| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Elkton,
                MD Cecil Co. United States  | 
            
                MD 281 (Red Hill Rd.) / Muddy Ln. / Kemp Ln. (39.61811, -75.79733)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 37.7202  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2017-2018) (streetview). ICD estimated from Google Maps linework. | 
| 
                Gatineau,
                QC Gatineau Canada  | 
            
                Boulevard du Plateau / Rue de l'Atmosphère (45.43401, -75.79581)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | |
| 
                Aiken's Tavern Historic District,
                MD Cecil Co. United States  | 
            
                Pebble Beach Dr. / Spyglass Dr. (39.61664, -75.79074)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            Parking in circulatory roadway. | |
| 
                Federalsburg,
                MD Caroline Co. United States  | 
            
                MD 307 / MD 313 / MD 318 (38.68938, -75.78949)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.4247  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Rural, installed for safety reasons Previously controlled by two-way stop ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON Ottawa Canada  | 
            
                CitiGate Dr. / CrossKeys Pl. (45.26981, -75.78722)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | |
| 
                Oley Township,
                PA Berks Co. United States  | 
            
                W Philadelphia Ave. (SR 73) / Memorial Hwy. (SR 662) / Lynx Dr. (40.38294, -75.78388)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.9391  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | https://www.pottsmerc.com/news/new-roundabout-opens-at-intersection-of-routes-and-in-oley/article_00e9f716-c345-11e9-9e3c-9b57da8ea891.html ICD estimated from Google Maps linework. | 
| 
                Downingtown,
                PA Chester Co. United States  | 
            
                Applecross Blvd. / Prizer Ct. / Hallman Ct. (40.03610, -75.78262)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Downingtown,
                PA Chester Co. United States  | 
            
                Applecross Blvd. / Bolero Dr. (40.03412, -75.77800)  | 
            
                Other Existing  | 
            
                One-Way/Two-Way Stop Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Ottawa,
                ON Ottawa Canada  | 
            
                Cedarview Rd. / Jockvale Rd. (45.27494, -75.77762)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.3732  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | ICD estimated from Google Maps linework. | 
| 
                Factoryville,
                PA Lackawanna Co. United States  | 
            
                College Ave. / Edwards Ln. / College Rd. (41.55944, -75.77607)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | https://www.wnep.com/article/news/local/lackawanna-county/road-construction-cleared-new-roundabout-open-at-keystone-college/523-04e02cdc-f45b-45c6-a5af-e737fc92f379 | 
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Jockvale Rd. / Fable St. / Weybridge Dr. (45.27378, -75.76441)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Active Pedestrian Warning (flashing yellow)  | 
            
                4 Approaches 0 Driveways 32.7784  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Functional Class: Major Collector ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Jockvale Rd. / Exeter Dr. / Tartan Dr. (45.27044, -75.75439)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.9398  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Met warrants for signals. Functional Class: Major Collector ICD estimated from Google Maps linework. | 
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Churchtown Rd. / Choptank Rd. (39.50377, -75.74957)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.6457  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Year Completed estimated (2008-2009). ICD estimated from Google Maps linework. | 
| 
                Eden,
                MD Wicomico Co. United States  | 
            
                Rivermere Dr. (38.30576, -75.74862)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Bethel Church Rd. / Choptank Rd. (39.52188, -75.74826)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.4023  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                West Bradford Township,
                PA Chester Co. United States  | 
            
                Strasburg Rd. / Stargazer Rd. / Romansville Rd. / Shadyside Rd. (39.95351, -75.74518)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 58.5940  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2018 | Year Completed estimated (2016-2019). ICD estimated from Google Maps linework. | 
| 
                Lenox,
                NY Madison Co. United States  | 
            
                Rte 31 (Lake Rd.) / Rte 13 (N Peterboro St.) (43.15604, -75.74407)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 28.7514  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Avondale,
                PA Chester Co. United States  | 
            
