Roundabouts Database Index

28859 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.

City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Portland, OR Multnomah Co. United States	SE Ladd Circle (45.50850, -122.64940)	Other Existing	Unknown None	0 Approaches 0 Driveways 92.0689	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 41st Ave. / SE Harrison St. (45.50878, -122.62020)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 80.3506	Other (At-Grade) Single-Lane	1990	Completed 5/30/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 37th Ave. / SE Harrison St. (45.50879, -122.62572)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 80.3506	Other (At-Grade) Single-Lane	1990	Completed 9/14/1990. ICD estimated from Google Maps linework.
Rice Lake, WI Barron Co. United States	STH 48 (W Knapp St.) / US 53 NB Ramps (45.50926, -91.76067)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Single-Lane	2020	Yield-controlled right-turn bypass lane on east leg. https://www.apg-wi.com/rice_lake_chronotype/free/traffic-changes-around-us-53-wis-48-interchange-in-rice-lake-coming-in-october/article_4e8de952-0334-11eb-a7de-678b8ff263bc.html
Rice Lake, WI Barron Co. United States	STH 48 (21st Ave - Knapp St.) / US 53 SB Ramps (45.50932, -91.76298)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Single-Lane	2020	Yield-controlled right-turn bypass lane on west leg. https://www.apg-wi.com/rice_lake_chronotype/free/traffic-changes-around-us-53-wis-48-interchange-in-rice-lake-coming-in-october/article_4e8de952-0334-11eb-a7de-678b8ff263bc.html
Rice Lake, WI Barron Co. United States	STH 48 (21st Ave.) / West Ave. / 19th St. (45.50939, -91.76507)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Single-Lane	2020	https://www.apg-wi.com/rice_lake_chronotype/free/traffic-changes-around-us-53-wis-48-interchange-in-rice-lake-coming-in-october/article_4e8de952-0334-11eb-a7de-678b8ff263bc.html
Portland, OR Multnomah Co. United States	SE Ladd Ave. / SE Palm St. (45.51025, -122.65144)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 40.1743	Other (At-Grade) Single-Lane	1993	Completed 11/8/1993. ICD estimated from Google Maps linework.
North Branch, MN Chisago Co. United States	Saint Croix Trl. / Hemingway Ave. (45.51215, -92.96449)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2020	https://www.youtube.com/watch?v=LaY0G3mUI5g
Portland, OR Multnomah Co. United States	SE 13th Ave. / SE Madison St. (45.51294, -122.65266)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 12.5539	Other (At-Grade) Single-Lane	1988	Completed 9/8/1988. ICD estimated from Google Maps linework.
Montreal, QC Montreal Canada	Boulevard des Sources / Boulevard Riverdale / Rue Debours (45.51300, -73.82524)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.0000	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004).
Portland, OR Multnomah Co. United States	SE 14th Ave. / SE Main St. (45.51365, -122.65165)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 15.9013	Other (At-Grade) Single-Lane	1988	Completed 9/12/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 27th Ave. / SE Salmon St. (45.51429, -122.63812)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 29.2916	Other (At-Grade) Single-Lane	1982	Completed 2/16/1982. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 13th Ave. / SE Salmon St. (45.51434, -122.65264)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 17.5750	Other (At-Grade) Single-Lane	1989	Completed 1/11/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 16th Ave. / SE Salmon St. (45.51435, -122.64961)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 15.0642	Other (At-Grade) Single-Lane	1982	Completed 2/18/1982. ICD estimated from Google Maps linework.
St Cloud, MN Stearns Co. United States	Southway Dr. / 33rd St. S (45.51497, -94.16423)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.4971	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
St Cloud, MN Stearns Co. United States	33rd St. S / Cooper Ave. S (45.51500, -94.17814)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Year Completed estimated (2016-2019).
Portland, OR Multnomah Co. United States	SE 14th Ave. / SE Taylor St. (45.51507, -122.65166)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 17.5747	Other (At-Grade) Single-Lane	1988	Completed 9/12/1988. ICD estimated from Google Maps linework.
St Cloud, MN Stearns Co. United States	33rd St S. / Oak Grove Rd. (CR 136) (45.51515, -94.19881)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2020	Year Completed estimated (2020-2021).
