| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Sulphur,
                LA Calcasieu Par. United States | E Burton St. (Old Spanish Trl.) / Coach Williams Dr. (30.24400, -93.32542) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Single-Lane | 2020 | https://www.calcasieuparish.gov/Home/Components/News/News/4747/30?recordid=382&npage=9 | 
| Sorrento,
                LA Ascension Par. United States | LA 22 / LA 70 (30.16658, -90.88120) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | https://eminetra.com/newly-finished-roundabout-in-sorrento-one-of-many-planned-in-ascension-parish-ascension-new-orleans-louisiana/9042/ | 
| Covington,
                LA St. Tammany Par. United States | LA-1085 / Ochsner Blvd. / Francis Rd. (30.46681, -90.15044) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.8532 | Other (At-Grade) Single-Lane | 2014 | Year Completed estimated (2013-2014). ICD estimated from Google Maps linework. | 
| Denham Springs,
                LA Livingston Par. United States | Lockhart Rd. / Cockerham Rd. / Linder Rd. (30.50846, -90.93534) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 31.8983 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | https://www.livingstonparishnews.com/new-roundabout/youtube_e2ce3f06-169f-11e8-bddf-bb3b21456b5b.html ICD estimated from Google Maps linework. | 
| Brownsfield/Central,
                LA East Baton Rouge Par. United States | Sullivan Rd. / Gurney Rd. / (school access) (30.56124, -91.04099) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.7673 | Other (At-Grade) Single-Lane | 2012 | ICD estimated from Google Maps linework. | 
| Brownsfield/Central,
                LA East Baton Rouge Par. United States | Gurney Rd. / Joor Rd. (30.56104, -91.04840) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.7105 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Iowa,
                LA Calcasieu Par. United States | Corbina Blvd / E McNeese St (30.17724, -93.15878) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 66.0779 | Other (At-Grade) Single-Lane | 2012 | ICD estimated from Google Maps linework. | 
| Mandeville,
                LA St. Tammany Par. United States | LA-59 / Sharp Rd. / Pineview Rd. (30.39668, -90.04326) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.1461 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | Video with aerial view here: https://wgno.com/2019/05/24/new-hwy-59-roundabout-in-mandeville-opening-to-traffic/ ICD estimated from Google Maps linework. | 
| Lake Charles,
                LA Calcasieu Par. United States | Nelson Rd. / Ham Reid Rd. (30.15396, -93.24926) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 57.8318 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2017 | Case 3 design? https://www.kplctv.com/story/35937047/more-roundabouts-coming-to-ham-reid-road/ ICD estimated from Google Maps linework. | 
| Baker/Zachary Area,
                LA East Baton Rouge Par. United States | Mt Pleasant-Zachary Rd. / Americana Blvd. (30.65121, -91.21301) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 53.4282 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | date: https://www.theadvocate.com/baton_rouge/news/communities/zachary/article_1ecf0c49-f41b-581b-8a13-8b434793f15e.html ICD estimated from Google Maps linework. | 
| New Orleans,
                LA Orleans Par. United States | 1 Collins Diboll Circle (29.98645, -90.09329) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 106.5494 | Other (At-Grade) Single-Lane | Building in center of circle with on-street parking on circulatory roadway. ICD estimated from Google Maps linework. | |
| New Orleans,
                LA Orleans Par. United States | Harrison Ave. / Diagonal Dr. (30.00165, -90.09264) | Other Existing | All-Way Yield Other | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | Painted splitter islands. | |
| New Orleans,
                LA Orleans Par. United States | Lakeshore Dr. / Elysian Fields Ave. (30.03055, -90.06176) | Rotary Existing | All-Way Yield None | 4 Approaches 0 Driveways 78.5840 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| New Orleans,
                LA Orleans Par. United States | Lakeshore Dr. / Paris Ave. / Oriole St. (30.02664, -90.07915) | Rotary Existing | All-Way Yield None | 4 Approaches 0 Driveways 136.4934 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Bossier City,
                LA Bossier Par. United States | W 1st St. / Spears St. (32.52108, -93.73971) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 32.2256 | Other (At-Grade) Single-Lane | 2013 | ICD estimated from Google Maps linework. | 
| Bossier City,
