| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Saint-Henri,
                QC Bellechasse Regional County Municipality Canada | Route Campagna / Rue des Prés-Verts / Rue Commerciale (46.70046, -71.07274) | Roundabout Existing | All-Way Yield None | 4 Approaches 1 Driveways 47.5070 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Saint-Grégoire,
                Brittany Ille-et-Vilaine France | Rond-Point de la Ricoquais (Boulevard de la Ricoquais / Boulevard de Saint-Exupery) (48.15917, -1.67750) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 69.3123 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Grégoire,
                Brittany Ille-et-Vilaine France | Rue de General de Gaulle / Boulevard de la Boutiere / Avenue Saint-Vincent (48.14360, -1.68653) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 47.0192 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Saint-Geours-de-Maremne,
                Nouvelle-Aquitaine Landes France | D810 / D12 / D824E / Route du Lavoir (43.68761, -1.22954) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 34.5455 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Saint-Gédéon,
                QC Lac-St-Jean-Est Canada | Rte 170 / Rang de la Belle-Rivière / Rue de Quen (48.47879, -71.79000) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.7941 | Other (At-Grade) Single-Lane | 2009 | Year Completed estimated (2008-2010). 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. | 
| Sainte-Agathe-des-Monts,
                QC Les Laurentides Regional County Municipality Canada | Rte 117 / Rue Desjardins / Rue Principale E / Rue Raymond (46.04551, -74.27814) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 39.7904 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Year Completed estimated (2009-2014). 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. | 
| 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). | 
| Saint-Charles,
                MD Charles Co. United States | St Owen Ct. / Oyster Reef Pl. / Ottawa Park Pl. (38.58026, -76.91047) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2008 | |
| Saint-Charles,
                MD Charles Co. United States | Smugglers Notch Ct. / Jacksonhole Pl. (38.60188, -76.94805) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Saint-Augustin-de-Desmaures,
                QC Quebec Canada | Rue de l'Hétrière / Rue Lionel-Groulx (46.74435, -71.39031) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 25.3710 | Other (At-Grade) Single-Lane | 2011 | Year Completed estimated (20120-2012). ICD estimated from Google Maps linework. | 
| Saint-Augustin-de-Desmaures,
                QC Capitale-Nationale Canada | Chemin de la Butte / Chemin du Lac (46.74119, -71.40780) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2013 | Left-turn-only lane on west leg. Right-turn-only lanes on east and north legs. | 
| Saint-Armand,
                QC Brome-Missisquoi Regional County Municipality Canada | Rte 133 / Chemin Champlain / Chemin du Moulin (45.06420, -73.06729) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2023 | https://www-mrcbm-qc-ca.translate.goog/actualites/nouvelle-configuration-du-carrefour-giratoire-a-saint-armand-a-proximite-de-la-future-autoroute-35?_x_tr_sl=fr&_x_tr_tl=en&_x_tr_hl=en&_x_tr_pto=sc | 
| Saint-Anselme,
                QC Bellechasse Regional County Municipality Canada | Rte Bégin (Rte 277) / Rang de la Montagne (46.64496, -70.99509) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.0000 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2018-2019). | 
| Saint-Anselme,
                QC Bellechasse Regional County Municipality Canada | Chemin Saint-Jacques / Chemin Sainte-Anne (46.62899, -70.98278) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.0000 | Other (At-Grade) Single-Lane | 2017 | Year Completed estimated (2016-2017). | 
| Saint Petersburg,
                St. Petersburg City Saint Petersburg Russia | Revolyutsii shosse / Energetikov prospekt (59.96027, 30.43811) | Rotary Existing | All-Way Yield Pedestrian Signal (red-yellow-green to drivers) | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Saint Paul's Bay, Malta | Rte 1 / Triq San Pawl (35.94480, 14.38503) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Saint Paul's Bay, Malta | Rte 1 / Rte 18 (35.94385, 14.38436) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Saint Paul's Bay, Malta | Triq il-Kahli / Triq Sant Aristarku (35.94842, 14.41088) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Saint Paul's Bay, Malta | Rte 1 / Rte 16 (35.94409, 14.41124) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Saint Paul's Bay, Malta | Triq il-Mistra / Triq-Raddet Ir-Roti (35.95293, 14.38697) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Saint Pauls,
