| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Orleans,
                MA Barnstable Co. United States | Rte 28 (S Orleans Rd.) / Rte 39 (Harwich Rd.) / Quanset Rd. (41.75145, -69.99094) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2023 | https://capecodchronicle.com/articles/439/view | 
| Orleans,
                MA Barnstable Co. United States | Rte 6A (Cranberry Hwy) / Canal Rd / S Orleans Rd. (41.79212, -69.98671) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 29.3849 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | N. Lake Orlando Pkwy / Cinderlane Pkwy (28.60276, -81.43106) | Roundabout Existing | Unknown Unknown | 3 Approaches 0 Driveways 20.9715 | Other (At-Grade) Single-Lane | 2001 | ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | N. Westmoreland Dr. / S. Lake Adair Blvd. (28.55947, -81.39339) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 22.0291 | Other (At-Grade) Single-Lane | 1998 | Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints; skewed Functional Class: Collector? ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | N. Westmoreland Dr. / N. Lake Adair Blvd. (28.56104, -81.39342) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 17.8328 | Other (At-Grade) Single-Lane | 1999 | Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints Functional Class: Collector? ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | Arbor Park Ln. / Village Oak Ln. (28.78793, -81.35421) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 32.4483 | Other (At-Grade) Single-Lane | Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework. | |
| Orlando,
                FL Orange Co. United States | Arbor Park Ln. / Colonial Center Pkwy. / Colonial Grand Ln. (28.79006, -81.35422) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 29.3075 | Other (At-Grade) Single-Lane | Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework. | |
| Orlando,
                FL Orange Co. United States | Colonial Center Pkwy. / Parking lot access (28.79184, -81.35422) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 46.0539 | Other (At-Grade) Single-Lane | Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework. | |
| Orlando,
                FL Orange Co. United States | Avalon Park Blvd. / Red Mangrove Dr. / Golden Rain Tree Blvd. (28.52221, -81.15072) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 67.1600 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2001 | ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | Golden Isle Blvd. / Enclair St. / Shallcross Ave. (28.54126, -81.15494) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4264 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | International Pkwy. / Via Oakmont Loop (28.75491, -81.36806) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 53.3996 | Other (At-Grade) Multilane (2 Lane, unspecified) | 1997 | Concentric circulatory roadway striping. ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | Rockafellow Way / Sandhill Crane Run / Bristlecone Cir. (28.53464, -81.18835) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 70.2999 | Other (At-Grade) Single-Lane | 1995 | Painted splitter islands. ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | Downpatrick Blvd. / Waterhouse Way (28.53408, -81.18299) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 65.0539 | Other (At-Grade) Single-Lane | 1995 | No splitter islands on three legs. ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | S Lake Orlando Pkwy. / Lake Breeze Dr. (28.59621, -81.42336) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 23.0700 | Other (At-Grade) Single-Lane | 2005 | Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | Villa Strada Way / Strada Capri (28.51085, -81.46063) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.1877 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | Waterford Chase Pkwy. / Belhaven Dr. (28.54802, -81.16505) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 23.0806 | Other (At-Grade) Single-Lane | 2000 | ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | Oxalis Dr. / Yucatan Dr. (28.54392, -81.30126) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 69.2445 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2002 | Fatal crash February 21, 2010. ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | Reams Rd. / Silverlake Park Dr. (28.44357, -81.56126) | Roundabout Existing | Unknown None | 4 Approaches 0 Driveways 52.5079 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | Circulatory roadway striping has evolved from initially concentric to now spiral. ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | Lake Village Rd. / Lakeside Village Rd. (28.44895, -81.56354) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.5532 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | ICD estimated from Google Maps linework. | 
| Orlando,
                FL Orange Co. United States | Metrocenter Blvd. / Valencia College Dr. (28.52039, -81.46722) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | On Valencia College campus. https://valenciavoice.com/29908/news/valencia-news/new-roundabout-on-west-campus-built-to-improve-traffic-flow/ | 
| Orlando,
                FL Orange Co. United States | Enchanted Oak Dr. (28.40685, -81.54044) | Other Existing | All-Way Stop Unknown | 2 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Orlando,
                FL Orange Co. United States | Grande Lakes Dr. / (parking) (28.40548, -81.42603) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.9600 | Other (At-Grade) Single-Lane | 2003 | Entrance to Grande Lakes Resort. | 
