| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Champaign,
                IL Champaign Co. United States  | 
            
                Crabapple Ln. / Sandcherry Dr. (40.09553, -88.32968)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 1 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | |
| 
                Dalton Gardens,
                ID Kootenai Co. United States  | 
            
                4th St. / Hanley Ave. (47.72981, -116.77610)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Active Pedestrian Warning (flashing yellow)  | 
            
                4 Approaches 0 Driveways 32.1335  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Nassau,
                New Providence Nassau The Bahamas  | 
            
                Harrold Rd. / Sir Milo Butler Hwy (25.04628, -77.37572)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 50.8550  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Nassau,
                New Providence Nassau The Bahamas  | 
            
                Harrold Rd. / Bahama Games Blvd. (25.04516, -77.36151)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 50.8555  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Nassau,
                New Providence Nassau The Bahamas  | 
            
                Harrold Rd. / Independence Dr. / Blue Hill Rd. (25.04437, -77.35043)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 62.7582  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Madison,
                WI Dane Co. United States  | 
            
                Lien Rd. / Zeier Rd. (43.12128, -89.29919)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 53.1768  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2010 | Opened October 2010. ICD estimated from Google Maps linework. | 
| 
                Mosinee,
                WI Marathon Co. United States  | 
            
                Main St. / Old Highway 51 / Ranger St. (44.79026, -89.69181)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7706  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Billings,
                MT Yellowstone Co. United States  | 
            
                Shiloh Rd. / Grand Ave. (45.78407, -108.61760)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 39.1455  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Series of 8 roundabouts. Fatal crash 2012. 11861-05. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| 
                Billings,
                MT Yellowstone Co. United States  | 
            
                Shiloh Rd. / Broadwater Ave. (45.77685, -108.61760)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 44.9815  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| 
                Billings,
                MT Yellowstone Co. United States  | 
            
                Shiloh Rd. / Central Ave. (45.76963, -108.61760)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 53.3183  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2010 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| 
                Billings,
                MT Yellowstone Co. United States  | 
            
                Shiloh Rd. / Monad Rd. (45.76236, -108.61760)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.6596  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2010 | Series of 8 roundabouts. Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| 
                Billings,
                MT Yellowstone Co. United States  | 
            
                Shiloh Rd. / King Ave. (45.75507, -108.61760)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 58.3321  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2010 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| 
                Billings,
                MT Yellowstone Co. United States  | 
            
                Shiloh Rd. / (Local Access) (45.74776, -108.61750)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 37.5041  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2010 | Series of 8 roundabouts. Main access to construction materials facility (600+ trucks per day). Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| 
                Billings,
                MT Yellowstone Co. United States  | 
            
                Shiloh Rd. / Hesper Rd. (45.74060, -108.61740)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 43.3436  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| 
                Billings,
                MT Yellowstone Co. United States  | 
            
                Shiloh Rd. / Zoo Dr. (45.73609, -108.61740)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 41.6799  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Series of 8 roundabouts. Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| 
                Nassau,
                New Providence Nassau The Bahamas  | 
            
                Independence Dr. / East St. (25.04569, -77.34169)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 55.1833  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Santa Barbara,
                CA Santa Barbara Co. United States  | 
            
                Cabrillo Blvd. / Coast Village Rd. / Hot Springs Rd. (34.42272, -119.65268)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | |
| 
                Billings,
                MT Yellowstone Co. United States  | 
            
                Hwy 3 / 27th St. / Airport Rd. (45.80209, -108.53540)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7937  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Located at Billings airport. Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| 
                Redding,
                CA Shasta Co. United States  | 
            
                Shasta View Dr. / Inspiration Pl. (40.59578, -122.32500)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 39.9026  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | In a new school zone Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Corinth,
                MS Alcorn Co. United States  | 
            
                Harper Rd. / Droke Rd. (34.92347, -88.49539)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | School 1000' west of roundabout. | 
| 
                Fairfield Township,
                OH Butler Co. United States  | 
            
