| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Boston,
                MA Suffolk Co. United States | Old Colony Ave. / Columbia Rd. / Southampton St. (42.32935, -71.05222) | Rotary Existing | Unknown Unknown | 5 Approaches 0 Driveways 66.2213 | Other (At-Grade) Multilane (2 Lane, unspecified) | Functional Class: Arterial 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. | |
| Springfield,
                OR Lane Co. United States | Hayden Bridge Way / Pioneer Pkwy. / Wayside Ln. (44.07090, -123.02880) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 5 Approaches 0 Driveways 52.3441 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | http://www.registerguard.com/news/2006/09/21/a1.roundabout.0921.p1.php?section=cityregion Prior configuration was an offset T with Wayside east of Pioneer Parkway East. M L King Parkway did not exist. 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. | 
| 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. | 
| Mesa,
                AZ Maricopa Co. United States | Brown Rd. / Loop 202 SB Ramps (33.43689, -111.65280) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 42.8563 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2007 | ICD estimated from Google Maps linework. | 
| Mesa,
                AZ Maricopa Co. United States | Brown Rd. / Loop 202 NB Ramps (33.43694, -111.64850) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 47.8396 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2007 | 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. | 
| Sedona,
                AZ Coconino Co. United States | AZ 89A / Brewer Rd. (34.86599, -111.76500) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 37.2376 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 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). | 
| 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. | 
| 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. | 
| West Roxbury,
                MA Suffolk Co. United States | W. Roxbury Pkwy. / Lagrange St. / Newton St. / Hammond Pond Pkwy. / Hammond St. (42.31049, -71.16329) | Rotary Existing | All-Way Yield Unknown | 5 Approaches 1 Driveways 72.4235 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | Retrofitted in 2014 with the pavement markings. ICD estimated from Google Maps linework. Lacks entry deflection on multiple legs, intersection sight distance. | 
| 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. | |
| Edmonton,
                AB Edmonton Capital Region Canada | Connors Rd. NW / 85th St. NW / 83rd St. NW / 90th Ave. NW (53.52501, -113.45750) | Rotary Removed | Unknown Unknown | 5 Approaches 0 Driveways 25.5598 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | Rotary converted to signalized intersection in 2019 to make way for LRT. https://edmontonjournal.com/news/local-news/love-it-or-hate-it-bonnie-doon-traffic-circle-to-be-removed-in-favour-of-four-way-intersection/ | 
| 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/ | 
| Kingston,
                RI Washington Co. United States | Kingstown Rd. / Point Judith Rd. (41.43422, -71.48238) | Rotary Existing | Unknown Unknown | 3 Approaches 0 Driveways 81.4821 | Other (At-Grade) Multilane (2 Lane, unspecified) | Functional Class: Arterial ICD estimated from Google Maps linework. | |
| Quincy,
                MA Norfolk Co. United States | Washington St (Rte 3A) / Dee Rd (42.24553, -70.97224) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 66.3095 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | Rotary update ICD estimated from Google Maps linework. | 
| Hingham,
                MA Plymouth Co. United States | Rte. 3A (Summer St.) / Chief Justic Cushing Hwy. / Green St. (42.24615, -70.88130) | Rotary Existing | Unknown Unknown | 4 Approaches 0 Driveways 60.1200 | Other (At-Grade) Multilane (2 Lane, unspecified) | Functional Class: Arterial ICD estimated from Google Maps linework. | |
| Lakeville,
                MA Plymouth Co. United States | Rte. 44 / Rte. 28 / Rte. 18 (41.90274, -70.95914) | Rotary Existing | Unknown Unknown | 5 Approaches 0 Driveways 106.6697 | Other (At-Grade) Multilane (2 Lane, unspecified) | Functional Class: Arterial ICD estimated from Google Maps linework. | |
| Bourne,
                MA Barnstable Co. United States | US 6 / Rte. 28 (Main St.) (41.74607, -70.61805) | Rotary Existing | Unknown Unknown | 4 Approaches 0 Driveways 92.6736 | Other (At-Grade) Multilane (2 Lane, unspecified) | Functional Class: Arterial ICD estimated from Google Maps linework. | |
| Riverhead,
                NY Suffolk Co. United States | Flanders Rd. (Rte. 24) / Peconic Ave. / Lake Ave. / Riverleigh Ave. (40.91461, -72.66277) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 58.6650 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | Converted from rotary to roundabout in 2018. https://riverheadlocal.com/2018/10/26/its-been-a-long-road-to-a-new-roundabout-in-riverside-but-its-officially-completed/. ICD estimated from Google Maps linework. | 
| Ottawa,
