| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                London,
                ON Middlesex Canada  | 
            
                Meadowgate Blvd. / Reardon Blvd. (42.96234, -81.18034)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 35.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Year Completed estimated (2002-2006). | 
| 
                London,
                ON Middlesex Canada  | 
            
                Coronation Dr. / Carriage Way (42.99640, -81.32622)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | |
| 
                London,
                ON Middlesex Canada  | 
            
                Coronation Dr. / Lawson Rd. (42.99659, -81.32142)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 35.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Year Completed estimated (2006-2009). | 
| 
                London,
                ON Middlesex Canada  | 
            
                Brunswick Ave. / Coronation Dr. (42.99836, -81.32060)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | |
| 
                London,
                ON Middlesex Canada  | 
            
                Callingham Dr. / Meadowlands Way (43.03489, -81.29534)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | Year Completed estimated (2010-2013). Splitter islands added 2016-2019. (streetview) 21442 | 
| 
                London,
                ON Middlesex Canada  | 
            
                Sunningdale Rd. W / Wonderland Rd. N (43.03011, -81.31690)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.6368  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2014 | Year Completed estimated (2013-2015). ICD estimated from Google Maps linework. | 
| 
                London,
                ON Middlesex Canada  | 
            
                Trafalgar St. / Hale St. (42.98579, -81.19280)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.9471  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Built on a overpass above Canadian National Railway tracks. Replaced two T-intersections and an at-grade rail crossing. Named the Charley Fox Memorial Overpass and Roundabout ICD estimated from Google Maps linework. | 
| 
                Somerville,
                MA Middlesex Co. United States  | 
            
                Great River Rd. / Grand Union Blvd. (42.39621, -71.08140)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.7524  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | ICD estimated from Google Maps linework. | 
| 
                Hudson,
                MA Middlesex Co. United States  | 
            
                Washington St. (Rte 85) / Broad St. (42.37933, -71.56500)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 55.5817  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2013 | entry channelization islands ICD estimated from Google Maps linework. | 
| 
                Cambridge,
                MA Middlesex Co. United States  | 
            
                Concord Ave (US 3) / Alewife Brook Parkway (Rte 2) (42.38844, -71.14346)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 56.4557  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Pavement markings installed in 2017. No crosswalks. ICD estimated from Google Maps linework. | |
| 
                Belmont,
                MA Middlesex Co. United States  | 
            
                Orchard St / Stone St (42.39213, -71.16707)  | 
            
                Traffic Calming Circle Existing  | 
            
                Uncontrolled None  | 
            
                3 Approaches 6 Driveways 57.3345  | 
            
                Other (At-Grade) Single-Lane  |   
            No traffic signs nor pavement markings present. ICD estimated from Google Maps linework. | |
| 
                Cambridge,
                MA Middlesex Co. United States  | 
            
                Concord Ave / New St / Fresh Pond Pkwy (US 3, Rte 2) (42.38670, -71.14100)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 38.8144  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Pavement markings for bike conflict areas added in approx. 2018 (on New St exit). ICD estimated from Google Maps linework. | |
| 
                Cambridge,
                MA Middlesex Co. United States  | 
            
                Memorial Dr (Rte 3) / Brookline St / BU Bridge (Rte 2) (42.35424, -71.11081)  | 
            
                Rotary Existing  | 
            
                Other None  | 
            
                4 Approaches 0 Driveways 84.7297  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            Control Types: Signals on BU Bridge approach and exit, other approaches yield sign. ICD estimated from Google Maps linework. | |
| 
                Ayer,
                MA Middlesex Co. United States  | 
            
                Main St. (Rte 2A, Rte 111) / Sandy Pond Rd. / Littleton Rd. (Rte 2A, Rte 110) / Harvard Rd. (Rte 110, Rte 111) / Barnum Rd (42.55279, -71.57239)  | 
            
                Rotary Existing  | 
            
                Other None  | 
            
                5 Approaches 0 Driveways 118.7740  | 
            
                Other (At-Grade) Single-Lane  |   
            All-Yield Control expect for Barnum Rd (Stop-controlled) ICD estimated from Google Maps linework. | |
| 
                Wakefield,
                MA Middlesex Co. United States  | 
            
                Rte 129 (Salem St.-Lowell St.) / Haverhill St. / I-95 Ramps (42.52541, -71.08090)  | 
            
