Roundabouts Database Index

11328 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
Liberty Lake (Greenacres), WA Spokane Co. United States	E Mission Ave. / N Harvest Pkwy. (47.67143, -117.13127)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7992	Other Single-Lane	2019	Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	SR 902 / Geiger Blvd. (47.59406, -117.56858)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 88.5973	Other Multilane (2 Lane)	2019	Replaces previous intersection that was closer to the I-90 westbound off ramp. Open October 10, 2019. ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	SR 902 / I-90 WB Ramps (47.59335, -117.56750)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.0231	Freeway Ramps Multilane (2 Lane)	2019	Opened October 10, 2019. ICD estimated from Google Maps linework.
(unincorporated), WA Spokane Co. United States	W Aero Rd. / W Westbow Blvd. (47.58899, -117.56024)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 11.2771	Other Single-Lane	2019	ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	W Woodside Ave. / N F St. (47.72087, -117.45875)	Neighborhood Traffic Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other Single-Lane	2017
Spokane, WA Spokane Co. United States	W Woodside Dr. / W Dell Dr. (47.72059, -117.45289)	Neighborhood Traffic Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 78.7411	Other Single-Lane	2017	ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	W Woodside Ave. / N Alberta St. (47.71971, -117.44693)	Neighborhood Traffic Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 28.1223	Other Single-Lane	2017	ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	S Cook St. / E 42nd Ave. (47.61546, -117.37397)	Neighborhood Traffic Circle Existing	Uncontrolled None	4 Approaches 0 Driveways	Other Single-Lane	2004
Spokane, WA Spokane Co. United States	S Stonington Ln. / E 42nd Ave. (47.61546, -117.37287)	Neighborhood Traffic Circle Existing	Uncontrolled None	3 Approaches 0 Driveways	Other Single-Lane	2004
Spokane, WA Spokane Co. United States	US 2 / S Deer Heights Rd. (47.64308, -117.55018)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 18.5075	Other Multilane (2 Lane)	2019	Developer mitigation project - October 2019. ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	S Glenrose Rd. / S Carnahan Rd. (47.63564, -117.33576)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 70.0167	Other Single-Lane	2019	Spokane County project. Open July 2019. Replaced southbound Carnahan yield control. ICD estimated from Google Maps linework.
Deer Park, WA Spokane Co. United States	US 395 / W Monroe Rd. / W Crawford St. (47.95398, -117.48830)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.7936	Other Single-Lane	2018	Opened August 21, 2018. ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	US 2 / (development entrance) (47.76691, -117.38533)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.7715	Other Multilane (2 Lane)	2018	Open July 19, 2018. This intersection was originally accepted in 2012 as stop control (evolving to a signal with growth) for the first phase of a development. Because there was a long lapse prior to construction, it became subject to the WSDOT Intersection Control Evaluation process adopted July 2013. Subsequently, this is the first roundabout in WSDOT Eastern Region recommended by a consultant employing that process. ICD estimated from Google Maps linework.
Deer Park, WA Spokane Co. United States	US 395 / N Short Rd. / N Main St. (47.94267, -117.47734)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.2022	Other Single-Lane	2018	Opened 7/18/2018. ICD estimated from Google Maps linework.
Fredericksburg, VA Spotsylvania Co. United States	Towne Centre Blvd. / Spotsylvania Mall Dr. (38.29385, -77.51490)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.8702	Other Multilane (2 Lane)	2010	Segments of circulatory roadway between entries and exits. Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Squamish, BC Squamish-Lillooet Canada	The Boulevard / Perth Dr. (49.74036, -123.11024)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 20.0678	Other Single-Lane	2010	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Squamish, BC Squamish-Lillooet Canada	The Boulevard / Highlands Way (49.74035, -123.11661)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 22.3833	Other Single-Lane	2010	Year Completed estimated (2009-2010). 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 Multilane (2 Lane)	2006	Home Depot retail center on one corner. Uses fishhook signs and pavement markings. Year Completed estimated (2004-2009).