                ON City of Ottawa Canada | Prince of Wales Dr. / National Capital Com Driveway (45.39028, -75.70744) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 40.2598 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | Converted old circle. ICD estimated from Google Maps linework. | 
| Brighton,
                CO Adams Co. United States | W. Bridge St. / US 85 NB Ramps (39.98683, -104.82320) | Roundabout Existing | Unknown Unknown | 3 Approaches 0 Driveways 43.0090 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2006 | Part of double-dumbbell interchange with two roundabouts and one storage lane into railroad crossing. ICD estimated from Google Maps linework. | 
| Brighton,
                CO Adams Co. United States | W. Bridge St. / US 85 SB Ramps (39.98682, -104.82450) | Roundabout Existing | Unknown Unknown | 5 Approaches 0 Driveways 43.9241 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2006 | Part of double-dumbbell interchange with two roundabouts and one storage lane into railroad crossing. 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. | |
| Columbine,
                CO Jefferson Co. United States | S. Simms St. / Nelson St. (39.64159, -105.12910) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 38.6271 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2003 | Right turn bypass lanes on three legs. ICD estimated from Google Maps linework. | 
| Owatonna,
                MN Steele Co. United States | CSAH 7 / TH 14 WB Ramps (44.05998, -93.27671) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1964 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2012 | ICD estimated from Google Maps linework. | 
| Monticello,
                MN Wright Co. United States | CSAH 18 (Fenning Ave.) / Meadow Oak Ave. (45.28698, -93.77066) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.9722 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Fairbanks,
                AK Fairbanks North Star United States | Gaffney Rd. / Fort Wainwright Base Entrance Station (64.83323, -147.69920) | Other Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.5999 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | Implemented as security measure for base entrance. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Mount Horeb,
                WI Dane Co. United States | Springdale St. / Perimeter St. (43.01009, -89.72186) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.5667 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Mount Horeb,
                WI Dane Co. United States | Springdale St. / Brookwood Dr. (43.00978, -89.71380) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.8068 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Mount Horeb,
                WI Dane Co. United States | Springdale St. / Telmark Pkwy. (43.00933, -89.71098) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 50.6540 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Mount Horeb,
                WI Dane Co. United States | Springdale St. / Ridgeview Rd. / Lillehammer Ln. (43.00663, -89.70390) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.4418 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Mount Horeb,
                WI Dane Co. United States | Springdale St. / STH 78 / STH 92 (43.01007, -89.73044) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.9333 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Madison,
                WI Dane Co. United States | Thompson Dr. / STH 30 EB Off-Ramp (43.10506, -89.30066) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 34.0073 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | Opened October 22, 2004. ICD estimated from Google Maps linework. | 
| Madison,
                WI Dane Co. United States | Thompson Dr. / STH 30 WB On-Ramp / Commercial Ave. (43.10643, -89.30084) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.9822 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | Opened October 22, 2004. ICD estimated from Google Maps linework. | 
| Rehoboth Beach,
                DE Sussex Co. United States | Rehoboth Ave. / Grove St. (38.71501, -75.09075) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.6163 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2003 | Yield-controlled right-turn bypass lane on SB approach. Fishhook pavement markings. Heavy bicycle and pedestrian traffic. Extensive queuing with beach-related surges. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| West Bloomfield Township,
                MI Oakland Co. United States | W. Maple Rd. / Drake Rd. (42.54184, -83.39996) | Roundabout Existing | All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK) | 4 Approaches 0 Driveways 62.4773 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Subject of ADA lawsuit. ICD estimated from Google Maps linework. | 
| West Bloomfield Township,
                MI Oakland Co. United States | W. Maple Rd. / Farmington Rd. (42.54241, -83.38035) | Roundabout Existing | All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK) | 4 Approaches 0 Driveways 62.4767 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | ICD estimated from Google Maps linework. | 
| Charlemagne,
