| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Topeka,
                KS Shawnee Co. United States | NW 46th St. / Oakley Ave. / Hunters Ridge Dr. (39.12937, -95.71753) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.6911 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | ICD estimated from Google Maps linework. | 
| Topeka,
                KS Shawnee Co. United States | NW 46th St. / Fielding Rd. (39.12928, -95.71420) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 49.1029 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | ICD estimated from Google Maps linework. | 
| De Pere,
                WI Brown Co. United States | Main Ave.-Wisconsin St. (STH 32) / Broadway (STH 57) (44.44744, -88.06049) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.5995 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Opened July 12, 2007. First multilane roundabout in Wisconsin. ICD estimated from Google Maps linework. | 
| Milwaukee,
                WI Milwaukee Co. United States | W Canal St. / N 25th St. (43.03109, -87.94351) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.9057 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | Opened September 15, 2005 ICD estimated from Google Maps linework. | 
| Lehi,
                UT Utah Co. United States | N 900 W / W Grasslands Dr. (40.38620, -111.82260) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.8400 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | In parking lot for big box retail shopping center. ICD estimated from Google Maps linework. | 
| St. George,
                UT Washington Co. United States | Washington Pkwy. / (unknown) (37.14462, -113.48590) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9290 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | Date estimated. ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / Grand Ave. (45.78407, -108.61760) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.1455 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Series of 8 roundabouts. Fatal crash 2012. 11861-05. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / Broadwater Ave. (45.77685, -108.61760) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 44.9815 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / Central Ave. (45.76963, -108.61760) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 53.3183 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / Monad Rd. (45.76236, -108.61760) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 46.6596 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Series of 8 roundabouts. Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / King Ave. (45.75507, -108.61760) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 58.3321 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / (Local Access) (45.74776, -108.61750) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 37.5041 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Series of 8 roundabouts. Main access to construction materials facility (600+ trucks per day). Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / Hesper Rd. (45.74060, -108.61740) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 43.3436 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Billings,
                MT Yellowstone Co. United States | Shiloh Rd. / Zoo Dr. (45.73609, -108.61740) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 41.6799 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Series of 8 roundabouts. Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Nassau,
                New Providence Nassau The Bahamas | Independence Dr. / East St. (25.04569, -77.34169) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 55.1833 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Santa Barbara,
                CA Santa Barbara Co. United States | Cabrillo Blvd. / Coast Village Rd. / Hot Springs Rd. (34.42272, -119.65268) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | |
| Billings,
                MT Yellowstone Co. United States | Hwy 3 / 27th St. / Airport Rd. (45.80209, -108.53540) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7937 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Located at Billings airport. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| Grass Valley,
                CA Nevada Co. United States | E. Main St. / Idaho-Maryland Rd. / SR 20 WB Ramps (39.22168, -121.05380) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2008 | Yield-controlled right-turn bypass lane on north leg with very shallow angle. Left-turn-only lane on east leg. | 
| Morro Bay,
                CA San Luis Obispo Co. United States | Morro Bay Blvd. / Quintana Rd. (35.36641, -120.84100) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 1 Driveways 31.1659 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | ICD estimated from Google Maps linework. | 
| Nassau,
                New Providence Nassau The Bahamas | Harrold Rd. / Sir Milo Butler Hwy (25.04628, -77.37572) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 50.8550 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Nassau,
                New Providence Nassau The Bahamas | Harrold Rd. / Bahama Games Blvd. (25.04516, -77.36151) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 50.8555 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Nassau,
                New Providence Nassau The Bahamas | Harrold Rd. / Independence Dr. / Blue Hill Rd. (25.04437, -77.35043) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 62.7582 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Madison,
