| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Swindon,
                England Wiltshire United Kingdom | "Magic Roundabout" [A4312 / Drove Rd. / Fleming Way / A4289 (County Rd.) / Shrivenham Rd.] (51.56285, -1.77147) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 66.0791 | Other (At-Grade) Ring junction (3+ mini-roundabouts in ring) | 1972 | Ring junction of five mini-roundabouts. ICD estimated from Google Maps linework. | 
| Swindon,
                England Wilts United Kingdom | Pipers Roundabout (51.54561, -1.77064) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 57.9339 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Swindon,
                England Wilts United Kingdom | Belle Vue Rd. / Drove Rd. (51.55480, -1.77616) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 14.8519 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Swindon,
                England Wilts United Kingdom | Fleming Way / Spring Gardens (51.56260, -1.77877) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 15.5918 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Swindon,
                England Wilts United Kingdom | Fleming Way / Princes St. (51.56262, -1.78059) | Roundabout Removed | All-Way Yield Unknown | 4 Approaches 0 Driveways 71.2766 | Other (At-Grade) Unknown | ICD estimated from Google Maps linework. | |
| Swindon,
                England Wilts United Kingdom | Corporation St. / Broad St. (51.56386, -1.78054) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 15.5913 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Swindon,
                England Wilts United Kingdom | Great Western Way / Corporation St. (51.56788, -1.78271) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 45.2851 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Swindon,
                England Wilts United Kingdom | Great Western Way / Polaris Way (51.56811, -1.78391) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 32.6645 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Swindon,
                England Wilts United Kingdom | B4289 / N Star Ave. (51.56987, -1.78866) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 37.8597 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Swindon,
                England Wilts United Kingdom | N Star Ave. / Hawksworth Way (51.56889, -1.78968) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 35.6334 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Swindon,
                England Wilts United Kingdom | A4311 / Elgin Dr. (51.57595, -1.77163) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 37.8546 | Other (At-Grade) Multilane (3+ Lane) | ICD estimated from Google Maps linework. | |
| Swindon,
                England Wilts United Kingdom | A4311 / Kembrey St. (51.57749, -1.77427) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 37.1111 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Swindon,
                England Wilts United Kingdom | A4311 / Chapel St. (51.57187, -1.77101) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 37.1157 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Swindon,
                England Wilts United Kingdom | Chapel Street / Bright Street (51.57181, -1.77297) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 89.0778 | Other (At-Grade) Single-lane w/ Traversable Central Island | ICD estimated from Google Maps linework. | |
| Swindon,
                England Swindon United Kingdom | Edison roundabout [B4006 (Dorcan Way) / Edison Rd. / Eldene Dr.] (51.55484, -1.73206) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Swindon,
                England Swindon United Kingdom | B4534 (Westfield Way) / Haydonleigh Dr. / Stonecrop Way (51.59347, -1.81258) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Swinomish Tribal Community,
                WA Skagit Co. United States | Knudsen Ln. / Casino Dr. (48.45635, -122.51910) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.2668 | Other (At-Grade) Single-Lane | 2013 | Year Completed estimated (2012-2013). ICD estimated from Google Maps linework. | 
| Swinomish Tribal Community,
                WA Skagit Co. United States | SR 20 / Padilla Heights Rd. (48.45519, -122.51940) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.2280 | Other (At-Grade) Single-Lane | 2002 | The ground breaking ceremony was held October 2002. The client is the Swinomish Tribe. Opened October 2002. Functional Class: Local ICD estimated from Google Maps linework. | 
| Świnoujście,