                QC Lanaudière Region Canada | Rte 138 (Rue Sherbrooke) / Rue Notre Dame (45.69860, -73.48427) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 43.3762 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Functional Class: Arterial. Year Completed estimated (2005-2008). Right-turn bypass lane on north leg. ICD estimated from Google Maps linework. | 
| Gatineau,
                QC Outaouais Region Canada | Blvd. St.-Laurent / Rue Demontigny (45.43223, -75.73618) | Roundabout Existing | All-Way Yield Pedestrian Signal (red-yellow-green to drivers) | 4 Approaches 0 Driveways 31.0105 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Gatineau,
                QC Outaouais Region Canada | Blvd. St.-Laurent / Rue Labelle (45.43235, -75.74150) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 31.0105 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Houston,
                TX Harris Co. United States | Washington Ave. / Westcott St. / Arnot St. (29.77107, -95.42352) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8637 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | http://www.chron.com/disp/story.mpl/metropolitan/moveit/4660312.html | 
| Waterloo,
                ON Regional Municipality of Waterloo Canada | Townline Rd. / Can-Amera Pkwy. (43.41154, -80.28042) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2003 | Year Completed estimated (2002-2004). | 
| Plainfield,
                IN Hendricks Co. United States | Center St. / Hadley Rd. (39.67456, -86.38951) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | http://www.indystar.com/apps/pbcs.dll/article?AID=/20071003/LOCAL/710030465/-1/LOCAL17 ICD estimated from Google Maps linework. | 
| Bellingham,
                WA Whatcom Co. United States | Cordata Pkwy. / Westerly Dr. (48.79198, -122.49140) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.4068 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | http://cob.org/documents/pw/curconst/ES-0237.pdf Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Olympia,
                WA Thurston Co. United States | Olympic Way NW / 4th Ave. W / 5th Ave. W (47.04422, -122.91200) | Roundabout Existing | All-Way Yield Active Pedestrian Warning (flashing yellow) | 4 Approaches 0 Driveways 38.2512 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | Opened March 2004. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Olympia,
                WA Thurston Co. United States | Olympic Way NW / Harrison Ave. NW / W Bay Dr. NW (47.04582, -122.91330) | Roundabout Existing | All-Way Yield Active Pedestrian Warning (flashing yellow) | 3 Approaches 0 Driveways 34.9947 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | Opened March 2004. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Abbotsford,
                BC Fraser Valley Regional District Canada | Mt Lehman Rd. / S Fraser Way (49.05355, -122.38119) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | Year Completed estimated (2004-2006). | 
| Ann Arbor,
                MI Washtenaw Co. United States | Maple Rd. / M-14 EB Ramps (42.29992, -83.78104) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.7680 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2007 | |
| Ann Arbor,
                MI Washtenaw Co. United States | Maple Rd. / M-14 WB Ramps (42.30178, -83.78112) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 159.9999 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2007 | |
| Walled Lake,
                MI Oakland Co. United States | Loop Rd. / Commerce Crossing Dr. (42.53542, -83.44801) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 49.2829 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Next to Costco retail center and gas station. ICD estimated from Google Maps linework. | 
| Hillard,
                OH Franklin Co. United States | Britton Pkwy. / Davidson Rd. (40.04977, -83.13399) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Modified striping to remove fishhooks in 2019. | 
| Mont-Tremblant,
                QC Laurentides Region Canada | Montee Ryan / Chemin Duplessis (46.20699, -74.59426) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 44.1960 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2002 | Opened fall 2002. | 
| Surrey,
                BC Greater Vancouver Regional District Canada | 8 Ave. / Hwy 99 NB Ramps (49.01694, -122.75800) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.4645 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2005 | ICD estimated from Google Maps linework. | 
| South Jordan,
                UT Salt Lake Co. United States | River Front Pkwy. / 10750 South (40.55468, -111.91360) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 108.8921 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| South Jordan,
                UT Salt Lake Co. United States | River Front Pkwy. / 11050 South (40.55050, -111.91690) | Roundabout Existing | Unknown Unknown | 3 Approaches 0 Driveways 52.6345 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| South Jordan,