St Cloud, MN Stearns Co. United States	33rd St. S / CTH 74 (45.51541, -94.21938)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.3550	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
St Cloud, MN Stearns Co. United States	Granite Pkwy. (33rd St. S) / STH 15 NB Ramps (45.51547, -94.22494)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.0287	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Waite Park, MN Stearns Co. United States	Granite Pkwy. (33rd St. S) / STH 15 SB Ramps (45.51553, -94.22784)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.1918	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Waite Park, MN Stearns Co. United States	Granite View Rd. / Granite Pkwy. (33rd St. S) (45.51555, -94.22987)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.8442	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Piran, Piran Slovenia	SR 111 / SR 629 (Koprska cesta) (45.51676, 13.60181)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Portland, OR Multnomah Co. United States	SE 15th Ave. / SE Alder St. (45.51792, -122.65058)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 15.9001	Other (At-Grade) Single-Lane	1988	Completed 9/7/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 15th Ave. / SE Oak St. (45.52006, -122.65057)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 23.4309	Other (At-Grade) Single-Lane	1988	Completed 9/6/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 14th Ave. / SE Pine St. (45.52077, -122.65158)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 15.0625	Other (At-Grade) Single-Lane	1988	Completed 9/12/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 16th Ave. / SE Ash St. (45.52148, -122.64956)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 22.5935	Other (At-Grade) Single-Lane	1988	Completed 10/7/1988. ICD estimated from Google Maps linework.
Gatineau, QC Outaouais Region Canada	Rte. 148 / Rue des Laurentides (45.52187, -75.49563)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 23.4301	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Everett St. / NE 108th St. (west) (45.52447, -122.55243)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2021	Part of a double mini-roundabout. https://bikeportland.org/2022/01/13/video-a-closer-look-at-pbots-three-new-roundabouts-on-ne-108th-343711.
Portland, OR Multnomah Co. United States	NE Everett St. / NE 108th Ave. (east) (45.52447, -122.55223)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2021	Part of a double mini-roundabout. https://bikeportland.org/2022/01/13/video-a-closer-look-at-pbots-three-new-roundabouts-on-ne-108th-343711.
Hampton, NB Kings Canada	Main St. / Centennial Rd. / Crawford St. (45.52585, -65.82720)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.9998	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Cesar E Chavez Blvd. (NE 39th Ave.) / NE Glisan St. (45.52640, -122.62300)	Other Existing	All-Way Stop None	4 Approaches 0 Driveways 68.6113	Other (At-Grade) Multilane (2 Lane, unspecified)		Stop-controlled entries into circle. Bus stop within circulatory roadway. Historical rotary with stop control. ICD estimated from Google Maps linework.
Forest Grove, OR Washington Co. United States	OR 47 / Martin Rd. (45.52663, -123.08434)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 56.3877	Other (At-Grade) Single-Lane	2024	https://www.washingtoncountyor.gov/lut/projects/martin-road-highway-47
Longueuil, QC Longueuil Canada	Boulevard Vauquelin / Rue du R-100 (45.52801, -73.43090)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.3451	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Fourth leg stubbed. Concentric circulatory roadway striping. https://www.facebook.com/VilleDeLongueuil/photos/carrefours-giratoires-un-carrefour-giratoire-entrera-bientôt-en-service-à-linter/872242556120053/ ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 108th St. / NE Oregon St. (45.52814, -122.55147)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2021	https://bikeportland.org/2022/01/13/video-a-closer-look-at-pbots-three-new-roundabouts-on-ne-108th-343711.
Hillsboro, OR Washington Co. United States	NE Veterans Dr. / NE 34th Ave. (45.52864, -122.94667)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.9575	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
North Branch, MN Chisago Co. United States	Fletcher Ave. / 402nd St. (45.53020, -92.98534)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.3233	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 25th Ave. / NW Marshall St. (45.53040, -122.70270)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 62.7498	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 53rd Ave. / NE Hassalo St. (45.53048, -122.60880)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 35.1398	Other (At-Grade) Single-Lane	1988	Completed 11/3/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Imperial Ave. / NE Multnomah St. (45.53154, -122.62719)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 74.4616	Other (At-Grade) Single-Lane	1987	Completed 10/22/1987. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 25th Ave. / NW Overton St. (45.53190, -122.70270)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 44.3420	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Clackamas St. / NE 53rd Ave. (45.53300, -122.60880)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 30.1185	Other (At-Grade) Single-Lane	1988	Completed 11/3/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 25th Ave. / NW Quimby St. (45.53328, -122.70277)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	3 Approaches 0 Driveways 15.8958	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 27th Ave. / NW Raleigh St. (45.53395, -122.70680)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 10.0393	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 26th Ave. / NW Raleigh St. (45.53397, -122.70479)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 19.2420	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. 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.
