Roundabouts Database Index

15545 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
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)	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)	2014	Year Completed estimated (2013-2015). 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)	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)	2018	Year Completed estimated (2016-2019).
St Francis, MN Anoka Co. United States	Bridge St. NW / Lake George Blvd. NW (45.38685, -93.34720)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.6174	Other (At-Grade) Single-Lane	2016	Yield controlled right-turn bypass lane on south leg. https://www.stfrancis.k12.mn.us/page.cfm?p=383&newsid=2777. ICD estimated from Google Maps linework.
St Francis, MN Anoka Co. United States	Bridge St. NW / Poppy St. NW / Rum River Blvd. NW (45.38710, -93.35243)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.5845	Other (At-Grade) Single-Lane	2016	https://www.stfrancis.k12.mn.us/page.cfm?p=383&newsid=2777. ICD estimated from Google Maps linework.
St George, UT Washington Co. United States	N 400 E / E Tabernacle St. (37.10817, -113.57485)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5267	Other (At-Grade) Single-Lane	2014	https://fox13now.com/2014/05/22/utah-city-abounds-with-roundabouts/ ICD estimated from Google Maps linework.
St George, UT Washington Co. United States	N Country Ln. / Stonebridge Dr. / W Monterey Dr. (37.11117, -113.62943)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1450	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1993-2003). ICD estimated from Google Maps linework.
St George, UT Washington Co. United States	W Tonaquint Dr. / W 600 W (37.07423, -113.59600)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.3986	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
St George, UT Washington Co. United States	Lepido Way / View Point Dr. (37.07729, -113.54493)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 79.0876	Other (At-Grade) Single-Lane		No splitter islands. ICD estimated from Google Maps linework.
St George, UT Washington Co. United States	Stone Canyon Dr. / Paragon Dr. (37.07787, -113.54063)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 21.9157	Other (At-Grade) Single-Lane		No splitter islands on three legs. ICD estimated from Google Maps linework.
St George, UT Washington Co. United States	Stone Cliff Pkwy. / Cliff Point Dr. / Stone Cliff Dr. / Rockcrest Dr. (37.07936, -113.53767)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 35.2550	Other (At-Grade) Single-Lane		No splitter islands on three legs. ICD estimated from Google Maps linework.
St George, UT Washington Co. United States	S 2350 E / E 2800 S / Valley Springs Dr. (37.06161, -113.53567)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.4040	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
St George, UT Washington Co. United States	Overpass Dr. / W Silver Cloud Dr. / Hwy 18 SB Ramps (37.19430, -113.62345)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.1806	Freeway Ramps (Grade-Separated) Single-Lane	2006	ICD estimated from Google Maps linework.
St George, UT Washington Co. United States	Overpass Dr. / Ledges Pkwy. / Hwy 18 NB Ramps (37.19479, -113.62179)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.2775	Freeway Ramps (Grade-Separated) Single-Lane	2006	ICD estimated from Google Maps linework.
St George's, Bermuda	Blue Hole Hill / Kindley Field Rd. / Cahow Way (32.35955, -64.70547)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 34.3011	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
St Helens Park, NSW Campbelltown Australia	B69 (Appin Rd.) / Copperfield Dr. / Kellerman Dr. (-34.11424, 150.79774)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
St James, MN Watonwan Co. United States	1st Ave. S / Armstrong Blvd. N (43.98198, -94.62838)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 13.7502	Other (At-Grade) Mini-roundabout	2017	ICD estimated from Google Maps linework.
St James, MN Watonwan Co. United States	1st Ave. S / 7th St. S (43.98246, -94.62703)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 11.1720	Other (At-Grade) Mini-roundabout	2017	ICD estimated from Google Maps linework.
St John, IN Lake Co. United States	W 105th Pl. / Bridlewood St. (41.42788, -87.44468)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
St John, IN Lake Co. United States	W 107th Ave. / Olcott Ave. (41.42519, -87.48115)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island.
St John, IN Lake Co. United States	Sagebrook / Scarlett Oak / Bridlewood St. / W 107th Ln. (41.42453, -87.44468)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island; no splitter islands.
St John, IN Lake Co. United States	Park Pl. / W 103rd St. / W 105th Ave. (41.42981, -87.44027)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island.