                England Sandwell United Kingdom | A4252 (Telford Way - Kenrick Way) / A4182 (Kenrick Way) / Dartmouth Rd. (52.50672, -1.97607) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Saint Paul,
                MN Ramsey Co. United States | Laurel Ave. / St Alban's St. (44.94493, -93.12880) | Other Existing | Uncontrolled Unknown | 4 Approaches 0 Driveways 43.1118 | Other (At-Grade) Single-Lane | Park in central island. ICD estimated from Google Maps linework. | |
| Saint Michaels,
                England Liverpool United Kingdom | Riverside Dr. / Promenade Gardens (53.37484, -2.95951) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways | Other (At-Grade) Single-Lane | ||
| Saint Lucie West,
                FL St. Lucie Co. United States | Tradition Pkwy. / (unknown) (27.27040, -80.45863) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | |
| Saint Lucie West,
                FL St. Lucie Co. United States | SW Westcliffe Ln. / SW Boardwalk Blvd. (27.27553, -80.45522) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2021 | |
| Saint Lucie West,
                FL St. Lucie Co. United States | Tradition Pkwy. / (unknown) (27.27607, -80.47061) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Single-Lane | 2023 | |
| Saint Lucie West,
                FL St. Lucie Co. United States | (unknown) / (unknown) (27.23393, -80.42629) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2019 | |
| Saint Lucie West,
                FL St. Lucie Co. United States | SW Gingerline Dr. / (unknown) (27.23283, -80.42708) | Other Existing | Uncontrolled Unknown | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2019 | |
| Saint Lucie West,
                FL St. Lucie Co. United States | SW Gingerline Dr. / SW Sephia Dr. (27.23169, -80.42154) | Other Existing | Uncontrolled Unknown | 3 Approaches 0 Driveways 35.9664 | Other (At-Grade) Single-Lane | 2018 | |
| Saint Lucie West,
                FL St. Lucie Co. United States | (unknown) (27.22100, -80.41969) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2023 | |
| Saint Lucie West,
                FL St. Lucie Co. United States | (unknown) (27.21776, -80.41105) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 54.8640 | Other (At-Grade) Single-Lane | 2023 | Painted splitter island on west leg. | 
| Saint Lucie West,
                FL St. Lucie Co. United States | Champions Way / One Putt Pl. (27.29932, -80.41923) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Single-Lane | 2003 | |
| Saint Lucie West,
                FL St. Lucie Co. United States | Champions Way / (unknown) (27.30724, -80.42218) | Other Existing | Uncontrolled None | 3 Approaches 0 Driveways 31.0896 | Other (At-Grade) Single-Lane | 1999 | |
| Saint Lucie West,
                FL St. Lucie Co. United States | NW St James Blvd. / NW Dover Ct. / NW Sheffield Cir. / NW Stratford Ln. (27.36057, -80.36986) | Other Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Pedestrian access to central island. | |
| Saint Lucie West,
                FL St. Lucie Co. United States | NW Vizcaya Falls / NW Cataluna Cir. (27.35695, -80.38274) | Other Existing | Other Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Mix of yield and uncontrolled entries. | |
| Saint Lucie West,
                FL St. Lucie Co. United States | NW Central Park Plaza (27.31628, -80.39413) | Other Existing | Unknown Unknown | 2 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Saint Lucie West,
                FL St. Lucie Co. United States | SW Lake Forest Way / SW Talquin Ln. (27.30100, -80.38085) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Saint Lucie West,
                FL St. Lucie Co. United States | SW Newport Isles Blvd. / Brigantine Pl. (27.25873, -80.40850) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Saint Lucie West,
                FL St. Lucie Co. United States | Tradition Pkwy. / SW Stony Creek Way (27.26483, -80.45534) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2005 | Year Completed estimated (2004-2006). North leg added 2009-2010. South leg added 2019-2021. | 
| Saint Lucie West,
                FL St. Lucie Co. United States | SW Ambrose Way (27.29930, -80.43026) | Other Existing | Unknown Unknown | 2 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Saint Lucie West,