Flint Hill, MO St. Charles Co. United States	CR P / US 61 NB Ramps / Service Rd. (38.85292, -90.86827)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.6445	Freeway Ramps Single-Lane	2018	Under construction (almost finished) Aug 2018 (streetview) ICD estimated from Google Maps linework.
Wentzville, MO St. Charles Co. United States	Schroeder Creek Blvd. / William Dierberg Dr. (38.82018, -90.86907)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.0819	Other Single-Lane	2016	Paving was done in late 2016, but fully completed in 2017 -- https://www.wentzvillemo.org/departments/public_works/schroeder_creek_boulevard_extension_project.php . ICD estimated from Google Maps linework.
Wentzville, MO St. Charles Co. United States	Schroeder Creek Blvd. / (high school access) (38.81649, -90.86931)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.9451	Other Single-Lane	2016	Paving was done in late 2016, but fully completed in 2017 -- https://www.wentzvillemo.org/departments/public_works/schroeder_creek_boulevard_extension_project.php . ICD estimated from Google Maps linework.
Wentzville, MO St. Charles Co. United States	Wilmer Valley Dr. / Wilmer Ridge Dr. (38.79278, -90.86444)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2675	Other Single-Lane	2008	ICD estimated from Google Maps linework.
O'Fallon, MO St. Charles Co. United States	Phoenix Pkwy. / Redhawk Pkwy. / Red Hawk Pl. (38.74510, -90.73630)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5341	Other Single-Lane	2001	Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
O'Fallon, MO St. Charles Co. United States	Phoenix Pkwy. / Phoenix Dr. / Boardwalk Place Dr. (38.74122, -90.73747)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5359	Other Single-Lane	2001	Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
Kimball, MI St. Clair Co. United States	Lapeer Rd. / Allen Rd. (42.98365, -82.52408)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.9380	Other Single-Lane	2018	https://www.thetimesherald.com/story/news/local/2018/08/01/lapeer-roundabout-opening-traffic-thursday/881947002/ ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	Simmons Rd. / Milburn School Rd. / Fairwood Hills Rd. (38.61146, -89.92906)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.7957	Other Single-Lane	2016	ICD estimated from Google Maps linework.
Kimball Township, MI St. Clair Co. United States	Range Rd. / Griswold Rd. (42.96533, -82.50230)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.3369	Other Single-Lane	2016	ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	W State St. / Obernuefermann Rd. / Schwaegel Rd. (38.59229, -89.92877)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.2043	Other Single-Lane	2009	ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	Porter Rd. / Simmons Rd. (38.60258, -89.93231)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.7342	Other Single-Lane	2011	Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	Milburn Estates Dr. / Portsmith Place Dr. (38.61138, -89.94514)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 55.9947	Other Single-Lane		ICD estimated from Google Maps linework.
Glenview, IL St. Clair Co. United States	Cambridge Blvd. / St Francis Way / St Elizabeth's Blvd. (38.58493, -89.93023)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.6756	Other Single-Lane	2016	ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	Milburn School Rd. / Merriam Pkwy. / Milburn Estates Dr. (38.61429, -89.94506)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1966	Other Single-Lane	2012	ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	Old Vincennes Trl. / Seven Hills Rd. / E State St. (38.59342, -89.89246)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.4056	Other Single-Lane	2012	ICD estimated from Google Maps linework.
East St Louis, IL St. Clair Co. United States	N 9th St. / Baugh Ave. / I-70 EB Onramp (38.63197, -90.14187)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5871	Freeway Ramps Single-Lane	2012	ICD estimated from Google Maps linework.
East St Louis, IL St. Clair Co. United States	N 9th St. / St Clair Ave. (38.63094, -90.14386)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.3196	Other Single-Lane	2013	Right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
East St Louis, IL St. Clair Co. United States	N 18th St. / Baugh Ave. / I-64 WB Ramps (38.62540, -90.13455)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 28.9249	Freeway Ramps Single-Lane	2010	ICD estimated from Google Maps linework.
