| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Riverhead,
                NY Suffolk Co. United States  | 
            
                Rte. 58 / Roanoke Ave. (40.93315, -72.67399)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.7005  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Was single-lane traffic circle. Redesigned, resigned, and restriped in 2009. ICD estimated from Google Maps linework. | 
| 
                Fort Montgomery,
                NY Orange Co. United States  | 
            
                US 6 / US 9W / Bear Mountain Bridge (41.32020, -73.99147)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 98.6676  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Functional Class: Arterial ICD estimated from Google Maps linework. | |
| 
                Bear Mountain,
                NY Rockland Co. United States  | 
            
                US 6 / Seven Lakes Dr. (41.30530, -74.03460)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 109.4564  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Squamish,
                BC Squamish-Lillooet District Canada  | 
            
                Commercial Way / Discovery Way (49.72279, -123.15057)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | Home Depot retail center on one corner. Uses fishhook signs and pavement markings. Year Completed estimated (2004-2009). | 
| 
                Orlando,
                FL Orange Co. United States  | 
            
                Arbor Park Ln. / Village Oak Ln. (28.78793, -81.35421)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 32.4483  | 
            
                Other (At-Grade) Single-Lane  |   
            Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Orlando,
                FL Orange Co. United States  | 
            
                Arbor Park Ln. / Colonial Center Pkwy. / Colonial Grand Ln. (28.79006, -81.35422)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 29.3075  | 
            
                Other (At-Grade) Single-Lane  |   
            Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Asheville,
                NC Buncombe Co. United States  | 
            
                College St. / Valley St. / Oak St. (35.59719, -82.54733)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.1343  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Entrance to downtown. Downtown redevelopment - "road diet". ICD estimated from Google Maps linework. | 
| 
                West Jordan,
                UT Salt Lake Co. United States  | 
            
                W 8020 S / (parking lots) (40.60561, -111.93990)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.3888  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Grand Junction,
                CO Mesa Co. United States  | 
            
                Main St. / 7th St. (39.06731, -108.56104)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.8912  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Bridal Falls,
                BC Fraser Valley Regional District Canada  | 
            
                Hwy 9 / Yale Road East (49.18523, -121.76500)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Completed October 29, 2004. | 
| 
                Fort Wayne,
                IN Allen Co. United States  | 
            
                Old Mill Rd. / Westover Rd. (41.04247, -85.15324)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 29.7261  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Previously controlled by two-way stop control Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Fort Wayne,
                IN Allen Co. United States  | 
            
                Pontiac St. / Wayne Trace (South) / Adams St. / Pioneer St. (41.06100, -85.10003)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | One of two adjacent roundabouts. | 
| 
                Fort Wayne,
                IN Allen Co. United States  | 
            
                Pontiac St. / Wayne Trace (North) / Fenker Ave. / Pioneer St. (41.06183, -85.09948)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | One of two adjacent roundabouts. | 
| 
                Dublin,
                OH Union Co. United States  | 
            
                Hyland-Croy Rd. / Glacier Ridge Blvd (40.15634, -83.18476)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.9484  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | A school nearby and park on the other side. Previously controlled by stop control side street Functional Class: Arterial/Residential ICD estimated from Google Maps linework. | 
| 
                Boston,
                MA Suffolk Co. United States  | 
            
                Columbia Rd. / William J. Day Blvd. (42.32172, -71.05128)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 69.7616  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Functional Class: Arterial ICD estimated from Google Maps linework. | |
| 
                Boston,
                MA Suffolk Co. United States  | 
            
                Willard St. / I-93 Ramps / Furnace Brook Expwy. (42.24208, -71.02673)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 99.0276  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Woburn,
                MA Middlesex Co. United States  | 
            
                I-95 Ramps / MA 38 (Main St.) (42.49945, -71.15711)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 30.8196  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Revere,
                MA Suffolk Co. United States  | 
            
                Copeland Circle [Rte 60 (Squire Rd.) / US 1 Ramps] (42.43008, -71.01710)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 381.0000  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)  |   
            Retrofitted (November 2018) with multi-lane approaches/departures on the Route 1 ramps and roundabout style pavement markings and signs within the circulating roadway. ICD = 1250 ft x 880 ft. 21442 | |
| 
                Newport,
                RI Newport Co. United States  | 
            