                FL St. Lucie Co. United States | SW Visconti Way / SW Appian Way (27.31016, -80.43776) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Saint Lucie West,
                FL St. Lucie Co. United States | SW Copper Creek Dr. / NW Marjorie Ln. (27.32703, -80.45032) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 54.8640 | Other (At-Grade) Single-Lane | 2007 | No truck apron. Year Completed estimated (2006-2007). | 
| Saint Lucie West,
                FL St. Lucie Co. United States | Burnside Dr. / SW Burnside St. / SW Copper Creek Dr. (27.32907, -80.44632) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2007 | No truck apron. Painted splitter island on north leg. Year Completed estimated (2006-2007). | 
| Saint Lucie West,
                FL St. Lucie Co. United States | SW Peacock Blvd. / SW Fountainview Blvd. (27.31006, -80.40720) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2008 | Little to no entry curvature. Year Completed estimated (2007-2009). | 
| Saint Lucie West,
                FL St. Lucie Co. United States | NW Courtyard Cir. / (unknown) (27.31244, -80.40819) | Other Existing | All-Way Stop Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | ||
| Saint Lucie West,
                FL St. Lucie Co. United States | NW Courtyard Cir. / (parking) (27.31400, -80.41023) | Other Existing | All-Way Stop Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | Pedestrian access to central island. | |
| Saint Lucie West,
                FL St. Lucie Co. United States | (unknown) (27.32280, -80.40029) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Saint Lucie West,
                FL St. Lucie Co. United States | (unknown) (27.32474, -80.39883) | Other Existing | Unknown Unknown | 2 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | Pedestrian access to central island. | |
| Saint Lucie West,
                FL St. Lucie Co. United States | (unknown) (27.32782, -80.39890) | Other Existing | Unknown Unknown | 2 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | Pedestrian access to central island. | |
| Saint Louis Park,
                MN Hennepin Co. United States | Louisiana Ave S / TH 7 EB Ramps / W Lake St. (44.93713, -93.36925) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 59.1811 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2014 | ICD estimated from Google Maps linework. | 
| Saint Louis Park,
                MN Hennepin Co. United States | Louisiana Ave. S / TH 7 WB Ramps (44.93821, -93.36965) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 43.9623 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2014 | ICD estimated from Google Maps linework. | 
| Saint Louis Park,
                MN Hennepin Co. United States | Louisiana St. S / Walker St. (44.93923, -93.37002) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.1982 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | ICD estimated from Google Maps linework. | 
| Saint Louis,
                MO St. Louis City United States | Center Cross Dr. / Main Dr. (38.60658, -90.25836) | Other Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Saint Leonard,
                MD Calvert Co. United States | Calvert Beach Rd. / MD 765 Saint Leonard Rd. (38.47316, -76.50607) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 25.2460 | Other (At-Grade) Single-Lane | 2002 | ICD estimated from Google Maps linework. | 
| Saint Julian's, Malta | Triq Ross / Church St. / Vjal Portomaso (35.92127, 14.49160) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Saint John,
                NB Saint John Canada | Champlain Dr. / Creighton Ave. (45.29003, -66.00257) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Unknown | Pedestrian access to central island. | |
| Saint James,
                St James Jamaica | Bogue Blvd. / Ocean Blvd. / Scallop St. / Anchor Ave. (18.44276, -77.92208) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Saint James,
                St James Jamaica | Ocean Blvd. / Octopus St. / Pelican St. (18.44199, -77.91730) | Other Unknown | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Saint James,
                St James Jamaica | Cathrine Hall / Sea Grape Ave. (18.46028, -77.92384) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Saint James,
                St James Jamaica | Cathrine Hall / W Green Rd. / June Plum Ave. (18.45998, -77.92070) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Saint James,
                St James Jamaica | W Green Ave. / W Green Crescent (18.45938, -77.91796) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Saint James,
