| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Lacey,
                WA Thurston Co. United States  | 
            
                Vashon Dr. NE / Columbia Way NE (47.09724, -122.77000)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 26.0175  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Opened December 2005. ICD estimated from Google Maps linework. | 
| 
                Lacey,
                WA Thurston Co. United States  | 
            
                Britton Pkwy. NE / Gateway Blvd. (47.06858, -122.78590)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 42.3012  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2007 | Opened September 2007. ICD estimated from Google Maps linework. | 
| 
                Fruitland,
                MD Wicomico Co. United States  | 
            
                MD 513 Cedar Ln. / Division St. (38.32094, -75.61021)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 29.0471  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Saint Leonard,
                MD Calvert Co. United States  | 
            
                Calvert Beach Rd. / MD 765 Saint Leonard Rd. (38.47316, -76.50607)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 25.2460  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Annapolis Junction,
                MD Anne Arundel Co. United States  | 
            
                Guilford Rd. / MD 32 WB Ramps (39.12294, -76.78472)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 32.4293  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2002 | Bypass lanes on all legs. ICD estimated from Google Maps linework. | 
| 
                Hampstead,
                MD Carroll Co. United States  | 
            
                MD 88 / MD 833 (39.60434, -76.83682)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 34.0470  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Chaptico,
                MD St. Marys Co. United States  | 
            
                MD 234 / MD 238 (38.36791, -76.78179)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 35.5833  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Clarksville,
                MD Howard Co. United States  | 
            
                Brighton Dam Rd. / Ten Oaks Rd. (39.20491, -76.95455)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 35.1680  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Deale,
                MD Anne Arundel Co. United States  | 
            
                MD 256 / MD 258 (38.79327, -76.54586)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 34.4423  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Bel Air,
                MD Harford Co. United States  | 
            
                Constant Friendship Blvd. / BJ's (39.45546, -76.31870)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 29.5092  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Hughesville,
                MD Charles Co. United States  | 
            
                MD 231 / MD 5 NB Ramps (38.53426, -76.77790)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 54.1863  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Hughesville,
                MD Charles Co. United States  | 
            
                MD 231 / MD 5 SB Ramps (38.53381, -76.77969)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 58.8579  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Odenton,
                MD Anne Arundel Co. United States  | 
            
                MD 175 / MD 677 / Higgins Dr. (39.07831, -76.68481)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways 57.9120  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2004 | Reduced from two lanes to one lane in 2010. 21442 | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Monte Vista Dr. East / W. 22nd St. (40.41451, -105.13180)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 24.5519  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Monte Vista Dr. West / W. 22nd St. (40.41449, -105.13290)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 26.3706  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                New Castle Dr. / Tabernash Dr. (40.42599, -105.12010)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 24.5477  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Scenic Dr. / Foothills Dr. (40.39674, -105.13522)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 24.3840  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Painted splitter islands; unmarked pedestrian crossings along circulatory roadway. | 
| 
                Seattle,
                WA King Co. United States  | 
            
                Bagley Ave. N / N 43rd St. (47.65912, -122.33260)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Sculptor Dr. / Corvus Dr. (40.39647, -105.03130)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 37.2926  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Tacanecy Dr. / Marcy Dr. (40.39230, -105.12140)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 29.1082  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Tiger Ave. / Angora Dr. (40.37680, -105.12750)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 28.2050  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Valley Oak Dr. / Clearwater Dr. (40.44328, -105.02180)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 34.5398  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Date estimated. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Parker,
                CO Douglas Co. United States  | 
            
                Main St. / (unknown) (39.51799, -104.75580)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 19.3480  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Grand Junction,
                CO Mesa Co. United States  | 
            
                Independent Ave. / Sams Club entrance (39.08170, -108.58310)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 33.3754  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Serves commercial development parking lot. ICD estimated from Google Maps linework. | 
| 
                Grand Junction,
                CO Mesa Co. United States  | 
            
                Colorado Ave. / S. 2nd St. (39.06636, -108.56950)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 25.9643  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Grand Junction,
                CO Mesa Co. United States  | 
            
                G Rd. / 25th Rd. (39.10636, -108.58940)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 30.5834  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Grand Junction,
                CO Mesa Co. United States  | 
            
                G Rd. / 24 1 / 2 Rd. (39.10635, -108.59870)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 34.2905  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Seattle,
                WA King Co. United States  | 
            
                Meridian Ave. N / N 43rd St. (47.65914, -122.33380)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                University of Colorado - Colorado Springs (38.89215, -104.80190)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 36.2537  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Seattle,
                WA King Co. United States  | 
            
                Meridian Ave. N / N 42nd St. (47.65797, -122.33380)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Crestone Dr. / Foothills Dr. (40.39717, -105.13149)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 24.3840  | 
            