| Orlando,
                FL Orange Co. United States | Tibet Butler Dr. (28.44305, -81.55090) | Other Existing | Other Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Orlando,
                FL Orange Co. United States | Garden Plaza / Illinois St. (28.55580, -81.35410) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-Lane | 2008 | |
| Orlando,
                FL Orange Co. United States | Sweet Star Ave. / Maharaj Ave. / Desforges Ave. (28.39723, -81.49225) | Unknown Removed | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | 2020 | |
| Orlando,
                FL Orange Co. United States | Hillside Ave. / Ridgewood St. (28.54655, -81.35393) | Other Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Orlando,
                FL Orange Co. United States | N Forest Ave. / Ridgewood St. (28.54655, -81.35515) | Other Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Orlando,
                FL Orange Co. United States | N Glenwood Ave. / Bidwell St. (28.54680, -81.35296) | Other Existing | All-Way Yield Unknown | 3 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Orlando,
                FL Orange Co. United States | (connector to Cargo Rd.) / Jeff Fuqua Blvd. Ramps (28.44101, -81.30795) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 42.9765 | Freeway Ramps (Grade-Separated) Single-Lane | 2021 | At Orlando International Airport. | 
| Orlando,
                FL Orange Co. United States | Mere Pkwy. / Eagle Creek Sanctuary Blvd. (28.35900, -81.23730) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2015-2016). Driveway to parking lot on east side added 2019-2020. | 
| Orlando,
                FL Orange Co. United States | Luminary Blvd. / (unknown) (28.35866, -81.24525) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 53.3400 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | |
| Orlando,
                FL Orange Co. United States | Poinciana Blvd. / Lake Buena Vista Factory Stores Dr. (28.35144, -81.48799) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 94.4880 | Other (At-Grade) Multilane (2 Lane, unspecified) | Long segments between entries and exits. | |
| Orlando,
                FL Orange Co. United States | Eagle Watch Dr. / Butler National Dr. (28.46545, -81.30645) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2015-2016). | 
| Orlando,
                FL Orange County United States | Westpointe Blvd. / Vista Royale Blvd. (28.51895, -81.49756) | Rotary Existing | Unknown Unknown | 3 Approaches 0 Driveways 91.4400 | Other (At-Grade) Single-Lane | ||
| Orlando,
                FL Orange County United States | Westpointe Blvd. / Abbots Hill Dr. (28.52013, -81.50067) | Other Existing | All-Way Stop Unknown | 4 Approaches 0 Driveways 37.1856 | Other (At-Grade) Single-Lane | ||
| Orland Park,
                IL Cook Co. United States | S Ravinia Ave. / W 147th St. (41.62323, -87.85606) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.9262 | Other (At-Grade) Single-Lane | 2018 | https://www.facebook.com/VillageofOrlandPark/posts/-ravinia-ave-roundabout-debuts-sat-oct-13th-at-7am-the-roundabout-opening-is-ahe/1956887887713212/ ICD estimated from Google Maps linework. | 
| Orkanger,
                Trøndelag Orkdal Norway | E19-Fv710 (Orkangerveien) / Orkdalsveien (63.29666, 9.84657) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Orkanger,
                Trøndelag Orkdal Norway | E39 (Orkangerveien) / Fv65 (Øyolv Avlessons veg) (63.29651, 9.85404) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Orkanger,
                Trøndelag Orkdal Norway | E39 (Orkangerveien) / Tiltaksvegen / Laksørvegen (63.29724, 9.83568) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Orje,
                Viken Marker Norway | Fv21 (Haldenveien - Storgata) / Haldenveien / Storgata (59.48024, 11.66017) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Örja kyrkby,
                Skåne County Landskrona kommun Sweden | Rte 17 (Eslövsvägen) / Vadensjövägen (55.87637, 12.88724) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 55.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2021 | Concentric striped circulatory roadway. | 
| Orion Township,
                MI Oakland Co. United States | Orion Rd. / Stoney Creek Rd. (42.77560, -83.22117) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.youtube.com/watch?v=SCHUqTp-aNI | 
| Orion Township,
                MI Oakland Co. United States | Baldwin Rd. / Indianwood Rd. / Coats Rd. (42.78413, -83.31979) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 49.0862 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2004 | ICD estimated from Google Maps linework. | 
| Orion Township,
                MI Oakland Co. United States | S Baldwin Rd. / Gregory Rd. (42.72153, -83.30757) | Roundabout Existing | All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK) | 4 Approaches 0 Driveways 41.2390 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | ICD estimated from Google Maps linework. | 
| Orion Township,
                MI Oakland Co. United States | S Baldwin Rd. / Judah Rd. (42.71519, -83.30749) | Roundabout Existing | All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK) | 3 Approaches 0 Driveways 38.6106 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | ICD estimated from Google Maps linework. | 
| Orion,
                MI Oakland Co. United States | Baldwin Rd. / (parking) (42.72527, -83.30757) | Roundabout Existing | All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK) | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | West leg is for athletic club; east leg is for a small strip mall. A fountain is featured in the circle. | 