                UT Salt Lake Co. United States | Daybreak View Pkwy. (11400 South) / Kestrel Ridge Rd. (40.54686, -111.99760) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 133.4084 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| South Jordan,
                UT Salt Lake Co. United States | Daybreak View Pkwy. (11400 South) / Oakmond Rd. (40.54534, -112.00610) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 60.8066 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Sheboygan,
                WI Sheboygan Co. United States | STH 42 / I-43 NB Ramps (43.79261, -87.76325) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.0714 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2007 | Opened November 2007. http://www.sheboygan-press.com/apps/pbcs.dll/article?AID=/20071028/SHE0101/710280468/1973 ICD estimated from Google Maps linework. | 
| Sheboygan,
                WI Sheboygan Co. United States | STH 42 / I-43 SB Ramps (43.79406, -87.76523) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 43.9673 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2007 | Opened November 2007. http://www.sheboygan-press.com/apps/pbcs.dll/article?AID=/20071028/SHE0101/710280468/1973 ICD estimated from Google Maps linework. | 
| Sheboygan,
                WI Sheboygan Co. United States | STH 42 / Vanguard Dr. (Walmart entrance) (43.79655, -87.76846) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 46.5517 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Opened November 2007. Roundabout serves Wal-mart retail center. http://www.sheboygan-press.com/apps/pbcs.dll/article?AID=/20071028/SHE0101/710280468/1973 Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Covington,
                WA King Co. United States | SE 256th St. / 164th Ave. SE (47.37256, -122.12290) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.1477 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Open September 2007. ICD estimated from Google Maps linework. | 
| Marysville,
                WA Snohomish Co. United States | Shoultes Rd. / 51st Ave. NE / 108th St. NE (48.09268, -122.16210) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 29.5158 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Opened September 2006. ICD estimated from Google Maps linework. | 
| Marysville,
                WA Snohomish Co. United States | 34th Ave. NE / Quil Ceda Blvd. (48.10637, -122.18610) | Roundabout Existing | Unknown Unknown | 3 Approaches 0 Driveways 35.0906 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Opened May 2007. ICD estimated from Google Maps linework. | 
| Chehalis,
                WA Lewis Co. United States | NW Louisiana Ave. / Wal-Mart-Home Depot Access (46.67881, -122.97600) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.3319 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Opened September 2006. Fourth leg opened late 2015/early 2016. ICD estimated from Google Maps linework. | 
| Davidson,
                NC Mecklenburg Co. United States | Griffith St. / Davidson Gateway Dr. (35.50277, -80.86375) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 36.9469 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Built by developer - multilane existing intersection. ICD estimated from Google Maps linework. | 
| Davidson,
                NC Mecklenburg Co. United States | Griffith St. / Jetton St. (35.50210, -80.86121) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 39.8641 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Built by developer - multilane existing intersection. ICD estimated from Google Maps linework. | 
| Reno,
                NV Washoe Co. United States | Neill Rd. / Kietzke Ln. (39.46721, -119.79120) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 52.5545 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | ICD estimated from Google Maps linework. | 
| Conway,
                AR Faulkner Co. United States | Prince St. / Western Ave. (35.09203, -92.45590) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.7935 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Located at Entrance to High School Complex Previously controlled by two way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Slingerlands,
                NY Albany Co. United States | Rte. 85 / Rte. 140 (42.63699, -73.85594) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 54.4744 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Slingerlands,
                NY Albany Co. United States | Rte. 85 / Maher Rd. (42.64485, -73.85257) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 54.4675 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Slingerlands,
                NY Albany Co. United States | Rte. 85 / Blessing Rd. (42.64893, -73.84798) | Roundabout Existing | Unknown Unknown | 3 Approaches 0 Driveways 47.4364 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Slingerlands,
                NY Albany Co. United States | Rte. 85 / Vista Blvd. (42.64012, -73.85937) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.3217 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Coopersville,