                WI Dane Co. United States | Lien Rd. / Zeier Rd. (43.12128, -89.29919) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 53.1768 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Opened October 2010. ICD estimated from Google Maps linework. | 
| Topeka,
                KS Shawnee Co. United States | Wanamaker Rd. / 37th St. (39.00010, -95.76231) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.7675 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Opened June 2006. Previously controlled by two-way stop ICD estimated from Google Maps linework. | 
| Topeka,
                KS Shawnee Co. United States | Wanamaker Rd. / 41st St. (38.99257, -95.76227) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 50.1263 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Opened June 2006. Previously controlled by two-way stop ICD estimated from Google Maps linework. | 
| Issaquah,
                WA King Co. United States | East Lake Sammamish Parkway / SE 43rd Way (47.56792, -122.05500) | Roundabout Existing | Unknown Unknown | 3 Approaches 0 Driveways 38.6799 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | ICD estimated from Google Maps linework. | 
| Ocean Shores,
                WA Grays Harbor Co. United States | Point Brown Ave / Chance a la Mer (47.00745, -124.16140) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 39.9064 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | ICD estimated from Google Maps linework. | 
| Lake Stevens,
                WA Snohomish Co. United States | Lundeen Parkway / Soper Hill Rd. (48.01557, -122.10010) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 29.5601 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | ICD estimated from Google Maps linework. | 
| Nassau,
                New Providence Nassau The Bahamas | Nassau St. / Thompson Blvd. / Poinciana Dr. (25.06443, -77.35457) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 51.9293 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Carmel,
                IN Hamilton Co. United States | E 116th St. / Keystone Pkwy. SB Ramps (39.95665, -86.11430) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.7680 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2009 | Raindrop shaped. Part of tight diamond interchange. | 
| Spartanburg,
                SC Spartanburg Co. United States | I-85 Ramps / SC 56 / Lone Oak Rd (34.98405, -81.97258) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 133.0797 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Goleta,
                CA Santa Barbara Co. United States | Lagoon Rd. / Mesa Rd. (34.41491, -119.83930) | Other Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.4993 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | At the University of California Santa Barbara college campus. Right-turn bypass lane. Bus bays along circulatory roadway. Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| Davis,
                CA Yolo Co. United States | Hutchison Dr. / Campbell Rd. (38.53686, -121.77170) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.4343 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Near University of California Davis college campus. Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| Kissimmee,
                FL Osceola Co. United States | Martin Luther King Jr. Blvd. / Central Ave. (28.29715, -81.40780) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 46.2707 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | ICD estimated from Google Maps linework. | 
| Olympia,
                WA Thurston Co. United States | Boulevard Rd. SE / Log Cabin Rd. SE (47.01433, -122.86520) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.0870 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Opened November 2009. Left-turn only lanes on north and south legs with spiralling. ICD estimated from Google Maps linework. | 
| Fairmont,
                WV Marion Co. United States | WV 273 (State St.) / Elkins St. (39.47870, -80.13730) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8637 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Detectable warning surfaces along entire length of narrow pedestrian ramp. | 
| Estero,
                FL Lee Co. United States | Williams Rd. / Sandy Ln. (26.42030, -81.80675) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.3401 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | ICD estimated from Google Maps linework. | 
| Carmel,
                IN Hamilton Co. United States | Towne Rd. / Glebe St. (39.97302, -86.20269) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | |
| Hilton Head,
                SC Beaufort Co. United States | Pembroke Dr. / Indigo Run Dr. (32.21179, -80.71949) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.5041 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2000 | Year Completed estimated (1994-2005). ICD estimated from Google Maps linework. | 
| Tampa,
                FL Hillsborough Co. United States | 40th St. / Hanna Ave. (28.00340, -82.41409) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.1799 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | ICD estimated from Google Maps linework. | 
| Fishers,
                IN Hamilton Co. United States | Greefield Ave. / Olio Rd. / E 136th St. (39.98811, -85.91891) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 83.8200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | |
| Fishers,
                IN Hamilton Co. United States | E 136th St. / Hamilton Commons Blvd. (39.98705, -85.92221) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | |
| Breckenridge,
                CO Summit Co. United States | Main St. / N. Park Ave. (39.49046, -106.04560) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.2595 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | ICD estimated from Google Maps linework. | 