                Brittany Circle (39.80609, -75.74373)  | 
            
                Other Existing  | 
            
                All-Way Stop Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Bunker Hill Rd. / Choptank Rd. (39.45790, -75.74350)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 31.3525  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Rural, redesigned in 2008 to better accommodate trucks and farm equipment. ICD estimated from Google Maps linework. | 
| 
                Bear,
                DE New Castle Co. United States  | 
            
                Primrose Dr. (39.56431, -75.74240)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Bear,
                DE New Castle Co. United States  | 
            
                Denny Rd. / Lexington Pkwy. / Airdrie Dr. (39.57173, -75.74234)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 27.4320  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2024 | Year Completed estimated (2023-2024). | 
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Berrigan Dr. / Longfields Dr. (45.27827, -75.74160)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.0526  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Functional Class: Major Collector ICD estimated from Google Maps linework. | 
| 
                Gatineau,
                QC Outaouais Region Canada  | 
            
                Blvd. St.-Laurent / Rue Labelle (45.43235, -75.74150)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 31.0105  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2004 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Ica,
                Ica Province of Ica Peru  | 
            
                Panamericana S / Av. Jose Matias Manzanilla (-14.06654, -75.74013)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            ||
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Spring Arbor Dr. / Trellis Ln. (39.45194, -75.73915)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Avoca Borough,
                PA Luzerne Co. United States  | 
            
                SR 315 / I-81 SB Ramps (41.33392, -75.73889)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 65.5320  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)  |   
            2016 | |
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                St Annes Church Rd. / Levels Rd. (39.42842, -75.73887)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 35.9783  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Intersection was relocated when converted to roundabout. ICD estimated from Google Maps linework. | 
| 
                Ica,
                Ica Province of Ica Peru  | 
            
                Ovalo Ayabaca (-14.07205, -75.73834)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Pedestrian access to central island.. | |
| 
                Gatineau,
                QC Gatineau Canada  | 
            
                Boulevard St-Joseph / Rue Jean-Proulx (45.46723, -75.73824)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.0682  | 
            
                Other (At-Grade) Multilane (3+ Lane)  |   
            2013 | https://ici.radio-canada.ca/nouvelle/603005/carrefour-giratoire-st-joseph-jean-proulx-gatineau ICD estimated from Google Maps linework. | 
| 
                Avoca Borough,
                PA Luzerne Co. United States  | 
            
                William St. / I-81 SB Ramps (41.33570, -75.73790)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 50.2188  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON Ottawa Canada  | 
            
                Greenbank Rd. / Half Moon Bay Rd. (45.25555, -75.73742)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2022 | Year Completed estimated (2021-2023). | 
| 
                Ottawa,
                ON Ottawa Canada  | 
            
                Dundonald Dr. / River Mist Rd. (45.24476, -75.73632)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 31.1134  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Gatineau,
                QC Outaouais Region Canada  | 
            
                Blvd. St.-Laurent / Rue Demontigny (45.43223, -75.73618)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Pedestrian Signal (red-yellow-green to drivers)  | 
            
                4 Approaches 0 Driveways 31.0105  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2004 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Cambrian Rd. / Greenbank Rd. (45.25322, -75.73580)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.9942  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Avoca Borough,
                PA Luzerne Co. United States  | 
            
                SR 315 / I-81 NB Ramps / Navy Way Rd. (41.33429, -75.73450)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 56.4971  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2015 | Fifth leg is departure only to I-81 NB on-ramp. ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON Ottawa Canada  | 
            
                Longfields Dr. / Beatrice Dr. / Mountshannon Dr. (45.28857, -75.73400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.0479  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | ICD estimated from Google Maps linework. | 
| 
                Gatineau,
                QC Outaouais Region Canada  | 
            
                Blvd. St.-Laurent / Blvd. St.-Joseph (Rte. 105) (45.43216, -75.73323)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Pedestrian Signal (red-yellow-green to drivers)  | 
            
