| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                (unincorporated),
                OR Clackamas Co. United States  | 
            
                SW Stafford Rd. / SW Borland Rd. (45.37472, -122.70240)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 53.6945  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Urbana,
                MD Frederick Co. United States  | 
            
                Bennett Creek Ave. / Bennett Creek Blvd. (39.32256, -77.34935)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.8808  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Chattanooga,
                TN Hamilton Co. United States  | 
            
                US 41 - US 76 - SR 8 (Westside Dr.) / 29th St. (35.00944, -85.27164)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 21.5209  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Completed September 26, 2001. The intersection is located at the western portal of the Bachman Tunnel, a two-lane tunnel through Missionary Ridge, connecting Chattanooga with the City of East Ridge, Tennessee. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Williston,
                VT Chittenden Co. United States  | 
            
                Maple Tree Pl. / Sycamore Dr. (44.44349, -73.10966)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 22.1697  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Completed November 2001. Major shopping area, road part of the planned ring road around Taft Corner. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Bend,
                OR Deschutes Co. United States  | 
            
                SW Industrial Way / SW Wall St. (44.05050, -121.31750)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.9023  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Wall St. is one-way southbound into the roundabout. Roundabout is raindrop-shaped to prevent eastbound to northbound movements. Dogbone/peanut shape. ICD estimated from Google Maps linework. | 
| 
                Bend,
                OR Deschutes Co. United States  | 
            
                SW Industrial Way / SW Bond St. (44.05040, -121.31630)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 32.6191  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Bond St. is one-way northbound out of the roundabout. Roundabout has raindrop-shaped central island, as no westbound to southbound movements are needed. Dogbone/peanut shape. ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Beech Ave. / 1st St. (38.79048, -104.84660)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 42.8219  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Lake Ave. / Lake Cir. (38.79144, -104.84880)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.2724  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | Year Completed estimated (before 1999). ICD estimated from Google Maps linework. | 
| 
                The Villages,
                FL Sumter Co. United States  | 
            
                Buena Vista Blvd. / Rainey Tr. (28.91345, -81.99847)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 53.3183  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Rigden Pkwy. / Custer Dr. (40.54863, -105.02960)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.9307  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Date estimated. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Stanton Creek Dr. / St. Thomas Dr. (40.49066, -105.05590)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 24.5241  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Stanton Creek Dr. / Tortola Way (40.48999, -105.05430)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 25.4327  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Cuerto Ln. / (unknown) (40.57718, -105.13330)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 26.3067  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Tierra Ln. / Saddle Ridge Condominiums (40.57545, -105.13140)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 28.1217  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Oval Dr. (Howes St. / Plum St. / Isotope Dr. / East Dr. / Music Dr.) (40.57639, -105.08070)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                6 Approaches 0 Driveways 19.0499  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                College Ave. / Laporte Ave. (40.58899, -105.07720)  | 
            
                Other Removed  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 26.3021  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Functional Class: Arterial ICD estimated from Google Maps linework. | |
| 
                Urbana,
                MD Frederick Co. United States  | 
            
                Bush Creek Dr. / Major Smith Ln. (39.33507, -77.35263)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.6364  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Encinitas,
                CA San Diego Co. United States  | 
            
                Santa Fe Dr. / Devonshire Dr. / Rubenstein Ave. (33.03622, -117.28590)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 22.0272  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Site of solo fatal crash in 2007, DUI .29%. http://www.nctimes.com/articles/2007/10/09/news/coastal/2_03_3710_8_07.txt. 11861-05. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Federal Way,
                WA King Co. United States  | 
            
                S 323rd St. / 32nd Ave. S (47.31214, -122.29250)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 44.5368  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Opened April 2000. ICD estimated from Google Maps linework. | 
| 
                Modesto,
                CA Stanislaus Co. United States  | 
            
                Sylvan Ave. / Millbrook Ave. (37.68898, -120.93520)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.3658  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Chico,
                CA Butte Co. United States  | 
            