Belleville, IL St. Clair Co. United States	Centreville Ave. / SR 15 NB Ramps / S Belt W (38.50591, -90.00011)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 47.6653	Freeway Ramps Single-Lane	2013	ICD estimated from Google Maps linework.
Belleville, IL St. Clair Co. United States	Centreville Ave. / SR 15 SB Ramps / Whiskey Dr. (38.50516, -90.00173)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.5157	Freeway Ramps Single-Lane	2013	ICD estimated from Google Maps linework.
Centreville, IL St. Clair Co. United States	SR 13 / SR 157 (38.55853, -90.09956)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other Single-Lane	2008
O'Fallon, IL St. Clair Co. United States	Milburn School Rd. / Old Collinsville Rd. (38.61444, -89.96636)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7290	Other Single-Lane	2018	ICD estimated from Google Maps linework.
Fairview Heights, IL St. Clair Co. United States	Dunhill Dr. / Northshore Dr. (38.61012, -89.97116)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7309	Other Single-Lane	2006	No splitter islands. ICD estimated from Google Maps linework.
Troy, WI St. Croix Co. United States	Radio Rd. / STH 35 NB Ramps (44.89914, -92.64804)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.2222	Freeway Ramps Multilane (2 Lane)	2014	Two-lane yield-controlled right-turn bypass lane on off-ramp. Merging right-turn bypass lane on north leg onto on-ramp. Year Completed estimated (2012-2016). ICD estimated from Google Maps linework.
River Falls, WI St. Croix Co. United States	Radio Rd. / STH 35 SB Ramps (44.89762, -92.64890)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.6854	Freeway Ramps Multilane (2 Lane)	2014	Two-lane yield-controlled right-turn bypass lane on off-ramp. Merging right-turn bypass lane oon south leg. Year Completed estimated (2012-2016). ICD estimated from Google Maps linework.
River Falls, WI St. Croix Co. United States	Radio Rd. / Paulson Rd. (44.89510, -92.64967)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.4559	Other Multilane (2 Lane)	2014	Fourth (west) leg stubbed. Year Completed estimated (2012-2016). ICD estimated from Google Maps linework.
Hudson, WI St. Croix Co. United States	Stageline Rd. / (hospital access) (44.96308, -92.71749)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.8025	Other Single-Lane	2013	https://www.google.com/maps/d/viewer?mid=1kRgB04jjoXd6tLLe0r20FJoxJMI&ll=44.963156877300584%2C-92.71910371961587&z=17. ICD estimated from Google Maps linework.
Cylon, WI St. Croix Co. United States	US 63 / STH 46 / STH 64 (45.13661, -92.38388)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 64.0301	Other Single-Lane	2013	ICD estimated from Google Maps linework.
St Joseph, WI St. Croix Co. United States	CTH E / STH 64 NB Ramps (45.06005, -92.77939)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.3998	Freeway Ramps Single-Lane	2017	ICD estimated from Google Maps linework.
St Joseph, WI St. Croix Co. United States	STH 35 / CR E / STH 64 SB Ramps (45.05953, -92.78237)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.4002	Freeway Ramps Single-Lane	2017	ICD estimated from Google Maps linework.
St Joseph, WI St. Croix Co. United States	STH 35 / Main St. (45.05597, -92.79070)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.4031	Other Single-Lane	2015	ICD estimated from Google Maps linework.
Baldwin, WI St. Croix Co. United States	CTH T / I-94 WB Ramps (44.94316, -92.43558)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.7317	Freeway Ramps Single-Lane	2016	Central island designed for OSOW bypass of freeway. ICD estimated from Google Maps linework.
Hammond, WI St. Croix Co. United States	CTH T / I-94 EB Ramps (44.94155, -92.43564)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.7328	Freeway Ramps Single-Lane	2016	Central island designed for OSOW bypass of freeway. ICD estimated from Google Maps linework.
