| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                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. | 
| 
                Jackson,
                MS Hinds Co. United States  | 
            
                Central St. / Buena Vista Ave. (32.30306, -90.21358)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Functional Class: Local | 
| 
                (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. | 
| 
                Billings,
                MT Yellowstone Co. United States  | 
            
                Ironwood Dr. / Woodcreek Dr. (45.81641, -108.67716)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | |
| 
                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. / 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. | 
| 
                Anchorage,
                AK Anchorage United States  | 
            
                Old Seward Hwy / Huffman Rd.. (61.10864, -149.86350)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 39.8158  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Estimated completion 2008. ICD estimated from Google Maps linework. | 
| 
                Sioux Falls,
                SD Minnehaha Co. United States  | 
            
                Career Ave. / W Nobel St. (43.59985, -96.78073)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Right-turn-only lane on north leg; added lane right-turn bypass lane on east leg. ICD estimated from Google Earth. | 
| 
                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. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Lake Ave. / Berthie Cir. (38.79348, -104.83950)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.7557  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | Year Completed unknown (before 1999). ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Lake Ave. / Old Broadmoor Rd. (38.79479, -104.83360)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 22.3405  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | Year Completed unknown (before 1999). ICD estimated from Google Maps linework. | 
| 
                Denver,
                CO Denver Co. United States  | 
            
                N. Uinta Way / E. 6th Ave. Pkwy. (39.72570, -104.89200)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 51.4401  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | ICD estimated from Google Maps linework. | 
| 
                The Villages,
                FL Marion Co. United States  | 
            
                Buena Vista Blvd. / Mulberry Ln. (28.98078, -82.01563)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 70.0001  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                The Villages,
                FL Marion Co. United States  | 
            
                Buena Vista Blvd. / Legacy Ln. (28.97006, -82.01506)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.3341  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                The Villages,
                FL Marion Co. United States  | 
            
                Buena Vista Blvd. / Belle Meade Cir. (28.96300, -82.00399)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 55.3827  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                The Villages,
                FL Sumter Co. United States  | 
            
                Buena Vista Blvd. / Glenview Rd. / El Camino Real (28.95271, -82.00076)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 71.0641  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1998 | ICD estimated from Google Maps linework. | 
| 
                The Villages,
                FL Sumter Co. United States  | 
            
                Buena Vista Blvd. / Tall Trees Ln. (28.92198, -82.00272)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 59.5861  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                The Villages,
                FL Sumter Co. United States  | 
            
                Buena Vista Blvd. / Belvedere Blvd. (28.91778, -81.99953)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 53.3161  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                The Villages,
                FL Sumter Co. United States  | 
            
                Morse Blvd. / El Camino Real / Paige Pl. (28.94803, -81.95540)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 68.9771  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1998 | ICD estimated from Google Maps linework. | 
| 
                Killingworth,
                CT Middledex Co. United States  | 
            
                Rte. 80 / Rte. 81 (41.35801, -72.56517)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            1997 | First rotary modification in Connecticut. 21442 | 
| 
                New Castle,
                CO Garfield Co. United States  | 
            
                Castle Valley Blvd. / Pyramid St. (39.57959, -107.52880)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 33.1386  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | ICD estimated from Google Maps linework. | 
| 
                New Castle,
                CO Garfield Co. United States  | 
            
                Castle Valley Blvd. / (TBD) (39.57517, -107.52190)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 0 Driveways 31.2996  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Facilitates U-turns. ICD estimated from Google Maps linework. | 
| 
                Lakewood,
                CO Jefferson Co. United States  | 
            
                S. Allison Pkwy. / W. Virginia Ave. (39.70705, -105.08390)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 1 Driveways 33.9964  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Oskaloosa,
                IA Mahaska Co. United States  | 
            
                Hwy 432 / Old Hwy 163 / Pella Ave. / Orchard Ave. (41.30376, -92.66716)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.8882  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Completed April 2004. Site has sunken hole in central island with tunnels for bike path that passes under circulatory roadway. Experienced two single-vehicle crashes into sunken central island (alcohol-related). ICD estimated from Google Maps linework. | 
| 
                Newton,
                KS Harvey Co. United States  | 
            
                First St. / I-135 Ramps (38.04250, -97.32240)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 65.8419  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2003 | Single-point interchange. Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W. 141st St. / Bluejacket St. (38.87130, -94.71130)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.6150  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Duxbury,
                MA Plymouth Co. United States  | 
            
                Lincoln St. / Congress St. (42.05532, -70.72294)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 21.2829  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Hanover,
                MD Anne Arundel Co. United States  | 
            
                Arundel Mills Blvd. / MD 295 NB Ramps (39.15573, -76.74459)  | 
            
                Roundabout Removed  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 26.8575  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2002 | ICD estimated from Google Maps linework. Replaced with DDI | 
| 
                Hanover,
                MD Anne Arundel Co. United States  | 
            
