Roundabouts Database Index

28782 Results

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City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Ottawa, ON City of Ottawa Canada	Ruskin St. / Melrose Ave. / Reid Ave. / Laurentian Pl. (45.39478, -75.71996)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 31.0311	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Sherbrooke, QC Sherbrooke Canada	Boulevard Industriel / Boulevard de Portland / Boulevard René-Lévesque (45.39569, -71.98464)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.5133	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Grade-separated path for pedestrians and bicyclists: https://translate.google.com/translate?hl=en&sl=fr&u=https://www.ville.sherbrooke.qc.ca/salle-de-presse/actualites/dossiers-municipaux/prolongement-du-boulevard-de-portland/ Connected to Boulevard René-Lévesque in 2018: https://translate.google.com/translate?hl=en&sl=fr&u=https://www.ville.sherbrooke.qc.ca/salle-de-presse/actualites/dossiers-municipaux/construction-du-boulevard-rene-levesque ICD estimated from Google Maps linework.
Turtle Lake, WI Barron Co. United States	US 8 / Norway St. / Martin Ave. (45.39574, -92.15154)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.4172	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Apple River, WI Polk Co. United States	US 8 / STH 46 / 131st Ave. (45.39584, -92.35625)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.6105	Other (At-Grade) Single-Lane	2013	Yield-controlled right-turn bypass lane on west leg. Free-flow right-turn bypass lane on south leg. Year Completed estimated (2012-2015). ICD estimated from Google Maps linework.
Canton of Le Chambon-Feugerolles, Auvergne-Rhône-Alpes Loire France	Rue de l'Europe / Rue Jean Monnet (45.39593, 4.33334)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.0000	Other (At-Grade) Single-Lane
King City, OR Washington Co. United States	SW Fischer Rd. / SW 136th Ave. (45.39676, -122.81642)	Other Existing	All-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
St. Croix Falls, WI Polk Co. United States	US 8 / 208th St. (45.39731, -92.58540)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.2548	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Opened March 8, 2011. ICD estimated from Google Maps linework.
Canton of Le Chambon-Feugerolles, Auvergne-Rhône-Alpes Loire France	Giratoire du Marais: D88 / D3088 / Rue Maxime Gorki (45.39920, 4.34445)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 75.0000	Other (At-Grade) Single-Lane
Turtle Lake, WI Barron Co. United States	US 8 / US 63 / Maple St. (45.39994, -92.14205)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.6073	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	https://www.google.com/maps/d/viewer?mid=1kRgB04jjoXd6tLLe0r20FJoxJMI&ll=45.3742088814016%2C-92.07809042445086&z=12 ICD estimated from Google Maps linework.
San Bonifacio, Veneto Verona Italy	Viale Trieste / Via Trento / Via Fiume (45.39997, 11.27541)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Canton of Le Chambon-Feugerolles, Auvergne-Rhône-Alpes Loire France	Giratoire Marseille: D3088 / Rue des Combes (45.40350, 4.35046)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 58.0000	Other (At-Grade) Single-Lane
La Ricamarie, Auvergne-Rhône-Alpes Loire France	Giratoire Saint-Pierre: D3088 / Rue Jean-Pierre Blachier (45.40503, 4.35636)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 58.0000	Other (At-Grade) Single-Lane
Laprairie, QC Roussillon Regional County Municipality Canada	Rue Salaberry / Boulevard San José (45.40810, -73.50389)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.5084	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2009-2013). ICD estimated from Google Maps linework.
St.-Étienne, Auvergne-Rhône-Alpes Loire France	Place Paul-Louis Courier (45.40953, 4.38702)	Other Existing	Unknown Unknown	7 Approaches 0 Driveways	Other (At-Grade) Unknown		Trams through central island.
Ottawa, ON City of Ottawa Canada	Bayview Rd. / Slidell St. / Burnside Ave. (45.40958, -75.72880)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5384	Other (At-Grade) Single-Lane	2010	Functional Class: Collector ICD estimated from Google Maps linework.
