| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Robinwood,
                MD Washington Co. United States | Yale Dr. / Medical Campus Rd. / Caring Pathway Ln. (39.62594, -77.68707) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2016 | Right-turn bypass lane on southwest leg. | 
| Sherwood,
                OR Washington Co. United States | SW Elwert Rd. / SW Kruger Rd. / Cedar Ln. (45.35477, -122.86786) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | Intersection of Kruger/Elwert was moved north a few hundred feet. That intersection was previously a two-way stop. | 
| Hagerstown,
                MD Washington Co. United States | Terps Blvd. / Hoosier Ct. / Nittany Lion Cir. (39.67069, -77.73987) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2010 | Year Completed estimated (2009-2011). | 
| Springdale,
                AR Washington Co. United States | Har Ber Ave. / Gene George Blvd. (36.18631, -94.19237) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 70.1040 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | |
| Elm Springs,
                AR Washington Co. United States | Elm Springs Rd. / Gene George Blvd. (36.19357, -94.19236) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 70.1040 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | |
| River Terrace,
                OR Washington Co. United States | SW River Terrace Blvd. / SW Appledale Rd. (45.42317, -122.84929) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2018 | |
| Woodbury,
                MN Washington Co. United States | Woodlane Dr. / Bailey Rd. (44.89081, -92.96413) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 53.3400 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | |
| Forest Lake,
                MN Washington Co. United States | Scandia Trl. N (STH 97) / Goodview Ave. N / 8th St. SE (45.26073, -92.97577) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Single-Lane | 2020 | Elliptical shaped. ICD = 180 feet x 150 feet. | 
| Bridgeville,
                PA Washington Co. United States | Morganza Rd. / Morgan Rd. / Baker Rd. (40.31090, -80.14808) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2020 | |
| West Bend,
                WI Washington Co. United States | Poplar St. / 6th Ave. (43.42078, -88.18365) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 22.8600 | Other (At-Grade) Single-Lane | 1999 | No splitter islands. | 
| Reno,
                NV Washoe Co. United States | S Virginia St. (US 395 Business) / Mary St. / S Center St. (39.51483, -119.80760) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://pathofex.com/its-like-a-whole-new-world-midtown-unr-area-businesses-react-to-virginia-street-project-completion/ | 
| Reno,
                NV Washoe Co. United States | W Stadium Way / E 15th St. (39.54425, -119.81704) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | |
| Reno,
                NV Washoe Co. United States | N Virginia St. (US 395 Business) / (parking garage access) (39.54472, -119.81955) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://www.ktvn.com/story/43108127/major-construction-on-virginia-street-project-is-finished | 
| Sparks,
                NV Washoe Co. United States | Wingfield Hills Rd. / (parking) (39.60909, -119.69780) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Year Completed estimated (2007-2010). | 
| Sparks,
                NV Washoe Co. United States | Kiley Pkwy. / David Allen Pkwy. (39.60447, -119.72738) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 53.3400 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | |
| Sparks,
                NV Washoe Co. United States | Kiley Pkwy. / Henry Orr Pkwy. (39.60391, -119.72516) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2006 | |
| Sparks,
                NV Washoe Co. United States | Kiley Pkwy. / (unknown) (39.60322, -119.73161) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2006 | |
| Spanish Springs,
                NV Washoe Co. United States | Eagle Canyon Dr. / Ember Dr. / Neighborhood Way (39.64158, -119.71846) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2007 | |
| Spanish Springs,
                NV Washoe Co. United States | Eagle Canyon Dr. / Palm Springs Dr. (39.63951, -119.71404) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8637 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | |
| Sparks,
                NV Washoe Co. United States | La Posada Dr. / Rockwell Blvd. (39.63617, -119.70848) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Year Completed estimated (2007-2010). | 
| Sparks,
                NV Washoe Co. United States | La Posada Dr. / Omni Dr. / Stonebrook Pkwy. (39.63607, -119.69943) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | |
| Sparks,
                NV Washoe Co. United States | David Allen Pkwy. / Windmill Farms Pkwy. (39.60954, -119.72656) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Year Completed estimated (2007-2010). | 
| Sparks,
                NV Washoe Co. United States | David Allen Pkwy. / (unknown) (39.61225, -119.72510) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Year Completed estimated (2007-2010). | 
| Sparks,
                NV Washoe Co. United States | Windmill Farms Pkwy. / Kiley Pkwy. (39.60860, -119.72023) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2017 | |
| Sparks,
                NV Washoe Co. United States | Los Altos Pkwy. / Vista Heights Dr. (39.57929, -119.70038) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2005 | Year Completed estimated (2004-2006). | 
| Sparks,
                NV Washoe Co. United States | Los Altos Pkwy. / Belmar Dr. (39.57249, -119.69408) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2007 | Year Completed estimated (2007-2008). | 
| Reno,
                NV Washoe Co. United States | Raggio Pkwy. / (unknown) (39.57033, -119.79414) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 73.1520 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | Converted from older rotary in 2010-2011 with striping to remove concentric circulatory roadway striping. | 
| Reno,
                NV Washoe Co. United States | Raggio Pkwy. (Dandini Blvd.) / Spectrum Blvd. (39.57506, -119.80705) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2002 | |
| Reno,
                NV Washoe Co. United States | SR 425 / Edinburg Dr. (39.52257, -119.96617) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2018-2019). | 
| Reno,
                NV Washoe Co. United States | Herz Blvd. / Summit Sierra Blvd. (39.40118, -119.75215) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2006 | Concentric circulatory roadway striping. Year Completed estimated (2004-2006). | 
| Reno,
                NV Washoe Co. United States | US 40 (BR I-80) / Somersett Ridge Pkwy. (39.51411, -119.95086) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 46.9907 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Incline Village,
                NV Washoe Co. United States | SR 28 (Tahoe Blvd.) / SR 431 (Mt Rose Hwy.) (39.25146, -119.97321) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 39.7690 | Other (At-Grade) Single-Lane | 2012 | Reduced from two entering lanes (LT only, TH only) on west leg to one lane in 2015-2016. Now single-lane roundabout. ICD estimated from Google Maps linework. | 
| Riverside at Somersett,
                NV Washoe Co. United States | Somersett Pkwy. / River Hill Way (39.52375, -119.91112) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 58.0393 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2003 | ICD estimated from Google Maps linework. | 
| Reno,
                NV Washoe Co. United States | Somersett Pkwy. / Town Square Way (39.53182, -119.91117) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 46.0576 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2003 | ICD estimated from Google Maps linework. | 
| Reno,
                NV Washoe Co. United States | Somersett Pkwy. / Autumn Ridge Cir. / Morgan Point Cir. (39.53265, -119.91611) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 50.6627 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| Reno,
                NV Washoe Co. United States | Somersett Pkwy. / Logon Ridge Trl. / Evening Rock Trl (39.53394, -119.92088) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 46.9773 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| Reno,
                NV Washoe Co. United States | Somersett Pkwy. / Forest Willow Trl. (39.53680, -119.93605) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.8434 | Other (At-Grade) Single-Lane | 2004 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| Reno,
                NV Washoe Co. United States | Somersett Pkwy. / Back Nine Trl. (39.53645, -119.94467) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 40.5280 | Other (At-Grade) Single-Lane | 2004 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| The Legends at Sparks Marina,
                NV Washoe Co. United States | E Lincoln Way / Legends Bay Dr. (39.53584, -119.72049) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 43.2916 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Year Completed estimated (2007-2010). ICD estimated from Google Maps linework. | 
| The Legends at Sparks Marina,