                Arundel Mills Blvd. / MD 295 SB Ramps (39.15677, -76.74617)  | 
            
                Roundabout Removed  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 66.6796  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2002 | ICD estimated from Google Maps linework. Replaced with DDI. | 
| 
                Jessup,
                MD Howard Co. United States  | 
            
                Canine Rd. / MD 32 EB Ramps (39.10101, -76.76953)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.0005  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Mount Aetna,
                MD Washington Co. United States  | 
            
                MD 66 (Mapleville Rd.) / Mount Aetna Rd. (39.60243, -77.62425)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.1703  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Scaggsville,
                MD Howard Co. United States  | 
            
                Hopkins-Gorman Rd. / US 29 NB Ramps (39.15846, -76.88660)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 59.2695  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Medford,
                MN Steele Co. United States  | 
            
                CR 12 / I-35 SB Ramps (44.17364, -93.26057)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                6 Approaches 0 Driveways 67.6722  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Maplewood,
                MN Ramsey Co. United States  | 
            
                Frost Ave. / English St. (44.99927, -93.04572)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.5374  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Completed October 2002. Twenty-year ADT is 15,000. ICD estimated from Google Maps linework. | 
| 
                Stillwater,
                MN Washington Co. United States  | 
            
                Rutherford Rd. / 72nd St. / New England Pl. (School House Circle) (45.05673, -92.85909)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 55.6830  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Rochester,
                MN Olmsted Co. United States  | 
            
                College Dr. SE / College Pkwy. SE (north) (44.01949, -92.42918)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.2920  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | |
| 
                Rochester,
                MN Olmsted Co. United States  | 
            
                UCR Dr. SE / Ucr Pkwy SE (south) (44.01538, -92.43011)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 46.3809  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Blair,
                NE Washington Co. United States  | 
            
                NE 133 / US 30 (41.51842, -96.14633)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 41.1353  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Opened November 4, 2004. Right-turn bypass lanes on all three approaches. http://www.nebraskatransportation.org/roadrunner/docs/archives/Dec04Jan05.pdf ICD estimated from Google Maps linework. | 
| 
                Bend,
                OR Deschutes Co. United States  | 
            
                NE 15th St. / Bear Creek Rd. (44.05150, -121.28400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.9018  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Near elementary school. Crossing guard operation. ICD estimated from Google Maps linework. | 
| 
                Draper,
                UT Salt Lake Co. United States  | 
            
                Vestry Rd. / Rocky Mouth Ln. (40.48996, -111.87390)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 57.2236  | 
            
                Other (At-Grade) Single-Lane  |   
            1996 | ICD estimated from Google Maps linework. | 
| 
                Orem,
                UT Utah Co. United States  | 
            
                E 850 North / N Palisade Dr. (40.31273, -111.66490)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 25.4997  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Lindon,
                UT Utah Co. United States  | 
            
                400 South / 600 West (Lindon Park Circle) (40.33034, -111.73140)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 33.6873  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2001 | Date estimated. ICD estimated from Google Maps linework. | 
| 
                Provo,
                UT Utah Co. United States  | 
            
                1730 North / 1740 West (40.25703, -111.68890)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.3437  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Promenade Dr. / Royal Pine Dr. (38.96891, -104.74860)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 48.2859  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Provo,
                UT Utah Co. United States  | 
            
                700 East / Center St. (40.23369, -111.64660)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.9119  | 
            
                Other (At-Grade) Single-Lane  |   
            1996 | ICD estimated from Google Maps linework. | 
| 
                Provo,
                UT Utah Co. United States  | 
            
                1700 North / 1730 North / 1500 West (40.25650, -111.68530)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.4324  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | ICD estimated from Google Maps linework. | 
| 
                Provo,
                UT Utah Co. United States  | 
            
                300 North / Seven Peaks Blvd. (40.23737, -111.63750)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.7337  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1997 | ICD estimated from Google Maps linework. | 
| 
                Provo,
                UT Utah Co. United States  | 
            
                5000 North / Edgewood Dr. (40.30066, -111.65750)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 19.1282  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | ICD estimated from Google Maps linework. | 
| 
                Latham,
                NY Albany Co. United States  | 
            
                Latham Circle: Rte 2 / Rte 9 (42.74810, -73.76098)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 76.2000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2002 | |
| 
                Nashua,
                NH Hillsborough Co. United States  | 
            
                SR 130 (Broad St.) / Coburn Ave. / Chuck Drudging Dr. (42.75617, -71.51653)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.0619  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Entrance to north high school, very heavy traffic in AM peak. ICD estimated from Google Maps linework. | 
| 
                Las Vegas,
                NV Clark Co. United States  | 
            