                J. T. Connell Hwy. / Admiral Kalbfus Rd. (41.50703, -71.31757)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2022 | Conversion from rotary to roundabout. https://www.newportthisweek.com/articles/rotary-morphing-into-a-roundabout/ | 
| 
                Hollymead,
                VA Albemarle Co. United States  | 
            
                Timberwood Blvd. / Conner Blvd. (38.13065, -78.44083)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.8813  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Hollymead,
                VA Albemarle Co. United States  | 
            
                Timberwood Blvd. / Grand Forks Blvd. (38.13111, -78.44283)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 93.9459  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Sedona,
                AZ Coconino Co. United States  | 
            
                AZ 89A / AZ 179 (34.86597, -111.76370)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.1774  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Seattle,
                WA King Co. United States  | 
            
                16th Ave. E. / E. Spring St. (47.61154, -122.31150)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 8.8568  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Seattle,
                WA King Co. United States  | 
            
                15th Ave. E. / E. Spring St. (47.61155, -122.31280)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 44.2838  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Seattle,
                WA King Co. United States  | 
            
                16th Ave. E. / E. Marion St. (47.61037, -122.31150)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 9.6621  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Seattle,
                WA King Co. United States  | 
            
                17th Ave. E. / E. Marion St. (47.61036, -122.31020)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 6.4414  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Seattle,
                WA King Co. United States  | 
            
                Ashworth Ave. N / N 137th St. (47.72868, -122.33970)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 14.4604  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Seattle,
                WA King Co. United States  | 
            
                Wallingford Ave. N / N 137th St. (47.72868, -122.33690)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 12.8537  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Hollymead,
                VA Albemarle Co. United States  | 
            
                Ashwood Blvd. / Stratford Glen / Chimney Rd. (38.10672, -78.43133)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 22.5545  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Bedford,
                VA Bedford Co. United States  | 
            
                London Park Dr. / Meade Rd. / Meadow Down Dr. (37.30592, -79.33699)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | https://www.wdbj7.com/2020/07/28/meade-road-extension-to-be-completed-soon/ | 
| 
                Linton Hall,
                VA Prince William Co. United States  | 
            
                Tartan Hills Pkwy (VA 3254) / Broadsword Dr. (VA 3256) (38.74232, -77.58066)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.9462  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Linton Hall,
                VA Prince William Co. United States  | 
            
                Braemar Pkwy. (VA 3080) / Iona Sound Dr. (VA 3089) (38.73510, -77.56889)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.5816  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Year Completed estimated (1994-2002). ICD estimated from Google Maps linework. | 
| 
                Amherst,
                VA Amherst Co. United States  | 
            
                US 60 / US 29 (37.58815, -79.04990)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.2314  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Constructed in 1936, upgraded in 1940 and again in 2004. ICD estimated from Google Maps linework. | 
| 
                Port St. Lucie,
                FL St. Lucie Co. United States  | 
            
                SE Westmoreland Blvd. / Morningside Blvd. (27.25997, -80.30961)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 49.8991  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Spokane,
                WA Spokane Co. United States  | 
            
                SR 206 (Mt. Spokane Park Dr.) / Bruce Rd. (47.78761, -117.30400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.3076  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | http://www.wsdot.wa.gov/Projects/SR206/BruceRoadRoundabout/. Opened December 2005. Previously controlled by 2-way stop control ICD estimated from Google Maps linework. | 
| 
                Spokane,
                WA Spokane Co. United States  | 
            
                Wellesley Ave. / A St. (47.70076, -117.45400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.7401  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Opened October 2005. ICD estimated from Google Maps linework. | 
| 
                Petaluma,
                CA Sonoma Co. United States  | 
            
                Casa Grande Rd. / Ely Blvd. (38.24348, -122.59580)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.8924  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | ICD estimated from Google Maps linework. | 
| 
                Phoenix,
                AZ Maricopa Co. United States  | 
            