                LA Bossier Par. United States | W 1st St. / Margaritaville Way / Colquitt St. (32.52193, -93.73982) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 30.2112 | Other (At-Grade) Single-Lane | 2013 | ICD estimated from Google Maps linework. | 
| Denham Springs,
                LA Livingston Par. United States | Crossing Way / Crossing Circle (30.46747, -90.91999) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.2059 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | ICD estimated from Google Maps linework. | 
| New Iberia,
                LA Iberia Par. United States | Belle Place Olivier Rd. (LA 320) / Loreauville Rd. (LA 86) (30.00947, -91.74349) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2017 | |
| Freestate/North Highlands,
                LA Caddo Par. United States | LA 538 (Old Mooringsport Rd.) / LA 538 (Ravendale Dr.) / Ravendale Dr. (32.56010, -93.77650) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 63.4166 | Other (At-Grade) Single-Lane | 2016 | Replaced large triangular intersection that had 2 stop signs and one yield sign. ICD estimated from Google Maps linework. | 
| Duson,
                LA Lafayette Par. United States | Ridge Rd. / S Fieldspan Rd. (30.18111, -92.14197) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.2970 | Other (At-Grade) Single-Lane | 2018 | https://www.klfy.com/news/new-roundabout-being-built-in-lafayette-parish/ ICD estimated from Google Maps linework. | 
| New Orleans,
                LA Orleans Par. United States | Nunez St. (LA 428) / Mardi Gras Blvd. (29.93808, -90.05040) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.0139 | Other (At-Grade) Single-Lane | 2013 | ICD estimated from Google Maps linework. | 
| Houma,
                LA Terrebonne Par. United States | Westside Blvd. / Enterprise Dr. (29.60658, -90.76499) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.4206 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | http://www.providenceeng.com/projects/terrebonne-parish-roundabout ICD estimated from Google Maps linework. | 
| Leesville,
                LA Vernon Par. United States | LA 468 (Slagle Rd.) / LA 184 (Chaffee Rd.) (31.14992, -93.19407) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.8851 | Other (At-Grade) Single-Lane | 2019 | http://wwwapps.dotd.la.gov/administration/announcements/announcement.aspx?key=16951 ICD estimated from Google Maps linework. | 
| Carencro,
                LA Lafayette Par. United States | Hector Connoly Rd. / (shopping center access) (30.32295, -92.03074) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0518 | Other (At-Grade) Single-Lane | 2012 | Year Completed estimated (2012-2013). ICD estimated from Google Maps linework. | 
| Henderson,
                LA St. Martin Par. United States | Grandpoint Hwy (LA 347) / I-10 WB Ramps (30.31615, -91.83076) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.3644 | Freeway Ramps (Grade-Separated) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Henderson,
                LA St. Martin Par. United States | Grandpoint Hwy (LA 347) / I-10 EB Ramps (30.31467, -91.83156) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 42.2720 | Freeway Ramps (Grade-Separated) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| West Monroe,
                LA Ouachita Par. United States | Arkansas Rd. (LA 616) / Warren Dr. (LA 617) (32.53023, -92.16172) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.3335 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | https://www.knoe.com/content/news/West-Monroe-drivers-pumping-their-brakes-at-new-Arkansas-Rd-roundabouts-559521961.html. ICD estimated from Google Maps linework. | 
| West Monroe,
                LA Ouachita Par. United States | Arkansas Rd. (LA 616) / Kiroli Rd. (32.53112, -92.16332) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 56.3885 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | https://www.knoe.com/content/news/West-Monroe-drivers-pumping-their-brakes-at-new-Arkansas-Rd-roundabouts-559521961.html. ICD estimated from Google Maps linework. | 
| New Orleans,
                LA Orleans Par. United States | Lee Circle (St. Charles Ave. / Andrew Higgins Dr.) (29.94333, -90.07247) | Signalized Roundabout/Circle Existing | Other None | 4 Approaches 0 Driveways 99.3513 | Other (At-Grade) Unknown | Two tram lines run along the circulatory roadway. Some entry-circulating points are fully signalized; others are yield-controlled. ICD estimated from Google Maps linework. | |
| Metairie Terrace,