St-Bruno-de-Montarville, QC Longueuil Canada	Rue de Montarville / Rang des Vingt Cinq (45.53776, -73.35711)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 20.9139	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE US Grant Pl. / NE 36th Ave. (45.53777, -122.62601)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 40.1546	Other (At-Grade) Single-Lane	1989	Completed 10/11/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE US Grant Pl. / NE 35th Ave. (45.53779, -122.62841)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 14.2214	Other (At-Grade) Single-Lane	1989	Completed 10/11/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Tillamook St. (W) (45.53790, -122.65861)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 83.6552	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. ICD estimated from Google Maps linework.
Hillsboro, OR Washington Co. United States	NE Butler St. / NE 65th Ave. (45.53838, -122.91368)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.1349	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
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 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.
Hillsboro, OR Washington Co. United States	NE Jackson School Rd. / NE Harewood St. (45.53898, -122.97965)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2021
Forest Grove, OR Washington Co. United States	OR Hwy 47 / David Hill Rd. (45.53898, -123.10728)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.1922	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 47th Ave. / NE Thompson St. (45.53903, -122.61496)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 18.4038	Other (At-Grade) Single-Lane	1990	Completed 9/25/1990. 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	NE 7th Ave. / NE Sacramento St. (45.53955, -122.65862)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 121.2965	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. 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 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 47th Ave. / NE Brazee St. (45.54056, -122.61496)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 34.2970	Other (At-Grade) Single-Lane	1990	Completed 9/25/1990. 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.
St-Bruno-de-Montarville, QC Longueuil Canada	Montée Montarville / Rang des Vingt-Cinq E / Rue de Montarville (45.54083, -73.35725)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.3350	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Russell St. (45.54126, -122.65861)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 161.4450	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Graham St. (45.54296, -122.65859)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 161.4401	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. ICD estimated from Google Maps linework.
Koper, Koper Slovenia	Ljubljanska cesta / Ferrarska ulica (45.54332, 13.73102)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 60.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Turbo roundabout. https://e-zbornik.gf.sum.ba/images/radovi//e_zbornik_03_01.pdf
Hillsboro, OR Washington Co. United States	NE Parks Edge Circle (45.54391, -122.97050)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
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 7th Ave. / NE Morris St. (45.54468, -122.65860)	Traffic Calming Circle Removed	One-Way/Two-Way Stop None	3 Approaches 0 Driveways 128.8135	Other (At-Grade) Single-Lane	2013	Neighborhood traffic circle was installed 1/9/1992. Removed in 2013 as part of upgrades to the Neighborhood Greenway. Added speed humps nearby. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Fremont Dr. / NE 86th Ave. (45.54567, -122.57478)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 25.0931	Other (At-Grade) Single-Lane	1986	Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Fremont Dr. / NE Dyer St. (45.54603, -122.57509)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 29.2751	Other (At-Grade) Single-Lane	1986	Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Fremont Dr. / NE Duddleson St. (45.54667, -122.57574)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 33.4569	Other (At-Grade) Single-Lane	1986	Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Cook St. (45.54717, -122.65859)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 17.5647	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. ICD estimated from Google Maps linework.
Forest Grove, OR Washington Co. United States	OR Hwy 47 / Verboort Rd. / Purdin Rd. (45.54784, -123.10578)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.5115	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Saint Cloud, MN Stearns Co. United States	University Dr. S / 5th Ave. S (45.54947, -94.15455)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.1097	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Waite Park, MN Stearns Co. United States	2nd St. S / 28th Ave. S (45.55043, -94.25501)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2021).
(unincorporated), OR Washington Co. United States	NW Verboort Rd. / Martin Rd. (45.55150, -123.07350)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.0173	Other (At-Grade) Single-Lane	2003	Reverse curves on approaches. Designed as multilane roundabout, striped-out inner circulatory and entry/exit lanes. ICD estimated from Google Maps linework.
(unincorporated), OR Washington Co. United States	NW Verboort Rd. / Cornelius-Shefflin Rd. (45.55150, -123.06410)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 52.6900	Other (At-Grade) Single-Lane	2003	Reverse curves on approaches. Designed as multilane with striped-out inner circulating and entry/exit lanes. ICD estimated from Google Maps linework.