Caransebeş, Caraş-Severin Romania	DN6 (Calea Orșovei - Strada Mihai Viteazul) / Strada Libertății (45.40992, 22.21936)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
La Ricamarie, Auvergne-Rhône-Alpes Loire France	D3088 / Rue des Cytises (45.40995, 4.36446)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.0000	Other (At-Grade) Single-Lane
Vaudreuil-Dorion, QC Vaudreuil-Soulanges Regional County Municipality Canada	Rue Boisvert / Boulevard de la Cité-des-Jeunes / Route 40 EB ramps (45.41088, -74.03245)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.9220	Freeway Ramps (Grade-Separated) Single-Lane	2006	https://www.pressreader.com/canada/montreal-gazette/20060928/282690452678822 ICD estimated from Google Maps linework.
Buje, Istria Croatia	D21 (Ulica Vladimira Gortana) / D300 (Flavia) / Grožnjanska (45.41194, 13.66379)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
La Ricamarie, Auvergne-Rhône-Alpes Loire France	Giratoire du Montcel: D3088 / Rue Jean Moulin (45.41269, 4.37259)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 45.0000	Other (At-Grade) Single-Lane
Sherbrooke, QC Sherbrooke Canada	Rue Jean-de la Fontaine / Rue Émile-Zola (45.41384, -71.94202)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2004-2009).
VE, Veneto Venice Italy	Piazzale Bucintoro / Gran Viale Santa Maria Elisabetta (45.41469, 12.37616)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
La Ricamarie, Auvergne-Rhône-Alpes Loire France	Rue Jean Moulin / D201 SB Ramps (45.41473, 4.37340)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 45.0000	Freeway Ramps (Grade-Separated) Single-Lane
Tigard, OR Washington Co. United States	SW Bull Mountain Rd. / SW River Terrace Blvd. (45.41486, -122.84922)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7271	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Lake Oswego, OR Clackamas Co. United States	SW Carman Dr. / SW Meadows Rd. / SW Quarry Rd. (45.41700, -122.72490)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.3422	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
VE, Veneto Venice Italy	Piazzale Santa Maria Elisabetta (45.41710, 12.36831)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Mira, Veneto Venice Italy	Via Porto Menai / Via del Lavoro (45.41865, 12.13552)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Clackamas, OR Clackamas Co. United States	SE 172nd Ave. / SE Creekwood Rd. (45.41880, -122.48550)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.5928	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Creekwood Rd. is new roadway; SE 172nd Avenue is existing. ICD estimated from Google Maps linework.
Ottawa, ON Ottawa Canada	Anderson Rd. / Weir Rd. / Renaud Rd. (45.41979, -75.56765)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.4005	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
(unincorporated), OR Washington Co. United States	Scholls Ferry Rd. / River Rd. (45.42222, -122.91619)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.2667	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Rural location with high-speed approaching roadways; realignment of each approach reduces speed. ICD estimated from Google Maps linework.
(unincorporated), OR Clackamas Co. United States	SE 147th Ave. / Oregon Trail Dr. / Hines Dr. / Sieben Pkwy. (45.42280, -122.51240)	Other Existing	All-Way Stop None	4 Approaches 0 Driveways 34.3688	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
River Terrace, OR Washington Co. United States	SW River Terrace Blvd. / SW Appledale Rd. (45.42317, -122.84929)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2018
Ottawa, ON City of Ottawa Canada	Beauparc Private / Villeneuve Private (45.42353, -75.62725)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.6328	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Clackamas, OR Clackamas Co. United States	SE 157th Ave. / SE 162nd Ave. (45.42429, -122.49770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8826	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Beaulieu Pl. / Villeneuve Private (45.42574, -75.62828)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 20.1173	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Mira, Veneto Venice Italy	Via Fornace / Via Sant'Antonio (45.42660, 12.13213)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Tigard, OR Washington Co. United States	SW Barrows Rd. / SW Roshak Rd. / (parking lot) (45.42692, -122.84486)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.4989	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Mira, Veneto Venice Italy	Via della Ferrovia / (parking) (45.42735, 12.13855)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Chambly, QC Regional County Municipality of La-Vallée-du-Richelieu Canada	Blvd. Frechette / Blvd. Anne-le-Seigneur (45.42759, -73.31023)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.3950	Other (At-Grade) Single-Lane	2003	High-speed approaches (65 mph [100 km/h]). Reverse curve on northbound approach. Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Dolo, Veneto Venice Italy	SR11 (Via Ca' Tron) / SR11dir1 / Via dei Meloni / Via Giovanni Battista Velluti (45.42768, 12.09108)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Venice, Veneto Venice Italy	Via dell'Elettronica / Via dei Cantieri (45.42837, 12.24557)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Sherbrooke, QC Sherbrooke Canada	Route 112 / Autoroute 610 (45.42954, -71.82424)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 56.9951	Freeway Ramps (Grade-Separated) Single-Lane	2011	Free-flowing right-turn bypass lanes on all legs. Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Venice, Veneto Venice Italy	Via dell'Elettronica / Via Della Geologia (45.43013, 12.22752)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Rail line through central island.