                Hamilton Mason Rd. / Liberty Fairfield Rd. (39.37527, -84.48046)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.6219  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Since completion, has reduced accidents by 80%. Replaced two offset T intersections. Previously controlled by two-way stop Functional Class: Major Collector ICD estimated from Google Maps linework. | 
| 
                Grass Valley,
                CA Nevada Co. United States  | 
            
                E. Main St. / Idaho-Maryland Rd. / SR 20 WB Ramps (39.22168, -121.05380)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2008 | Yield-controlled right-turn bypass lane on north leg with very shallow angle. Left-turn-only lane on east leg. | 
| 
                Morro Bay,
                CA San Luis Obispo Co. United States  | 
            
                Morro Bay Blvd. / Quintana Rd. (35.36641, -120.84100)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 1 Driveways 31.1659  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                North Auburn,
                CA Placer Co. United States  | 
            
                Willow Creek / 1st St. (38.93790, -121.10060)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 38.0883  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Anacortes,
                WA Skagit Co. United States  | 
            
                Commercial Ave. / SR20 Spur (48.49332, -122.61280)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 34.8256  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Ladera Ranch,
                CA Orange Co. United States  | 
            
                Michael Rd. / Cambridge Ethereal Rd. (33.53294, -117.64460)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 26.8800  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                San Diego,
                CA San Diego Co. United States  | 
            
                La Jolla Blvd. / Forward St. (32.81379, -117.26950)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 22.0827  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Series of 5 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Bellingham,
                WA Whatcom Co. United States  | 
            
                Northwest Ave. / I-5 NB Ramp (48.78500, -122.50420)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 35.4117  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | RT bypass lane on southbound approach. ICD estimated from Google Maps linework. | 
| 
                Everett,
                WA Snohomish Co. United States  | 
            
                13th St. / 1st Ave. (48.00026, -122.21570)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 27.1714  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Ferndale,
                WA Whatcom Co. United States  | 
            
                I-5 SB Ramps / 2nd St. / Portal Way (48.85686, -122.58840)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.8616  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                San Diego,
                CA San Diego Co. United States  | 
            
                La Jolla Hermosa Ave. / Forward St. (32.81402, -117.26840)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 25.0939  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Issaquah,
                WA King Co. United States  | 
            
                East Lake Sammamish Parkway / SE 43rd Way (47.56792, -122.05500)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 38.6799  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                San Diego,
                CA San Diego Co. United States  | 
            
                La Jolla Blvd. / Bird Rock Ave. (32.81559, -117.27060)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 21.0785  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Series of 5 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Lake Stevens,
                WA Snohomish Co. United States  | 
            
                Lundeen Parkway / Soper Hill Rd. (48.01557, -122.10010)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 29.5601  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                San Diego,
                CA San Diego Co. United States  | 
            
                La Jolla Blvd. / Camino de la Costa (32.81756, -117.27190)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 23.0854  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Series of 5 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Ocean Shores,
                WA Grays Harbor Co. United States  | 
            
                Point Brown Ave / Chance a la Mer (47.00745, -124.16140)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 39.9064  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                San Diego,
                CA San Diego Co. United States  | 
            
                Bird Rock Ave. / Chelsea Ave. (32.81540, -117.27162)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 13.7160  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Earth. | 
| 
                Granite Falls,
                WA Snohomish Co. United States  | 
            
                Granite Falls Access Rd. / Burn Rd. (NE 100th St.) (48.08656, -121.99060)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.2954  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | November 2010. ICD estimated from Google Maps linework. | 
| 
                Granite Falls,
                WA Snohomish Co. United States  | 
            
                Granite Falls Access Rd. / Jordan Rd (48.09135, -121.97980)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 55.0445  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | November 2010. ICD estimated from Google Maps linework. | 
| 
                Granite Falls,
                WA Snohomish Co. United States  | 
            
                Granite Falls Access Rd. / SR 92 (48.08332, -121.99000)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.2978  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | May 2010. ICD estimated from Google Maps linework. | 
| 
                Nassau,
                New Providence Nassau The Bahamas  | 
            
