Roundabouts Database Index

29492 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
Trumbull, CT Fairfield Co. United States	Park Ave. / Rte. 15 (Merritt Pkwy) WB Ramps (41.22857, -73.24581)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.7436	Freeway Ramps (Grade-Separated) Single-Lane	2015	Constructed by private developer. ICD estimated from Google Maps linework.
Berthierville, QC D'Autray Canada	Rang de la Rivière-Bayonne S / Chemin Robillard (46.08970, -73.24991)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.4152	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2012-2014). ICD estimated from Google Maps linework.
Bay Shore, NY Suffolk Co. United States	Robert Moses State Parkway / Robert Moses Causeway (40.62361, -73.26164)	Rotary Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)
St-Jean-Sur-Richelieu, QC Le Haut-Richelieu Regional County Municipality Canada	Rue des Colibris / (parc access) (45.35948, -73.28314)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 52.0306	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
St-Jean-Sur-Richelieu, QC Le Haut-Richelieu Regional County Municipality Canada	Boulevard Saint-Luc / Rue Douglas / Avenue du Parc (45.34275, -73.28455)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.6147	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	No circulatory roadway striping. ICD estimated from Google Maps linework.
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.
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.
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.
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.
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.
Sainte-Julie, QC Marguerite-D'Youville Regional County Municipality Canada	Chemin du Fer-à-Cheval / Rue Murano / Avenue Jules-Choquet (45.58708, -73.32675)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.9254	Other (At-Grade) Single-Lane	2007	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Westport, CT Fairfield Co. United States	(Sherwood Island State Park entrance) / (Sherwood Island Connector) (41.11541, -73.33051)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
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.
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.
Great Barrington, MA Berkshire Co. United States	US 7 (Main St.) / Rte 23-Rte 41 (Maple Ave.) (42.18916, -73.36466)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.townofgb.org/home/news/state-dot-begins-gb-roundabout-work-brown-bridge-repair-completion-set-june
Repentigny, QC L'Assomption Regional County Municipality Canada	Boulevard Louis-Phillippe-Picard / Boulevard Iberville (45.78892, -73.40757)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2006-2008).
Bethel, CT Fairfield Co. United States	Briar Ridge Dr. / Old Lookout Way (41.38544, -73.41093)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Bethel, CT Fairfield Co. United States	Summit Rd. / Hunting Ridge Ln. (41.38386, -73.41104)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Bethel, CT Fairfield Co. United States	Great Hill Dr. / Summit Rd. / Briar Ridge Dr. (41.38629, -73.41336)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
L’Assomption, QC L'Assomption Regional County Municipality Canada	Chemin du Golf / Rang Point du Jour N / Boulevard Lafortune (45.83759, -73.41587)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.0000	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2005).
New Milford, CT Litchfield Co. United States	Still River Dr. / Pickett District Rd. / Lanesville Rd. (41.54029, -73.41615)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 38.1000	Other (At-Grade) Single-Lane	2018
Huntington, NY Suffolk Co. United States	New York Ave. / Grist Mill Ln. / CR 35 (40.88407, -73.41909)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.6034	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Huntington, NY Suffolk Co. United States	New York Ave. / Park Ave. / Creek Rd. (40.88273, -73.41970)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.4100	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Joliette, QC Joliette Regional County Municipality Canada	Boulevard Dollard / Rue Calixa-Lavallée / Rue Joseph-Arthur (46.02136, -73.42549)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 58.8824	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Huntington, NY Suffolk Co. United States	Clinton Ave. / Gerard St. (40.87225, -73.42886)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 14.4499	Other (At-Grade) Single-Lane	2002	http://query.nytimes.com/gst/fullpage.html?res=9D04E4DB133DF931A15751C1A9649C8B63 ICD estimated from Google Maps linework.
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.
Repentigny, QC L'Assomption Regional County Municipality Canada	Boulevard Basile-Routhier / Avenue des Rivières (45.78281, -73.43269)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.0000	Other (At-Grade) Single-Lane	2010
East Massapequa, NY Nassau Co. United States	Unqua Circle [Nassau Rd. / Unqua Rd.] (40.66213, -73.44036)	Other Existing	All-Way Stop Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Plattsburgh, NY Clinton Co. United States	Rte 9 / New York Rd. / Vermont St. (44.68128, -73.44769)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.3649	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Longueuil, QC Longueuil Canada	Boulevard de Montarville / Rte 132 WB Ramps / (transit center) (45.60163, -73.45036)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.7802	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	Year Completed estimated (2004-2007). ICD estimated from Google Maps linework.