                MI Ottawa Co. United States | 68th Ave. / Randall St. (43.05976, -85.95670) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 38.3956 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | Rocky Mountain Ave. / Medical Center of the Rockies South (40.41537, -105.00150) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 40.0100 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | Rocky Mountain Ave. / Medical Center of the Rockies North (40.41752, -105.00030) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 47.2831 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | Rocky Mountain Ave. / Kendall Pkwy. / Artisan Dr. (40.42604, -105.00249) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 51.8230 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | ICD estimated from Google Maps linework. | 
| Englewood,
                CO Arapahoe Co. United States | Englewood Pkwy. / S. Cherokee St. (39.65491, -104.99110) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 41.3782 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2000 | ICD estimated from Google Maps linework. | 
| Santa Maria,
                CA Santa Barbara Co. United States | S. College Dr. / Southside Pkwy. (34.92111, -120.42530) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.0676 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2001 | No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Santa Maria,
                CA Santa Barbara Co. United States | S. College Dr. / E. McCoy Ln. (34.91648, -120.42510) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8427 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2001 | No circulatory roadway striping. Fatal crash October 15, 2009. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Santa Maria,
                CA Santa Barbara Co. United States | S. Bradley Rd. / Southside Pkwy. (34.92075, -120.42200) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.0056 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2001 | No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Santa Maria,
                CA Santa Barbara Co. United States | S. Bradley Rd. / E. McCoy Ln. (34.91219, -120.42160) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 52.8868 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2002 | No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Armdale,
                NS Halifax Regional Municipality Canada | Chebucto Rd. / Quinpool Rd. / Herring Cove Rd. / St. Margaret's Bay Rd. / Joseph Howe Dr. (44.64159, -63.62042) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 70.5321 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | Old rotary that was converted to roundabout rules of road in 2005. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Waterloo,
                ON Waterloo Regional Municipality Canada | Ira Needles Blvd. / Erb St. (43.44632, -80.57117) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 49.4250 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | Fishhook pavement markings. Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Woolwich,
                ON Waterloo Regional Municipality Canada | Arthur St. / Sawmill Rd. (43.54355, -80.54693) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 60.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | |
| Kitchener,
                ON Waterloo Regional Municipality Canada | Ira Needles Blvd. / Highland Rd. (43.42294, -80.55246) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 83.2743 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Fishhook pavement markings. Series of five roundabouts. ICD estimated from Google Maps linework. | 
| Kitchener,
                ON Waterloo Regional Municipality Canada | Ira Needles Blvd. / Highview Dr. (43.41460, -80.55273) | Roundabout Existing | Unknown Unknown | 3 Approaches 0 Driveways 45.1131 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Fishhook pavement markings. Series of five roundabouts. ICD estimated from Google Maps linework. | 
| Cambridge,
                ON Waterloo Regional Municipality Canada | Can-Amera Pkwy. / Conestoga Blvd. (43.39012, -80.31281) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 50.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2005 | |
| Kitchener,
                ON Waterloo Regional Municipality Canada | Ira Needles Blvd. / Victoria St. S. (43.42872, -80.55302) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 46.8373 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Fishhook pavement markings. Series of five roundabouts. ICD estimated from Google Maps linework. | 
| Kitchener/Waterloo,
                ON Waterloo Regional Municipality Canada | Ira Needles Blvd. / University Ave. (43.43700, -80.55984) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 53.7688 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Fishhook pavement markings. Series of five roundabouts. ICD estimated from Google Maps linework. | 
| North Bend,
                WA King Co. United States | SR 202 / I-90 EB Ramps (47.48782, -121.79730) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 41.9673 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2007 | Opened November 2007. ICD estimated from Google Maps linework. |