                Other (At-Grade) Single-Lane  |   
            1997 | Painted splitter islands; unmarked pedestrian crossings along circulatory roadway. | 
| 
                Greeley,
                CO Weld Co. United States  | 
            
                W. 29th St. / 67th Ave. (40.38995, -104.78710)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 48.2121  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Erie,
                CO Weld Co. United States  | 
            
                CW Bixler Blvd. / Washburn St. (40.06230, -105.05650)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 20.1096  | 
            
                Other (At-Grade) Unknown  |   
            ICD estimated from Google Maps linework. | |
| 
                Erie,
                CO Weld Co. United States  | 
            
                Lehigh Cir. / Bonanza Dr. (40.03702, -105.04080)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 29.2612  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Erie,
                CO Weld Co. United States  | 
            
                Vista Pkwy. / Mountain View Blvd. (40.00784, -105.03110)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 27.4441  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Northbound right turn bypass lane. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Seattle,
                WA King Co. United States  | 
            
                Burke Ave. N / N 43rd St. (47.65915, -122.33500)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Seattle,
                WA King Co. United States  | 
            
                Burke Ave. N / N 44th St. (47.66031, -122.33500)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 16.8926  | 
            
                Other (At-Grade) Unknown  |   
            ICD estimated from Google Maps linework. | |
| 
                Seattle,
                WA King Co. United States  | 
            
                Meridian Ave. N / N 44th St. (47.66030, -122.33370)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 20.9147  | 
            
                Other (At-Grade) Unknown  |   
            ICD estimated from Google Maps linework. | |
| 
                Broomfield,
                CO Adams Co. United States  | 
            
                Zang St. / (parking lot #1) (39.92782, -105.13320)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 36.6350  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Serves commercial development. ICD estimated from Google Maps linework. | 
| 
                Broomfield,
                CO Adams Co. United States  | 
            
                Zang St. / (parking lot #2) (39.92641, -105.13170)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 35.7199  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Serves commercial development. ICD estimated from Google Maps linework. | 
| 
                Englewood,
                CO Arapahoe Co. United States  | 
            
                Englewood Pkwy. / S. Cherokee St. (39.65491, -104.99110)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 41.3782  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Englewood,
                CO Arapahoe Co. United States  | 
            
                W. Sheri Ln. / Belleview Park (39.62281, -105.00620)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 42.3174  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Seattle,
                WA King Co. United States  | 
            
                Bagley Ave. N / N 44th St. (47.66029, -122.33260)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Applewood,
                CO Jefferson Co. United States  | 
            
                W. 32nd Ave. / Eldridge St. (39.76180, -105.15660)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 29.3790  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | North leg serves golf course parking lot. ICD estimated from Google Maps linework. | 
| 
                Edmonton,
                AB Edmonton Capital Region Canada  | 
            
                87 Ave. NW / 142 St. NW (53.51936, -113.56570)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 73.1392  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Camrose,
                AB Central Alberta Canada  | 
            
                73 St. / 45 Ave. (53.01372, -112.86572)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | No splitter islands. | 
| 
                Edmonton,
                AB Edmonton Capital Region Canada  | 
            
                145 St. NW / 146 St. NW / 96 Ave. NW (53.53242, -113.57270)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 26.9751  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Calgary,
                AB Calgary Region Canada  | 
            
                Springbank Blvd. / Springbank Dr. (51.01912, -114.20230)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Year Completed estimated (2002-2005). | 
| 
                North Saanich,
                BC Capital Regional District Canada  | 
            
                Willington Rd. / E. Saanich Rd. (48.63520, -123.42030)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.9387  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | http://www.icbc.com/road_safety/pdf/vancouver%20island/north%20saanich.pdf ICD estimated from Google Maps linework. | 
| 
                North Cowichan,
                BC Cowichan Valley Regional District Canada  | 
            
                Lakes Rd. / Beverley Rd. (48.78476, -123.68480)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.9034  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                North Cowichan,
                BC Cowichan Valley Regional District Canada  | 
            
                Chemainus Rd. / Henry Rd. (48.91472, -123.71340)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.8258  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                North Cowichan,
                BC Cowichan Valley Regional District Canada  | 
            
                Tzouhalem Rd. / Maple Bay Rd. (48.78071, -123.67160)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.1188  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                North Cowichan,
                BC Cowichan Valley Regional District Canada  | 
            
                Sherman Rd. / Cowichan Lake Rd. (48.79214, -123.73620)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.4726  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Delta,
                BC Metro Vancouver Canada  | 
            
                82nd Ave. / 116th St. (49.15220, -122.90150)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 21.0911  | 
            
                Other (At-Grade) Unknown  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Kelowna,
                BC Central Okanogan Canada  | 
            