                Rotary Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 0.0000  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            Pavement markings improvement in 2016. | |
| 
                Everett,
                MA Middlesex Co. United States  | 
            
                Revere Beach Pkwy. (Rte 16) / Mystic View Rd. / Santilli Hwy (42.40238, -71.06892)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal None  | 
            
                5 Approaches 0 Driveways 155.4480  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            Revere Beach Pkwy extends through the rotary. ICD 560 ft x 460 ft. | |
| 
                Malden,
                MA Middlesex Co. United States  | 
            
                Fellsway E / Highland Ave (42.43419, -71.08356)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                4 Approaches 0 Driveways 24.6814  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Medford,
                MA Middlesex Co. United States  | 
            
                Highland Ave. / Woodland Rd. / Elm St. (42.44247, -71.09392)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 53.3400  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | Added roundabout style pavement markings on approaches and definition of circulating roadway in approx. 2015. Right-turn-only lane and two-lane exit on north leg. | 
| 
                Somerville,
                MA Middlesex Co. United States  | 
            
                Alewife Brook Pkwy (Rte 16) / Powder House Blvd (42.40871, -71.13069)  | 
            
                Rotary Existing  | 
            
                Other None  | 
            
                3 Approaches 6 Driveways 73.1924  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Powder House Blvd left turn must yield to the SB entering traffic. ICD estimated from Google Maps linework. | |
| 
                Somerville,
                MA Middlesex Co. United States  | 
            
                Powder House Square [Powder House Blvd. / Broadway / College Ave. / Werner St.] (42.40114, -71.11677)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                6 Approaches 0 Driveways 70.1040  | 
            
                Other (At-Grade) Single-Lane  |   
            2021 | Originally 2-lane traffic circle with signal control on all entries and central island originally accessible for pedestrians. Converted to a single-lane roundabout in 2021 using only signing, striping, and raised markers. As of March 2022, all signals (including pedestrian signals) have been covered. | 
| 
                Winchester,
                MA Middlesex Co. United States  | 
            
                Main St / Mt Vernon St / Church St / Park St / Laraway Rd (42.45281, -71.13716)  | 
            
                Rotary Existing  | 
            
                Uncontrolled Pedestrian Signal (red-yellow-green to drivers)  | 
            
                5 Approaches 0 Driveways 47.5856  | 
            
                Other (At-Grade) Single-Lane  |   
            Improved ped crossings (markings) approx. 2001. Ped access to train station nearby. Bike racks. on-street parking on circular roadway. ICD estimated from Google Maps linework. | |
| 
                Hudson,
                MA Middlesex Co. United States  | 
            
                Washington St (Rte 85) / Central S / Main St (Rte 62) (42.39127, -71.56985)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 21.1699  | 
            
                Other (At-Grade) Single-Lane  |   
            On street parking in circulatory roadway ICD estimated from Google Maps linework. | |
| 
                Framingham,
                MA Middlesex Co. United States  | 
            
                Union Ave / Main St / Maple St (42.29709, -71.43089)  | 
            
                Other Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                4 Approaches 2 Driveways 51.2374  | 
            
                Other (At-Grade) Single-Lane  |   
            Wide circular roadway (2 lane) All approaches 1 lane Geometry unconventional; decreases overview (oval circular road, with minor approaches under an angle) Residential context repaved surface in 2016; new pavement markings consisting of three high vis crosswalks 1 South and 2 North on the major road. No further improvements to pavement markings now or in the last 10 years. Speed limit 25 mph ICD estimated from Google Maps linework. | |
| 
                Belmont,
                MA Middlesex Co. United States  | 
            
                Marsh St / Prospect St (42.40767, -71.18126)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 2 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            Year Completed unknown. No changes from original configuration. | |
| 
                Pepperell,
                MA Middlesex Co. United States  | 
            
                Main St. / River Rd. / Hollis St. (42.66638, -71.58831)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 38.6410  | 
            
                Other (At-Grade) Single-Lane  |   
            Pedestrian access to central island. ICD estimated from Google Maps linework. | |
| 
                Centralville,
                MA Middlesex Co. United States  | 
            
                Hunts Falls Bridge / VFW Hwy Ramps (42.64822, -71.29907)  | 
            
                Rotary Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 108.9292  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            Rotary interchange. ICD estimated from Google Maps linework. | |
| 
                The Acre,
                MA Middlesex Co. United States  | 
            
                Arcand Dr. / Hall St. / Martin Luther King Jr Way (42.64922, -71.31315)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 62.3697  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands on two legs. Very wide circulatory roadway. ICD estimated from Google Maps linework. | |
| 
                Carlisle,
                MA Middlesex Co. United States  | 
            
                Westford St. / Lowell St. / Bedford Rd. (42.52918, -71.34894)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 2 Driveways 28.9560  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | The previous traffic circle was reconstructed with modern roundabout features in 2020. | 
| 
                Winchester,
                MA Middlesex Co. United States  | 
            
                Main St (Rte 38) / Everell Rd / Bacon St / Grove St (42.44236, -71.13586)  | 
            
                Traffic Calming Circle Existing  | 
            
                Other None  | 
            
                5 Approaches 0 Driveways 23.7968  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                West End,
                MA Middlesex Co. United States  | 
            
                US 20 / I-95 Ramps (42.37131, -71.26901)  | 
            
                Rotary Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways 43.2357  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Cambridge,
                MA Middlesex Co. United States  | 
            
                Grove St. / Washington St. / Blanchard Rd. (42.38637, -71.16042)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 3 Driveways 22.0537  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Lexington,
                MA Middlesex Co. United States  | 
            
                Hancock St. / Hamilton Rd. / Burlington St. / (unknown) (42.46302, -71.23268)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 23.7889  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | ICD estimated from Google Maps linework. | 
| 
                Piscataway Township,
                NJ Middlesex Co. United States  | 
            
                Scarlet Knight Way / Campus Rd. / Bartholomew Rd. / Frelinghuysen Rd. (40.51776, -74.46132)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 57.1998  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Medford,
                MA Middlesex Co. United States  | 
            
                Salem St. (Rte 60) / I-93 Ramps (42.41946, -71.10398)  | 
            
                Rotary Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 149.8864  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Somerville,
                MA Middlesex Co. United States  | 
            
                Mystic Valley Pkwy. / Alewife Brook Pkwy. (42.41465, -71.13133)  | 
            
                Rotary Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 25.5708  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Concord,
                MA Middlesex Co. United States  | 
            
                Rte 2 (Union Tpke-Concord Tpke) / Rte 2A / Barretts Mill Rd. / Commonwealth Ave. (42.46728, -71.39721)  | 
            
                Rotary Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 100.4354  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Infamous Concord rotary. ICD estimated from Google Maps linework. | |
| 
                Lowell,
                MA Middlesex Co. United States  | 
            
                Industrial Ave / American Legion Connector Hwy SB Ramps (42.61379, -71.32136)  | 
            
                Rotary Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 75.5895  | 
            
                Freeway Ramps (Grade-Separated) Unknown  |   
            Longtime rotary near Lowell Connector. ICD estimated from Google Maps linework. | |
| 
                Medford,
                MA Middlesex Co. United States  | 
            
                Fellsway W. / Forest St. / S Border Rd. / I-93 Ramps (42.42933, -71.10333)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 132.2319  | 
            
                Freeway Ramps (Grade-Separated) Unknown  |   
            ICD estimated from Google Maps linework. | |
| 
                Newton,
                MA Middlesex Co. United States  | 
            
                Wheeler Rd. / Meadowbrook Rd. (42.30915, -71.19085)  | 
            
                Other Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                3 Approaches 0 Driveways 22.0809  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | At elementary school. ICD estimated from Google Maps linework. | 
| 
                Woburn,
                MA Middlesex Co. United States  | 
            
                I-95 Ramps / MA 38 (Main St.) (42.49945, -71.15711)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 30.8196  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Framingham,
                MA Middlesex Co. United States  | 
            
                Natick Mall Rd. / Flutie Pass (42.30175, -71.38765)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.1502  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Right-turn-only lanes on north and west legs. Year Completed estimated (2006-2007). ICD estimated from Google Maps linework. | 
| 
                Natick,
                MA Middlesex Co. United States  | 
            
                Natick Mall Rd. / Nouvelle Way / (parking lots/garage) (42.30232, -71.38495)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 35.3330  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2007 | Fifth leg added 2017-2018. ICD estimated from Google Maps linework. 21442 | 
| 
                Natick,
                MA Middlesex Co. United States  | 
            
                Natick Mall Rd. / (parking lots) (42.30191, -71.38212)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.7334  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2018-2019). ICD estimated from Google Maps linework. | 
| 
                Medford,
                MA Middlesex Co. United States  | 
            
                Winthrop St. / High St. / Rural Ave. (42.42129, -71.11800)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 32.0040  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Painted splitter islands. Right-turn-only lanes on southwest and south legs. Converted from traffic circle in 2018-2019. | 
| 
                Waltham,
                MA Middlesex Co. United States  | 
            
                Beaver St. / Lyman St.  (42.38402, -71.23042)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 2 Driveways 51.8160  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | Unknown date of origin as traffic circle. Converted to roundabout 2015-2016. | 
| 
                Melrose,
                MA Middlesex Co. United States  | 
            
                Green St.  / Howard S. (42.46562, -71.05908)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 24.3840  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Replaced stop-controlled triangle set of intersections. | 
| 
                Watertown,
                MA Middlesex Co. United States  | 
            
                Common St. / Orchard St. / Church St. (42.37243, -71.17858)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 33.5277  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | |
| 
                Belmont,
                MA Middlesex Co. United States  | 
            
                Prospect St / Clifton St (42.40403, -71.17635)  | 
            
                Traffic Calming Circle Existing  | 
            
                Other None  | 
            
                3 Approaches 0 Driveways 24.3840  | 
            
                Other (At-Grade) Single-Lane  |   
            two yield-controlled, one stop-controlled approaches | |
| 
                Ashland,
                MA Middlesex Co. United States  | 
            
                Pond St. / Spyglass Hill Dr. / (parking) (42.24026, -71.43205)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | Utility pole within central island on inner edge of truck apron. | 
| 
                Sherborn,
                MA Middlesex Co. United States  | 
            
                Washington St. / Sanger St. / Maple St. (42.24060, -71.37120)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                4 Approaches 0 Driveways 30.4800  | 
            
                Other (At-Grade) Single-Lane  |   
            2024 | https://www.youtube.com/watch?v=7B6zWOWi74o. | 
| 
                Lexington,
                MA Middlesex Co. United States  | 
            
                Bedford St. / Harrington Rd. / Hancock St. (42.45014, -71.23048)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | Replaced a triangle of two-way stop intersections. https://www.lexingtonma.gov/235/Battle-Green-Streetscape-Project Video of completed roundabout: https://www.youtube.com/watch?v=dcF64ln0mjo | 
| 
                Framingham,
                MA Middlesex Co. United States  | 
            
                Concord St. / Union Ave. (42.27911, -71.41673)  | 
            
                Roundabout Removed  | 
            
                Signal Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2016 | Traffic circle was originally completed at some point between 2002 and 2003. Removed in 2016. | 
| 
                Hudson,
                MA Middlesex Co. United States  | 
            
                Highland Commons E / (parking) (42.39465, -71.59473)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | |
| 
                Burlington,
                MA Middlesex Co. United States  | 
            
                3rd Ave. / 2nd Ave. (42.48742, -71.22479)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 24.3840  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Year Completed estimated (2010-2013). | 
| 
                Woburn,
                MA Middlesex Co. United States  | 
            
                Main St. / Common St. / Winn St. / Pleasant St. (42.47953, -71.15234)  | 
            
                Other Existing  | 
            
                Signal Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            Triangular shaped. City common in center island with crosswalks leading to it and walking paths within central island. | |
| 
                Westford,
                MA Middlesex Co. United States  | 
            
                Russells Way (42.64453, -71.42699)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Westford,
                MA Middlesex Co. United States  | 
            
                Russells Way (42.63407, -71.43101)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Tewksbury,
                MA Middlesex Co. United States  | 
            
                Jills Way / Jills Way (42.62204, -71.18720)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                London,
                ON Middlesex County Canada  | 
            
                Lambton Dr. / Oxford Dr. (43.00616, -81.27515)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                5 Approaches 0 Driveways 38.4291  | 
            
                Other (At-Grade) Single-Lane  |   
            Constructed sometime in the 1970s. Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Sanford,
                MI Midland Co. United States  | 
            
                N Meridian Rd. / US 10 WB Ramps (43.68557, -84.36787)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 40.5924  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Midland,
                MI Midland Co. United States  | 
            
                Business US 10 WB / E Patrick Rd. / E Lyon Rd. (43.61168, -84.21498)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                2 Approaches 0 Driveways 43.2366  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | ICD estimated from Google Maps linework. | 
| 
                Midland,
                TX Midland Co. United States  | 
            
                Tradewinds Blvd. / Anetta Dr. (31.96937, -102.14896)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 62.4840  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2020 | https://www.newswest9.com/article/traffic/city-of-midland-provides-tips-for-driving-on-new-roundabout/513-3c4f3167-cc6f-420a-aeda-ea76f40581cc | 
| 
                Midland,
                MI Midland Co. United States  | 
            
                E Freeland Rd. / S Sasse Rd. (43.52518, -84.22937)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2021 | Rural, high-speed approaches. | 
| 
                MIdland,
                TX Midland Co. United States  | 
            
                N Garfield St. / W Cuthbert Ave. (32.00234, -102.10148)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 57.9120  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2025 | Elliptical shaped. ICD = 190 ft x 150 ft. https://www.instagram.com/reel/DKK8XzFS0uo/ | 
| 
                Midland,
                MI Midland Co. United States  | 
            
                N Waldo Rd. / E Monroe Rd. (43.68353, -84.18736)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | Opened September 1, 2023. https://www.ourmidland.com/news/article/waldo-monroe-roundabout-open-traffic-sept-1-18308702.php | 
| 
                Midland,
                TX Midland County United States  | 
            
                Thomason Dr. / W Illinois Ave. / Beal Pkwy. (31.98180, -102.14644)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.8160  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2022 | |
| 
                Midland,
                TX Midland County United States  | 
            
                Earhart Dr. / Enterprise Ln. (31.93066, -102.21059)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | Year Completed estimated (2017-2018). | 
| 
                Dalkeith,
                Scotland Midlothian United Kingdom  | 
            
                A6094 (Musselburgh Rd. - Salters Rd.) / B6414 (Salters Rd.) (55.89700, -3.05466)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Dalkeith,
                Scotland Midlothian United Kingdom  | 
            
                A6106 (Lauder Rd.) / (unknown) (55.88848, -3.04612)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Dalkeith,
                Scotland Midlothian United Kingdom  | 
            
                A6094 (Eskbank Rd. - Bonnyrigg Rd.) / B6392 (Melville Rd. - Dalhousie Rd.) / A768 (Lasswade Rd.) / B703 (Newbattle Rd.) (55.88853, -3.08053)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                6 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Lasswade,
                Scotland Midlothian United Kingdom  | 
            
                A772 (Gilmerton Rd.) / A720 (The City Of Edinburgh Bypass) WB On-Ramp  (55.89821, -3.11191)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            ||
| 
                Lasswade,
                Scotland Midlothian United Kingdom  | 
            
                Gilmerton Road Roundabout [A7 (Borders) / A772 (Gilmerton Rd.) / B6392 (Gilmerton Rd.)] (55.89554, -3.09550)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Lasswade,
                Scotland Midlothian United Kingdom  | 
            
                A772 (Gilmerton Rd.) / (entrance to Dobbies Garden Centre) (55.89655, -3.09863)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Dalkeith,
                Scotland Midlothian United Kingdom  | 
            
                Melville Dykes Road Roundabout [A7 (Borders) / A768 (Melville Dykes Rd. - Lasswade Rd.)] (55.88844, -3.09395)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Dalkeith,
                Scotland Midlothian United Kingdom  | 
            
                Eskbank Road Roundabout [A7 (Borders) / A6094 (Eskbank Rd. - Bonnyrigg Rd.) / (parking)] (55.88239, -3.08914)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Straiton,
                Scotland Midlothian United Kingdom  | 
            
                A701 (Straiton Rd.) / B702 (Loanhead Rd.) (55.88857, -3.16303)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Raindrop shaped. | |
| 
                Milton Bridge,
                Scotland Midlothian United Kingdom  | 
            
                Gowkley Moss Roundabout [A701 / B7003 (Penicuik Rd.) / Bush Loan Rd.] (55.85784, -3.18553)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            ||
| 
                Dalkeith,
                Scotland Midlothian United Kingdom  | 
            
                A6106 (Millerhill Rd.) / B6415 (55.91186, -3.09135)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Gulgong,
                New South Wales Mid-Western Regional Australia  | 
            
                B55 (Fisher St.) / Goolma Rd. / Mayne St. (-32.36546, 149.52598)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Miguel Hidalgo,
                Mexico City Miguel Hidalgo Mexico  | 
            
                Calle Campos Elíseos / Calle Polanco / Calle Schiller (19.43015, -99.18634)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Unknown  |   
            Pedestrian access to central island. | |
| 
                Miguel Hidalgo,
                Mexico City Miguel Hidalgo Mexico  | 
            
                Calle Rubén Darío / Calle Campos Elíseos (19.42984, -99.18267)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Unknown  |   
            Pedestrian access in central island. | |
| 
                Miguel Hidalgo,
                Mexico City Miguel Hidalgo Mexico  | 
            
                Calle Campos Elíseos / Calle Lamartine (19.42932, -99.18981)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Miguel Hidalgo,
                Mexico City Miguel Hidalgo Mexico  | 
            
                Calle Campos Elíseos / (unknown) (19.42799, -99.19352)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Mikhaylovka,
                Primorye Mikhaylovsky District Russia  | 
            
                AH30 / Leninskaya ulitsa (43.92603, 131.99993)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Mikkeli,
                Southern Savonia Mikkeli Finland  | 
            
                Pursialankatu / Vilhonkatu / Valtatie 5 (Viitostie) SB Ramps (61.68556, 27.27993)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            ||
| 
                Mikkeli,
                Southern Savonia Mikkeli Finland  | 
            
                Kuopiontie / Valtatie 5 (Viitostie) SB Ramps (61.70272, 27.31913)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            ||
| 
                Mikkeli,
                Southern Savonia Mikkeli Finland  | 
            
                Kuopiontie / Salosaarentie / Valtatie 5 (Viitostie) NB Ramps (61.70171, 27.32340)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Unknown  |   
            ||
| 
                Mikołów,
                Śląskie Mikołowski Poland  | 
            
                Karola Miarki / Konstantego Prusa  (50.17184, 18.89944)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Mikołów,
                Śląskie Mikołowski Poland  | 
            
                Konstantego Prusa / Kolejowa (50.17206, 18.90118)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Mildura,
                Victoria Mildura Australia  | 
            
                Benetook Ave. / Sixteenth St. (-34.22766, 142.14067)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Mildura,
                Victoria Mildura Australia  | 
            
                A20 (Sturt Hwy - Seventh St.) / C255 (Seventh St.) / San Mateo Ave. (-34.18779, 142.16949)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Mildura,
                Victoria Mildura Australia  | 
            
                San Mateo Ave. / Eighth St. (-34.18921, 142.16774)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Mildura,
                Victoria Mildura Australia  | 
            
                San Mateo Ave. / Ninth St. (-34.19072, 142.16587)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Red Cliffs,
                Victoria Mildura Australia  | 
            
                Indi Ave. / Ilex St. (-34.30708, 142.18804)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Princeton,
                MN Mille Lacs Co. United States  | 
            
                STH 95 / 21st Ave. N (CR 39) (45.57682, -93.60428)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 1 Driveways 44.3066  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Princeton,
                MN Mille Lacs Co. United States  | 
            
                TH 95 / CSAH 29 (Rum River Dr.) (45.57405, -93.58005)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.2927  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Right-turn-only lanes on all four approaches. ICD estimated from Google Maps linework. | 
| 
                Princeton,
                MN Mille Lacs Co. United States  | 
            
                12th St. N / 7th Ave. N (45.58429, -93.58343)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2024 | |
| 
                Lake Ozark,
                MO Miller Co. United States  | 
            
                Bagnell Dam Blvd. (US 54 Business) / Wilmore Ln. (38.21266, -92.62304)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.8160  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2020 | Left-turn-only lane on north leg. Yield-controlled right-turn bypass on south and east legs. https://www.krmsradio.com/construction-continues-on-new-54-biz-54-w-interchange-into-the-winter/ | 
| 
                Lake Ozark,
                MO Miller Co. United States  | 
            
                Wilmore Ln. / US 54 WB Ramps (38.21456, -92.62052)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 44.1960  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2021 | |
| 
                Lakeland,
                MO Miller Co. United States  | 
            
                US 54 Business / N Shore Dr. (38.21423, -92.62436)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 15.0142  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2014 | date from streetview (Jan '14 - no roundabout; Sept '14 - roundabout) ICD estimated from Google Maps linework. |