| Orion,
                MI Oakland Co. United States | Baldwin Rd. / Maybee Rd. (42.72884, -83.30775) | Roundabout Existing | All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK) | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | Yield-controlled right-turn bypass lane on east leg. West leg enters into a residential subdivision local road. | 
| Orion,
                MI Oakland Co. United States | Baldwin Rd. / Waldon Rd. (42.73619, -83.30805) | Roundabout Existing | All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK) | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | |
| Orion,
                MI Oakland Co. United States | E Flint St. / Orion Rd. / Miller Rd. (42.78398, -83.23184) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2018 | |
| Orio,
                Basque Country Guipúzcoa Spain | Autopista del Cantábrico / Carretera Igeldo Orio (43.28221, -2.11199) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 45.2116 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Orinda,
                CA Contra Costa Co. United States | Hall Dr. / Donald Dr. (37.86411, -122.15310) | Traffic Calming Circle Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 17.9148 | Other (At-Grade) Single-Lane | 2002 | ICD estimated from Google Maps linework. | 
| Orewa,
                Auckland Auckland New Zealand | West Hoe Heights / Maire Rd. / Sunnyheights Rd. (-36.58124, 174.67374) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Orewa,
                Auckland Auckland New Zealand | West Hoe Heights / Celestial Crescent (-36.58258, 174.67105) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Orewa,
                Auckland Auckland New Zealand | Arran Dr. / Arran Point Parade / Kowhai Rd. (-36.59298, 174.67086) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Orewa,
                Auckland Auckland New Zealand | West Hoe Rd. / Hatton Rd. / Florence Ave. (-36.58658, 174.68672) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Orewa,
                Auckland Auckland New Zealand | Grand Dr. / Northern Motorway (SH 1) SB Ramps (-36.58773, 174.66533) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | ||
| Orewa,
                Auckland Auckland New Zealand | West Hoe Rd. / Grand Dr. (-36.58481, 174.68596) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Orewa,
                Auckland Auckland New Zealand | Riverside Rd. / Centreway Rd. (-36.59019, 174.69357) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Orewa,
                Auckland Auckland New Zealand | W Hoe Rd. / Centreway Rd. (-36.58162, 174.68959) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Orenburg,
                Orenburg Orenburg Russia | P239 / (unknown) / (parking) (51.81235, 55.18490) | Roundabout Existing | All-Way Yield Unknown | 6 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, 2x2 max) | ||
| Orenburg,
                Orenburg Orenburg Russia | ulitsa Mira / 16-ya liniya / Lesozashchitnaya ulitsa / Karagandinskaya ulitsa (51.78584, 55.16978) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, 2x2 max) | ||
| Orenburg,
                Orenburg Orenburg Russia | ulitsa Montazhnikov / proyezd Avtomatiki (51.80439, 55.15894) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, 2x2 max) | ||
| Orenburg,
                Orenburg Orenburg Russia | prospekt Pobedy / proyezd Avtomatiki (51.81083, 55.14478) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 1 Driveways | Other (At-Grade) Multilane (2 Lane, 2x2 max) | ||
| Orenburg,
                Orenburg Orenburg Russia | ulitsa Garan'kina / Salmyshskaya ulitsa (51.81020, 55.18004) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, 2x2 max) | ||
| Orenburg,
                Orenburg Orenburg Russia | Salmyshskaya ulitsa / ulitsa Dzhangil'dina (51.82986, 55.15652) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Pedestrian access to central island. | |
| Orenburg,
                Orenburg Orenburg Russia | Salmyshskaya ulitsa / Severnyy proyezd (51.82454, 55.16462) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Orem,
                UT Utah Co. United States | W 575 S / S Sleepy Ridge Dr. (40.28674, -111.74051) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2006 | Year Completed estimated (2005-2006). | 
| Orem,
                UT Utah Co. United States | S Sleepy Ridge Dr. / S Fairway Ln. (40.28305, -111.74283) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2005 | |
| Orem,
                UT Utah Co. United States | E 850 North / N Palisade Dr. (40.31273, -111.66490) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 25.4997 | Other (At-Grade) Single-Lane | 2001 | ICD estimated from Google Maps linework. | 
| Orem,
                UT Utah Co. United States | S 800 W / College Dr. / Sandhill Rd. (UVSC South Entrance) (40.27592, -111.71290) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 36.4480 | Other (At-Grade) Multilane (2 Lane, unspecified) | 1996 | ICD estimated from Google Maps linework. | 
| Orem,
                UT Utah Co. United States | 2000 South / Sandhill Rd. (40.26074, -111.70420) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.7220 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Orem,
                UT Utah Co. United States | 1200 South / 400 West (40.27531, -111.70480) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 30.9811 | Other (At-Grade) Single-Lane | 2000 | ICD estimated from Google Maps linework. | 
| Orelia,
                Western Australia Kwinana Australia | Sulphur Rd. / Orelia Ave. (-32.23986, 115.81902) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Orel,