                W. 8th Ave. / Magnolia Ave. (39.74451, -121.85270)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.7130  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Modesto,
                CA Stanislaus Co. United States  | 
            
                Sharon Ave. / Maid Mariane Rd. (37.67451, -120.93050)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 20.7967  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Opened July 27, 2006. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                West Bend,
                WI Washington Co. United States  | 
            
                Paradise Dr. / CTH G (43.39770, -88.16100)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.5053  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Completed September 18, 2003 Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Bridle Oaks Dr. / Woodmont Dr. (39.01377, -104.79950)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 64.0311  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Urbana,
                MD Frederick Co. United States  | 
            
                Sugarloaf Pkwy. / Denison St. (39.33490, -77.34180)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 36.9503  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Pleasanton,
                CA Alameda Co. United States  | 
            
                Watermill Rd. / Watermill Rd. (37.75548, -121.90970)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 0 Driveways 31.1610  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                La Quinta,
                CA Riverside Co. United States  | 
            
                Jefferson St. / Avenue 52 (33.67096, -116.26870)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.6860  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2001 | RT bypass lanes on all legs. ICD estimated from Google Maps linework. | 
| 
                San Francisco,
                CA San Francisco Co. United States  | 
            
                Waller St. / Steiner St. (37.77097, -122.43190)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Stop None  | 
            
                4 Approaches 0 Driveways 66.0853  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Preliminary layout for neighborhodd comment Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Sioux Falls,
                SD Minnehaha Co. United States  | 
            
                69th St. / Southeastern Ave. (43.48928, -96.68768)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.7250  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2011 | ICD estimated from Google Maps linework. | 
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                Overland Dr. / Congressional Dr. (38.97474, -95.31127)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 27.8550  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Both roads newly constructed in this area. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Oconomowoc,
                WI Waukesha Co. United States  | 
            
                Wisconsin Ave. / Lake Dr. (43.11224, -88.43968)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 33.1314  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Opened October 15, 2002. Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Sybilla Ln. / (parking lot) (39.01263, -104.81160)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 25.9841  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Stout Dr. / (parking lot) (39.01775, -104.81250)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 20.4146  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Chico,
                CA Butte Co. United States  | 
            
                W. 8th Ave. / Greenwich Dr. (39.73875, -121.86640)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.7968  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Pleasanton,
                CA Alameda Co. United States  | 
            
                Watermill Rd. / Albion Rd. (37.76511, -121.90780)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 34.9336  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Pleasanton,
                CA Alameda Co. United States  | 
            
                Watermill Rd. / Harcourt Way (37.75982, -121.90820)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 34.9361  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Rochester Hills,
                MI Oakland Co. United States  | 
            
                Tienken Rd. / Sheldon Rd. (42.69626, -83.12320)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.6224  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Near Hart Middle School and Stoney Creek High School. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Sterling Heights,
                MI Macomb Co. United States  | 
            
                Utica Rd. / Dodge Park Rd. (42.59179, -83.01110)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 43.9629  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Abita Springs,
                LA St. Tammany Par. United States  | 
            
                LA 59 / LA 36 (30.47826, -90.03768)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.8204  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | https://www.nola.com/news/traffic/article_6d2b5475-b7f9-5429-a8f7-2127046c5508.html ICD estimated from Google Maps linework. | 
| 
                Kennewick,
                WA Benton Co. United States  | 
            
                19th Ave. / Union St. (46.19220, -119.18040)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.2832  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | 1/3 mile from school, primary bus and traffic route for the school, on school walking route, has adult crossing guards. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Kennewick,
                WA Benton Co. United States  | 
            
                4th Ave. / Union St. (46.20640, -119.18010)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.4496  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Completed October 2003. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Kennewick,
                WA Benton Co. United States  | 
            
                Kennewick Ave. / Union St. (46.20983, -119.18000)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.1420  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Completed October 2003. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Kennewick,
                WA Benton Co. United States  | 
            