St John, IN Lake Co. United States	Joliet St. / W 101st Ave. / Parrish St. (41.44113, -87.45029)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2017-2020).
St John’s, NL Newfoundland and Labrador Canada	Blackmarsh Rd. / Redmond's Rd. / Empire Ave. (47.54064, -52.76583)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.0189	Other (At-Grade) Single-Lane	2018	Right-turn bypass lane on west leg. ICD estimated from Google Maps linework.
St John’s, NL Newfoundland and Labrador Canada	Carrick Dr. / Paul Reynolds Community Center entrance (47.60297, -52.70838)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 48.3176	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
St John’s, NL Newfoundland and Labrador Canada	Hebron Way / Sea Rose Ave. (47.61578, -52.72824)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.4497	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
St John’s, NL Newfoundland and Labrador Canada	World Pkwy. / Navigator Ave. (47.61248, -52.75041)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.4522	Other (At-Grade) Multilane (2 Lane)	2016	ICD estimated from Google Maps linework.
St John’s, NL Newfoundland and Labrador Canada	Robin Hood Bay Rd. (east) (47.60559, -52.67235)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.6521	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
St John’s, NL Newfoundland and Labrador Canada	Robin Hood Bay Rd. (west) (47.60597, -52.67609)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.2099	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
St John’s, NL Newfoundland and Labrador Canada	Danny Dr. / Hwy 1 EB Ramps (47.49446, -52.86186)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 53.2595	Freeway Ramps (Grade-Separated) Single-Lane	2014	one leg blocked off ICD estimated from Google Maps linework.
St John’s, NL Newfoundland and Labrador Canada	Southlands Blvd. / Reservoir Rd. / Danny Dr. (47.50592, -52.82828)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 65.3496	Other (At-Grade) Multilane (2 Lane)	2016	ICD estimated from Google Maps linework.
St John’s, NL Newfoundland and Labrador Canada	Danny Dr. / Gallway Blvd. (47.50411, -52.82701)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 53.2497	Other (At-Grade) Single-Lane	2017	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 (At-Grade) 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 (At-Grade) 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 (At-Grade) 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 (At-Grade) 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 (At-Grade) 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 (At-Grade) 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 (At-Grade) 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 (At-Grade) Single-Lane	2017	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 (At-Grade) 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 (At-Grade) 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 (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
St John's, NL Newfoundland and Labrador Canada	Gallway Blvd. / (unknown) (47.50180, -52.83153)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 27.4329	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
St John's, NL Newfoundland and Labrador Canada	Ruth Ave. / Rte 2 WB Ramps (47.50841, -52.82303)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 47.5981	Freeway Ramps (Grade-Separated) Multilane (2 Lane)	2018	ICD estimated from Google Maps linework.
St Joost, Limburg Echt-Susteren Netherlands	N276 / A2-E25 Ramps (51.13476, 5.89665)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane)
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 (Grade-Separated) 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 (Grade-Separated) 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 (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
St Louis, MO St. Louis City Co. United States	McKinley Dr. / Wells Dr. (38.63354, -90.28072)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.4467	Other (At-Grade) Single-Lane	2008	Converted from traffic circle in 2007-2008. Previous circle had on-street parking in circulatory roadway. ICD estimated from Google Maps linework.
St Louis, MO St. Louis Co. United States	N Forty Dr. / I-64-US 40 WB Ramps (38.63631, -90.41822)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 50.3777	Freeway Ramps (Grade-Separated) Single-Lane	2009	Frontage road connection replaced direct connection to S Spoede Rd. ICD estimated from Google Maps linework.
St Louis, MO St. Louis Co. United States	S Forty Rd. / I-64-US 40 EB Ramps (38.63496, -90.41724)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 48.5127	Freeway Ramps (Grade-Separated) Single-Lane	2009	Frontage road connection replaced direct connection to S Spoede Rd. ICD estimated from Google Maps linework.
St Louis Park, MN Hennepin Co. United States	Cedar Lake Rd. / Zarthan Ave. (44.96544, -93.35534)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020
St Lucia, QLD Brisbane Australia	Sir Fred Schonell Dr. / Campbell Rd. / Sir William MacGregor Dr. / Mill Rd. (-27.49459, 153.01169)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		At The University of Queensland.