                NV Washoe Co. United States | E Lincoln Way / George Ferris Dr. / Scheels Dr. (39.53367, -119.71882) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 68.1634 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Year Completed estimated (2007-2010). ICD estimated from Google Maps linework. | 
| Mortensen-Garson,
                NV Washoe Co. United States | Cabela Dr. / I-80 WB Ramps / (parking lots) (39.51394, -119.96679) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 46.9908 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2008 | Year Completed estimated (2006-2010). ICD estimated from Google Maps linework. | 
| Reno,
                NV Washoe Co. United States | SR 341 (Geiger Grade Rd.) / Veterans Pkwy. / (parking) (39.40271, -119.74165) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 62.4840 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | Double left (left, left-through-right) on south leg; double right (left-through-right, right) on west leg. | 
| Reno,
                NV Washoe Co. United States | Wedekind Rd. / Clear Acre Ln. (39.55157, -119.78930) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 23.0222 | Other (At-Grade) Single-Lane | 1999 | Previously controlled by two-way stop ICD estimated from Google Maps linework. | 
| Reno,
                NV Washoe Co. United States | Northtowne Ln. / Wal-Mart entrance (39.55531, -119.78230) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.3085 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Reno,
                NV Washoe Co. United States | Neill Rd. / Kietzke Ln. (39.46721, -119.79120) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 52.5545 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2007 | ICD estimated from Google Maps linework. | 
| Reno,
                NV Washoe Co. United States | Wells Ave. / Regency Way (39.50890, -119.80320) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 29.4866 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Reno,
                NV Washoe Co. United States | Ferrari McLeod Blvd. / Remington Park Dr. (39.56671, -119.81484) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2007-2010). | 
| Reno,
                NV Washoe Co. United States | Ridgeview Dr. / Piaaza Villagio (39.46993, -119.83415) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| South Central,
                NV Washoe Co. United States | Piazza Villagio / Vista Favoloso (39.47002, -119.83304) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Virginia Footills,
                NV Washoe Co. United States | Bucephalus Pkwy. / Burmese Ln. / Show Jumper Ln. (39.43756, -119.70732) | Other Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands on north and south legs. | |
| Virginia Footills,
                NV Washoe Co. United States | Bucephalus Pkwy. / Show Jumper Ln. (39.43790, -119.71097) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2015 | Painted splitter islands on north and south legs. Year Completed estimated (2014-2015). | 
| Virginia Footills,
                NV Washoe Co. United States | Buchephalus Pkwy. / Copenhagen Way / Bonfire Ln. (39.43838, -119.71442) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Virginia Footills,
                NV Washoe Co. United States | Burghley Ln. / Calais Ln. (39.43197, -119.71530) | Unknown Existing | Unknown Unknown | 3 Approaches 4 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Virginia Footills,
                NV Washoe Co. United States | McCauley Ranch Blvd. / Gold Mine Dr. (39.42575, -119.70909) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2007 | Painted splitter islands on all legs. | 
| Sparks,
                NV Washoe Co. United States | Vista Heights Dr. / Earthstone Dr. (39.58417, -119.69387) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | No splitter islands. | |
| Reno,
                NV Washoe Co. United States | Douglas Fir Dr (39.35651, -119.84460) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Reno,
                NV Washoe Co. United States | St. James Pkwy. / N Earlham Ct. (39.34445, -119.80783) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | No splitter islands. | |
| Northwest,
                NV Washoe Co. United States | Town Square Ln. / Lone Oak Trl. (39.53142, -119.91215) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Sparks,
                NV Washoe Co. United States | S.D. Andrea Pkwy. / San Marino Dr. (39.55103, -119.70213) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | No splitter islands on three legs. | |
| Reno,
                NV Washoe Co. United States | Piney Creek Parklet (39.35846, -119.83950) | Other Existing | Unknown Unknown | 2 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Reno,