                Young St. / Quinault Ave. (46.22004, -119.21950)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 39.6646  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Completed November 2003. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Silverdale,
                WA Kitsap Co. United States  | 
            
                NW Anderson Hill Rd. / Frontier Pl. NW (47.65368, -122.70350)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 21.7218  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Opened September 2003. ICD estimated from Google Maps linework. | 
| 
                Kennewick,
                WA Benton Co. United States  | 
            
                Creekstone Dr. / Irving St. (46.18894, -119.19640)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.0725  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | New roadway (Creekstone) connecting into existing subdivision stub-street (Irving) on south side and new subdivision on north side Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Lacey,
                WA Thurston Co. United States  | 
            
                I-5 NB Off-Ramp / Galaxy Dr. / Quinault Dr. (47.06127, -122.76890)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.5438  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Completed November 1, 2000. ICD estimated from Google Maps linework. | 
| 
                Lacey,
                WA Thurston Co. United States  | 
            
                Meridian Rd. / Orion Dr. (47.06890, -122.74140)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.1661  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Opened October 2002. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Lacey,
                WA Thurston Co. United States  | 
            
                Marvin Rd. / Hawks Prairie Rd. (47.08312, -122.78070)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.6509  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Constructed September 14, 2002. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Lacey,
                WA Thurston Co. United States  | 
            
                College St. / 45th Ave. (47.00710, -122.82310)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.0923  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | Completed November 6, 2002. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Lacey,
                WA Thurston Co. United States  | 
            
                SR 510 (Marvin Rd.) / Pacific Ave. (47.03941, -122.76480)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.5572  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Completed July 28, 2003. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Lacey,
                WA Thurston Co. United States  | 
            
                Pacific Ave. / Golf Club Rd. / Lacey Blvd. (47.03786, -122.82860)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                6 Approaches 0 Driveways 61.8604  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Completed July 22, 2003. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Lacey,
                WA Thurston Co. United States  | 
            
                Pacific Ave. / Lacey Blvd. / Lacey St. / Homann Dr. (47.03677, -122.80630)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 53.7220  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Completed September 16, 2003. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Davis,
                CA Yolo Co. United States  | 
            
                Shasta Dr. / Olympic Dr. (38.55540, -121.77620)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 24.2833  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Asheville,
                NC Buncombe Co. United States  | 
            
                WT Weaver Blvd / University Heights (35.61435, -82.56285)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 27.1862  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Completed August 2002. Entrance to University of North Carolina at Asheville. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Coralville,
                IA Johnson Co. United States  | 
            
                1st Ave. / Holiday Rd. (41.69276, -91.56655)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 33.8896  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | Opened September 1, 2002. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                The Villages,
                FL Sumter Co. United States  | 
            
                Buena Vista Blvd. / Lake Miona Dr. (28.90940, -81.99397)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 55.4114  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Sherwood,
                OR Washington Co. United States  | 
            
                SW Meinecke Pkwy / SW Dewey Dr. (45.35897, -122.85650)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.8900  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Sherwood,
                OR Washington Co. United States  | 
            
                Meinecke Pkwy. / Cedar Brook Way (45.36180, -122.85870)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.0842  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Jackson,
                MS Hinds Co. United States  | 
            
                John R. Lynch St. / Metro Pkwy. / Eastview St. (32.29798, -90.21458)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 45.4296  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2004 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Jackson,
                MS Hinds Co. United States  | 
            
                Metro Pkwy. / Prentiss St. (32.30098, -90.21120)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 51.4850  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2004 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Jackson,
                MS Hinds Co. United States  | 
            
                Metro Pkwy. / Dalton St. (32.30095, -90.20563)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 38.3614  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2004 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Jackson,
                MS Hinds Co. United States  | 
            
                John R. Lynch St. / Prentiss St. (32.29755, -90.21119)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 34.3246  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Starkville,
                MS Oktibbeha Co. United States  | 
            