                LA Jefferson Par. United States | Causeway Blvd. (LA 3046) / US 61 (Airline Hwy.) (29.97476, -90.15636) | Rotary Existing | All-Way Yield None | 4 Approaches 0 Driveways 107.5965 | Other (At-Grade) Unknown | Single-point interchange using one circle. Entire circle is on causeway structure over railroad yards. ICD estimated from Google Maps linework. | |
| Lafayette,
                LA Lafayette Par. United States | Settlers Trace / River Ranch Dr. (30.17073, -92.03625) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 42.3339 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2001 | This a part of a Neo Traditional Neighborhood and the related street system. Completed June 2001. Functional Class: Collector ICD estimated from Google Maps linework. | 
| Abita Springs,
                LA St. Tammany Par. United States | LA 59 / LA 36 (30.47826, -90.03768) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.8204 | Other (At-Grade) Single-Lane | 2007 | https://www.nola.com/news/traffic/article_6d2b5475-b7f9-5429-a8f7-2127046c5508.html ICD estimated from Google Maps linework. | 
| Baton Rouge,
                LA East Baton Rouge Par. United States | Lovett Rd. / (Magnolia Square subdivision) (30.52095, -91.03818) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 18.5192 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| Lafayette,
                LA Lafayette Par. United States | Lafayette St. / Young St. / Iberia St. (30.10199, -91.99055) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.1972 | Other (At-Grade) Single-Lane | 2011 | ICD estimated from Google Maps linework. | 
| Lafayette,
                LA Lafayette Par. United States | Ridge Rd. / Rue du Belier (30.18122, -92.09189) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.1024 | Other (At-Grade) Single-Lane | 2003 | ICD estimated from Google Maps linework. | 
| Youngsville,
                LA Lafayette Par. United States | LA 92 / Bonin Rd. (30.10895, -92.00773) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 36.1614 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| Youngsville,
                LA Lafayette Par. United States | LA 92 / Chemin Metairie Pkwy. (30.10922, -92.01561) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 38.2276 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Youngsville,
                LA Lafayette Par. United States | Prescott Blvd. / Broyles Ln. (30.10179, -92.00802) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 35.1307 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Youngsville,
                LA Lafayette Par. United States | Copper Meadow Blvd. / Fountain View (30.10510, -91.99648) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 49.5946 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Youngsville,
                LA Lafayette Par. United States | LA 89 / Chemin Metairie Pkwy. (30.08441, -91.99059) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 38.2372 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Baton Rouge,
                LA East Baton Rouge Par. United States | Dalrymple Dr. / Isaac Cline Dr. / W Lakeshore Dr. (30.41647, -91.17170) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.7188 | Other (At-Grade) Single-Lane | 2013 | ICD estimated from Google Maps linework. | 
| Leesville,
                LA Vernon Par. United States | US 171-LA 8 / LA 28 (31.16085, -93.26725) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.1004 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2012 | Year Completed estimated (2010-2013). ICD estimated from Google Maps linework. | 
| Walker,
                LA Livingston Par. United States | Walker South Rd. / I-12 WB Ramps (30.47242, -90.86272) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 42.2038 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2017 | ICD estimated from Google Maps linework. | 
| Walker,
                LA Livingston Par. United States | Walker South Rd. / I-12 EB Ramps (30.46773, -90.86314) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 43.2352 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2017 | ICD estimated from Google Maps linework. | 
| English Turn,
                LA Orleans Par. United States | LA-406 / LA-407 (29.90392, -89.97866) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 42.4481 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| Youngsville,
                LA Lafayette Par. United States | Verot School Rd. / E Milton Ave. (30.10933, -92.03248) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 35.1280 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| Scott,