Umag, Istria Croatia	Ulica Joakima Rakovca / Novigradska ulica / Ulica Edoarda Pascalia (45.43123, 13.52415)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Gatineau, QC Outaouais Region Canada	Blvd. St.-Joseph (Rte. 105) / Rue Montcalm (45.43146, -75.73314)	Roundabout Existing	All-Way Yield Pedestrian Signal (red-yellow-green to drivers)	3 Approaches 0 Driveways 23.4678	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Opened December 9, 2003. Functional Class: Arterial ICD estimated from Google Maps linework.
Gatineau, QC Gatineau Canada	Boulevard du Plateau / Boulevard d'Amsterdam (45.43157, -75.80582)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.0000	Other (At-Grade) Single-Lane	2019	East leg stubbed. Year Completed estimated (2019-2020).
Chambly, QC Regional County Municipality of La-Vallée-du-Richelieu Canada	Blvd. Frechette / Blvd. Brassard (45.43189, -73.30562)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.9352	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Gatineau, QC Outaouais Region Canada	Blvd. St.-Laurent / Blvd. St.-Joseph (Rte. 105) (45.43216, -75.73323)	Roundabout Existing	All-Way Yield Pedestrian Signal (red-yellow-green to drivers)	4 Approaches 0 Driveways 49.4493	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Staggered, two-stage pedestrian signal on east leg. Warning beacons on other legs. Functional Class: Arterial 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.
Verona, Veneto Verona Italy	Via Enzo Ferrari / Via Cason (45.43353, 10.93419)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Chambly, QC La Vallée-du-Richelieu Regional County Municipality Canada	Boulevard Fréchette / Avenue Fonrouge / Rue Denault (45.43379, -73.29672)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.2288	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Gatineau, QC Gatineau Canada	Boulevard du Plateau / Rue de l'Atmosphère (45.43401, -75.79581)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.0000	Other (At-Grade) Single-Lane	2007
Umag, Istria Croatia	D75 (Kolodvorska ulica) / Školska ulica (45.43409, 13.52946)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Gatineau, QC Gatineau Canada	Boulevard du Plateau / Boulevard de l'Amérique-Française (45.43494, -75.80516)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.0000	Other (At-Grade) Single-Lane	2012	Southeast leg stubbed.
Gatineau, QC Gatineau Canada	Boulevard du Plateau / Rue de Bruxelles (45.43571, -75.79960)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.0000	Other (At-Grade) Single-Lane	2007
Gatineau, QC Gatineau Canada	Boulevard de Plateau / Rue de Prado (45.43617, -75.80317)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.0000	Other (At-Grade) Single-Lane	2012
Ottawa, ON Ottawa Canada	King Edward Ave. / Union St. (45.43738, -75.69400)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.9512	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Clackamas, OR Clackamas Co. United States	Monterey Ave. / Stevens Rd. (45.43780, -122.56390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8738	Other (At-Grade) Single-Lane	2006	Fourth leg serves New Hope Community Church parking lot. ICD estimated from Google Maps linework.
Clackamas, OR Clackamas Co. United States	Monterey Ave. / Causey Ave. / William Otty Rd. (45.44020, -122.55510)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.7102	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Beaverton, OR Washington Co. United States	SW Teal Blvd. / SW 155th Ave. / SW Nutcracker Ct. (45.44060, -122.83760)	Other Existing	All-Way Stop None	4 Approaches 0 Driveways 37.7099	Other (At-Grade) Single-Lane		Characteristics of a roundabout, but yield signs replaced with stop signs in 1998. ICD estimated from Google Maps linework.