                Blackjack Rd. / Oktoc Rd. (33.44708, -88.79340)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 31.8893  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | http://www.msstate.edu/web/media/detail.php?id=1874 Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Kennewick,
                WA Benton Co. United States  | 
            
                27th Ave. / Vancouver St. (46.18394, -119.14850)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.4604  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Completed November 15, 2004. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Denali National Park,
                AK Denali National Park United States  | 
            
                Denali National Park (63.73358, -148.91550)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.3554  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Date estimated. ICD estimated from Google Maps linework. | 
| 
                Kennewick,
                WA Benton Co. United States  | 
            
                Grandridge Blvd. / Center Pkwy. (46.22032, -119.23220)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.5746  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Completed August 3, 2006. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Kennewick,
                WA Benton Co. United States  | 
            
                Gage Blvd. / Center Pkwy. (46.22710, -119.23120)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.6169  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Kaukauna,
                WI Outagamie Co. United States  | 
            
                CTH J / US 41 NB Ramps (44.30463, -88.24939)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.6070  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | Opened October 11, 2010. ICD estimated from Google Maps linework. | 
| 
                St. Simons,
                GA Glynn Co. United States  | 
            
                Demere Rd. / Frederica Rd. (31.15957, -81.38859)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.9249  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Albany,
                OR Linn Co. United States  | 
            
                N. Albany Rd. / Gibson Hill Rd. (44.65688, -123.11730)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.7877  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Completed August 2005. Four leg added to north to extend North Albany Road. ICD estimated from Google Maps linework. | 
| 
                Kennewick,
                WA Benton Co. United States  | 
            
                18th Ave. / Irving St. (46.19221, -119.19620)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.1649  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | New roads/intersection in subdivision - completed February 2006. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                28th St. / O'Connell Rd. (38.93372, -95.20499)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.7292  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Built as part of Widening of OConnell Road. Orig. T intersection, east leg currently unused. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Highland,
                IL Madison Co. United States  | 
            
                US 40 / IL 160 / Poplar St. (38.75010, -89.67197)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.9832  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Roundabout operating nicely with no accidents reported during first six months of operation. Completed October 2004. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Modesto,
                CA Stanislaus Co. United States  | 
            
                Bowen Ave. / Phelps Ave. (37.67470, -121.00600)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 22.6873  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| 
                Modesto,
                CA Stanislaus Co. United States  | 
            
                Lifescapes Dr. / Grecian Ave. (37.69840, -120.98540)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 24.5700  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Modesto,
                CA Stanislaus Co. United States  | 
            
                Sylvan Ave. / Roselle Ave. (37.68896, -120.93980)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 48.2012  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Denver,
                CO Denver Co. United States  | 
            
                E. Lowry Blvd. / E Fairmount Dr. / Rampart Way (39.71718, -104.89580)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 49.6091  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1998 | ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Chapel Hills Dr. / Graycroft (38.97358, -104.78310)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.7125  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                (unincorporated),
                OR Washington Co. United States  | 
            
                NW Verboort Rd. / Martin Rd. (45.55150, -123.07350)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.0173  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Reverse curves on approaches. Designed as multilane roundabout, striped-out inner circulatory and entry/exit lanes. ICD estimated from Google Maps linework. | 
| 
                Crozet,
                VA Ablemarle Co. United States  | 
            
                Old Trail Dr. / West End Dr. (38.06612, -78.71195)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.0297  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Kiel,
                WI Manitowoc Co. United States  | 
            
                STH 67-STH 32 / STH 57 (43.90986, -88.02251)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 49.0446  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Opened November 13, 2009. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Sacramento,
                CA Sacramento Co. United States  | 
            
                San Juan Rd. / Azevedo Dr. (38.62740, -121.50840)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.1250  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Constructed using asphalt curbs without reconstructing original curb/gutter/sidewalk. Tactile guide strips in crosswalks. Previously controlled by two-way stop ICD estimated from Google Maps linework. | 
| 
                Coeur dAlene,
                ID Kootenai Co. United States  | 
            