| Pearson,
                CA Yuba Co. United States | Winter Rock Dr. / Empress St. / (unknown) (39.05637, -121.56950) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 46.3714 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | ICD estimated from Google Maps linework. | 
| Richfield,
                MN Hennepin Co. United States | 66th St. / Richfield Pkwy. (17th Ave.) (44.88351, -93.25011) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.6192 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Completed August 2007. First roundabout in Richfield. Double left turn for southbound left turn. Serves Target shopping center. ICD estimated from Google Maps linework. | 
| Grand Junction,
                CO Mesa Co. United States | 24 Rd. / I-70 WB Ramps (39.11454, -108.60820) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.7732 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2006 | ICD estimated from Google Maps linework. | 
| Grand Junction,
                CO Mesa Co. United States | 24 Rd. / I-70 EB Ramps (39.11333, -108.60820) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 37.0672 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2006 | ICD estimated from Google Maps linework. | 
| Richfield,
                WI Washington Co. United States | STH 145 / US 41 SB Ramps (43.28170, -88.19557) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 37.3868 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2009 | Series of 5 roundabouts. Corridor serves two interchanges and Cabelas commercial development. ICD estimated from Google Maps linework. | 
| Richfield,
                WI Washington Co. United States | STH 145 / US 41 NB Ramps (43.28247, -88.19345) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 34.7780 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2009 | Series of 5 roundabouts. Corridor serves two interchanges and Cabelas commercial development. ICD estimated from Google Maps linework. | 
| Richfield,
                WI Washington Co. United States | STH 145 / Cabela Way (43.28377, -88.18944) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.9939 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Series of 5 roundabouts. Corridor serves two interchanges and Cabelas commercial development. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Kalamazoo,
                MI Kalamazoo Co. United States | Howard St. / Solon St. / Kendall Ave. (42.28836, -85.62660) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.0600 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Yield-controlled right-turn bypass lane on east leg. Kendall Avenue is one-way northbound exiting the roundabout. ICD estimated from Google Maps linework. | 
| Venice,
                CA Los Angeles Co. United States | Windward Ave. / Main St. / Grand Blvd. (33.98816, -118.47100) | Other Existing | Unknown Unknown | 5 Approaches 0 Driveways 48.5238 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Wickenburg,
                AZ Maricopa Co. United States | US 93 / US 60 (33.97094, -112.72790) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 50.5146 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Consecutive double lefts with three-lane circulatory section. ICD estimated from Google Maps linework. | 
| Wickenburg,
                AZ Maricopa Co. United States | US 93 / Tegner St. (33.98513, -112.73940) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.5546 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | ICD estimated from Google Maps linework. | 
| Raleigh,
                NC Wake Co. United States | Hillsborough St. / Pullen Rd. (35.78608, -78.66244) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Fencing along sidewalk next to circulatory roadway for ADA accessibility instead of landscape buffer. Originally built 2010 as multilane roundabout. Modified 2011-2013 with striping to reduce to single-lane with right-turn-only lanes on north, west, and south legs. At entrance to North Carolina State University campus. | 
| Sacramento,
                CA Sacramento Co. United States | X St. / 48th St. (38.55347, -121.45030) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 42.0299 | Other (At-Grade) Multilane (2 Lane, unspecified) | 1995 | ICD estimated from Google Maps linework. | 
| Modesto,
                CA Stanislaus Co. United States | Roselle Ave. / Floyd Ave. (37.67812, -120.93960) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.5914 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Opened July 3, 2007. ICD estimated from Google Maps linework. | 
| Altoona,
                IA Polk Co. United States | Bass Pro Dr. / Prairie Fire Blvd. (41.65177, -93.51022) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.8352 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Part of Bass Pro Shops commercial shopping center. ICD estimated from Google Maps linework. | 
| Cleveland,
                OH Cuyahoga Co. United States | Quigley Rd. / W. 14th St. / I-71 NB Offramp / I-71 SB Onramp (41.46614, -81.69114) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.1181 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2006 | Opened August 21, 2006. ICD estimated from Google Maps linework. | 
| Green,
                OH Summit Co. United States | Massillon Rd. (SR 241) / Steese Rd. (40.94755, -81.46524) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.5169 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Opened August 2009. ICD estimated from Google Maps linework. | 
| (unincorporated),