                Burtch Rd. / Byrns Rd. (49.87102, -119.46580)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.1717  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Kelowna,
                BC Central Okanogan Canada  | 
            
                Swamp Rd. / Casorso Rd. (49.84534, -119.46640)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 23.1050  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Kelowna,
                BC Central Okanogan Canada  | 
            
                Benvoulin Rd. / Casorso Rd. (49.84882, -119.46910)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.1952  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Surrey,
                BC Greater Vancouver Regional District Canada  | 
            
                King George Hwy / 14th St. (Ave.?) (49.02746, -122.77110)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.7585  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | http://www.icbc.com/road_safety/road_improve_pu/surrey.asp ICD estimated from Google Maps linework. | 
| 
                Topeka,
                KS Shawnee Co. United States  | 
            
                SW 21st St. / Urish Rd. (39.02899, -95.78088)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.1005  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Completed November 2008. ICD estimated from Google Maps linework. | 
| 
                Allen,
                TX Collin Co. United States  | 
            
                N Allen Dr. / St. Mary Dr. (33.10674, -96.67113)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | . | 
| 
                Denton,
                TX Denton Co. United States  | 
            
                Wheeler Ridge Dr. / Breton Dr. (33.15462, -97.10275)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 54.8630  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | . | 
| 
                Rowlett,
                TX Dallas Co. United States  | 
            
                Main St. / Coyle St. / Skyline Dr. (32.90316, -96.56289)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | . | 
| 
                Great Neck,
                NY Nassau Co. United States  | 
            
                Barstow Rd. / South Station Pl. (40.78735, -73.72462)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 22.6068  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | High pedestrian activitiy associated with commuter rail station below the roundabout. ICD estimated from Google Maps linework. | 
| 
                Pemberton,
                BC Pemberton Valley Canada  | 
            
                Portage Rd. / Aspen Blvd. (50.32201, -122.80508)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield At-grade Rail Crossing Signal/Beacon  | 
            
                3 Approaches 0 Driveways 35.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Vancouver,
                BC Greater Vancouver Regional District Canada  | 
            
                16th Ave. / Westbrook Mall (49.25575, -123.23630)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.0940  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | On campus of University of British Columbia. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Casa Grande,
                AZ Pinal Co. United States  | 
            
                N. Pottebaum Ave. / E. Anna Dr. (32.88727, -111.72700)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 24.0702  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Casa Grande,
                AZ Pinal Co. United States  | 
            
                N. Pottebaum Ave. / E. Manor Dr. (32.88863, -111.72680)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 20.0582  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                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. | 
| 
                Rio Puerco,
                NM Bernalillo Co. United States  | 
            
                Central Ave. / I-40 EB Ramps (35.03048, -106.94750)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 68.4580  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2008 | Owned by New Mexico DOT. Previously controlled by stop control ICD estimated from Google Maps linework. | 
| 
                Forest Hill,
                MD Harford Co. United States  | 
            
                MD 23 / Commerce Rd. (39.57390, -76.37067)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | On August 9, 2008 a new roundabout opened on Maryland Route 23 and an extended Commerce Drive in Forest Hill (Harford County), Maryland. It was built by a private developer to improve access to the Forest Hill Industrial Park by using Route 23, a limited access highway, rather than the current access road to Commerce Drive, Jarrettsville Road, which is primarily a residential route. | 
| 
                Cabazon,
                CA Riverside Co. United States  | 
            
                Apache Trl. / I-10 EB Ramps (33.92071, -116.80680)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)  | 
            
                3 Approaches 0 Driveways 54.5087  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2008 | Opened July 11, 2008. http://www.pe.com/localnews/rivcounty/stories/PE_News_Local_S_circle21.46d763e.html. Railroad in close proximity. ICD estimated from Google Maps linework. | 
| 
                Cabazon,
                CA Riverside Co. United States  | 
            
                Apache Trl. / Thunder Rd. / Seminole Dr. / I-10 WB Ramps (33.92192, -116.80610)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 79.2480  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)  |   
            2008 | Opened July 11, 2008. http://www.pe.com/localnews/rivcounty/stories/PE_News_Local_S_circle21.46d763e.html. | 
| 
                Pearl City,
                HI Oahu Co. United States  | 
            
                Kuahaka St. / Kalauipo St. (21.41052, -157.96720)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.4619  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Pearl City,
                HI Oahu Co. United States  | 
            
                Kuahaka St. / Kaweloka St. (21.40495, -157.97320)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 17.7912  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Kailua,
                HI Oahu Co. United States  | 
            
                Ulupuni St. / Uluhala St. (21.37803, -157.75590)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 15.5702  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Pukalani,
                HI Maui Co. United States  | 
            