                Nassau St. / Thompson Blvd. / Poinciana Dr. (25.06443, -77.35457)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 51.9293  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Swinomish Tribal Community,
                WA Skagit Co. United States  | 
            
                Knudsen Ln. / Casino Dr. (48.45635, -122.51910)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.2668  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Year Completed estimated (2012-2013). ICD estimated from Google Maps linework. | 
| 
                Yakima,
                WA Yakima Co. United States  | 
            
                E Valley Mall Blvd. / S Rudkin Rd. (46.56300, -120.47520)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 35.3102  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2010 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Yakima,
                WA Yakima Co. United States  | 
            
                E. Valley Mall Blvd. / I-82 EB Ramps (46.56298, -120.47290)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                5 Approaches 0 Driveways 54.1971  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Yakima,
                WA Yakima Co. United States  | 
            
                E. Valley Mall Blvd. / I-82 WB Ramps (46.56298, -120.47170)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 98.5403  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2011 | ICD estimated from Google Maps linework. | 
| 
                Mecca,
                CA Riverside Co. United States  | 
            
                Hammond Rd. / 4th St. (33.57183, -116.07794)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)  | 
            
                3 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Double-track railroad with at-grade rail crossing on the southwest leg (4th Street) approximately 200 feet from the roundabout. A signalized intersection is located on the opposite side of the at-grade rail crossing approximately 230 feet from the rail crossing. Merging right-turn bypass lane on the southwest leg. | 
| 
                Lexington Park,
                MD St. Marys Co. United States  | 
            
                Tate Rd. / Shaw Rd. (38.26955, -76.42012)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.8809  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Y-shaped with right-turn bypass lanes. ICD estimated from Google Maps linework. | 
| 
                Sammamish,
                WA King Co. United States  | 
            
                244th Ave NE / NE 8th St (47.61673, -122.01390)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.0083  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Sammamish,
                WA King Co. United States  | 
            
                244th Ave. NE / E Main Dr. (47.60881, -122.01390)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 22.5457  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Wenatchee,
                WA Chelan Co. United States  | 
            
                Riverside Dr. / 5th St. (47.43215, -120.31267)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 25.0455  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | October 2009. ICD estimated from Google Maps linework. | 
| 
                Lynden,
                WA Whatcom Co. United States  | 
            
                SR 539 / Ten Mile Rd. (48.86968, -122.48580)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 46.3503  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Lynden,
                WA Whatcom Co. United States  | 
            
                SR 539 / Pole Rd. (48.89152, -122.48560)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.1153  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Lynden,
                WA Whatcom Co. United States  | 
            
                SR 539 / Wiser Lake Rd. (48.90677, -122.48560)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.1009  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Fort Mill,
                SC York Co. United States  | 
            
                Assembly Dr. / First Baxter Crossing (35.02980, -80.96839)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 53.7889  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Year Completed estimated (1998-2002). ICD estimated from Google Maps linework. | 
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                Oakridge Rd. / Adios Pass (39.98876, -86.14577)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.6024  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Tallmadge,
                OH Summit Co. United States  | 
            
                Howe Rd. / Northeast Ave. / N Munroe Rd. (41.11800, -81.41503)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                6 Approaches 0 Driveways 52.1858  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2010 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Kemptville,
                ON United Counties of Leeds and Grenville Canada  | 
            
                CR 43 / Pinehill Rd. (45.01836, -75.65872)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 32.0814  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Kemptville,
                ON United Counties of Leeds and Grenville Canada  | 
            
                CR 43 / (Colonnade entrance) (45.03069, -75.63316)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 43.0473  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Odessa,
                ON Lennox and Addington Canada  | 
            
                CR 2 / CR 4 (44.26179, -76.77489)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 38.4898  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                Oakridge Rd. / Bennett Rd. (39.99594, -86.14580)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.8536  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Baton Rouge,
                LA East Baton Rouge Par. United States  | 
            
                Lovett Rd. / (Magnolia Square subdivision) (30.52095, -91.03818)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 18.5192  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Anacortes,
                WA Skagit Co. United States  | 
            