                LA Lafayette Par. United States | St Mary St. / Harold Gauthe Rd. / Apollo Rd. (30.24369, -92.10677) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 41.2708 | Other (At-Grade) Single-Lane | 2013 | Year Completed estimated (2012-2014). Replaced two offset, stop-controlled T-intersections. ICD estimated from Google Maps linework. | 
| Scott,
                LA Lafayette Par. United States | LA-93 / W Gloria Switch Rd. (30.29809, -92.11676) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.0919 | Other (At-Grade) Single-Lane | 2011 | ICD estimated from Google Maps linework. | 
| Lake Charles,
                LA Calcasieu Par. United States | W Prien Lake Rd. / Cove Ln. / Kiwanis Ln. (30.19484, -93.26625) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 43.3559 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | ICD estimated from Google Maps linework. | 
| Lake Charles,
                LA Calcasieu Par. United States | Golden Nugget Blvd. / Avenue L'Auberge (30.19857, -93.26006) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 51.6122 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Lake Charles,
                LA Calcasieu Par. United States | W Prien Lake Rd. / Holly Hill Rd. (30.19796, -93.24087) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 49.5480 | Other (At-Grade) Single-Lane | 2016 | ICD estimated from Google Maps linework. | 
| Highlands/Perkins,
                LA East Baton Rouge Par. United States | L'Auberge Ave. / River Rd. (west) (30.34725, -91.15325) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 1 Driveways 53.5954 | Other (At-Grade) Single-Lane | 2011 | ICD estimated from Google Maps linework. | 
| Highlands/Perkins,
                LA East Baton Rouge Par. United States | L'Auberge Ave. / River Rd. (east) (30.34668, -91.14825) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 53.5957 | Other (At-Grade) Single-Lane | 2011 | ICD estimated from Google Maps linework. | 
| Highlands/Perkins,
                LA East Baton Rouge Par. United States | River Rd. / L'Auberge Crossing Dr. (30.34331, -91.14428) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 53.5976 | Other (At-Grade) Single-Lane | 2011 | ICD estimated from Google Maps linework. | 
| Port Vincent,
                LA Ascension Par. United States | LA-28 / LA-431 (30.33152, -90.85329) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 29.8945 | Other (At-Grade) Single-Lane | 2012 | ICD estimated from Google Maps linework. | 
| Slidell,
                LA St. Tammany Par. United States | Brownswitch Rd. / Robert Blvd. / LA-1091 (30.31038, -89.74775) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 25.7767 | Other (At-Grade) Single-Lane | 2012 | Originally planned with landscaping and water in the center. Utilities were a particular problem during construction. A nearby fire station moved after construction. ICD estimated from Google Maps linework. | 
| Lacombe,
                LA St. Tammany Par. United States | US 190 / LA-434 (30.31610, -89.93388) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 36.0853 | Other (At-Grade) Single-Lane | 2013 | ICD estimated from Google Maps linework. | 
| Hammond,
                LA Tangipahoa Par. United States | S Airport Rd. / Old Covington Hwy. (30.49397, -90.41505) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.0196 | Other (At-Grade) Single-Lane | 2010 | ICD estimated from Google Maps linework. | 
| Hammond,
                LA Tangipahoa Par. United States | Veterans Ave. / W Club Deluxe Ave. (30.47557, -90.45719) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 45.2904 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | ICD estimated from Google Maps linework. | 
| Hammond,
                LA Tangipahoa Par. United States | Veterans Ave. / I-12 EB Ramps (30.47831, -90.45712) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 49.4063 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2016 | ICD estimated from Google Maps linework. | 
| Hammond,
                LA Tangipahoa Par. United States | Veterans Ave. / I-12 WB Ramps (30.47969, -90.45704) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 51.4642 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2016 | ICD estimated from Google Maps linework. | 
| Denham Springs,
                LA Livingston Par. United States | US 190 / Eden Church Rd. (30.48333, -90.92654) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 1 Driveways 42.1990 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Covington,
                LA St. Tammany Par. United States | LA-1085 S / LA-1077 (30.46702, -90.18243) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.1179 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | ICD estimated from Google Maps linework. | 