Cady, WI St. Croix Co. United States	STH 128 / I-94 WB Ramps (44.93429, -92.19686)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.3472	Freeway Ramps Single-Lane	2017	ICD estimated from Google Maps linework.
Cady, WI St. Croix Co. United States	STH 128 / I-94 EB Ramps (44.93265, -92.19704)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.5030	Freeway Ramps Single-Lane	2017	ICD estimated from Google Maps linework.
(unincorporated), FL St. Johns United States	Flora Branch Blvd. / Primrose Pl. (30.09636, -81.60513)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 51.6657	Other Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), FL St. Johns United States	Greenleaf Dr. / Carrier Dr. / Cross Ridge Dr. (30.10011, -81.45750)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.7302	Other Single-Lane	2010	ICD estimated from Google Maps linework.
(unincorporated), FL St. Johns United States	N Durbin Pkwy. / Saddlestone Dr. / Buckhead Ct. (30.10078, -81.55369)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9315	Other Single-Lane	2006	ICD estimated from Google Maps linework.
(unincorporated), FL St. Johns United States	N Durbin Pkwy. / Sanctuary Dr. (30.08583, -81.54444)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 46.5040	Other Single-Lane	2015	Was initially all-way stop controlled. Soft conversion to circle with roundabout features in early 2015, with yield signs, painted splitter islands, and striped-out outer portion of the circulatory roadway to reduce the diameter. No other physical changes made. Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), FL St. Johns United States	Palencia Club Dr. / N Loop Pkwy. / Market St. (30.02421, -81.38772)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.8857	Other Single-Lane	2003	Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), FL St. Johns United States	Spinnakers Reach Dr. / Summer Pl. (30.19334, -81.36563)	Other Existing	Other None	4 Approaches 0 Driveways 17.5491	Other Single-Lane		Functional Class: Local. Year Completed unknown (before 1994). ICD estimated from Google Maps linework.
(unincorporated), FL St. Johns United States	Walden Chase Ln. / Endersleigh Ln. (30.09067, -81.45189)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.7020	Other Multilane (2 Lane)	2001	ICD estimated from Google Maps linework.
(unincorporated), FL St. Johns United States	SR 13 / Riverwalk Blvd. (30.02042, -81.63919)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 58.9440	Other Single-Lane	2013	ICD estimated from Google Maps linework.
Nocatee, FL St. Johns Co. United States	Debbies Way / 20 Mile Rd. (30.12463, -81.39858)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.3537	Other Single-Lane	2016	ICD estimated from Google Maps linework.
Ponte Vedra Beach, FL St. Johns Co. United States	Palm Valley Rd. / Mickler Rd. / (shopping center parking lot) (30.15127, -81.37684)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.8334	Other Single-Lane	2005	Striped-out inner circulatory lane. ICD estimated from Google Maps linework.
Nocatee, FL St. Johns Co. United States	Crosswater Pkwy. / Preservation Trl. (30.10541, -81.41571)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 55.7938	Other Multilane (2 Lane)	2007	Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Nocatee, FL St. Johns Co. United States	Town Plaza Ave. / Tavernier Dr. / Village Lake Dr. (30.11136, -81.42140)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 59.9231	Other Single-Lane	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Nocatee, FL St. Johns Co. United States	Crosswater Pkwy. / Snowden Pkwy. / Nocatee Landing Trl. (30.07254, -81.40063)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.8124	Other Single-Lane	2017	ICD estimated from Google Maps linework.