                Orel Oryol Russia | Gorodskaya ulitsa / Poselkovaya ulitsa (52.93992, 36.06867) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Oregon City,
                OR Clackamas Co. United States | Main St. / Agnes Ave. (45.36884, -122.59573) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2015-2018). | 
| Oregon City,
                OR Clackamas Co. United States | Washington St. / Clackamas River Dr. (45.37355, -122.58530) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1107 | Other (At-Grade) Single-Lane | 2012 | Right-turn bypass lane on eastbound approach. Constructed as part of OR 213 jughandle project. ICD estimated from Google Maps linework. | 
| Oregon,
                WI Dane Co. United States | STH 138 / US 14 WB Ramps (42.91764, -89.36607) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 47.2309 | Freeway Ramps (Grade-Separated) Single-Lane | 2011 | ICD estimated from Google Maps linework. | 
| Oregon,
                WI Dane Co. United States | STH 138 / US 14 EB Ramps (42.91774, -89.36817) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1083 | Freeway Ramps (Grade-Separated) Single-Lane | 2011 | ICD estimated from Google Maps linework. | 
| Oregon,
                WI Dane Co. United States | CTH MM / US 14 EB Ramps (42.95128, -89.37859) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 29.7217 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2012 | Series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| Oregon,
                WI Dane Co. United States | CTH MM / US 14 WB Ramps (42.95272, -89.37769) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.9591 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2012 | Series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| Oregon,
                WI Dane Co. United States | CTH MM / CTH M (42.94950, -89.37981) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.9613 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | Series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| Orebro,
                Orebro County Orebro Sweden | Bistagatan / E18 Ramps (59.23797, 15.12025) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 43.9825 | Freeway Ramps (Grade-Separated) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Säljargevägen / Varuvägen / E20 On-ramp (59.21533, 15.13497) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 32.3975 | Freeway Ramps (Grade-Separated) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Kundvägen / Säljarevägen (59.21330, 15.13623) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 42.7916 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Rte 51 / Varuvägen (59.21429, 15.13894) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 52.5711 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Varuvägen / Säljarevägen (59.21534, 15.13910) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 24.4509 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Bistagatan / Mossbergavägen / Rte 50 Off-Ramp (59.24389, 15.13971) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 28.7058 | Freeway Ramps (Grade-Separated) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Säljarevägen / Rabattvägen (59.22050, 15.14103) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 27.5031 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Mossbergavägen / Karlskogavägen / E18 Ramps (59.23945, 15.14108) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.7047 | Freeway Ramps (Grade-Separated) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Karlskogavägen / E20 SB Ramps (59.23932, 15.14376) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 43.9807 | Freeway Ramps (Grade-Separated) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Mosåsvägen / Gränsrösevägen (59.23866, 15.15321) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 29.3210 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Rte 51 / Sättertorpsvägen (59.21483, 15.15537) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 40.9559 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Mosåsvägen / Glomman (59.24140, 15.15578) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 30.5403 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Karlslundsgatan / Vaktelvägen (59.27636, 15.16203) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 29.8988 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Bistagatan / E18-E20 On-Ramp (59.26060, 15.16658) | Roundabout Existing | All-Way Yield Unknown | 2 Approaches 0 Driveways 37.8486 | Freeway Ramps (Grade-Separated) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Mosåsvägen / Brunnsvägen (59.24882, 15.16852) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.6404 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Västhagagatan / Åbyvägen (59.26639, 15.17291) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 24.4143 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Västhagagatan / Tunnlandsgatan (59.27226, 15.17516) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 29.2921 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Väasthagagatan / Adolfbergsvägen (59.25987, 15.17549) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 43.9542 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Orebro,
                Orebro County Orebro Sweden | Adolfbergsvägen / Södra Infartsleden Ramps / (parking lot) (59.26067, 15.17690) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 22.5870 | Freeway Ramps (Grade-Separated) Single-Lane | ICD estimated from Google Maps linework. |