                4 Approaches 0 Driveways 49.4493  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2004 | Staggered, two-stage pedestrian signal on east leg. Warning beacons on other legs. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Gatineau,
                QC Outaouais Region Canada  | 
            
                Blvd. St.-Joseph (Rte. 105) / Rue Montcalm (45.43146, -75.73314)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Pedestrian Signal (red-yellow-green to drivers)  | 
            
                3 Approaches 0 Driveways 23.4678  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Opened December 9, 2003. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                S Ridge Ave / Private Driveway (39.44821, -75.73234)  | 
            
                Roundabout Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 40.5794  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Newark,
                DE New Castle Co. United States  | 
            
                George Williams Way / La Grange Ave. (39.60517, -75.72939)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.8071  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Bayview Rd. / Slidell St. / Burnside Ave. (45.40958, -75.72880)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 33.5384  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Longfields Dr. / Cambrian Rd. / Golflinks Dr. (45.25633, -75.72810)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 50.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2013 | Yield-controlled right-turn bypass lane on north leg. | 
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                St Annes Church Rd. / Wiggins Mill Rd. (39.42541, -75.72769)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.1348  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Previous intersection was relocated when converted to roundabout. ICD estimated from Google Maps linework. | 
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                (Summit Bridge Rd. connector) / US 301 SB Ramps (39.48446, -75.72248)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 35.0276  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2019 | Raindrop shape. ICD estimated from Google Maps linework. | 
| 
                Unionville,
                PA Chester Co. United States  | 
            
                Rte. 82 (Doe Run Rd.) / Unionville Rd. (39.89142, -75.72215)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 27.4909  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                (Summit Bridge Rd. connector) / US 301 NB Ramps (39.48404, -75.72131)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.1060  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2018 | Raindrop shape. ICD estimated from Google Maps linework. | 
| 
                Bear,
                DE New Castle Co. United States  | 
            
                Howell School Rd. / Robert C Peoples Blvd. (39.57198, -75.72068)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.7453  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2016-2019). ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Ruskin St. / Melrose Ave. / Reid Ave. / Laurentian Pl. (45.39478, -75.71996)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways 31.0311  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON Ottawa Canada  | 
            
                Longfields Dr. / Golflinks Dr. / Stanhope Ct. (45.25079, -75.71990)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | |
| 
                Downingtown,
                PA Chester Co. United States  | 
            
                Downing Forge Way / Milltown Trl. (40.01658, -75.71562)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Bill Leathem Dr. / Longfields Dr. (45.29652, -75.71490)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.4456  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Functional Class: Major Collector ICD estimated from Google Maps linework. | 
| 
                Kennett Square,
                PA Chester Co. United States  | 
            
                Newlin Green Circle (39.90274, -75.71369)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                5 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                The Legends,
                DE New Castle Co. United States  | 
            
                West Wittington Circle (39.46705, -75.71358)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            Pedestrian facility in central island. | |
| 
                Ottawa,
                ON Ottawa Canada  | 
            
                Barnsdale Rd. / Prince of Wales Dr. (45.24093, -75.71220)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | Year Completed estimated (2020-2022). | 
| 
                The Legends,
                DE New Castle Co. United States  | 
            
                Wittington Way / Casper Way / Sheehan Dr. (39.46536, -75.70967)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            Pedestrian facility in central island. | |
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Cresthaven Dr. / Fairpark Dr. / Timberline Private (45.27486, -75.70937)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 48.7465  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Minimal splitter islands. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON Ottawa Canada  | 
            
                Barnstone Dr. / Cresthaven Dr. (45.27323, -75.70859)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 28.5764  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Cresthaven Dr. / Waterbridge Dr. (45.28097, -75.70818)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 43.6990  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Minimal splitter islands. ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Prince of Wales Dr. / National Capital Com Driveway (45.39028, -75.70744)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 40.2598  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2011 | Converted old circle. ICD estimated from Google Maps linework. | 
| 
                (unincorporated),
                VA Accomack Co. United States  | 
            