                W Riverwood Blvd. / W Kirby Ave. (33.41608, -112.27480)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.9473  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Painted splitter islands. ICD estimated from Google Maps linework. | 
| 
                Cottonwood,
                AZ Yavapai Co. United States  | 
            
                AZ 89A / Avenida Centerville (34.75854, -112.05880)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 47.0983  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Clarkdale,
                AZ Yavapai Co. United States  | 
            
                AZ 89A / Cement Plant Rd. / Clarkdale Pkwy. (34.76220, -112.06416)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Series of 5 roundabouts. Yield-controlled right-turn bypass lane on east leg. Year Completed estimated (2007-2009). | 
| 
                Cottonwood,
                AZ Yavapai Co. United States  | 
            
                AZ 89A / Groseta Ranch Rd. (34.74706, -112.04510)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 46.1235  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Cottonwood,
                AZ Yavapai Co. United States  | 
            
                AZ 89A / Lisa St. / Lincoln Dr. (34.75449, -112.05400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.0444  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Hilliard,
                OH Franklin Co. United States  | 
            
                Britton Pkwy. / Hayden Run Rd. (40.06202, -83.13750)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.8640  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | ICD = 160 feet in one-lane section, 180 in two-lane section. | 
| 
                Hilliard,
                OH Franklin Co. United States  | 
            
                Britton Pkwy. / Riggins Rd. (40.06493, -83.13857)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.8637  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2006 | Converted from 2x2 roundabout to a 2x1 roundabout in 2020 by changing the EB and WB thru/right lanes to RT only lanes. | 
| 
                Eno,
                CO Adams Co. United States  | 
            
                Memphis St. / E. 105th Way (39.88830, -104.79660)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.8265  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Eno,
                CO Adams Co. United States  | 
            
                Kittredge St. / E. 107th Ave. (39.89114, -104.80140)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.3237  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Oshkosh,
                WI Winnebago Co. United States  | 
            
                Jackson St. / Murdock Ave. (44.03947, -88.54265)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2010 | |
| 
                Seattle,
                WA King Co. United States  | 
            
                34th Ave. SW / SW Elmgrove St. (47.53009, -122.37530)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Edmonton,
                AB Edmonton Capital Region Canada  | 
            
                107th Ave. / 142nd St. NW (53.55102, -113.56580)  | 
            
                Rotary Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 81.5992  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Muskegon,
                MI Muskegon Co. United States  | 
            
                W. Western Ave. / 3rd St. (43.23536, -86.25337)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 24.3635  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Year Completed estimated (2006-2010). ICD estimated from Google Maps linework. | 
| 
                West Roxbury,
                MA Suffolk Co. United States  | 
            
                W. Roxbury Pkwy. / Centre St. (42.28730, -71.14774)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 68.9162  | 
            
                Other (At-Grade) Unknown  |   
            ICD estimated from Google Maps linework. | |
| 
                Tumwater,
                WA Thurston Co. United States  | 
            
                Tumwater Blvd. / New Market St. (46.97971, -122.91320)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 49.7052  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Medford,
                OR Jackson Co. United States  | 
            
                Highland Dr. / Siskiyou Blvd. (42.32110, -122.84986)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Elliptical shaped. ICD = 140 ft x 125 ft. Fire station on south leg. | 
| 
                Yelm,
                WA Thurston Co. United States  | 
            
                SR 510 / Mud Run Rd. SE (46.96465, -122.63230)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.8630  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | October 2010. ICD estimated from Google Maps linework. | 
| 
                Mendon,
                NY Monroe Co. United States  | 
            
                NY 65 / NY 251 (42.99061, -77.57766)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.8180  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Bend,
                OR Deschutes Co. United States  | 
            
                NE 18th St. / Cooley Rd. (44.11047, -121.27940)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.5914  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Only two legs to open initially - full operation in 2008. ICD estimated from Google Maps linework. | 
| 
                Lawrence,
                KS Douglas Co. United States  | 
            
                Fall Creek Dr. / Running Ridge Rd. (38.98069, -95.28360)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 41.7789  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                W 96th St. / N Spring Mill Rd. (39.92713, -86.16510)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.8640  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2006 | |
| 
                Macomb,
                MI Macomb Co. United States  | 
            