Champlain, NY Clinton Co. United States	US 11 / I-87 NB Ramps (44.98090, -73.45634)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Single-Lane	2015	Year Completed estimated (2014-2016).
Champlain, NY Clinton Co. United States	US 11 / I-87 SB Ramps (44.98090, -73.45826)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Single-Lane	2015	Year Completed estimated (2014-2016).
Oyster Bay, NY Nassau Co. United States	Bethpage State Pkwy. / Plainview Rd. (40.73804, -73.46891)	Other Existing	Other Unknown	3 Approaches 0 Driveways 52.4868	Other (At-Grade) Single-Lane		Stop control on west leg. ICD estimated from Google Maps linework.
Saint-Charles-Borromée, QC Joliette Regional County Municipality Canada	Rue de la Petite-Noraie / Boulevard l'Assomption (46.03950, -73.46948)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2012-2014) as three-leg roundabout. Fourth leg added 2016-2019.
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.
Saint-Charles-Borromée, QC Joliette Regional County Municipality Canada	Rue de la Visitation / Rue Chaput / Rang Double (46.06457, -73.48821)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2021).
Terrebonne, QC Les Moulins Regional County Municipality Canada	Chemin Saint-Charles / Allée du Grand-Pic (45.71351, -73.49795)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0000	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2012).
Longueuil, QC Longueuil Canada	Rue Riverside / Boulevard Simard (45.47889, -73.50042)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.5464	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
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.
Wantagh, NY Nassau Co. United States	Ocean Pkwy. / Jones Beach Causeway (40.59647, -73.50811)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 106.1035	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Converted rotary. ICD estimated from Google Maps linework.
Danbury, CT Fairfield Co. United States	Reserve Rd. / Milestone Rd. (41.38525, -73.51778)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.3237	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Greenwich, NY Washington Co. United States	Rte 29 / Rte 40 (43.10361, -73.51842)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.3681	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Stamford, CT Fairfield Co. United States	Shippan Ave. / Fairview Ave. (41.02609, -73.52336)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 13.5152	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Longueuil, QC Montreal Canada	Avenue Pierre-Dupuy/Avenue de Casino/Chemin des Floralies (45.50770, -73.52522)	Other Existing	Other None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane		Circulatory roadway stops for entering traffic.
Stamford, CT Fairfield Co. United States	Davenport Ridge Rd. / Lakeside Dr. / Newfield Ave. (41.12314, -73.53272)	Other Existing	All-Way Yield None	3 Approaches 1 Driveways 23.3918	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Danbury, CT Fairfield Co. United States	Reserve Rd. / Old Ridgebury Rd. (41.38810, -73.53322)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.0496	Other (At-Grade) Single-Lane	2007	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.
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.
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.
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	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/
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
Greenwich, CT Fairfield Co. United States	Sound Beach Ave. / (unknown) (41.03011, -73.56715)	Traffic Calming Circle Existing	Other None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Greenwich, CT Fairfield Co. United States	Havemeyer Ln. / Northridge Rd. (41.05451, -73.56718)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 18.0125	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Saint-Jacques, QC Montcalm Regional County Municipality Canada	Rue St-Jacques (Rte 341) / Rte 158 (45.95392, -73.57892)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.4991	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Chatham, NY Columbia Co. United States	Rte 66 / Rte 295 (42.36392, -73.59497)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.9441	Other (At-Grade) Single-Lane	2009	Small single-laner in village setting. ICD estimated from Google Maps linework.
Mascouche, QC Les Moulins Regional County Municipality Canada	Avenue de la Gare / Avenue de l'Esplanade (45.72534, -73.60450)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.0000	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2008).
Greenwich, CT Fairfield Co. United States	Milbank Ave. / E Elm St. (41.03211, -73.62178)	Other Existing	Unknown None	3 Approaches 0 Driveways 31.5326	Other (At-Grade) Single-Lane		Yield control on circulatory roadway. ICD estimated from Google Maps linework.