                Zachodniopomorskie Swinoujscie Poland | Grunwaldzka / Konstytucji 3 Maja / Marynarzy / Plac Kościelny (53.90805, 14.24746) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Świnoujście,
                Zachodniopomorskie Swinoujscie Poland | Konstytucji 3 Maja / Jarosława Dąbrowskiego (53.90903, 14.24631) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Świnoujście,
                Zachodniopomorskie Swinoujscie Poland | Rondo Róży Wiatrów [Piastowska / Mieszka I / Bolesława Chrobrego / Władysława Sikorskiego] (53.91031, 14.25585) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Swords,
                Co Dublin Ireland | Clonshaugh Rd. / Stockhole Ln. / (parking) (53.41175, -6.21645) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Oval shaped. | |
| Swords,
                Co Dublin Ireland | R139 / Clonshaugh Rd. (53.41061, -6.21754) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Swords,
                Co Dublin Ireland | Airport Roundabout [R132 (Swords Rd. -  Dublin Rd.) / Corballis Rd. South / (M1 connector)] (53.42826, -6.22964) | Signalized Roundabout/Circle Existing | Signal None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | ||
| Swords,
                Co Dublin Ireland | Cloghran Roundabout [R132 (Dublin Rd.) / Naul Rd. / Stockhole Ln.] (53.43407, -6.22872) | Signalized Roundabout/Circle Existing | Signal None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Sycamore Township,
                OH Hamilton Co. United States | Plainfield Rd. / Sycamore Rd. (39.21534, -84.39192) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 37.9388 | Other (At-Grade) Single-Lane | 2019 | ICD estimated from Google Maps linework. | 
| Sydenham,
                Victoria Brimbank Australia | Overton Lea Blvd. / Trickey Ave. / Milligan Parade (-37.69692, 144.76584) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Sydenham,
                Victoria Brimbank Australia | Overton Lea Blvd. / Community Hub (-37.70182, 144.76444) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Sydenham,
                Victoria Brimbank Australia | Community Hub / Delbridge Dr. (-37.70163, 144.76143) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Sydenham,
                Victoria Brimbank Australia | Community Hub / Meade Way (-37.70159, 144.75944) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways | Other (At-Grade) Single-Lane | ||
| Sydney,
                New South Wales Campbelltown Australia | The Kraal Dr. / Maryfields Dr. (-34.06289, 150.79831) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Sydney,
                New South Wales Liverpool Australia | Anzac Rd. / Delfin Dr. (-33.94612, 150.94045) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Sydney,
                New South Wales Liverpool Australia | Feodore Dr. / Newgate Blvd. / Stirling St. (-33.89480, 150.84627) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Sydney,
                New South Wales Fairfield Australia | St Johns Rd. / Gladstone St. (-33.88914, 150.92917) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Sydney,
                New South Wales Hawkesbury Australia | A9 (Blacktown Rd. - George St.) / Blacktown Rd. (-33.63979, 150.78419) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | ||
| Sydney,
                New South Wales Penrith Australia | A9 (Blacktown Rd. -  The Northern Rd.) / Richmond Rd. / The Northern Rd. (-33.64165, 150.78585) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Sydney,
                New South Wales Georges River Australia | Lorraine St. / Isaac St. / Roberts Ave. (-33.96848, 151.05987) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-lane w/ Traversable Central Island | ||
| Sydney,
                New South Wales Ryde Australia | Constitution Rd. / Station St. (-33.81484, 151.08800) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-lane w/ Traversable Central Island | ||
| Sydney,
                New South Wales Ryde Australia | Constitution Rd. / Mons Ave. (-33.81481, 151.08529) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-lane w/ Traversable Central Island | ||
| Sydney,
                New South Wales Campbelltown Australia | Henderson Rd. / Williamson Rd. / Garner Pl. / Macquarie Links Rd. (-33.98662, 150.86633) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Sydney,
                New South Wales Campbelltown Australia | Rose Payten Dr. / Airds Rd. (-34.04585, 150.83176) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Sydney,