                25 Mile Rd. / Hayes Rd. (42.70090, -82.97623)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.4973  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Bend,
                OR Deschutes Co. United States  | 
            
                SW Bond St. / Wilson St. (44.04616, -121.30970)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.4799  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2007 | Single-Lane except one separate right turn lane ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 58th Ave. (S) / SE Lincoln St. (45.50805, -122.60380)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 104.6245  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 5/8/1990. ICD estimated from Google Maps linework. | 
| 
                Sacramento,
                CA Sacramento Co. United States  | 
            
                26th St. / I St. (38.57565, -121.47140)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 81.2327  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Sacramento,
                CA Sacramento Co. United States  | 
            
                24th St. / I St. (38.57636, -121.47410)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 55.0883  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Sacramento,
                CA Sacramento Co. United States  | 
            
                24th St. / H St. (38.57746, -121.47360)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 70.0264  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Sacramento,
                CA Sacramento Co. United States  | 
            
                26th St. / E St. (38.58003, -121.46950)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 15.8721  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Davis,
                CA Yolo Co. United States  | 
            
                Peter J Shields Ave. / East Quad (38.54061, -121.74820)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 16.8150  | 
            
                Other (At-Grade) Unknown  |   
            On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Davis,
                CA Yolo Co. United States  | 
            
                Peter J Shields Ave. / West Quad (38.54028, -121.75010)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 14.9467  | 
            
                Other (At-Grade) Single-Lane  |   
            On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Davis,
                CA Yolo Co. United States  | 
            
                California Ave. / North Quad (38.54252, -121.75300)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 20.5511  | 
            
                Other (At-Grade) Single-Lane  |   
            On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Davis,
                CA Yolo Co. United States  | 
            
                California Ave. / Storer Mall (38.54082, -121.75250)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 13.0783  | 
            
                Other (At-Grade) Single-Lane  |   
            On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Davis,
                CA Yolo Co. United States  | 
            
                California Ave. / Hutchison Dr. (38.53909, -121.75200)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 38.3015  | 
            
                Other (At-Grade) Single-Lane  |   
            On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local. Year Completed unknown (before 1993). ICD estimated from Google Maps linework. | |
| 
                Woodland,
                CA Yolo Co. United States  | 
            
                Palm Ave. / Keystone Ave. (38.68635, -121.77050)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 41.0198  | 
            
                Other (At-Grade) Single-Lane  |   
            Circular intersection in older neighborhood. ICD estimated from Google Maps linework. | |
| 
                Madison,
                WI Dane Co. United States  | 
            
                Kendall Ave. / Grand Ave. (43.07145, -89.43156)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            1997 | |
| 
                Madison,
                WI Dane Co. United States  | 
            
                New Washburn Way / Dandaneau Trl. / Chautauqua Trl. (43.04669, -89.51501)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 13.9650  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Madison,
                WI Dane Co. United States  | 
            
                Glenway St. / Hillcrest Dr. (43.06437, -89.43896)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 11.3433  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Los Alamos,
                NM Los Alamos Co. United States  | 
            
                Diamond Dr. / San Ildefonso Rd. (35.89893, -106.29866)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.0241  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Redesign of existing traffic circle; previously controlled by 1 stop, 3 yields. Right-turn bypass lanes on west and east legs. Year Completed estimated (2006-2009). ICD estimated from Google Maps linework. | 
| 
                Pearl Harbor Naval Base (Ford Island),
                HI Oahu Co. United States  | 
            
                Ford Island Blvd. / Saratoga Blvd. (21.36689, -157.95610)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 52.2752  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Existing prior to 2005. Relocated in 2005/2006. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Honolulu,
                HI Oahu Co. United States  | 
            
                Keeaumoku St. / Heulu St. (21.30592, -157.83500)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 17.8032  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Urban. ICD estimated from Google Maps linework. | 
| 
                Glenwood Springs,
                CO Garfield Co. United States  | 
            