                Pennsylvania Ave. / W 12th St. (48.49817, -122.65669)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Built for the purpose of traffic calming near a residential park area. Concrete-asphalt. | 
| 
                Princeton Junction,
                NJ Mercer Co. United States  | 
            
                Post Rd. / Alexander Rd. (40.31186, -74.62854)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.1429  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| 
                Azusa,
                CA Los Angeles Co. United States  | 
            
                Sierra Madre Ave. / Vosberg Dr. (34.14674, -117.90260)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.5835  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Built near a single-family housing project that was previously a large nursery. ICD estimated from Google Maps linework. | 
| 
                Azusa,
                CA Los Angeles Co. United States  | 
            
                Sierra Madre Ave. / Macneil Dr. (34.14662, -117.89040)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.5835  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Built on single-family home project that was previously a large nursery. ICD estimated from Google Maps linework. | 
| 
                Azusa,
                CA Los Angeles Co. United States  | 
            
                The Promenade / (unknown) (34.13805, -117.89310)  | 
            
                Other Existing  | 
            
                Unknown None  | 
            
                3 Approaches 0 Driveways 34.5986  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Champaign,
                IL Champaign Co. United States  | 
            
                English Oak Dr. / (unknown) (40.10075, -88.32784)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 28.3203  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                West Valley,
                UT Salt Lake Co. United States  | 
            
                Lake Park Blvd. / Daybury Dr. (40.71107, -112.02180)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 53.3400  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | |
| 
                West Valley,
                UT Salt Lake Co. United States  | 
            
                Lake Park Blvd. / Highbury Pkwy. (40.71235, -112.01350)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 64.0080  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | |
| 
                West Valley,
                UT Salt Lake Co. United States  | 
            
                Lake Park Blvd. / S 4800 W (40.71236, -112.00900)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 52.5070  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                West Valley,
                UT Salt Lake Co. United States  | 
            
                Daybury Dr. / Highbury Pkwy. (40.70805, -112.02010)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.2440  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | |
| 
                West Jordan,
                UT Salt Lake Co. United States  | 
            
                4800 W / 7600 S (40.61269, -112.00540)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.8260  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Fourth leg added. Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| 
                Rome,
                NY Oneida Co. United States  | 
            
                SR 825 / Ellsworth Rd. (43.21731, -75.41796)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 55.7044  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | Constructed in old air force base. ICD estimated from Google Maps linework. | 
| 
                Corning,
                NY Steuben Co. United States  | 
            
                Robert Dann Blvd. / Aurene Dr. / Creekside Dr. (42.16506, -77.11484)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.7216  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Access permits for research and development plant. ICD estimated from Google Maps linework. | 
| 
                San Clemente,
                CA Orange Co. United States  | 
            
                Calle Las Bolsa / Boca de la Playa (33.43215, -117.63000)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 22.9244  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Dover,
                DE Kent Co. United States  | 
            
                Mifflin Rd. / Woodmill Dr. (39.15527, -75.55831)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Painted splitter islands. | 
| 
                Redmond,
                WA King Co. United States  | 
            
                Eastridge Dr. NE / 244th Pl. NE (47.68499, -122.01300)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 16.8846  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2014 | Open July 2014. ICD estimated from Google Maps linework. | 
| 
                Cheektowaga,
                NY Erie Co. United States  | 
            
                Harlem Rd. / Cleveland Dr. (42.94493, -78.78408)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.5872  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Round Lake,
                NY Saratoga Co. United States  | 
            
                Rte. 9-Rte. 67 / Round Lake Bypass (42.94849, -73.78979)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 52.4525  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Lackawanna,
                NY Erie Co. United States  | 
            
                McKinley Pkwy. / Dorrance Ave. / Vincent Ave. (42.83200, -78.81520)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 30.6551  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Restriped as single-lane roundabout. ICD estimated from Google Maps linework. | 
| 
                Lackawanna,
                NY Erie Co. United States  | 
            
                McKinley Pkwy. / Choate Ave. / Red Jacket Pkwy. (42.84436, -78.81496)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                5 Approaches 0 Driveways 138.3584  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Lackawanna,
                NY Erie Co. United States  | 
            