| Maurepas,
                LA Livingston Par. United States | LA-16 / LA-22 (30.26014, -90.76844) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 29.9163 | Other (At-Grade) Single-Lane | 2016 | ICD estimated from Google Maps linework. | 
| Baton Rouge,
                LA East Baton Rouge Par. United States | Lobdell Ave. / Government St. / Independence Blvd. (30.44534, -91.11159) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2020 | Add-lane right-turn bypass lanes on east, west, and south legs; yielding right-turn bypass lane on north leg. https://www.wafb.com/2020/07/29/new-roundabout-government-lobdell-causing-headache-some-drivers/. | 
| Bossier City,
                LA Bossier Par. United States | US 79-US 80 (E Texas St.) / Old Benton Rd. (32.52639, -93.73056) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | 2020 | Year Completed estimated (2019-2021). | 
| West Monroe,
                LA Ouachita Par. United States | Well Rd. / I-20 WB Ramps (32.51259, -92.19191) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 53.3400 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2020 | https://www.myarklamiss.com/news/a-first-look-at-the-new-well-road-roundabout/ | 
| Denham Springs,
                LA Livingston Par. United States | Juban Rd. (LA 1026) / Buddy Ellis Rd. (30.45957, -90.91627) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.2440 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2021 | Year Completed estimated (2021-2022). | 
| Youngsville,
                LA Lafayette Par. United States | Annaberg Dr. / Deysbrook Ln. (30.10597, -92.01452) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Youngsville,
                LA Lafayette Par. United States | Centre Sal Celle Blvd. (30.10689, -92.01768) | Unknown Existing | Unknown Unknown | 2 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Youngsville,
                LA Lafayette Par. United States | Centre Sal Celle Blvd. / (parking) (30.10836, -92.01747) | Other Existing | Other Unknown | 4 Approaches 1 Driveways 0.0000 | Other (At-Grade) Single-Lane | Mix of yield-controlled and uncontrolled entries. | |
| Broussard,
                LA Lafayette Par. United States | W Fairfield Dr.-E Fairfield Dr. / S Morgan Ave. (30.11655, -91.96517) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2007 | South leg added when roundabout constructed. | 
| Ponchatoula,
                LA Tangipahoa Par. United States | Maison Lafitte Blvd. (30.43890, -90.24596) | Other Existing | Unknown Unknown | 2 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Covington,
                LA St. Tammany Par. United States | Greengate Dr. / Village Ln. (30.44635, -90.08554) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Eden Isle,
                LA St. Tammany Par. United States | Cutter Cove / Royal Palm Dr. / Clipper Dr. (30.22308, -89.80531) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Slidell,
                LA St. Tammany Par. United States | Lakeshore Vista Blvd. / Lakeshore Village (30.22609, -89.76218) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2019 | |
| Slidell,
                LA St. Tammany Par. United States | Clayton Ct. / N Caleb Dr. / S Caleb Ct. (30.27726, -89.71415) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Baton Rouge,
                LA East Baton Rouge Par. United States | Stumberg Ln. / Womans Way (30.38264, -91.03593) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 59.4360 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2012 | Year Completed estimated (2011-2013). | 
| Port Vincent,
                LA Livingston Par. United States | LA 16 (Petes Hwy.) / LA 447 (Walker South Rd.) (30.35577, -90.84991) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2022 | |
| Baton Rouge,
                LA East Baton Rouge Par. United States | N Stadium Rd. / Field House Dr. (30.41398, -91.18246) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2006 | On campus of Louisiana State University. | 
| Baton Rouge,
                LA East Baton Rouge Par. United States | Capitol Access Rd. / Capitol Lake Dr. (30.45808, -91.18278) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2016 | |
| Baton Rouge,
                LA East Baton Rouge Par. United States | Capitol Lake Rd. / Capitol Access Rd. (30.45818, -91.18621) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2016 | |
| Lafayette,
                LA Lafayette Par. United States | Woodstone Dr. / Cherrywood Dr. / Narrow Way Dr. (30.13114, -92.02997) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Youngsville,