St Paul, MN Ramsey Co. United States	Coral Sea St. NE / Ring Rd. (45.12147, -93.19897)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 33.7090	Other (At-Grade) Multilane (2 Lane)	2007	ICD estimated from Google Maps linework.
St Paul, MN Dakota Co. United States	Northwood Pkwy. / Central Pkwy. / Denmark Ave. / (unknown) (44.83731, -93.15923)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4888	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
St Paul, MN Ramsey Co. United States	Frost Ave. / Parkway Dr. / E Shore Dr. (44.99925, -93.05696)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.4702	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
St Paul, MN Dakota Co. United States	Mendota Heights Rd. / Visitation Dr. (44.86554, -93.13174)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.3204	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
St Paul, MN Washington Co. United States	Hilton Trl. / TH 36 EB Ramps / Viking Dr. (45.03529, -92.95032)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 28.6959	Freeway Ramps (Grade-Separated) Single-Lane	2013	ICD estimated from Google Maps linework.
St Paul, MN Washington Co. United States	Hilton Trl. / TH 36 WB On-Ramp / 60th St. N (45.03645, -92.95099)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.1708	Freeway Ramps (Grade-Separated) Single-Lane	2013	ICD estimated from Google Maps linework.
St Simons Island, GA Glynn Co. United States	Brockinton Dr. / Hanging Moss Dr. (31.16501, -81.39671)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 40.8785	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
St Simons Island, GA Glynn Co. United States	Demere Rd. / E Beach Causeway (31.14836, -81.38116)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.arcgis.com/apps/MapJournal/index.html?appid=1665571e5832424bbef0fe01a60a00c0&section=7
St Simons Island, GA Glynn Co. United States	Ocean Blvd. / Ocean Rd. / E Beach Causeway / 1st St. (31.14671, -81.37451)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	https://www.arcgis.com/apps/MapJournal/index.html?appid=1665571e5832424bbef0fe01a60a00c0&section=8
St Thomas, ON Elgin Canada	Southdale Line / Lake Margaret Trl. (42.74945, -81.17914)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.8515	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
St Thomas, ON Elgin Canada	Wellington St. / Manor Rd. (42.77450, -81.15594)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.8070	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
St Thomas, ON Elgin Canada	Sunset Dr. / Talbot Hill / Wellington Rd. (42.78327, -81.21434)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.3338	Other (At-Grade) Multilane (2 Lane)	2017	Sculpture of a train in central island. ICD estimated from Google Maps linework.
St. Clair Township, OH Butler Co. United States	Hamilton Trenton Rd. / Riverside Dr. / Busenbark Rd. / (parking lot) (39.46565, -84.48671)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.7252	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
St. Clair Township, OH Butler Co. United States	Jacksonburg Rd. / Morganthaler Rd. (39.46012, -84.52261)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0399	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
St. Clair Township, OH Butler Co. United States	Eaton Rd. / Beissinger Rd. (39.44294, -84.58301)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6602	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
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)	2011	Opened March 8, 2011. ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	Main St. / 200 N St. / Diagonal St. (37.11152, -113.58350)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 30.4778	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	750 N St. / 2860 E St. (37.12077, -113.52450)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.5218	Other (At-Grade) Single-Lane	2001	Next to school campus. ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	Main St. / Hope St. (400 N) (37.11495, -113.58340)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 28.5717	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	E. Brigham Rd. / I-15 SB Ramps / Pioneer Rd. (37.05999, -113.58560)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways 78.1526	Freeway Ramps (Grade-Separated) Multilane (2 Lane)	2006	Combines interchange ramps and frontage road. ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	Tabernacle Rd. / Main St. (37.10812, -113.58350)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.8119	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	E. Brigham Rd. / I-15 NB Ramps (37.05939, -113.58350)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.8889	Freeway Ramps (Grade-Separated) Single-Lane	2006	Raindrop-shaped interchange terminal. ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	Washington Pkwy. / (unknown) (37.14462, -113.48590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9290	Other (At-Grade) Multilane (2 Lane)	2005	Date estimated. ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	N Ridgecrest / W 1130 N / (parking) (37.12710, -113.60330)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.5671	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	N Ridgecrest / Valley View Dr. / (parking) (37.12601, -113.60230)	Roundabout Existing	Unknown None	4 Approaches 0 Driveways 22.8540	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	(unknown) / (unknown) (37.15329, -113.63020)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 32.3648	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	Snow Canyon Pkwy. / (unknown) (37.16312, -113.64370)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.2034	Other (At-Grade) Multilane (2 Lane)	2004	ICD estimated from Google Maps linework.