Nocatee, FL St. Johns Co. United States	Crosswater Pkwy. / Crosswater Lake Dr. (30.06597, -81.39842)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.5470	Other Single-Lane	2018	Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
St Johns, FL St. Johns Co. United States	SR 13 / Rafter Tail Ln. (30.01773, -81.63293)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.2630	Other Single-Lane	2018	Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
St Johns, FL St. Johns Co. United States	Rivertown Main St. / Orange Branch Trl. (30.03383, -81.62536)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.0190	Other Single-Lane	2016	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
St Johns, FL St. Johns Co. United States	Belmont Dr. (30.03095, -81.59239)	Other Existing	Uncontrolled Unknown	2 Approaches 4 Driveways 57.9038	Other Single-Lane		ICD estimated from Google Maps linework.
St Augustine, FL St. Johns Co. United States	Shearwater Pkwy. / Kayak Club Dr. (30.03679, -81.56682)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.7646	Other Single-Lane	2015	Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
St Johns, FL St. Johns Co. United States	Celesta Pkwy. / Amalurra Trl. / Marinda Pl. / Idalia Run (30.11024, -81.54914)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1940	Other Single-Lane	2015	Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
St Johns, FL St. Johns Co. United States	Amalurra Trl. / Azura Pt. / Tierra Cove / Sitara Ln. (30.11689, -81.54571)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 88.8465	Other Single-Lane	2015	Parking and pedestrian access to central island. Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
St Johns, FL St. Johns Co. United States	Durbin Creek Blvd. / Davis Pond Blvd. (30.11100, -81.61024)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1935	Other Single-Lane	2017	Originally opened as multilane roundabout (1999-2002) with concentric circulatory roadway striping. Converted to single-lane roundabout 2016-2017. ICD estimated from Google Maps linework. 21442
St Johns, FL St. Johns Co. United States	Maplewood Dr. / Buckeye Ln. (30.11013, -81.60070)	Other Existing	Other Unknown	4 Approaches 0 Driveways 34.0946	Other Single-Lane		Mix of stop and yield control. ICD estimated from Google Maps linework.
St Johns, FL St. Johns Co. United States	Heron Landing Rd. / Sanctuary Dr. (30.08552, -81.53676)	Other Existing	Other Unknown	4 Approaches 0 Driveways 38.2368	Other Single-Lane		Mix of stop and yield control. No splitter islands. Pedestrian crossings at edge of circulatory roadway. ICD estimated from Google Maps linework.
St Johns, FL St. Johns Co. United States	Russell Sampson Rd. / Eva Earl Rd. (30.06755, -81.50660)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 31.0084	Other Single-Lane	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
St Johns, FL St. Johns Co. United States	Beachwalk Blvd. / Caribbean Pl. (30.08488, -81.48445)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.3708	Other Single-Lane	2017	ICD estimated from Google Maps linework.
St Johns, FL St. Johns Co. United States	Beachwalk Blvd. / Caribbean Pl. / Marquesa Cir. (30.08650, -81.47858)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.3366	Other Single-Lane	2017	ICD estimated from Google Maps linework.
South Bend, IN St. Joseph United States	US 20 / Lexington Ave. (41.69572, -86.31277)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.1306	Other Multilane (2 Lane)	2006	Fatal crash June 29, 2011. 11861-05. ICD estimated from Google Maps linework.
South Bend, IN St. Joseph United States	US 20 / Mayflower Rd. (41.69477, -86.32246)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.0230	Other Multilane (2 Lane)	2006	ICD estimated from Google Maps linework.
South Bend, IN St. Joseph United States	Douglas Rd. / Twyckenham Dr. (41.70880, -86.22773)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.6889	Other Multilane (2 Lane)	2006	ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	Michigan St. / Bartlett St. (41.68529, -86.25054)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.5161	Other Multilane (2 Lane)	2016	Adjacent to Hospital, incorporates cycle track on east leg. ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	Michigan St. / Chippewa Ave. (41.63608, -86.25035)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.9530	Other Multilane (2 Lane)	2016	ICD estimated from Google Maps linework.