Montreal, QC Montreal Canada	Avenue Pierre-de Coubertin / Avenue Desjardins (45.55450, -73.55120)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	2021
Osijek, Osijek-Baranja Croatia	Adama Reisnera / Županijska / Vinkovačka cesta / Svetog Leopolda Bogdana Mandića (45.55453, 18.67527)	Other Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Trams through central island.
Montreal, QC Montreal Canada	Avenue Pierre-de Coubertin / Rue Leclaire (45.56049, -73.54725)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.0000	Other (At-Grade) Single-Lane	2022	https://journalmetro.com/local/2986842/un-carrefour-giratoire-trop-dangereux-pour-les-cyclistes-et-les-pietons/
Portland, OR Multnomah Co. United States	NE Holman St. / NE 34th Ave. (45.56826, -122.62965)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 159.6952	Other (At-Grade) Single-Lane	1988	Completed 10/28/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Holman St. / NE 37th Ave. (45.56826, -122.62557)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	1988	Completed 10/28/1988.
Portland, OR Multnomah Co. United States	NE Holman St. / NE 41st St. (45.56858, -122.62172)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 81.9374	Other (At-Grade) Single-Lane	1988	Completed 10/28/1988. ICD estimated from Google Maps linework.
Stellarton, NS Pictou Canada	Foord St. / Highway 104 EB Ramps / Lawrence Blvd. (45.56897, -62.65945)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.8541	Freeway Ramps (Grade-Separated) Single-Lane	2010	ICD estimated from Google Maps linework.
Ilirska Bistrica, Ilirska Bistrica Slovenia	SR 6 (Gregorčičeva cesta - Vilharjeva cesta) / SR 404 (Šercerjeva cesta) / Ulica Toneta Tomšiča (45.57164, 14.24067)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Portland, OR Multnomah Co. United States	NE Cascades Pkwy. / (parking) (45.57191, -122.55594)	Other Existing	Other Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)
Hillsboro, OR Washington Co. United States	NW Jackson School Rd. / NW Scotch Church Rd. / NW Meek Rd. (45.57257, -122.96991)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.4901	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Princeton, MN Mille Lacs Co. United States	TH 95 / CSAH 29 (Rum River Dr.) (45.57405, -93.58005)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2927	Other (At-Grade) Single-Lane	2010	Right-turn-only lanes on all four approaches. ICD estimated from Google Maps linework.
Washougal, WA Clark Co. United States	SR 14 / S 32nd St. (45.57443, -122.33692)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.1284	Other (At-Grade) Unknown	2019	Completed Summer 2019 (WSDOT). ICD estimated from Google Maps linework.
Washougal, WA Clark Co. United States	SR 14 / 15th St. (Washougal River Rd.) (45.57665, -122.35617)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2591	Other (At-Grade) Single-Lane	2019	Completed Summer 2019 (WSDOT). If needed will be converted in the future to multilane and has built in concrete joint lines in the splitter islands and central island truck apron. ICD estimated from Google Maps linework.
Princeton, MN Mille Lacs Co. United States	STH 95 / 21st Ave. N (CR 39) (45.57682, -93.60428)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 44.3066	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Mt. Hood Ave. / Frontage Rd. / PDX Airport Economy Blue Lot / PDX Airport Economy Red Lot (45.57770, -122.55950)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.7822	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
St Cloud, MN Stearns Co. United States	CR 134 / Pine Cone Rd. (45.57824, -94.21952)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.9302	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Washougal, WA Clark Co. United States	SE Union St. / Front St. (45.57985, -122.38560)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.4371	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Washougal, WA Clark Co. United States	SE Port St. / Front St. (45.58009, -122.37780)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.4214	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Beloeil, QC La Vallée-du-Richelieu Regional County Municipality Canada	Boulevard Yvon-l'Heureux N / Rue Saint-Jean-Baptiste (45.58079, -73.21466)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.1239	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2005-2009). ICD estimated from Google Maps linework.
Washougal, WA Clark Co. United States	SE Union St. / 8th Ave. (45.58089, -122.38580)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.9288	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Washougal, WA Clark Co. United States	SE Port St. / C St. (45.58099, -122.37780)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2878	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Monza, Lombardy Monza e Brianza Italy	Viale Gian Battista Stucchi / SP13 (Viale Sicilia) (45.58111, 9.30967)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)