St. Louis, MO St. Louis Co. United States	Halls Ferry / MO 367 (38.72251, -90.24017)	Rotary Existing	All-Way Yield None	6 Approaches 0 Driveways 86.6571	Other (At-Grade) 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.
St. Louis, MO St. Louis City Co. United States	Tower Grove Ave. / I-64 EB Off-Ramp (38.63045, -90.25538)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5879	Freeway Ramps (Grade-Separated) Single-Lane	2014	ICD estimated from Google Maps linework.
St. Louis, MO St. Louis City Co. United States	Gratiot St. / S 13th St. (38.62104, -90.20242)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 33.5923	Other (At-Grade) Single-Lane		No splitter islands. ICD estimated from Google Maps linework.
St. Simons, GA Glynn Co. United States	Demere Rd. / Frederica Rd. (31.15957, -81.38859)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.9249	Other (At-Grade) Multilane (2 Lane)	2008	ICD estimated from Google Maps linework.
St. Simons, GA Glynn Co. United States	Frederica Rd. / Lawrence Rd. (31.21650, -81.37550)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.8563	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
St. Simons Island, GA Glynn Co. United States	Harrison Point Dr. / Sinclair Ave. (31.18167, -81.38167)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 24.5228	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
St. Simons Island, GA Glynn Co. United States	Harrison Point Dr. / Graham Ave. (31.18167, -81.37972)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 22.4792	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Staffanstorp, Skane County Staffanstorp Sweden	Rte 108 / E22 Ramps / Malmövägen (55.67936, 13.18008)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 80.8069	Freeway Ramps (Grade-Separated) Multilane (2 Lane)		ICD estimated from Google Maps linework.
Staffanstorp, Skane County Staffanstorp Sweden	Rte 108 / E22 Ramps (55.67813, 13.18171)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 60.6071	Freeway Ramps (Grade-Separated) Multilane (2 Lane)		ICD estimated from Google Maps linework.
Stafford, VA Stafford Co. United States	Stefaniga Farms Dr. / Bergamont Dr. / Lupine Dr. (38.44014, -77.51576)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.8379	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Stafford, VA Stafford Co. United States	Woodstream Blvd. / Pike Pl. (38.47492, -77.40636)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.5956	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Stafford, VA Stafford Co. United States	Doc Stone Rd. / Juggins Rd. / Moncure Ln. (38.47662, -77.41360)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 39.2698	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Stafford Springs, CT Tolland Co. United States	Rte 32 / Rte 190 (41.95362, -72.30314)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 18.6523	Other (At-Grade) Multilane (2 Lane)	1890	Believed by some to be improperly signed and painted, though some roundabout features have been added in the past 10 years. Near railroad crossing. Year Completed estimated (1890?). ICD estimated from Google Maps linework.
Staines-upon-Thames, England Greater London United Kingdom	Stanwell Moor Rd. / Southern Perimeter Rd. (51.46354, -0.49342)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways 87.0576	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Staines-upon-Thames, England Greater London United Kingdom	Southern Perimeter Rd. / Western Perimeter Rd. (51.46226, -0.48932)	Roundabout Existing	All-Way Yield Pedestrian Signal (red-yellow-green to drivers)	4 Approaches 0 Driveways 64.7369	Other (At-Grade) Multilane (2 Lane)		ICD estimated from Google Maps linework.
Stäket, Stockholm County Järfälla Sweden	Rte 267 / E18 EB Ramps (59.47017, 17.81034)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.4357	Freeway Ramps (Grade-Separated) Multilane (2 Lane)		ICD estimated from Google Maps linework.
Stäket, Stockholm County Järfälla Sweden	Trafikplats Stäket (Rte 267 / E18 WB Ramps) (59.47308, 17.81194)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 61.2718	Freeway Ramps (Grade-Separated) Multilane (2 Lane)		ICD estimated from Google Maps linework.
Stamford, CT Fairfield Co. United States	Shippan Ave. / Fairview Ave. (41.02609, -73.52336)	Traffic Calming Circle Existing	Two-Way Stop None	4 Approaches 0 Driveways 13.5152	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.