                LA Lafayette Par. United States | Chemin Metairie Rd. / Detente Rd. (30.09046, -92.00503) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 51.8160 | Other (At-Grade) Single-Lane | 2020 | Year Completed estimated (2020-2021). | 
| Youngsville,
                LA Lafayette Par. United States | Chemin Metairie Rd. / Savoy Rd. (30.09469, -92.01512) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | https://1079ishot.com/progress-road-construction-roundabout-youngsville-chemin-metairie-savoy/ | 
| Broussard,
                LA Lafayette Par. United States | W Fairfield Dr. / S Bernard Rd. (30.11737, -91.97755) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 44.1960 | Other (At-Grade) Single-Lane | 2017 | Merging right-turn bypass lane on north leg. Add-lane right-turn bypass lane on east leg. Year Completed estimated (2017-2018). | 
| Monroe,
                LA Ouachita Par. United States | LA 594 / Rowland Rd. (32.54334, -91.99073) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | https://www.youtube.com/watch?v=vPb7lCyxeHg | 
| Prairieville,
                LA Ascension Par. United States | SR 929 / Parker Rd. (30.31358, -90.93913) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.weeklycitizen.com/story/news/local/2023/11/22/roundabout-near-new-prairieville-high-school-opens-to-traffic-ascension-parish-officials/71682751007/ | 
| New Iberia,
                LA Iberia Par. United States | LA 3212 (Northwest Bypass) / Grand Prairie Rd. (30.01150, -91.88149) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 53.3400 | Other (At-Grade) Single-Lane | 2022 | North leg stubbed. Year Completed estimated (2021-2022). | 
| Scott,
                LA Lafayette Par. United States | SR 93 (Dulles Dr. - Rue du Belier) / Dulles Dr. / Apollo Rd. (30.21059, -92.09177) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 53.3400 | Other (At-Grade) Single-Lane | 2023 | https://www.youtube.com/watch?v=NcfKeJNg9qo | 
| Slidell,
                LA St. Tammany Par. United States | Oak Harbor Blvd. / E Howze Beach Rd. (30.21894, -89.77929) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2021 | Add-lane right-turn bypass lane on southeast leg and northeast leg.. | 
| Lafayette,
                LA Lafayette Par. United States | Dulles Dr. / N Domingue Ave. (30.21055, -92.08378) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2021 | Year Completed estimated (2021-2022). | 
| Prairieville,
                LA Ascension Par. United States | LA 930 / Henry Rd. (30.30593, -90.95578) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | https://moveascension.com/projects/ma-18-08/ | 
| Rayville,
                LA Richland Par. United States | US 425 (Julia St. - Louisa St.) / Grimshaw St. / Christian Dr. (32.46006, -91.75859) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | 2022 | Julia Street on north leg is one-way into the roundabout; Louisa Street is one-way out of the roundabout. https://www.knoe.com/2022/09/15/town-rayville-celebrates-new-51-million-us-425-roundabout/ | 
| Denham Springs,
                LA Livingston Par. United States | Lockhart Rd. / Dunn Rd. (30.50500, -90.92494) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 35.0520 | Other (At-Grade) Single-Lane | 2020 | Year Completed estimated (2019-2021). | 
| Covington,
                LA St. Tammany Par. United States | Ochsner Blvd. / S Ochsner Blvd. (30.45565, -90.15060) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2012 | Year Completed estimated (2011-2012). South leg added 2019-2022. | 
| Covington,
                LA St. Tammany Par. United States | River Chase Dr. / Continental Dr. (30.43874, -90.12867) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2014 | Year Completed estimated (2013-2014). Southwest leg stubbed. | 
| Baton Rouge,
                LA East Baton Rouge Par. United States | The Grove Blvd. / (parking) (30.38708, -91.07573) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2018 | |
| Bossier City,
                LA Bossier Par. United States | Walter O. Bigby Carriageway / Hamilton Rd. (32.52940, -93.72630) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 53.3400 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2024 | https://www.shreveporttimes.com/story/news/local/2024/10/01/walter-o-bigby-carriageway-opens-in-bossier-city/75455416007/ | 
| Bossier City,
                LA Bossier Par. United States | Walter O. Bigby Carriageway / Shed Rd. (32.53213, -93.72376) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2024 | https://www.shreveporttimes.com/story/news/local/2024/10/01/walter-o-bigby-carriageway-opens-in-bossier-city/75455416007/ |