                Kupaoa St. / Ohiaku St. (20.82094, -156.33001)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.4320  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | |
| 
                Lihue,
                HI Kauai Co. United States  | 
            
                Pikake St. / Kauila St. / Makaa St. (21.96538, -159.37974)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | |
| 
                Sacramento,
                CA Sacramento Co. United States  | 
            
                Rush River Dr. / Windbridge Dr. (38.48465, -121.53360)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 32.7212  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Sacramento,
                CA Sacramento Co. United States  | 
            
                Silva Ranch Way / (unknown) (38.47686, -121.52680)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 61.7094  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Sacramento,
                CA Sacramento Co. United States  | 
            
                Coleman Ranch Way / (unknown) (38.47739, -121.52340)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 139.3127  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                West Fargo,
                ND Cass Co. United States  | 
            
                CR 17 / 52nd Ave S. (46.80409, -96.90268)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 46.5982  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Neenah,
                WI Winnebago Co. United States  | 
            
                Co. Hwy. PP / Jacobsen Rd. / American Dr. (44.21429, -88.47825)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.8167  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                San Diego,
                CA San Diego Co. United States  | 
            
                Sea Ridge Dr. / Chelsea St. (32.80875, -117.26520)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 21.0801  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Marginal roundabout. No splitter islands. ICD estimated from Google Maps linework. | 
| 
                West Haven,
                CT New Haven Co. United States  | 
            
                Rte 162 (Jones Hill Rd.) / SR 705 (Ocean Avenue) (41.23624, -72.98605)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 27.8421  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Opened fall 2007. Connecticut DOT project. Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| 
                Clackamas,
                OR Clackamas Co. United States  | 
            
                SE 172nd Ave. / SE Creekwood Rd. (45.41880, -122.48550)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 43.5928  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Creekwood Rd. is new roadway; SE 172nd Avenue is existing. ICD estimated from Google Maps linework. | 
| 
                Billings,
                MT Yellowstone Co. United States  | 
            
                King Ave. / Olympic Blvd. (45.75507, -108.61360)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.1658  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Near Kohl's retail shopping center. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Meridian,
                ID Ada Co. United States  | 
            
                Pine St. / Webb Rd. (43.61220, -116.36840)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.9126  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Burnside,
                AZ Apache Co. United States  | 
            
                US 191 / AZ 264 (35.75473, -109.62710)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.8640  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Right-turn bypass lane. Elliptical shaped. ICE = 180 ft x 160 ft. | 
| 
                Flagstaff,
                AZ Coconino Co. United States  | 
            
                Dodge Ave. / Railhead Ave. (35.22522, -111.57000)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 38.0498  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | By developer. ICD estimated from Google Maps linework. | 
| 
                Howard,
                WI Brown Co. United States  | 
            
                Riverdale Dr. (CTH J) / CTH RK (44.54785, -88.10120)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.4509  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | ICD estimated from Google Maps linework. | 
| 
                Flagstaff,
                AZ Coconino Co. United States  | 
            
                Pine Cliff Dr. / Gemini Dr. (35.20808, -111.63541)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | By developer. | 
| 
                Flagstaff,
                AZ Coconino Co. United States  | 
            
                S Woody Mountain Rd. / W Presidio Dr. (35.18308, -111.69266)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 33.5280  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Year Completed estimated (2006-2007). | 
| 
                Billings,
                MT Yellowstone Co. United States  | 
            
                King Ave. / St. Vincent Way (45.75520, -108.62260)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.9990  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| 
                Bozeman,
                MT Gallatin Co. United States  | 
            
                Baxter Ln. / Ferguson Ave. (45.70024, -111.09310)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.0040  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | |
| 
                Bozeman,
                MT Gallatin Co. United States  | 
            
                Laurel Pkwy. / Annie St. (45.68916, -111.11383)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | |
| 
                Bozeman,
                MT Gallatin Co. United States  | 
            
                Laurel Pkwy. / Glenellen Dr. / Sherwood Way (45.69050, -111.11401)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | |
| 
                Bozeman,
                MT Gallatin Co. United States  | 
            
                Cascade St. / Kimball Ave. (45.68162, -111.09510)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 19.1915  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Bozeman,
                MT Gallatin Co. United States  | 
            
                Cascade St. / Clifden Dr. (45.68115, -111.09950)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 19.1916  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Kalispell,
                MT Flathead Co. United States  | 
            
                (shopping center entrance) / (parking lot) (48.23521, -114.33170)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                0 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | |
| 
                Bloomington,
                IN Monroe Co. United States  | 
            
                W Tapp Rd. / S Adams St. (39.13650, -86.55431)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.4967  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | No truck apron and wide circulatory roadway. ICD estimated from Google Maps linework. |