                NV Washoe Co. United States | Myrtlewood Parklet (39.35885, -119.83477) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | No splitter islands. | |
| Reno,
                NV Washoe Co. United States | E 2nd St. / Giroux St. (39.52751, -119.79198) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | 2021 | Giroux Street is one-way away from the intersection; previous intersection only had one conflicting vehicular movement (EBLT) and three pedestrian crossings. Year Completed estimated (2018-2021). | 
| Sparks,
                NV Washoe Co. United States | Lazy Pkwy. / Kiley Pkwy. (39.61527, -119.71852) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2020 | Vane islands between entry lanes on east and west legs. Year Completed estimated (2018-2020). | 
| Reno,
                NV Washoe Co. United States | Trading Post Rd. / Silver Dollar Ln. (39.61929, -119.86814) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2020 | Previous control was one-way yield. | 
| Reno,
                NV Washoe Co. United States | W 4th St. / Woodland Ave. (39.50921, -119.89662) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.rtcwashoe.com/engineering-project/4th-street-and-woodland-avenue-roundabout/ | 
| Reno,
                NV Washoe Co. United States | Greenwich Way / Waverly Dr. (39.50072, -119.86053) | Other Existing | Unknown Unknown | 2 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Reno,
                NV Washoe Co. United States | Caughlin Crossing / Caughlin Glen (39.50195, -119.85952) | Other Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Painted splitter islands. | |
| Reno,
                NV Washoe Co. United States | Burghley Ln. / Kerrydale Ct. (39.43443, -119.71424) | Other Existing | Unknown Unknown | 2 Approaches 5 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Sparks,
                NV Washoe Co. United States | N D'Andrea Pkwy. / San Marino (39.55763, -119.70347) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2000 | Painted splitter islands on east and south legs. Oval shaped. ICD = 100 ft x 85 ft. Year Completed estimated (1999-2002). | 
| Sparks,
                NV Washoe Co. United States | N D'Andrea Pkwy. / Amore Dr. (39.55847, -119.70259) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2002 | |
| Pioneer Meadows,
                NV Washoe Co. United States | Wingfield Hills Rd. / Lazy Pkwy. / (unknown) (39.61466, -119.70987) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2019 | Year Completed estimated (2018-2020). | 
| Salem Township,
                MI Washtenaw Co. United States | N Territorial Rd. E / Pontiac Trl. (42.36546, -83.65682) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | https://www.wcroads.org/wcrc-project/pontiac-tr-n-territorial-rd-roundabout/ | 
| Northville,
                MI Washtenaw Co. United States | Eight Mile Rd. / Currie Rd. (42.43382, -83.59039) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | https://www.rcocweb.org/529/Currie-Road-COMPLETE | 
| Scio Township ,
                MI Washtenaw Co. United States | W Liberty Rd. / Zeeb Rd. (42.26934, -83.83817) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | https://www.mlive.com/news/ann-arbor/2022/09/new-roundabout-near-ann-arbor-opens-after-weeks-of-construction.html | 
| Ann Arbor,
                MI Washtenaw Co. United States | E Ann St / Observatory St. / (hospital access) (42.28240, -83.73114) | Roundabout Existing | All-Way Yield None | 2 Approaches 3 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2007 | Year Completed estimated (2006-2007). | 
| Ypsilanti,
                MI Washtenaw Co. United States | Whittaker Rd. / Bemis Rd. (42.17317, -83.60141) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2023 | https://www.wcroads.org/wcrc-project/bemis-rd-whittaker-rd-roundabout/ | 
| Ann Arbor,
                MI Washtenaw Co. United States | Broadway St. / (unknown) / (parking) (42.29022, -83.73723) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 18.2880 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2020 | |
| Scio Township,
                MI Washtenaw Co. United States | Miller Rd. / N Zeeb Rd. (42.31011, -83.83946) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://www.wcroads.org/wcrc-project/miller-rd-and-zeeb-rd-roundabout/ | 
| Ann Arbor,
                MI Washtenaw Co. United States | Red Oak Rd. / Mixtwood St. (42.29141, -83.76042) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2023 | Oval shaped. No splitter islands. https://www.mlive.com/news/ann-arbor/2023/11/ann-arbor-installs-another-mini-neighborhood-traffic-roundabout.html | 
| Ann Arbor,