                New South Wales Campbelltown Australia | Eagle Vale Dr. / Emerald Dr. (-34.03603, 150.80488) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Sydney,
                New South Wales Northern Beaches Australia | Kambora Ave. / Hakea Ave. / Pound Ave. (-33.74312, 151.20141) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Sydney,
                New South Wales Campbelltown Australia | Georges River Rd. / Wheatley Dr. (-34.07856, 150.83100) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-lane w/ Traversable Central Island | ||
| Sydney,
                New South Wales Blacktown Australia | Jersey Rd. / Pringle Rd. / Daniels Rd. (-33.74375, 150.82844) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Sydney,
                New South Wales Blacktown Australia | Kensington Park Rd. / Boundary Rd. (-33.68587, 150.88113) | Unknown Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Sydney,
                New South Wales Blacktown Australia | Woodstock Ave. / Duke St. (-33.75820, 150.83095) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Sydney,
                New South Wales Blacktown Australia | Woodstock Ave. / Pringle Rd. / Morehead Ave. (-33.75736, 150.82549) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Sydney,
                New South Wales Blacktown Australia | Woodstock Ave. / Carlisle Ave. (-33.75634, 150.81861) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Sydney,
                New South Wales Liverpool Australia | Green Valley Rd. / Whitford Rd. (-33.90290, 150.87204) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Sydney,
                New South Wales Sutherland Shire Australia | N West Arm Rd. / Wanganui Rd. / Avenel Rd. (-34.04287, 151.07877) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Elliptical shaped. | |
| Sydney,
                New South Wales Cumberland Australia | Merrylands Rd. / Gipps Rd. / Greystanes Rd. (-33.82727, 150.93192) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Sydney,
                New South Wales Campbelltown Australia | Englorie Park Dr. / Invergowrie Ave. (-34.09301, 150.78731) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Sydney,
                New South Wales Australia | Johnston Rd. / Flinders Rd. / Manuka Crescent (-33.90344, 150.99487) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Sydney,
                New South Wales Mosman Australia | Spofforth St. / Rangers Ave. (-33.83173, 151.22962) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Sydney,
                New South Wales Fairfield Australia | Victoria St. / Wetherill St. (-33.84822, 150.91833) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Sydney,
                NS Cape Breton Canada | George St. / Hwy 125 EB Ramps / Louisbourg Hwy. (46.11459, -60.16760) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 43.8803 | Freeway Ramps (Grade-Separated) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Sydney,
                NS Cape Breton Canada | Churchill Dr. / Hwy 125 WB Ramps (46.10795, -60.18697) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 46.3697 | Freeway Ramps (Grade-Separated) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Sydney,
                New South Wales Parramatta Australia | Australia Ave. / Underwood Rd. / A3 (Homebush Bay Dr.) Ramps (-33.85401, 151.07718) | Roundabout Existing | All-Way Yield Metering Signal | 4 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | https://www.smh.com.au/national/nsw/sydney-s-worst-roundabout-gets-100m-upgrade-work-won-t-start-for-three-years-20220426-p5ag6u.html | |
| Sydney River,
                NS Cape Breton Canada | Kings Rd. / (unknown) (46.10633, -60.22633) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | https://mobile.twitter.com/NS_TAT/status/1330927616891752453 | 
| Sykesville,
                MD Carroll Co. United States | Old Washington Rd. (MD 97) / W Old Liberty Rd. (39.42906, -77.00755) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.1330 | Other (At-Grade) Single-Lane | 2000 | Year Completed estimated (1995-2005). ICD estimated from Google Maps linework. | 
| Sykesville,
                MD Carroll Co. United States | Bennett Rd. / Monroe Ave. (39.41306, -76.92967) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.7590 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Sykesville,