Happy Valley, OR Clackamas Co. United States	SE 172nd Ave. / Scouters Mountain Rd. (45.44074, -122.48574)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	East leg stubbed. https://www.happyvalleyor.gov/business/engineering-division/engineering-division/172nd-avenue-roundabout/
Happy Valley, OR Clackamas Co. United States	SE 145th Ave. / SE 147th Ave. / Scouters Mountain Rd. (45.44111, -122.51231)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.0336	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Ottawa, ON Ottawa Canada	Brian Coburn Blvd. / Fern Casey St. (45.44112, -75.50947)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7096	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Sussex Dr. / Rideau Gate (45.44456, -75.69254)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.3003	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Sherbrooke, QC Sherbrooke Canada	Rue James-Quintin / Rue Ida-Métivier / Rue Maximilien-Chagnon (45.44458, -71.86999)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 51.9523	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2004-2009). ICD estimated from Google Maps linework.
Ottawa, ON Ottawa Canada	Brian Coburn Blvd. / Mer Bleue Rd. (45.44550, -75.49852)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.8687	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Princess Ave. / Rockcliffe Pkwy. (45.44599, -75.68909)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.4647	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Sherbrooke, QC Sherbrooke Canada	Rue James-Quintin / (unknown) / (parking lot) (45.44661, -71.87316)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2019).
Dorval, QC Montreal Canada	Dorval Traffic Circle [Autoroute 520 (Avenue Dorval) / Autoroute 20 Ramps] (45.44697, -73.74161)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Chambly, QC La Vallée-du-Richelieu Regional County Municipality Canada	Avenue Bourgogne / Avenue de Salaberry / Rue Martel (45.44894, -73.29059)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1362	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Galaţi, Galaţi Romania	Bulevardul Milcov / Strada 1 Decembrie 1918 (45.44956, 28.02548)	Other Existing	Other None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Trams through central island.
VE, Veneto Venice Italy	E55 (Via Romea) / SR11 (Via Padana) / SP81 (Via Cittadella) (45.45001, 12.20659)	Rotary Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Galaţi, Galaţi Romania	DN28-E87 (Strada Nicolae Mantu - Bulevardul Milcov) / Bulevardul Milcov (45.45090, 28.01716)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Parking along circulatory roadway.
Aloha, OR Washington Co. United States	SW 175th St. / SW Kemmer Rd. (45.45121, -122.85724)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.3785	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SW Terwilliger Blvd. / SW Palater Rd. (45.45290, -122.67660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2002	Roundabout replaces existing Y-intersection, adds fourth leg to serve college law school. Includes driveway into roundabout serving two homes. Roundabout is on tilted plane with central island plane steeper than inscribed circle plane to manage cross slopes. Northeast leg (Palater Road) has 8-9 percent grade down into roundabout, then flattens using a short vertical curve to a zero percent crown at the top of the circulatory roadway. Maximum grade through the roundabout is 4 percent; maximum cross slope is -2 percent. First roundabout under City of Portland jurisdiction.
Ottawa, ON Ottawa Canada	Brian Coburn Blvd. / Portobello Blvd. (45.45470, -75.46491)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.3494	Other (At-Grade) Single-Lane	2016	Right-turn-only lane on north leg. ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Brian Coburn Blvd. / Trim Rd. (45.45820, -75.44730)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 74.5586	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Functional Class: Arterial ICD estimated from Google Maps linework.
Cold Spring, MN Stearns Co. United States	Red River Ave. N / N 5th Ave. E (45.46041, -94.42907)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.7229	Other (At-Grade) Single-Lane	2016	https://www.sctimes.com/story/news/local/rocori/2016/05/20/cold-spring-break-ground-citys-1st-roundabout/84643718/ ICD estimated from Google Maps linework.
Venice, Veneto Venice Italy	Via Alessandro Cruto / (unknown) (45.46044, 12.22474)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		At-grade rail crossing on east leg 20 m from roundabout.
Venice, Veneto Venice Italy	SS309-E55 (Via Romea) / Via Bottenigo / Via Pietro Arduino (45.46069, 12.20986)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Ottawa, ON City of Ottawa Canada	Jeanne d'Arc Blvd. / St. Joseph Blvd. (45.46416, -75.54010)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8565	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	Functional Class: Arterial ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Millenium Blvd. / Trim Rd. (45.46557, -75.45140)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.2319	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Montreal, QC Montreal Canada	Boulevard de l'Île des Soeurs / Boulevard René-Lévesque (45.46579, -73.54476)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.8555	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
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.