                Dorrance Ave. / S. Shore Blvd. / Ward Ct. (42.83199, -78.80859)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0345  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Restriped as single-lane roundabout. ICD estimated from Google Maps linework. | 
| 
                Casper,
                WY Natrona Co. United States  | 
            
                Centennial Hills Blvd. / Waterford St. (42.83014, -106.26682)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Year Completed estimated (2004-2006). South leg added 2009-2012. | 
| 
                Cheyenne,
                WY Laramie Co. United States  | 
            
                High Plains Rd. / I-25 SB Ramps (41.06202, -104.87730)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.4293  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Cheyenne,
                WY Laramie Co. United States  | 
            
                High Plains Rd. / I-25 NB Ramps (41.06046, -104.87620)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 55.8337  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | Only 3 of the 5 approaches are currently in service. One is under construction for the new Southeast Wyoming Welcome Center. The last is a future extension of High Plains to the east. ICD estimated from Google Maps linework. | 
| 
                Cheyenne,
                WY Laramie Co. United States  | 
            
                Snyder Ave. / Allison Rd. (41.11004, -104.81910)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 1 Driveways 27.8958  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | South High School is on south leg. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Cheyenne,
                WY Laramie Co. United States  | 
            
                Converse Ave. / Pershing Blvd. / 19th St. (41.14558, -104.78960)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                5 Approaches 0 Driveways 36.8745  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2013 | Functional Class: Principal Arterial ICD estimated from Google Maps linework. | 
| 
                Cheyenne,
                WY Laramie Co. United States  | 
            
                H.R. Ranch Rd. / Judy Lee Dr. (41.12408, -104.73770)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.6892  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Cheyenne,
                WY Laramie Co. United States  | 
            
                Vandehei Ave. / I-25 NB Ramps / Hynds Blvd. (41.18365, -104.83710)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                6 Approaches 0 Driveways 46.7405  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2011 | Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| 
                Cheyenne,
                WY Laramie Co. United States  | 
            
                Vandehei Ave. / I-25 SB Ramps / Bishop Blvd. (41.18365, -104.83900)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                6 Approaches 0 Driveways 44.9428  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2011 | Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| 
                Batavia,
                NY Genesee Co. United States  | 
            
                Rte 33 / Rte 98 (42.99869, -78.19249)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.1808  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Chatham,
                NY Columbia Co. United States  | 
            
                Rte 66 / Rte 295 (42.36392, -73.59497)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 22.9441  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Small single-laner in village setting. ICD estimated from Google Maps linework. | 
| 
                Ithaca,
                NY Tompkins Co. United States  | 
            
                Spencer St. / Elmira Rd. / Park St. / Albany St. (42.43167, -76.50152)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 34.3790  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Greenwich,
                NY Washington Co. United States  | 
            
                Rte 29 / Rte 40 (43.10361, -73.51842)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.3681  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Plattsburgh,
                NY Clinton Co. United States  | 
            
                Rte 9 / New York Rd. / Vermont St. (44.68128, -73.44769)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.3649  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Liberty,
                NY Sullivan Co. United States  | 
            
                Rte 17 SB Ramps / Rte 52 (41.79303, -74.73518)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.9463  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Liberty,
                NY Sullivan Co. United States  | 
            
                Rte 52 / Rte 55 (41.79688, -74.74020)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.2731  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Cortlandt Manor,
                NY Northern Westchester Co. United States  | 
            
                Oregon Rd. / Jay Rd. / Westbrook Ct. (41.32445, -73.88305)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 30.4953  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Mount Vernon,
                NY Westchester Co. United States  | 
            
                Lincoln Ave. / Gramatan Ave. (40.91744, -73.83753)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Central island has fountain and music ICD estimated from Google Maps linework. | 
| 
                Caledonia,
                NY Livingston Co. United States  | 
            
                Rte 5 / Rte 383 (42.97311, -77.85300)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.0896  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Resigned and restriped traffic circle. Previously controlled by circle ICD estimated from Google Maps linework. |