                Rte 316 / Rte 13 Bus. / Rte. 126 (37.70896, -75.70512)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.4011  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                W Middlepark Dr. / Idlewyld Dr. (39.47243, -75.70326)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Marl Pit Rd. / Cedar Lane Rd. (39.47762, -75.70312)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | https://www.middletowntranscript.com/story/news/2020/07/13/deldot-hopes-new-marl-pit-cedar-lane-roundabout-will-help-with-traffic/112217478/ | 
| 
                Townsend,
                DE New Castle Co. United States  | 
            
                Karins Circle (39.40433, -75.69677)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Princess Anne,
                MD Somerset Co. United States  | 
            
                MD 822 (UMES Blvd.-Hickory Rd.) / MD 675 (Somerset Ave.) (38.21930, -75.69592)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.4712  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | https://www.delmarvanow.com/story/news/local/maryland/2014/11/24/roundabout-umes-boulevard/70053440/ ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON Ottawa Canada  | 
            
                King Edward Ave. / Union St. (45.43738, -75.69400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 20.9512  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Sussex Dr. / Rideau Gate (45.44456, -75.69254)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 24.3003  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Brick Mill Circle (39.46632, -75.69145)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 9 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Princess Ave. / Rockcliffe Pkwy. (45.44599, -75.68909)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.4647  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Kennett Square,
                PA Chester Co. United States  | 
            
                Victoria Gardens Dr. / Rose Tree Ln. / Arbor Ln. (39.85731, -75.68897)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            No splitter islands on two legs. | |
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Brick Mill Rd. / Dove Run Centre Dr. (39.45413, -75.68672)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.3840  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2022 | |
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Brookfield Rd. / Flannery Dr. (45.37364, -75.68420)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.7886  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | Functional Class: Major Collector ICD estimated from Google Maps linework. | 
| 
                Meridian Crossing,
                DE New Castle Co. United States  | 
            
                Meridian Blvd. / Observatory Dr. (39.61278, -75.68398)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            No splitter island on west leg. | |
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Gloucester Blvd. / Hampton Rd. (39.45210, -75.68096)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0439  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Jamison Corner Rd. / US 301 SB Ramps (39.52516, -75.67982)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.0859  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2018 | https://www.youtube.com/watch?v=EAI_NlUZRbU ICD estimated from Google Maps linework. | 
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Jamison Corner Rd. / US 301 NB Ramps (39.52313, -75.67956)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 40.5357  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Jamison Corner Rd. / Hyatt's Corner Rd. (39.52718, -75.67941)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.3758  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Year Completed estimated (2011-2015). ICD estimated from Google Maps linework. | 
| 
                Meridian Crossing,
                DE New Castle Co. United States  | 
            
                Meridian Blvd. / Time Cir. / Sun Blvd. (39.61548, -75.67914)  | 
            
                Other Existing  | 
            
                One-Way/Two-Way Stop Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Manteo,
                NC Dare Co. United States  | 
            
                SR 1128 (Sir Walter Raleigh St.) / SR 1130 (Bideford St.) (35.90418, -75.67849)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.3840  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Painted splitter islands. | 
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Jamison Corner Rd. / Lornwood Grove Rd. (39.53013, -75.67821)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 40.5316  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Year Completed estimated (2011-2015). ICD estimated from Google Maps linework. | 
| 
                Village of Bayberry North,
                DE New Castle Co. United States  | 
            
                S Bayberry Pkwy. / Lord Byron Dr. / W Central Park Dr. (39.49989, -75.67806)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Bear,
                DE New Castle Co. United States  | 
            
                Rockwood Rd. / Gregory Dr. (39.62152, -75.67763)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Year Completed estimated (1992-2002). | 
| 
                Breinigsville,
                PA Lehigh Co. United States  | 
            