Greenwich, CT Fairfield Co. United States	Mason St. / Milbank Ave. / Fawcett Pl. (41.02341, -73.62377)	Other Existing	Other None	4 Approaches 0 Driveways 28.8336	Other (At-Grade) Single-Lane		Yield control on circulatory roadway. ICD estimated from Google Maps linework.
Mascouche, QC Les Moulins Regional County Municipality Canada	Avenue de l'Esplanade / Avenue Bourque (45.72771, -73.62837)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.6885	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2005-2008). ICD estimated from Google Maps linework.
Greenwich, CT Fairfield Co. United States	Lake Ave. / Lafayette Pl. / Perryridge Rd. / William St. (41.03343, -73.62907)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 27.0274	Other (At-Grade) Single-Lane		Pedestrian crossing to central island. ICD estimated from Google Maps linework.
Greenwich, CT Fairfield Co. United States	Dearfield Dr. / Lake Ave. / Glenville Rd. (41.03250, -73.63281)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 49.5510	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Glens Falls, NY Warren Co. United States	Rte 9 / Rte 9L / Hudson St. (43.30951, -73.64399)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2007	Urban, downtown environment. Symbolic black-on-orange 540-degree turn sign for trucks to make right turn around central island from south leg to southeast leg.
Terrebonne, QC Les Moulins Regional County Municipality Canada	Rue d'Angora / Rue des Tilleuls (45.71697, -73.64922)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 32.0000	Other (At-Grade) Single-Lane	2017
Terrebonne, QC Les Moulins Regional County Municipality Canada	Rue d'Angora / Rue de la Portneuf (45.71541, -73.65052)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.0000	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013).
St-Roch-Ouest, QC Montcalm Regional County Municipality Canada	Rte 158 / Rang de la Côte-St-Louis / Ancienne Rte 158 (45.88639, -73.66842)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.8930	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
East Greenbush, NY Rensselaer Co. United States	Hallenbeck Hill (42.60020, -73.66936)	Other Existing	Unknown Unknown	2 Approaches 1 Driveways 0.0000	Other (At-Grade) Unknown
Rye Brook, NY Westchester Co. United States	Edgewood Dr. / Woodland Dr. / Beechwood Blvd. / Loch Ln. / Hillandale Rd. (41.02429, -73.67456)	Other Existing	All-Way Stop Unknown	5 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane
Rye, NY Westchester Co. United States	Playland Pkwy. / (parking) (40.96518, -73.67563)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (3+ Lane)
Terrebonne, QC Les Moulins Regional County Municipality Canada	Rue de Plaisance / Boulevard des Plateaux (45.70569, -73.68639)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.1961	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2014). Bus stops on two of the approaches. ICD estimated from Google Maps linework.
Terrebonne, QC Les Moulins Regional County Municipality Canada	Rue de Plaisance / Rue de Challans / Rue de Chautagne (45.69884, -73.68692)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.1856	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Troy, NY Rensselaer Co. United States	US 4 (N Greenbush Rd.) / Williams Rd. (Rte 136) / Glenmore Rd. (42.69219, -73.68692)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Yield-controlled right-turn bypass lanes on north and east legs. Year Completed estimated (2021-2022).
Terrebonne, QC Les Moulins Regional County Municipality Canada	Rue de Plaisance / Rue de Gannes (45.70337, -73.68745)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.8522	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Terrebonne, QC Les Moulins Regional County Municipality Canada	Rue de Plaisance / Rue de Challans / Rue de vaccariès (45.70057, -73.68779)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.1850	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Kinderhook, NY Columbia Co. United States	US 9 / Rte 9H / State Farm Rd. (42.42835, -73.68868)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 38.7886	Other (At-Grade) Single-Lane	2006	This was built to replace traffic lights when a shopping plaza was being added - US Route 9 has North and South, State Rt 9H South, State Farm Road (Town Road) and the entrance to the plaza, which makes it an unusual set up (5 Entries with 9 and 9H creating a Y shape, and then the plaza/state farm entries across from each other, going across the stem of the Y). ICD estimated from Google Maps linework.
Queensbury, NY Warren Co. United States	(unknown) / (unknown) (43.33112, -73.68898)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 24.3251	Other (At-Grade) Single-Lane	2011	On high school campus. ICD estimated from Google Maps linework.