Gatineau, QC Gatineau Canada	Boulevard St-Joseph / Rue Jean-Proulx (45.46723, -75.73824)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.0682	Other (At-Grade) Multilane (3+ Lane)	2013	https://ici.radio-canada.ca/nouvelle/603005/carrefour-giratoire-st-joseph-jean-proulx-gatineau ICD estimated from Google Maps linework.
Carignan, QC La Vallée-du-Richelieu Regional County Municipality Canada	Rue Olivier-Morel / Rue Martel / Rue Jean-De Ronceray / Rue Chevalier-de-Chaumont (45.46723, -73.29440)	Other Existing	All-Way Yield Other	4 Approaches 0 Driveways 41.8801	Other (At-Grade) Single-Lane		Crosswalks to center island; bus stop on circle. ICD estimated from Google Maps linework.
Montreal, QC Montreal Canada	Boulevard de l'Île des Soeurs / Place du Commerce / Chemin du Golf (45.46789, -73.54627)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.0676	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Montreal, QC Montreal Canada	Boulevard René-Lévesque / Rue Jacques-le Ber / A-10 NB Onramp / A-15 WB Offramp (45.47093, -73.53801)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.8521	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2004-2009). ICD estimated from Google Maps linework.
Beaverton, OR Washington Co. United States	SW 92nd Ave. / SW Allen Blvd. (45.47149, -122.77200)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	RRFB at shared-use crossing on south leg serving Fanno Creek Trail. https://www.beavertonoregon.gov/718/CIP-3112---Allen-Blvd92nd-Ave-Shared-Use?contentId=2643d655-60c2-481d-bf75-2f33d242b523
Montreal, QC Montreal Canada	Carrefour Alexander-Graham-Bell (Chemin de la Pointe N / A-15 WB Offramp / A-10 NB Onramp) (45.47195, -73.54155)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 39.3640	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2004-2009). ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 36th Ave. / SE Bybee Blvd. (45.47241, -122.62621)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 56.9518	Other (At-Grade) Single-Lane	1992	Completed 10/6/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE Bybee Blvd. / (SE 37th Ave.) (45.47243, -122.62440)	Traffic Calming Circle Existing	Uncontrolled None	2 Approaches 0 Driveways 20.1003	Other (At-Grade) Single-Lane	1992	Completed 10/6/1992. ICD estimated from Google Maps linework.
Venice, Veneto Venice Italy	Piazzale della Concordia (45.47289, 12.22355)	Other Existing	Unknown Unknown	8 Approaches 0 Driveways	Other (At-Grade) Unknown		Pedestrian access to central island.
Rice Lake, WI Barron Co. United States	CTH O (18 1 / 2 Ave.) / US 53 NB Ramps (45.47319, -91.75753)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5006	Freeway Ramps (Grade-Separated) Single-Lane	2006	Opened June 1, 2006 ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 34th Ave. / SE Bybee Blvd. (45.47319, -122.62826)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 81.2389	Other (At-Grade) Single-Lane	1992	Completed 9/30/1992. ICD estimated from Google Maps linework.
Rice Lake, WI Barron Co. United States	CTH O (18 1 / 2 Ave.) / US 53 SB Ramps (45.47325, -91.76021)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5005	Freeway Ramps (Grade-Separated) Single-Lane	2006	Opened June 1, 2006 ICD estimated from Google Maps linework.
Rice Lake, WI Barron Co. United States	CTH O (18 1 / 2 Ave.) / 19th St. (45.47333, -91.76556)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.3129	Other (At-Grade) Single-Lane	2005	Opened October 25, 2005. ICD estimated from Google Maps linework.
Venice, Veneto Venice Italy	Rotonda Romea: Via Romea / A57 Ramps (45.47424, 12.21233)	Rotary Existing	All-Way Yield Unknown	3 Approaches 4 Driveways	Other (At-Grade) Multilane (3+ Lane)		Lane changes required.
Venice, Veneto Venice Italy	Piazzale Cesare Rossarol (45.47535, 12.22747)	Other Existing	Unknown Unknown	7 Approaches 0 Driveways	Other (At-Grade) Unknown		Hamburger shaped. Parking along circulatory roadway.