                MD Carroll Co. United States | Smithfield Ave. / Warfield Ave. (39.37673, -76.96410) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.0835 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | Elliptical shape. ICD estimated from Google Maps linework. | 
| Sylva,
                NC Jackson Co. United States | NC 116 (Webster Rd.) / Bonnie Ln. / Southwestern Community College Entrance (35.34999, -83.20777) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.1206 | Other (At-Grade) Single-Lane | 2016 | ICD estimated from Google Maps linework. | 
| Sylvan Lake,
                AB Alberta Canada | Hwy 11A E / Hwy 20 (52.31931, -114.06992) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 40.1525 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Sylvan Lake,
                AB Division 8 Canada | Hwy 11 (David Thompson Hwy.) / 50 St. / Hwy 781 (52.28232, -114.09704) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Painted spiral in circulatory roadway. Previous control was stop control on south leg and yield control on north leg. Year Completed estimated (2022-2023). | 
| Sylvan Lake,
                AB Division 8 Canada | Hwy 11 (David Thompson Hwy.) / 60 St. / Range Road 15 (52.28193, -114.12092) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Painted spirals in circulatory roadway. Year Completed estimated (2022-2023). | 
| Sylvan Lake,
                AB Division 8 Canada | Crestview Blvd. / (unknown) (52.29241, -114.09186) | Other Existing | All-Way Yield None | 3 Approaches 0 Driveways 24.0000 | Other (At-Grade) Single-Lane | 2022 | No splitter islands. | 
| Sylvan Lake,
                AB Division 8 Canada | Hwy 20 / Erickson Rd. (52.31537, -114.07144) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.0000 | Other (At-Grade) Single-Lane | 2019 | https://www.sylvanlakenews.com/news/sylvan-lake-council-reallocates-over-1-million-for-intersection-upgrades/ | 
| Sylvan Lake,
                AB Division 8 Canada | Crestview Blvd. / Cameron Close (52.29481, -114.09185) | Other Existing | Unknown None | 3 Approaches 0 Driveways 24.0000 | Other (At-Grade) Single-Lane | 2014 | No splitter islands. | 
| Sylvan Lake,
                AB Division 8 Canada | Springfield Blvd. / (unknown) (52.29534, -114.12423) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2017 | |
| Sylvania,
                OH Lucas Co. United States | Brint Rd. / Centennial Rd. (41.70259, -83.74328) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.lucascountyengineer.org/brint--centennial-roundabout.html | 
| Sylvania,
                OH Lucas Co. United States | Brint Rd. / Mitchaw Rd. (41.70204, -83.76222) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.9930 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| Sylvania Township,
                OH Lucas Co. United States | W Sylvania Ave. / Mitchaw Rd. (41.68780, -83.76150) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 35.6760 | Other (At-Grade) Single-Lane | 2013 | ICD estimated from Google Maps linework. | 
| Sylvania Township,
                OH Lucas Co. United States | Sylvania Ave. / Centennial Rd. (41.68821, -83.74265) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 21.4055 | Other (At-Grade) Single-Lane | 2016 | ICD estimated from Google Maps linework. | 
| Sylvania Township,
                OH Lucas Co. United States | Sylvania-Metamora Rd. / Mitchaw Rd. (41.71631, -83.76299) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.7922 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Sylvania Township,
                OH Lucas Co. United States | Brint Rd. / N King Rd. (41.70285, -83.72376) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5594 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Syracuse,
                NY Onondaga Co. United States | Carrier Circle (Carrier Pkwy. / I-90 Ramps / Thompson Rd.) (43.08791, -76.09052) | Rotary Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 183.1674 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Syracuse,
                UT Davis Co. United States | S Bluff Rd. / S 2000 W / W 2700 S (41.07470, -112.06459) | Roundabout Existing | All-Way Yield None | 6 Approaches 0 Driveways 33.3129 | Other (At-Grade) Single-Lane | 2000 | Painted splitter islands. Year Completed estimated (1997-2003). ICD estimated from Google Maps linework. | 
| Syracuse,
                UT Davis Co. United States | 2019 W 1900 S (41.08617, -112.06344) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 13.5029 | Other (At-Grade) Single-Lane | 2006 | Painted splitter islands with crosswalks that extend through the islands without a break in the painted islands. Year Completed estimated (2005-2008). ICD estimated from Google Maps linework. | 