Port Chester, NY Westchester Co. United States	Bellefair Blvd. (41.05307, -73.69293)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Terrebonne, QC Les Moulins Regional County Municipality Canada	Rue Rodrigue / Rue Michaud / (parking) (45.75778, -73.69477)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	2009
Terrebonne, QC Les Moulins Regional County Municipality Canada	Rue Rodrigue / Rue Aline (45.75260, -73.69731)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	2009
Terrebonne, QC Les Moulins Regional County Municipality Canada	Rue de la Passerelle / Boulevard des Seigneurs / Avenue Claude-Léveillée / Bloulevard de la Pinière (45.71509, -73.69794)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 64.2112	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Concentric circulatory roadway striping. Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Queensbury, NY Warren Co. United States	Aviation Rd. / Dixon Rd. / Farr Ln. (43.33074, -73.69979)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.0129	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
East Greenbush, NY Rensselaer Co. United States	US 4 (Troy Rd.) / I-90-Rte 9 WB Ramps (42.62923, -73.70059)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2022
Rensselaer, NY Rensselaer Co. United States	US 4 (Troy Rd.) / Mannix Rd. (42.63111, -73.70100)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.5416	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
East Greenbush, NY Rensselaer Co. United States	US 4 (Troy Rd) / Red Mill Rd. / Luther Rd. (42.61947, -73.70200)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.1856	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Greenwich, CT Fairfield Co. United States	King St. / Rye Lake Ave. (41.07508, -73.70280)	Roundabout Removed	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2006	Temporary roundabout installed May 12, 2004. Functional Class: Local.
Westchester, NY Westchester Co. United States	Airport Rd. / Rye Lake Rd. (41.07284, -73.70593)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.5131	Other (At-Grade) Single-Lane	2006	Access to airport. ICD estimated from Google Maps linework.
Watervliet, NY Albany Co. United States	Sutherland Dr. / Beacon Dr. / Mahogany Dr. (42.72840, -73.72327)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.4611	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Great Neck, NY Nassau Co. United States	Barstow Rd. / South Station Pl. (40.78735, -73.72462)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.6068	Other (At-Grade) Single-Lane	2003	High pedestrian activitiy associated with commuter rail station below the roundabout. ICD estimated from Google Maps linework.
Watervliet, NY Albany Co. United States	Billys Way / Beryl Way (42.73320, -73.72641)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 50.0038	Other (At-Grade) Unknown	2005	ICD estimated from Google Maps linework.
Colonie, NY Albany Co. United States	Johnson Rd. / Boght Rd. / St. Agnes Hwy (42.76550, -73.73207)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.6881	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Terrebonne, QC Les Moulins Regional County Municipality Canada	Avenue Urbanova / Boulevard Carmel / Avenue Pierre-Dansereau (45.68739, -73.73806)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0476	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
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)
Cohoes, NY Albany Co. United States	Preston Dr. / Stacey Ct. (42.77582, -73.74557)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015).
Malta, NY Saratoga Co. United States	Luther Forest Blvd. / Cordero Blvd. (42.95753, -73.75259)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.9485	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Stonebreak Rd. / Luther Forest Blvd. (42.96551, -73.75795)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2012	Add-lane right-turn bypass lane on southeast leg. Year Completed estimated (2011-2013). Southeast leg added 2015-2018.
Malta, NY Saratoga Co. United States	Luther Forest Blvd. / Rocket Way (42.95595, -73.76094)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2015	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Latham, NY Albany Co. United States	Latham Circle: Rte 2 / Rte 9 (42.74810, -73.76098)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 76.2000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2002
Montréal, QC Montréal Region Canada	Ave. Marie-Curie / Blvd. Alfred Nobel (45.48518, -73.76222)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.6801	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Completed November 1998. Functional Class: Collector ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Stone Break Extension / Hermes Rd. / Rocket Way (42.96331, -73.76376)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.4559	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
New Rochelle, NY Westchester Co. United States	Sunhaven Dr. / Harding Dr. / Wilson Dr. (40.91975, -73.76757)	Other Existing	All-Way Yield None	5 Approaches 0 Driveways 43.3185	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.