                Mel Ray Rd. / I-70 EB Ramps / Midland Ave. / Riverine Rd. (39.56019, -107.36139)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 46.9595  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2006 | 1 of 2 at Exit 114 on I-70, observed under construction in 2005. ICD estimated from Google Maps linework. | 
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                N. Ditch Rd. / W. 96th St. (39.92681, -86.18403)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 33.8879  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Previously controlled by 4-way stop ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Mesa Rd. / Kissing Camels Dr. (38.87808, -104.86580)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 29.7525  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Seattle,
                WA King Co. United States  | 
            
                Meridian Ave. N / N 37th St. (47.65196, -122.33386)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Beaverton,
                OR Washington Co. United States  | 
            
                SW Hart Rd. / Sorrento Rd. / Juniper Terr. (45.46680, -122.80880)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.1283  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Collector. Pedestrian ramps into circulatory roadway. ICD estimated from Google Maps linework. | |
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                NE 24th Ave. / Brazee St. (45.54050, -122.64110)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            1989 | Completed 10/10/1989. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                NE 24th Ave. / Thompson St. (45.53896, -122.64110)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 56.8845  | 
            
                Other (At-Grade) Single-Lane  |   
            1989 | Completed 10/10/1989. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                NE 24th Ave. / Tillamook St. (45.53741, -122.64110)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 56.0495  | 
            
                Other (At-Grade) Single-Lane  |   
            1989 | Completed 10/10/1989. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                NE 21st Ave. / Thompson St. (45.53898, -122.64420)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 34.2980  | 
            
                Other (At-Grade) Single-Lane  |   
            1989 | Completed 10/10/1989. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                NE 21st Ave. / Brazee St. (45.54051, -122.64420)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 86.9974  | 
            
                Other (At-Grade) Single-Lane  |   
            1989 | Completed 10/10/1989. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                NE 37th Ave. / Morris St. / Wisteria St. (45.54467, -122.62500)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 16.7290  | 
            
                Other (At-Grade) Single-Lane  |   
            1986 | Completed 12/23/1986. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                NE 37th Ave. / Brazee St. (45.54057, -122.62500)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 119.6213  | 
            
                Other (At-Grade) Single-Lane  |   
            1987 | Completed 10/16/1987. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                NE 37th Ave. / Thompson St. (45.53904, -122.62500)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 94.5285  | 
            
                Other (At-Grade) Single-Lane  |   
            1987 | Completed 11/16/1987. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 32nd Ave. / SE Lincoln St. (45.50825, -122.63270)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 12.5549  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 4/25/1990. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 30th Ave. / SE Caruthers St. (45.50550, -122.63470)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 78.6812  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 4/23/1990. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 31st Ave. / SE Clinton St. (45.50354, -122.63360)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 14.2301  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 6/22/1990. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 23rd Ave. / SE Clinton St. (45.50339, -122.64260)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 31.8085  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 6/22/1990. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 37th Ave. / SE Lincoln St. (45.50806, -122.62570)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 15.0659  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 4/25/1990. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 43rd Ave. / SE Lincoln St. (45.50799, -122.61810)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 22.5989  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 4/23/1990. ICD estimated from Google Maps linework. | 
| 
                Portland,
                OR Multnomah Co. United States  | 
            
                SE 51st Ave. / SE Lincoln St. (45.50803, -122.61000)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 15.0659  | 
            
                Other (At-Grade) Single-Lane  |   
            1990 | Completed 4/23/1990. ICD estimated from Google Maps linework. | 
| 
                Jensen Beach,
                FL Martin Co. United States  | 
            
                SR 707 / Pineapple Dr. / Jensen Beach Causeway (27.25074, -80.22818)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.7914  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | RT only lanes entering roundabout on two approaches. ICD estimated from Google Maps linework. | 
| 
                Brighton,
                MI Livingston Co. United States  | 
            
                Village Place Blvd. / Green Oak Dr. / Fieldcrest Dr. (42.50573, -83.75296)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2006 | |
| 
                Brighton,
                MI Livingston Co. United States  | 
            
                Village Place Blvd. / Green Oak Ave. (42.50698, -83.75462)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | ICD estimated from Google Earth. |