                St James Jamaica | A1 (Northern Coastal Hwy) / Queens Dr. / Sunset Blvd. / Airport Rd. (18.49465, -77.91741) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 1 Driveways | Other (At-Grade) Multilane (2 Lane, 2x2 max) | ||
| Saint Helens,
                England Saint Helen's United Kingdom | A58 (Linkway West - Linkway East) / A570 (Saint Helens Linkway) / Milverny Way (53.44771, -2.73260) | Roundabout Existing | All-Way Yield None | 4 Approaches 1 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Saint Helens,
                England Saint Helen's United Kingdom | A570 (Saint Helens Linkway) / A569 (Scorecross) / Burtonhead Rd. / Sherdley Rd. (53.44164, -2.72973) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Saint Helens,
                England Saint Helen's United Kingdom | A58 (Westfield St.) / A570 (Linkway West - Kirkland St.) / A571 (King St.) (53.45262, -2.74324) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Saint Helens,
                England Saint Helen's United Kingdom | A571 (Green Leach Ln. - Haresfinch View) / Washway Ln. (53.46776, -2.72918) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Saint Helena,
                Victoria Australia | St Helena Rd. / Wallowa Rd. / Aqueduct Rd. (-37.68602, 145.13706) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Saint Helena,
                Victoria Australia | Aqueduct Rd. / Erinne Ct. / (parking) (-37.68494, 145.13686) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Saint George,
                UT Washington Co. United States | Airport Pkwy. / Desert Canyons Pkwy. (37.02456, -113.50841) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.1410 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| Saint Cloud,
                MN Stearns Co. United States | University Dr. S / 5th Ave. S (45.54947, -94.15455) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.1097 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | ICD estimated from Google Maps linework. | 
| Saint Cloud,
                MN Stearns Co. United States | Pine Cone Rd. / Glenview Ln. / Center St. (45.58271, -94.22162) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.9278 | Other (At-Grade) Single-Lane | 2009 | ICD estimated from Google Maps linework. | 
| Saint Cloud,
                MN Stearns Co. United States | CR 120 / CR 134 / 20th St. N / 50th Ave. N (45.58623, -94.21066) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.1200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | ICD estimated from Google Maps linework. | 
| Saint Cloud,
                MN Stearns Co. United States | 20th St. N / Centracare Cir. (45.58611, -94.20568) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 40.1201 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | ICD estimated from Google Maps linework. | 
| Saint Cloud,
                MN Stearns Co. United States | 50th Ave. N / 23rd St. S (45.58901, -94.21063) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.2675 | Other (At-Grade) Single-Lane | 2011 | ICD estimated from Google Maps linework. | 
| Saint Cloud,
                WI Fond Du Lac Co. United States | CR G / STH 23 WB Ramps (43.77241, -88.17078) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1480 | Freeway Ramps (Grade-Separated) Single-Lane | 2020 | Raindrop shaped. | 
| Saint Cloud,
                WI Fond Du Lac Co. United States | CR G / STH 23 EB Ramps (43.77066, -88.17090) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1480 | Freeway Ramps (Grade-Separated) Single-Lane | 2020 | Raindrop shaped. | 
| Saint Clair,
                OH Butler Co. United States | Wayne Madison Rd. / Trenton Rd. (39.47196, -84.47733) | Roundabout Existing | All-Way Yield Other | 4 Approaches 0 Driveways 62.4840 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | Egg shaped. ICD = 205 ft x 180 ft. Railroad crossing approximately 900 feet to south with railroad queue detection on south leg of roundabout to limit roundabout blockage. | 
| Saint Charles,
                MD Charles Co. United States | Middletown Rd. / Billingsley Rd. (38.60721, -76.97561) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 53.3400 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | https://www.charlescountymd.gov/our-county/infrastructure/traffic-signal-projects/middletown-road-billingsley-road-roundabout | 
| Saint Charles,
                MD Charles Co. United States | Lexington Dr. / Montpelier Dr. (38.64225, -76.96877) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Saint Charles,