| Syracuse,
                UT Davis Co. United States | S 1000 W / W 2700 S (41.07468, -112.04539) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 30.6119 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2006-2009). ICD estimated from Google Maps linework. | 
| Syracuse,
                UT Davis Co. United States | Gentile St. (W 3700 S) / S Bluff Rd. (41.06024, -112.04083) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2020 | https://www.facebook.com/crsengineers/videos/check-out-the-roundabout-at-bluff-and-gentile-st-in-syracuse-ut-the-roundabout-w/1573308289523790/ | 
| Syracuse,
                IN Elkhart Co. United States | US 6 / SR 13 / CR 33 (41.45058, -85.75045) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | |
| Syracuse,
                UT Davis Co. United States | W Parkview Dr. / S 2000 W (41.06461, -112.06470) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2017-2018). | 
| Syracuse,
                NY Onondaga Co. United States | E Brighton Ave. / E Glen Ave. / I-481 WB Exit Ramp / I-81 NB Entrance Ramp (43.00895, -76.13260) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Unknown | 2024 | https://dailyorange.com/2024/09/new-york-transportation-completes-syracuse-roundabout/ | 
| Syracuse,
                UT Davis Co. United States | W 700 S / S 3000 W (41.10366, -112.08391) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0520 | Other (At-Grade) Single-Lane | 2015 | Year Completed estimated (2015-2016). | 
| Szczecin,
                Zachodniopomorskie Szczecin Poland | Władysława Szafera / Tadeusza Zawadzkiego (53.45731, 14.49743) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways | Other (At-Grade) Single-Lane | Trams through central island. | |
| Szczecin,
                Zachodniopomorskie Szczecin Poland | Rondo Olszewskiego [DW 115 (Aleja Wojska Polskiego) / Władysława Szafera / Aleja Spacerowa] (53.45858, 14.50215) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Szczecin,
                Zachodniopomorskie Szczecin Poland | Marszalka Józefa Pilsudskiego / Aleja Wojska Polskiego / Aleja Piastów / Wielkopolska / 5 Lipca (53.43314, 14.54021) | Roundabout Existing | All-Way Yield None | 6 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | Trams through central island with uncontrolled crossings across circulatory roadway. | |
| Szeged,
                Csongrád Hungary | Hwy 55 / Hwy 502 (46.25203, 20.08182) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Szeged,
                Csongrád Hungary | Hwy 5 / Hwy 502 (46.23254, 20.08774) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Szeged,
                Csongrád Szegedi járás Hungary | SR 47 (Algyői út) / M43-E68 WB Ramps (46.29561, 20.17698) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | Turbo roundabout. | |
| Szeged,
                Csongrád Szegedi járás Hungary | SR 47 (Algyői út) / M43-E68 EB Ramps (46.29441, 20.17629) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Turbo roundabout. | |
| Székesfehérvár,
                Fejér Székesfehérvári járás Hungary | SR 7 (Szent Flórián körút) / SR 801 (Új Csóri út) / Palotai út / (connector to Farkasvermi köz) (47.20474, 18.38689) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Székesfehérvár,
                Fejér Székesfehérvári járás Hungary | SR 8-SR 63-E66 / Sárkeresztúri utca / (shopping centre entrance) (47.15210, 18.43281) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Székesfehérvár,
                Fejér Székesfehérvári járás Hungary | Horvát István utca / Balatoni út (47.18130, 18.40655) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways | Other (At-Grade) Single-Lane | ||
| Székesfehérvár,
                Fejér Székesfehérvári járás Hungary | Horvát István utca / Lövölde utca / Deák Ferenc utca (47.18572, 18.42273) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Szekszárd,
                Tolna Szekszárdi járás Hungary | M9 / M6 (46.38934, 18.71348) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Szeleste,
                Vas Sárvári járás Hungary | Dózsa György utca / E65 NB Ramps / (connector to SR 86) (47.30150, 16.83915) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | ||
| Szeleste,
                Vas Sárvári járás Hungary | Dózsa György utca / E65 SB Ramps / (connector to SR 86) (47.30293, 16.83570) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane |