| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Morrisville,
                NC Wake Co. United States | Grace Park Dr. / (unknown) (35.82126, -78.84701) | Other Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 26.1473 | Other (At-Grade) Single-Lane | No splitter islands. ICD = 100 ft. ICD estimated from Google Maps linework. | |
| Morrisville,
                NC Wake Co. United States | Grace Point Rd. / Denmark Manor Dr. (35.85013, -78.84691) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.7865 | Other (At-Grade) Single-Lane | 2009 | Splitter islands added 2010-2013. ICD = 140 ft. ICD estimated from Google Maps linework. | 
| Morrisville,
                NC Wake Co. United States | Market Center Dr. / Village Market Pl. (35.80699, -78.81617) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.8065 | Other (At-Grade) Single-Lane | 2011 | ICD = 140 ft. Year Completed estimated (2010-2013). ICD estimated from Google Maps linework. | 
| Morristown,
                VT Lamoille Co. United States | VT 100 / VT 15 / (shopping center parking) (44.57684, -72.59465) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2014 | |
| Morristown,
                NJ Morris Co. United States | Morris St. / Spring St. (40.79761, -74.47800) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | https://nj1015.com/hows-the-new-circle-in-morristown-nj-youd-be-surprised/ | 
| Morrisburg,
                ON Stormont (Dundas & Glengarry) Canada | CR 2 / CR 31 / Ottawa St. (44.90050, -75.18542) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2021-2022). https://www.renewcanada.net/three-levels-of-government-mark-unveiling-of-morrisburg-roundabout/ | 
| Morrinsville,
                Waikato Matamata-Piako New Zealand | SH 26 (Allen St.) / Studholme St. (-37.65926, 175.52912) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morrinsville,
                Waikato Matamata-Piako New Zealand | Thames St. / Studholme St. (-37.65814, 175.52814) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morphettville,
                South Australia Marion Australia | Hendrie St. / Nilpena Ave. (-34.98476, 138.54680) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morphett Vale,
                South Australia Onkaparinga Australia | Wheatsheaf Rd. / States Rd. (-35.12562, 138.53635) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morphett Vale,
                South Australia Onkaparinga Australia | States Rd. / Doctors Rd. (-35.13605, 138.53718) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morphett Vale,
                South Australia Onkaparinga Australia | Flaxmill Rd. / Brodie Rd. / Kenneth Rd. (-35.12692, 138.51084) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morphett Vale,
                South Australia Onkaparinga Australia | Bains Rd. / States Rd. (-35.11513, 138.53559) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morpeth,
                England Northumberland United Kingdom | Morpeth Northern Bypass / A1 NB Ramps (55.17617, -1.71982) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | ||
| Morpeth,
                England Northumberland United Kingdom | Morpeth Northern Bypass / A1 SB Ramps (55.17567, -1.71786) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | ||
| Mororo,
                New South Wales Clarence Valley Australia | Iluka Rd. / Chatsworth Rd. / Banana Rd. / M1 (Pacific Motorway) NB Ramps (-29.35496, 153.24738) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | ||
| Morogoro,
                Morogoro Morogoro Urban Tanzania | Madaraka Rd. / University Rd. (-6.82773, 37.65914) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Morogoro,
                Morogoro Morogoro Urban Tanzania | Madaraka Rd. / Lumumba Rd. (-6.82740, 37.66497) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morogoro,
                Morogoro Morogoro Urban Tanzania | Madaraka Rd. / Kitope Rd. (-6.82720, 37.66906) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Morogoro,
                Morogoro Morogoro Urban Tanzania | Lumumba / (unknown) (-6.82425, 37.66336) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morogoro,
                Morogoro Morogoro Urban Tanzania | A7 / B129 (-6.80517, 37.66341) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Mornington,
                Victoria Mornington Peninsula Australia | C783 (Esplanade) / Barkly St. / Wilsons Rd. (-38.22381, 145.03247) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Mornington,
                Victoria Mornington Peninsula Australia | C782 (Main St.) / Barkly St. (-38.22088, 145.03963) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Mornington,
                Victoria Mornington Peninsula Australia | Tanti Ave. / Barkly St. (-38.21910, 145.04362) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morningside Park,
                CA Los Angeles Co. United States | Park Circle (33.96368, -118.32215) | Other Existing | All-Way Stop Unknown | 6 Approaches 0 Driveways 105.9906 | Other (At-Grade) Single-Lane | Parking along circulatory roadway. Park with pedestrian featuresin central island. ICD estimated from Google Maps linework. | |
| Morningside,
                Queensland Australia | Lytton Rd. / Junction Rd. / Colmslie Rd. (-27.45764, 153.08788) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 38.1524 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Morningside,
                Queensland Australia | Agnew St. / Waminda St. / Bennetts Rd. (-27.47617, 153.06625) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 28.6095 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Morningside,
                MA Berkshire Co. United States | Tyler St. / Woodlawn Ave. / Dalton Ave. (42.45643, -73.23392) | Roundabout Existing | Unknown Unknown | 5 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | 2021 | Year Completed estimated (2018-2022). | 
| Moriyama City,
                Shiga Pref. Japan | Tatsutacho neighborhood (unnamed streets) (35.09630, 135.97782) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morisset Park,
                New South Wales Lake Macquarie Australia | Trinity Point Dr. / Morisset Park Rd. / Charles Ave. (-33.12310, 151.53357) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morisset,
                New South Wales Lake Macquarie Australia | B53 (Mandalong Rd. - Dora St.) / Freemans Dr. / Wyee Rd. (-33.11292, 151.47823) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morgantown,
                WV Monongalia Co. United States | US 119 / SR 705 (39.64296, -79.93209) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 49.6624 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2013 | ICD estimated from Google Maps linework. | 
| Morgantown,
                WV Monongalia Co. United States | University Town Center Dr. / I-79 SB Ramps (39.63879, -80.00274) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 44.1471 | Freeway Ramps (Grade-Separated) Multilane (3+ Lane) | 2016 | https://www.constructionequipmentguide.com/i-79-interchange-nears-completion-in-morgantown-wva/31295. ICD estimated from Google Maps linework. | 
| Moreland,
                GA Coweta County United States | US 29 / US 27 Alternate / Harris Rd. / Ralph Evans Rd. (33.27899, -84.76548) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2024 | Traffic from the west (Harris Rd) must turn right before entering the roundabout. https://www.facebook.com/reel/385831194453450/ | 
| Moree,
                New South Wales Moree Plains Australia | B76 (Alice St. - Balo St.) / Alice St. / Frome St. (-29.47124, 149.84301) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morecambe,
                England Lancs United Kingdom | A589 (Marine Road Central - Marine Road East) / Lord St. (54.07608, -2.86055) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Mordialloc,
                Victoria Kingston Australia | SR 23 (Boundary Rd.) / SR 12 (Governor Rd.) (-38.00726, 145.10394) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Morcambe,
                England Lancashire United Kingdom | A589 (Broadway - Lancaster Rd.) / Lancaster Rd. (54.06671, -2.83929) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Morcambe,
                England Lancashire United Kingdom | A589 (Morecambe Rd. - Lancaster Rd.) / B5321 (Lancaster Rd.) / Hall Dr. / Westgate (54.06629, -2.83825) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, 2x2 max) | ||
| Mór,
                Fejér Móri járás Hungary | Deák Ferenc utca / Dozsa Gyorgy utca (47.37202, 18.20903) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Mór,
                Fejér Móri járás Hungary | Deák Ferenc utca / Vértes utca / Kodály Zoltán utca (47.37089, 18.20654) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Mór,
                Fejér Móri járás Hungary | Erzsébet tér / Zrinyi u. (47.37591, 18.21105) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-lane w/ Traversable Central Island | ||
| Moose Lake,
                MN Carlton Co. United States | STH 73 / Moose Lake Rd. (46.43462, -92.76169) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 33.7475 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Mooroolbark,
                Victoria Yarra Ranges Australia | Hull Rd. / Lincoln Rd. (-37.78966, 145.30925) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | System of three closely spaced multilane roundabouts. | |
| Mooroolbark,
                Victoria Yarra Ranges Australia | Hull Rd. / Cambridge Rd. (-37.78960, 145.31001) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | System of three closely spaced multilane roundabouts. | |
| Mooroolbark,
                Victoria Yarra Ranges Australia | Hull Rd. / Manchester Rd. (-37.78916, 145.31033) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | System of three closely spaced multilane roundabouts. | |
| Mooroobool,
                Queensland Cairns Australia | Beatrice St. / Irene St. / Summer Hill Dr. (-16.93447, 145.72952) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Moorhead,
                MN Clay Co. United States | 28th Ave. S / 36th St. S / 40th St. S (46.85076, -96.71976) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.9241 | Other (At-Grade) Single-Lane | 2012 | ICD estimated from Google Maps linework. | 
| Moorhead,
                MN Clay Co. United States | 24th Ave. S / 40th St. S (46.85499, -96.71504) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.3030 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Moorhead,
                MN Clay Co. United States | US 75 / CSAH 12 (60th Ave S) (46.80399, -96.76775) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.8757 | Other (At-Grade) Single-Lane | 2011 | High-speed approaches in rural area. ICD estimated from Google Maps linework. | 
| Mooresville,
                NC Iredell Co. United States | Plantation Ridge Dr. / Singleton Rd. (35.58837, -80.87576) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 31.0800 | Other (At-Grade) Single-Lane | 2002 | Year completed estimated (1994-2004). ICD estimated from Google Maps linework. | 
| Mooresville,
                IN Morgan Co. United States | IN-144 / Kitchen Rd. (39.58146, -86.31707) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.4222 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Mooresville,
                NC Iredell Co. United States | College St. / S Church St. (35.57668, -80.81736) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 52.4552 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2014 | ICD estimated from Google Maps linework. | 
| Mooresville,
                NC Iredell Co. United States | Langtree Rd. / Alcove Rd. / Mecklynn Rd. (35.52905, -80.86581) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.9629 | Other (At-Grade) Single-Lane | 2009 | Bypass lanes in all quadrants. ICD estimated from Google Maps linework. | 
| Mooresville,
                NC Iredell Co. United States | Brawley School Rd. / The Point Dr. (35.53482, -80.92054) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 83.5834 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2001 | Between 1998 and 2003 ICD estimated from Google Maps linework. | 
| Mooresville,
                NC Iredell Co. United States | New Haven Dr. / Longfellow Ln. (35.52184, -80.92584) | Roundabout Existing | All-Way Yield None | 3 Approaches 2 Driveways 45.6867 | Other (At-Grade) Single-Lane | 2003 | ICD estimated from Google Maps linework. | 
| Mooresville,
                IN Morgan Co. United States | Meadow Lakes Dr. / (parking) (39.62448, -86.35528) | Other Existing | Uncontrolled None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Mooresville,
                IN Morgan Co. United States | Ayshire Cir. / Bean Blossom Dr. / Heartland Blvd. / (parking) (39.62938, -86.30377) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands on northeast and southwest legs. | |
| Moorebank,
                New South Wales Liverpool Australia | Brickmakers Dr. / Conlon Ave. (-33.93554, 150.96183) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Moore Park Beach,
                Queensland Bundaberg Australia | Palm View Dr. / Acacia Dr. / Sylvan Dr. (-24.71150, 152.26879) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Moore Park Beach,
                Queensland Bundaberg Australia | Murdochs Rd. / Pandanus St. / Murdochs Linking Rd. (-24.70928, 152.25587) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Moore,
                OK Cleveland Co. United States | Fritts Blvd. / Glenn Lewis Blvd. (35.31520, -97.49890) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 54.8640 | Other (At-Grade) Single-Lane | 2021 | Fish-hook signage; yield pavement markings; truck apron. | 
| Mooney Mooney,
                New South Wales Central Coast Australia | Old Pacific Hwy. / Peats Ferry Rd. / M1 (Pacific Motorway) NB Ramps / (parking) (-33.53117, 151.19921) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | ||
| Moonee Beach,
                New South Wales Coffs Harbour Australia | Moonee Beach Rd. / Solitary Islands Way / M1 (Pacific Hwy.) NB Ramps (-30.20361, 153.14786) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | ||
| Moonee Beach,
                New South Wales Coffs Harbour Australia | Moonee Beach Rd. / M1 (Pacific Hwy.) SB Ramps (-30.20364, 153.14958) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | ||
| Moonah,
                Tasmania Glenorchy Australia | Hopkins St. / Gormanston Rd. (-42.84515, 147.29903) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-lane w/ Traversable Central Island | Elliptical shaped. | |
| Moonah,
                Tasmania Glenorchy Australia | Charles St. / Hopkins St. (-42.84684, 147.29301) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Moon Township,
                PA Allegheny Co. United States | SR 3070 / Resurrection Rd. / I-376 SB Ramps (40.48070, -80.20240) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.4290 | Freeway Ramps (Grade-Separated) Single-Lane | 2011 | Previously controlled by two-way stop ICD estimated from Google Maps linework. | 
| Mooloolaba,
                Queensland Sunshine Coast Australia | SR 6 (Brisbane Rd.) / Tarcoola Ave. / Foote St. (-26.68349, 153.11797) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Moolap,
                Victoria Greater Geelong Australia | Townsend Rd. / Coppards Rd. (-38.18249, 144.40089) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Moody Air Force Base,
                GA Lowndes Co. United States | Burma Rd. / Stone Rd. / Warewolf Run (30.96722, -83.21139) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 37.8914 | Other (At-Grade) Single-Lane | 2007 | Painted splitter islands. ICD estimated from Google Maps linework. | 
| Moody Air Force Base,
                GA Lowndes Co. United States | Mitchell Blvd. / Georgia St. / Robinson Rd. (30.97833, -83.20778) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 29.6952 | Other (At-Grade) Single-Lane | 2005 | Painted splitter islands. ICD estimated from Google Maps linework. | 
| Moody Air Force Base,
                GA Lowndes Co. United States | Robbins Rd. / Burma Rd. / Georgia St. (30.97083, -83.21278) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.0583 | Other (At-Grade) Single-Lane | 2005 | Painted splitter islands. ICD estimated from Google Maps linework. | 
| Moody Air Force Base,
                GA Lowndes Co. United States | Stone Rd. / Davidson Rd. (30.96278, -83.21584) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.9414 | Other (At-Grade) Single-Lane | 2007 | Painted splitter islands. Right turn bypass lane due to skew angle. ICD estimated from Google Maps linework. | 
| Monza,
                Lombardy Monza e Brianza Italy | SP2 (Viale Libertà) / Viale Gian Battista Stucchi / SP60 (45.59207, 9.31135) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Monza,
                Lombardy Monza e Brianza Italy | Viale Gian Battista Stucchi / SP13 (Viale Sicilia) (45.58111, 9.30967) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Monza,
                Lombardy Monza e Brianza Italy | Viale Cesare Battisti / Via Lario / Viale Elvezia / Via Luciano Manara / Viale Lombardia (45.59056, 9.25374) | Roundabout Existing | All-Way Yield Pedestrian Signal (red-yellow-green to drivers) | 5 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Monza,
                Lombardy Monza e Brianza Italy | SP527 (Via Lario) / Via Monte Curone (45.59103, 9.24844) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Monument,
                CO El Paso Co. United States | Woodcarver Rd. / Baptist Rd. (39.05651, -104.85853) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2015-2016). | 
| Monument,
                CO El Paso County United States | W Baptist Rd. / Terrazzo Dr. (39.05656, -104.85476) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 53.3400 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2024 | https://www.codot.gov/projects/archives/baptistterrazzoroundabout | 
| Montview,
                VA Lynchburg City Co. United States | Odd Fellows Rd. / Mayflower Dr. (37.38051, -79.16013) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.5539 | Other (At-Grade) Single-Lane | 2019 | https://www.virginiadot.org/projects/lynchburg/odd_fellows_road.asp ICD estimated from Google Maps linework. | 
| Mont-Tremblant,
                QC Laurentides Region Canada | Montee Ryan / Chemin Duplessis (46.20699, -74.59426) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 44.1960 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2002 | Opened fall 2002. | 
| Mont-Tremblant,
                QC Les Laurentides Regional County Municipality Canada | Route Transcanadienne / Rue Vaillancourt (46.11568, -74.57664) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 55.4702 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | https://translate.google.com/translate?hl=en&sl=fr&u=https://auto.lapresse.ca/actualites/nouvelles/201309/13/01-4689204-carrefours-giratoires-attention-ca-tourne.php&prev=search Fourth approach stubbed. ICD estimated from Google Maps linework. | 
| Mont-Tremblant,
                QC Les Laurentides Regional County Municipality Canada | Route Transcanadienne / Rue Siméon (46.11689, -74.56281) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 52.9853 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2013 | Under construction in Sept 2012 (Streetview). ICD estimated from Google Maps linework. | 
| Mont-Tremblant,
                QC Les Laurentides Regional County Municipality Canada | Rue de St-Jovite / Rue Siméon (46.11775, -74.56303) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.4923 | Other (At-Grade) Single-Lane | 2013 | Fourth approach stubbed. ICD estimated from Google Maps linework. | 
| Mont-Tremblant,
                QC Les Laurentides Regional County Municipality Canada | Chemin Duplessis / Chemin du Versant-Soleil (46.19861, -74.57515) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.2000 | Other (At-Grade) Single-Lane | 2002 | Year Completed estimated (before 2009). ICD estimated from Google Maps linework. | 
| Mont-Tremblant,
                QC Les Laurentides Regional County Municipality Canada | Chemin du Versant-Soleil / Chemin des Pleiades (46.19915, -74.56762) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.5864 | Other (At-Grade) Single-Lane | 2002 | Year Completed estimated (before 2009). ICD estimated from Google Maps linework. | 
| Mont-Tremblant,
                QC Les Laurentides Regional County Municipality Canada | Chemin de la Constellation / Chemin du Versant-Soleil (46.20045, -74.56332) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.6258 | Other (At-Grade) Single-Lane | 2002 | Year Completed estimated (before 2009). ICD estimated from Google Maps linework. | 
| Montrose,
                CO Montrose Co. United States | S Hillcrest Dr. / Sunnyside Rd. (38.47450, -107.85663) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 15.8954 | Other (At-Grade) Single-Lane | 2016 | date: https://www.cityofmontrose.org/CivicAlerts.aspx?AID=1235 ICD estimated from Google Maps linework. | 
| Montrose,
                CO Montrose Co. United States | Ogden Rd. / Woodgate Rd. (38.45096, -107.86297) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.7365 | Other (At-Grade) Single-Lane | 2011 | Year Completed estimated (2011-2012). ICD estimated from Google Maps linework. | 
| Montrose,
                CO Montrose Co. United States | Miami Rd. / Hillcrest Dr. (38.48179, -107.85677) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2019 | https://www.cityofmontrose.org/701/Miami-Hillcrest-Roundabout-Project | 
| Montrose,
                CO Montrose Co. United States | Niagara Rd. / Hillcrest Dr. (38.46724, -107.85663) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://www.montrosepress.com/hillcrest-and-niagara-roundabout-opens/image_bc92464a-3aea-11ef-be15-b79f08cef2a5.html | 
| Montrose,
                CO Montrose Co. United States | Grand Ave. / N 9th St. (38.48349, -107.88856) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2012 | Year Completed estimated (2011-2012). | 
| Montréal,
                QC Montréal Region Canada | Ave. Marie-Curie / Blvd. Alfred Nobel (45.48518, -73.76222) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.6801 | Other (At-Grade) Multilane (2 Lane, unspecified) | 1998 | Completed November 1998. Functional Class: Collector ICD estimated from Google Maps linework. | 
| Montreal,
                QC Montreal Canada | Boulevard René-Lévesque / Rue Jacques-le Ber / A-10 NB Onramp / A-15 WB Offramp (45.47093, -73.53801) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 36.8521 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2007 | Year Completed estimated (2004-2009). ICD estimated from Google Maps linework. | 
| Montreal,
                QC Montreal Canada | Carrefour Alexander-Graham-Bell (Chemin de la Pointe N / A-15 WB Offramp / A-10 NB Onramp) (45.47195, -73.54155) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 39.3640 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2007 | Year Completed estimated (2004-2009). ICD estimated from Google Maps linework. | 
| Montreal,
                QC Montreal Canada | Boulevard de l'Île des Soeurs / Boulevard René-Lévesque (45.46579, -73.54476) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 36.8555 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| Montreal,
                QC Montreal Canada | Boulevard de l'Île des Soeurs / Place du Commerce / Chemin du Golf (45.46789, -73.54627) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 46.0676 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2003 | Year Completed estimated (2002-2004). ICD estimated from Google Maps linework. | 
| Montreal,
                QC Montreal Canada | Avenue Pierre-de Coubertin / Avenue Desjardins (45.55450, -73.55120) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 30.0000 | Other (At-Grade) Single-Lane | 2021 | |
| Montreal,
                QC Montreal Canada | Avenue Pierre-de Coubertin / Rue Leclaire (45.56049, -73.54725) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 25.0000 | Other (At-Grade) Single-Lane | 2022 | https://journalmetro.com/local/2986842/un-carrefour-giratoire-trop-dangereux-pour-les-cyclistes-et-les-pietons/ |