Notre Dame, IN St. Joseph Co. United States	Douglas Rd. / Moreau Dr. (41.70933, -86.23394)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.2305	Other Multilane (2 Lane)	2015	Completion year estimated. ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	Douglas Rd. / Juniper Rd. (41.71270, -86.23662)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 40.1200	Other Multilane (2 Lane)	2015	Completion year estimated. ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	Auten Rd. / Ironwood Rd. (41.74540, -86.21714)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2085	Other Single-Lane	2013	Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Granger, IN St. Joseph Co. United States	Gumwood Rd. / Brick Rd. (41.73849, -86.17838)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.3007	Other Single-Lane	2014	Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Granger, IN St. Joseph Co. United States	Brick Rd. / Fir Rd. (41.73874, -86.15903)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.1918	Other Single-Lane	2017	https://prairievista.phmschools.org/intersection-brick-road-and-fir-road-closure. ICD estimated from Google Maps linework.
Granger, IN St. Joseph Co. United States	Gumwood Rd. / Adams Rd. (41.75302, -86.17867)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.1849	Other Single-Lane	2015	http://knollwoodhoa.com/category/adams-road-development/. ICD estimated from Google Maps linework.
Council Oak, IN St. Joseph Co. United States	Portage Ave. / Boland Dr. / Ribourde Dr. (41.71519, -86.28152)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7930	Other Single-Lane	2008	Replaced two offset-T intersections. ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	W Angela Blvd. / Riverside Dr. (41.69334, -86.26413)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6465	Other Single-Lane	2011	ICD estimated from Google Maps linework.
Mishawaka, IN St. Joseph Co. United States	Bittersweet Rd. / Cleveland Rd. (41.72457, -86.11058)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.0040	Other Multilane (2 Lane)	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	S Olive St. / W Sample St. (41.66432, -86.28265)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.5035	Other Multilane (2 Lane)	2017	date: https://southbendin.gov/2017/07/26/buttigieg-to-open-new-roundabout-at-olive-sample-st/ ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	Fellows St. / Dean Johnson Blvd. (41.66300, -86.24449)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.4441	Other Single-Lane		Lane drops on north and west legs without signs. Year Completed unknown (<1998). ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	Main St. / N Michigan S.t / E Marion St. / N Dr Martin Luther King Jr Blvd. (41.68180, -86.25046)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.7072	Other Single-Lane	2016	Right-turn-only lane on north leg. ICD estimated from Google Maps linework.
Massena, NY St. Lawrence Co. United States	Center St. / Parker Ave. (44.93393, -74.88746)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.5106	Other Single-Lane	2017	https://www.nny360.com/news/massena-roundabout-open-to-traffic/article_e871f943-583b-5820-a528-ca33bb8ee098.html. Previous intersection was a large triangle with a one-way road on one side, so no control signage. ICD estimated from Google Maps linework.
St. Louis, MO St. Louis United States	Halls Ferry / MO 367 (38.72251, -90.24017)	Rotary Existing	All-Way Yield None	6 Approaches 0 Driveways 86.6571	Other Multilane (2 Lane)		three of the six approaches are multilane and have dual lanes of traffic merging into both lanes of the roundabout; roundabout is unstriped. Description as follows: Halls Ferry Circle is 3 lanes wide, 350 foot diameter, 35 miles per hour and has 5 major roadways entering (from http://www.ballwin.mo.us/minutes_062402.html) ICD estimated from Google Maps linework.
Town and Country, MO St. Louis United States	MO 141 SB Ramps / Woods Mill Rd. (38.63523, -90.51449)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 38.2503	Other Single-Lane	2002	Previously controlled by one-way stop ICD estimated from Google Maps linework.
Chesterfield, MO St. Louis United States	Schoettler Valley Dr. / Highcroft Dr. (38.64415, -90.55331)	Other Removed	Unknown Unknown	4 Approaches 0 Driveways 17.7235	Other Single-Lane	1999	Temporary roundabout installed in Fall 1999. Removed September 25, 2000 due to negative public opinion. Intersection returned to AWSC. Functional Class: Local ICD estimated from Google Maps linework.