                MI Washtenaw Co. United States | W Madison St. / Mount Vernon Ave. / Mount Pleasant Ave. / Eberwhite Blvd. (42.27355, -83.76147) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 22.8600 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2023 | Pedestrian crossings adjacent to circulatory roadway on west, north, and east legs. https://www.mlive.com/news/ann-arbor/2023/10/check-out-ann-arbors-new-mini-neighborhood-roundabout-now-open-to-traffic.html | 
| Augusta Township,
                MI Washtenaw Co. United States | Whittaker Rd. / Willis Rd. (42.15726, -83.60088) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://www.facebook.com/photo.php?fbid=960810756074083&set=a.249859160502583&type=3. | 
| Sister Lakes,
                MI Washtenaw Co. United States | N Bay Dr. / Timmins Dr. / Chapleau Dr. (42.26417, -83.79140) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands on three legs. | |
| Ann Arbor,
                MI Washtenaw Co. United States | Maple Rd. / M-14 EB Ramps (42.29992, -83.78104) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.7680 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2007 | |
| Ann Arbor,
                MI Washtenaw Co. United States | Maple Rd. / (Skyline High School Entrance) (42.30557, -83.78114) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2007 | Entrance to high school. | 
| Ann Arbor,
                MI Washtenaw Co. United States | Maple Rd. / M-14 WB Ramps (42.30178, -83.78112) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 159.9999 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2007 | |
| Pittsfield Township,
                MI Washtenaw Co. United States | Campus Pkwy. / Suncrest Dr. / (parking) (42.18764, -83.74729) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2002 | |
| Pittsfield Township,
                MI Washtenaw Co. United States | Campus Pkwy. / Community Dr. (42.18982, -83.74387) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2002 | |
| Ann Arbor,
                MI Washtenaw Co. United States | Huron Pkwy. / Nixon Rd. (42.30516, -83.70748) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2009 | |
| Ann Arbor,
                MI Washtenaw Co. United States | State St. / Ellsworth Rd. (42.22938, -83.73901) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2013 | Offset crosswalks. | 
| Ypsilanti,
                MI Washtenaw Co. United States | Textile Rd. / Stony Creek Rd. (42.20172, -83.62311) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2016 | |
| Ypsilanti,
                MI Washtenaw Co. United States | Textile Rd. / Hitchingham Rd. (42.20169, -83.62088) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2015 | |
| Ypsilanti,
                MI Washtenaw Co. United States | Whittaker Rd. / Stony Creek Rd. (42.20999, -83.61936) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.4632 | Unknown Multilane (2 Lane, unspecified) | 2010 | Fourth leg serves parking lot. | 
| Ypsilanti,
                MI Washtenaw Co. United States | Geddes Rd. / Superior Rd. (42.27492, -83.63755) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | Merging right-turn bypass lane in northeast quadrant. | 
| Ypsilanti,
                MI Washtenaw Co. United States | Geddes Rd. / Ridge Rd. (42.27679, -83.55419) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2013 | |
| Ann Arbor,
                MI Washtenaw Co. United States | Geddes Rd. / US 23 NB Ramps (42.27440, -83.67437) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 42.6720 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2011 | |
| Ann Arbor,
                MI Washtenaw Co. United States | Geddes Rd. / US 23 SB Ramps (42.27450, -83.67833) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 47.2440 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2011 | Add-lane right-turn bypass lane in northwest quadrant. | 
| Ann Arbor,
                MI Washtenaw Co. United States | Geddes Rd. / Earhart Rd. (42.27460, -83.68216) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2011 | At Concordia College campus. | 
| Saline,
                MI Washtenaw Co. United States | Ann Arbor-Saline Rd. / Textile Rd. (42.19859, -83.79691) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2016 | |
| Chelsea,
                MI Washtenaw Co. United States | M-52 (Stockbridge Chelsea Rd.) / Werkner Rd. (42.33671, -84.02885) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2016 | |
| Northfield Township,
                MI Washtenaw Co. United States | W 8 Mile Rd. / US 23 SB Ramps (42.42923, -83.76779) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Add-lane right-turn bypass lane on west leg. |