                Carey Ave. / Belmont St. (36.20325, -115.10700)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 13.4923  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Las Vegas,
                NV Clark Co. United States  | 
            
                Carey Ave. / Hamilton St. (36.20310, -115.12310)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.9484  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Las Vegas,
                NV Clark Co. United States  | 
            
                Carey Ave. / Revere St. (36.20313, -115.15180)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.8396  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Las Vegas,
                NV Clark Co. United States  | 
            
                Hills Dr. / Longspur Dr. (36.19252, -115.29770)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 47.2295  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1991 | ICD estimated from Google Maps linework. | 
| 
                Alpine,
                UT Utah Co. United States  | 
            
                Canyon Crest Rd. / Alpine Hwy. (S. Main St.) (40.44784, -111.77840)  | 
            
                Roundabout Existing  | 
            
                Uncontrolled Active Pedestrian Warning (flashing yellow)  | 
            
                4 Approaches 0 Driveways 42.7174  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Free-merge, active pedestrian warning Functional Class: Major Arterial ICD estimated from Google Maps linework. | 
| 
                Truckee,
                CA Nevada Co. United States  | 
            
                Hwy 89 / I-80 EB Ramps (39.32243, -120.20770)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 55.4354  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Green Bay,
                WI Brown Co. United States  | 
            
                Airport Dr. (STH 172) / S. Pine Tree Rd. (44.49955, -88.14986)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.2968  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Calgary,
                AB Calgary Region Canada  | 
            
                8th St. / Frontenac Ave. (51.02937, -114.08350)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.5433  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Driveway serving house entering roundabout. ICD estimated from Google Maps linework. | 
| 
                Calgary,
                AB Calgary Region Canada  | 
            
                Discovery Ridge Blvd. / Discovery Dr. (51.01179, -114.20000)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.0855  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2001 | Date estimated. ICD estimated from Google Maps linework. | 
| 
                Calgary,
                AB Calgary Region Canada  | 
            
                McKenzie Towne Blvd. / McKenzie Towne Gt. / Prestwick Blvd. / Inverness Gt. (50.91650, -113.96430)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 1 Driveways 80.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2000 | Fire station has direct access to circulatory roadway. Year Completed estimated (before 2002). | 
| 
                Bellingham,
                WA Whatcom Co. United States  | 
            
                Cordata Pkwy. / Kellogg Rd. (48.79511, -122.49170)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.3384  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Primary access to Whatcom Community College. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Jensen Beach,
                FL Martin Co. United States  | 
            
                SR A1A / SR 732 (Jensen Beach Causeway) (27.25565, -80.19788)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.0040  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Yield-controlled right-turn bypass lane on north leg. Posted speed on approaches is 40 mph. | 
| 
                (unincorporated),
                VA Accomack Co. United States  | 
            
                Rte 316 / Rte 13 Bus. / Rte. 126 (37.70896, -75.70512)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.4011  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Hollymead,
                VA Albemarle Co. United States  | 
            
                Rte. 649 / Rte. 606 / Airport Rd. (38.13692, -78.44793)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.3634  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Serves as entrance to airport. Previously controlled by all-way stop ICD estimated from Google Maps linework. | 
| 
                Gloucester,
                VA Gloucester Co. United States  | 
            
                W Main St. / Waltons Ln. / Fox Centre Pkwy. (37.39841, -76.52674)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.9525  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | West of Route 17, near Walmart and Home Depot retail. ICD estimated from Google Maps linework. | 
| 
                Newport News,
                VA Newport News Co. United States  | 
            
                Avenue of the Arts / University Pl. / Shoe Ln. (37.06211, -76.49220)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.4977  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Christopher Newport University entrance. ICD estimated from Google Maps linework. | 
| 
                Federal Way,
                WA King Co. United States  | 
            
                Weyerhaeuser Way S / S 336th St. (47.30262, -122.29650)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 60.9600  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2004 | Opened July 2004. Painted spirals in circulatory roadway to guide all three left turns to outer circulating lane. | 
| 
                Orlando,
                FL Orange Co. United States  | 
            
                N. Lake Orlando Pkwy / Cinderlane Pkwy (28.60276, -81.43106)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 20.9715  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Blacksburg,
                VA Montgomery Co. United States  | 
            
                Washington St. / Campus Dr. / Stadium Rd. (37.22169, -80.42204)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 62.7690  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | On the campus of Virginia Tech. ICD estimated from Google Maps linework. | 
| 
                (unincorporated),
                VA Powhatan Co. United States  | 
            
                Old Buckingham Rd. / General Scott Blvd. / (parking lot) (37.53775, -77.91700)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | In Powhatan Courthouse area opposite a subdivision. |