United States  | 
            
                Nesbit Rd. / Shoreway Dr. (38.96600, -76.18291)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | Fourth leg stubbed. | 
| 
                The Grant at Willowsford,
                VA Loudoun Co. United States  | 
            
                Everfield Dr. / Chinkapin Pl. / Wild Plum Dr. (38.96601, -77.59547)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | No external curbs. | 
| 
                Troy,
                MO Lincoln Co. United States  | 
            
                S Lincoln Dr. / S 3rd St. / Old Moscow Mills Rd. (38.96606, -90.95936)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.3592  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Lamezia Terme,
                Calabria Catanzaro Italy  | 
            
                Viale Guglielmo Marconi / Via Giovanni De Sensi (38.96616, 16.29507)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Columbia,
                MO Boone Co. United States  | 
            
                Business Loop 70 / I-70 EB Ramps / Interstate 70 Dr. SW (38.96640, -92.35032)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.4304  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Columbia,
                MO Boone Co. United States  | 
            
                Business Loop 70 / I-70 WB On-Ramp (38.96647, -92.35328)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                2 Approaches 1 Driveways 35.2871  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2016 | Replaced older roundabout that was built in 1996. ICD estimated from Google Maps linework. | 
| 
                Columbia,
                MO Boone Co. United States  | 
            
                Business Loop 70 / I-70 WB Ramps / Creasy Springs Rd. (38.96655, -92.35241)  | 
            
                Roundabout Removed  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways 94.7178  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            1996 | First roundabout in Missouri by Missouri DOT. Originally built in 1996 per article: https://www.voxmagazine.com/news/all-about-roundabouts-in-columbia/article_93724b2b-8b20-5228-b4de-315c5c3d2004.html. Replaced with roundabout to immediate west. ICD estimated from Google Maps linework. | 
| 
                Gilberts Corner,
                VA Loudoun Co. United States  | 
            
                US 50 / Howsers Branch Dr. (38.96663, -77.61662)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 35.2870  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Troy,
                MO Lincoln Co. United States  | 
            
                S Lincoln Dr. / US 61 SB Ramps (38.96664, -90.95804)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 43.6444  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. |