                4th St. / Margaret Ave. (47.71537, -116.77880)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.1602  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Near high school. ICD estimated from Google Maps linework. | 
| 
                Clearwater,
                FL Pinellas Co. United States  | 
            
                Palmetto St. / Casler Ave. (27.97541, -82.76752)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 21.0954  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | John F. Kennedy Middle School on NE corner. Crossing guard operation across N and E legs. ICD estimated from Google Maps linework. | 
| 
                De Pere,
                WI Brown Co. United States  | 
            
                Dickinson Rd. (CTH G) / East River Dr. (44.43684, -88.02830)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 24.7306  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Roundabout is slightly east of the Chicago/Swan roundabout and is located in a residential area. Roundabout is near East De Pere Middle School and De Pere High School. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework. | 
| 
                Rexburg,
                ID Madison Co. United States  | 
            
                2nd W. / 4th S. (43.81770, -111.78950)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.1941  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Honolulu,
                HI Oahu Co. United States  | 
            
                Likini St. / Ala Ilima St. / Ala Lilikoi St. (21.35054, -157.91460)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.4720  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Roundabout is 500 ft from Salt Lake Elementary School. http://starbulletin.com/2000/02/28/news/story9.html ICD estimated from Google Maps linework. | 
| 
                Charlotte,
                NC Mecklenburg Co. United States  | 
            
                E. 9th St. / N. Davidson St. (35.22668, -80.83273)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.9516  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Near elementary school. ICD estimated from Google Maps linework. | 
| 
                Avon,
                CO Eagle Co. United States  | 
            
                William J Post Blvd. / I-70 WB Ramps (39.62759, -106.49460)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.6349  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Avon,
                CO Eagle Co. United States  | 
            
                William J Post Blvd. / I-70 EB Ramps (39.62714, -106.49610)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.7153  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Avon,
                CO Eagle Co. United States  | 
            
                William J Post Blvd. / Fawcett Rd. (39.62907, -106.50190)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.7944  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Serves Home Depot and Walmart retail center. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Avon,
                CO Eagle Co. United States  | 
            
                William J Post Blvd. / US 6 (39.62460, -106.50490)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.6366  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Fatal crash February 22, 2007. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Avon,
                CO Eagle Co. United States  | 
            
                William J Post Blvd. / Yoder Ave. (39.62753, -106.50320)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.9554  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                De Pere,
                WI Brown Co. United States  | 
            
                Chicago St. (CTH G) / Libal St. (44.44026, -88.03812)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.8455  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Roundabout surrounded by homes, businesses, East De Pere Middle School, and De Pere High School. Roundabout serves as main entrance to the high school. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework. | 
| 
                De Pere,
                WI Brown Co. United States  | 
            
                Dickinson Rd. (CTH G) / Swan Rd. (44.43908, -88.03475)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.0241  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Roundabout is slightly east of the Chicago/Libal roundabout and is surrounded by businesses and East De Pere Middle School. Roundabout serves as the entrance to a medical clinic. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework. | 
| 
                Green Bay,
                WI Brown Co. United States  | 
            
                Airport Dr. (STH 172) / Airport Entrance (44.49569, -88.12467)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.1882  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2011 | Opened October 2011. ICD estimated from Google Maps linework. | 
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                W. Harvard Rd. / Grove Dr. / Mulberry Dr. (38.96701, -95.29801)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 15.7862  | 
            
                Other (At-Grade) Unknown  |   
            2005 | Built as part of Harvard Road traffic calming plan. A temporary traffic circle was in place for some time prior to permanent construction. Previously controlled by two-way stop Functional Class: Collector 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. | 
| 
                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. | 
| 
                Bloomington,
                IN Monroe Co. United States  | 
            
                Moores Pike / Winfield Rd. (39.15027, -86.50103)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.3430  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Completed August 2005. http://bloomington.in.gov/egov/docs/1124562196872.htm ICD estimated from Google Maps linework. |