                OH Delaware Co. United States | Sawmill Pkwy. / Hyatts Rd. (40.21642, -83.09669) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.8641 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | ICD estimated from Google Maps linework. | 
| Dublin,
                OH Union Co. United States | SR 161 / Industrial Pkwy. (40.10893, -83.18708) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 55.7203 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | ICD estimated from Google Maps linework. | 
| Dublin,
                OH Union Co. United States | Industrial Pkwy. / Old Industrial Pkwy. (40.11130, -83.18659) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 46.5842 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | ICD estimated from Google Maps linework. | 
| Miami,
                FL Miami-Dade Co. United States | SW 16th St. / University Dr. (25.75435, -80.37009) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.1950 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2001 | ICD estimated from Google Maps linework. | 
| Kinston,
                NC Lenoir Co. United States | King St. (NC 55) / MLK Jr. Blvd. (NC 11) / S Tiffany St. (35.25871, -77.57288) | Roundabout Existing | All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) | 4 Approaches 0 Driveways 46.8112 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | At-grade railroad crossings 310 ft from roundabout on west leg and 330 ft from roundabout on south leg. ICD estimated from Google Maps linework. | 
| Truckee,
                CA Nevada Co. United States | Hwy 89 / Henness Rd. / Donner Pass Rd. (39.34103, -120.17220) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 52.6496 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Scaggsville,
                MD Howard Co. United States | MD 216 / Maple Lawn Blvd. (39.14710, -76.90723) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 40.7543 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | Series of 4 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Scaggsville,
                MD Howard Co. United States | MD 216 / Westside Blvd. (39.14796, -76.90977) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.6801 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Series of 4 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Scaggsville,
                MD Howard Co. United States | Maple Lawn Blvd. / Tawes St. (39.15364, -76.90125) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 34.2675 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | ICD estimated from Google Maps linework. | 
| Scaggsville,
                MD Howard Co. United States | Maple Lawn Blvd. / Iager Blvd. (39.15816, -76.90440) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.3392 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | ICD estimated from Google Maps linework. | 
| Pinehurst,
                NC Moore Co. United States | US 15 / US 501 / NC 2 / NC 211 (35.20173, -79.45045) | Rotary Existing | Unknown Unknown | 5 Approaches 0 Driveways 201.0393 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Viera,
                FL Brevard Co. United States | Wickham Rd. / Lake Andrews Dr. (28.22975, -80.72577) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.5091 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2002 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Gorham,
                ME Cumberland Co. United States | Rte. 112 / Rte. 114 (43.65213, -70.42751) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7999 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | ICD estimated from Google Maps linework. | 
| Irvine,
                CA Orange Co. United States | Sand Canyon Ave. / Shady Canyon Dr. (33.65462, -117.78100) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 104.3859 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2001 | ICD estimated from Google Maps linework. | 
| Irvine,
                CA Orange Co. United States | Laguna Canyon Rd. / Quail Hill (33.64756, -117.76640) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 57.6655 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2003 | One approach leads to an unfinished road ICD estimated from Google Maps linework. | 
| Palmdale,
                CA Los Angeles Co. United States | Palmdale Blvd. (SR 138) / 47th St. / 50th St. (34.58010, -118.04510) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 57.9120 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Modified 2019-2020 to add lanes. 21442 | 
| Castaic,
                CA Los Angeles Co. United States | Hasley Canyon Rd. / The Old Road (34.45592, -118.61730) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 52.1943 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | ICD estimated from Google Maps linework. | 
| Albany,
                NY Albany Co. United States | Washington Ave. / CR 156 (Fuller Rd.) (42.69307, -73.83071) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 53.5475 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | New roundabout will be just north of existing intersection. A flyover will carry through traffic on Washington Ave Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Ottawa,
                ON City of Ottawa Canada | Brookfield Rd. / Flannery Dr. (45.37364, -75.68420) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.7886 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Functional Class: Major Collector ICD estimated from Google Maps linework. | 
| Gorham,
                ME Cumberland Co. United States | Rte. 112 / Rte. 25 (43.67923, -70.46568) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.0054 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | ICD estimated from Google Maps linework. | 
| Sanford,