                MD Charles Co. United States | Radford St. / Montpelier Dr. (38.64135, -76.97106) | Other Existing | Unknown Unknown | 3 Approaches 4 Driveways 0.0000 | Other (At-Grade) Single-Lane | Pedestrian access to central island. | |
| Saint Charles,
                MD Charles Co. United States | Ethridge Dr. / Nobility Ct. (38.62769, -76.96461) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter island on north and east legs. | |
| Saint Charles,
                MD Charles Co. United States | Devongate St. / Malvern St. / Promenade Pl. (38.61057, -76.93790) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2009 | Crosswalks adjacent to circulatory roadway. Year Completed estimated (2008-2009). | 
| Saint Charles,
                IL Kane Co. United States | Burlington Rd. / Bolcum Rd. (41.94162, -88.39775) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2020 | |
| Saint Austell,
                England Cornwall United Kingdom | A390 (Southbourne Rd. - Cromwell Rd.) / Woodland Rd. / (shopping centre entrance) (50.33521, -4.77599) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Saint Austell,
                England Cornwall United Kingdom | Mount Charles Roundabout [A390 (Polmear Rd. - Holmbush Rd.) / Mount Charles Rd. / Charlestown Rd.] (50.33846, -4.77032) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Saida Wastani,
                South Saida Lebanon | Nazih Bizri Ave. / Saida St. (33.56817, 35.38196) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Saida Wastani,
                South Saida Lebanon | Coastal Hwy / Al Kad Hassan Osman (33.57938, 35.38644) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Saida Dekerman,
                South Saida Lebanon | Takkeyeddine eh Solh St. / Jezzine Hwy / Fahkreddine St. (33.56480, 35.37506) | Unknown Existing | Unknown Unknown | 5 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Saida Dekerman,
                South Saida Lebanon | Jezzine Hwy / Haouta St. / Hlaliye Saida St. (33.56172, 35.38598) | Unknown Existing | Unknown Unknown | 5 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Saida Dekerman,
                South Saida Lebanon | Saida Hwy / Fouad Chehab St. / Lebanese University St. / Miye Ou Miye Main Rd. (33.55277, 35.37848) | Unknown Existing | Unknown Unknown | 5 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Saida Dekerman,
                South Saida Lebanon | Miye Ou Miye Main Rd. / Haouta St. (33.55005, 35.38236) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Saida Dekerman,
                South Saida Lebanon | Saida St. / Saida Main Rd. / Hisbeh Rd. (33.54836, 35.37183) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Saguenay,
                QC Le Saguenay-et-son-Fjord Canada | Rue de Sainte-Émilie / Rue Saint-Denis (48.41510, -71.19046) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.0000 | Other (At-Grade) Single-Lane | Year Completed unknown (before 2005). | |
| Saguenay,
                QC Le Saguenay-et-son-Fjord Canada | Rue Marc-Aurèle / Rue Mousseau (48.42666, -71.26253) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.0000 | Other (At-Grade) Single-Lane | Year Completed unknown (before 2005). | |
| Saguenay,
                QC Saguenay Canada | Rte 170 / Autoroute 70 EB Offramp (48.34444, -70.98452) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 55.5668 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2016 | ICD estimated from Google Maps linework. | 
| Saguenay,
                QC Saguenay Canada | Boulevard du Saguenay / Rue Moissan / Rue Oersted / Boulevard Mellon (48.43281, -71.17983) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 31.6974 | Other (At-Grade) Single-Lane | 2000 | Year Completed estimated (before 2005). ICD estimated from Google Maps linework. | 
| Saguenay,
                QC Saguenay Canada | Chemin St-Anicet (Rte 170) / Chemin de l'Aéroport / Rue de Plateau (48.34197, -71.01246) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 65.8896 | Other (At-Grade) Single-Lane | 2012 | https://translate.google.com/translate?hl=en&sl=fr&u=https://www.neomedia.com/saguenay-lac-st-jean/actualites/actualites/272506/pavage-dans-le-secteur-de-laeroport-a-la-baie ICD estimated from Google Maps linework. | 
| Saguenay,
                QC Saguenay Canada | Rue Jacques-Cartier E / Boulevard Talbot (48.42400, -71.04228) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 30.1177 | Other (At-Grade) Single-Lane | 2000 | Year Completed estimated (before 2005). ICD estimated from Google Maps linework. |