                ME York Co. United States | Rte 109 (Main St.) / Rte 4 (Alfred Rd.-Country Club Rd.) (43.41111, -70.74237) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.2481 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Yield-controlled right-turn bypass lane on north leg. ICD estimated from Google Maps linework. | 
| Auburn,
                ME Androscoggin Co. United States | Turner St. / South Parking (44.11903, -70.23272) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.7239 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Right-turn bypass lane. In shopping center. ICD estimated from Google Maps linework. | 
| Augusta,
                ME Kennebec Co. United States | Cony Circle (Rte. 9 / Rte. 100 / Rte. 17 / Rte. 105) (44.31622, -69.76796) | Roundabout Existing | Unknown Unknown | 5 Approaches 0 Driveways 55.5448 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Converted from old traffic circle to roundabout. Previously controlled by circle ICD estimated from Google Maps linework. | 
| Augusta,
                ME Kennebec Co. United States | US 202 / Rte. 17 / Rte. 11 / Rte. 27 (44.31047, -69.77929) | Rotary Existing | Unknown Unknown | 5 Approaches 0 Driveways 71.7881 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Golden,
                CO Jefferson Co. United States | S. Golden Rd. / Ford St. / Jackson St. (39.74612, -105.20940) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 52.3432 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Ottawa,
                ON City of Ottawa Canada | Brian Coburn Blvd. / Trim Rd. (45.45820, -75.44730) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 74.5586 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Lansing Township,
                MI Ingham Co. United States | Lake Lansing Rd. / Chamberlain Dr. (42.76086, -84.52982) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 56.9966 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | ICD estimated from Google Maps linework. | 
| De Pere,
                WI Brown Co. United States | Scheuring Rd. (CTH F) / Lawrence Dr. (44.43083, -88.10675) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.7605 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Series of 6 roundabouts. Opened November 2, 2010. ICD estimated from Google Maps linework. | 
| Holt,
                MI Ingham Co. United States | Cedar St. / Holbrook Rd. (42.63206, -84.50667) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 50.9640 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | ICD estimated from Google Maps linework. | 
| Neenah,
                WI Winnebago Co. United States | Breezewood Ln. / Gillingham Rd. / Bergstrom Rd. (44.15643, -88.48816) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.5587 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | Opened October 12, 2012. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Neenah,
                WI Winnebago Co. United States | Winneconne Ave. / S Green Bay Rd. (44.17697, -88.48500) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.1109 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Opened November 2010. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Neenah,
                WI Winnebago Co. United States | Winneconne Ave. / S Lake St. / Fox Point Plaza (44.17743, -88.48352) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.9712 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Opened November 2010. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Neenah,
                WI Winnebago Co. United States | S Green Bay Rd. / Fox Point Plaza (44.17558, -88.48499) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.6896 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| De Pere,
                WI Brown Co. United States | N Ashland Ave. / Glory Rd. / N 8th St. (44.45685, -88.07702) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0668 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Opened August 6, 2010. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Lincoln,
                NE Lancaster Co. United States | N 14th St. / Alvo Rd. (40.88617, -96.70101) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 43.3405 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2013 | ICD estimated from Google Maps linework. | 
| Ledgeview,
                WI Brown Co. United States | Dickinson Rd. (CTH G) / Monroe Rd. (CTH GV) (44.43271, -88.01631) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 46.0532 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Opened October 15, 2009. ICD estimated from Google Maps linework. | 
| Howard,
                WI Brown Co. United States | US 141 / Military Rd. (44.54792, -88.04733) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.8554 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | Opened October 18, 2011. ICD estimated from Google Maps linework. | 
| Bellevue,
                WI Brown Co. United States | US 141 (Main St.) / CTH JJ (Verlin Rd.) (44.47005, -87.96315) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 43.4669 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Opened September 3, 2010. ICD estimated from Google Maps linework. | 
| De Pere,
                WI Brown Co. United States | CTH G (Main Ave.) / US 41 NB Ramps (44.45238, -88.08887) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.9600 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2012 | |
| Milwaukee,
                WI Milwaukee Co. United States | W Winnebago St. / 7th St. / Juneau Ave. (43.04590, -87.92050) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 52.3694 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | Opened November 10, 2010. ICD estimated from Google Maps linework. |