                US 222 (Hamilton Blvd. - Kutztown Rd.) / Schantz Rd. / Farmington Rd. (40.54440, -75.67207)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 57.9120  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2023 | Oval shaped. ICD = 190 ft x 180 ft. | 
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Kilborn Ave. / Lamira St. (45.38604, -75.67085)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.5195  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Kill Devil Hills,
                NC Dare Co. United States  | 
            
                Veterans Dr. / (high school) (36.00637, -75.66875)  | 
            
                Other Existing  | 
            
                Uncontrolled None  | 
            
                3 Approaches 0 Driveways 45.4086  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Built for new high school. ICD estimated from Google Maps linework. | 
| 
                Village of Bayberry North,
                DE New Castle Co. United States  | 
            
                S Bayberry Pkwy. / Stravinsky Ave. (39.49978, -75.66823)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands on west, south, or east legs. | |
| 
                Bear,
                DE New Castle Co. United States  | 
            
                Carvel Ln. / Calvarese Dr. / Quintilio Dr. (39.63313, -75.66784)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 76.2000  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Year Completed estimated (2002-2005). | 
| 
                Kill Devil Hills,
                NC Dare Co. United States  | 
            
                Veterans Dr. / 6th Ave. (36.00818, -75.66412)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Built for new high school. | 
| 
                Village of Bayberry North,
                DE New Castle Co. United States  | 
            
                Barrymore Pkwy. / Stravinsky Ave. (39.49421, -75.66228)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands on north and south legs. | |
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Crossland Blvd. / Parker Dr. / Ann Dr. (39.53984, -75.66159)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            No splitter islands on two legs. | |
| 
                Pocopscon Township,
                PA Chester Co. United States  | 
            
                Lenape Rd. / Unionville Rd. (39.89900, -75.65950)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.3155  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | Previously controlled by two-way stop ICD estimated from Google Maps linework. | 
| 
                Kemptville,
                ON United Counties of Leeds and Grenville Canada  | 
            
                CR 43 / Pinehill Rd. (45.01836, -75.65872)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 32.0814  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Townsend,
                DE New Castle Co. United States  | 
            
                Robinson Rd. / Goldsborough Dr. (39.41614, -75.65156)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands on three legs. | |
| 
                Townsend,
                DE New Castle Co. United States  | 
            
                Tony Marchio Dr. / Campus Dr. / Stadium Way (39.43676, -75.64873)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 53.3400  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2014 | Concentric striping on circulatory roadway. Right-turn-only arrows in all lanes of three entries. Year Completed estimated (2011-2015). | 
| 
                Salisbury,
                MD Wicomico Co. United States  | 
            
                Clocktower Circle (38.35831, -75.63787)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Kemptville,
                ON United Counties of Leeds and Grenville Canada  | 
            
                CR 43 / Rideau River Rd. (45.02990, -75.63668)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Year Completed estimated (before 2004). ICD estimated from Google Maps linework. | 
| 
                Townsend,
                DE New Castle Co. United States  | 
            
                N Odessa Blvd. / Tweedsmere Dr. / Aviemore Dr. / Ravenglass Dr. (39.41965, -75.63644)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Townsend,
                DE New Castle Co. United States  | 
            
                Glen Mohr Dr. / Perthshire Dr. / S Odessa Blvd. (39.40908, -75.63633)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Kemptville,
                ON United Counties of Leeds and Grenville Canada  | 
            
                CR 43 / (Colonnade entrance) (45.03069, -75.63316)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 43.0473  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Middletown,
                DE New Castle Co. United States  | 
            
                Neverland Dr. / Whitebird Dr. / Carrick Ct. (39.47819, -75.63221)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands. | |
| 
                Ottawa,
                ON City of Ottawa Canada  | 
            
                Beaulieu Pl. / Villeneuve Private (45.42574, -75.62828)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 20.1173  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Functional Class: Local ICD estimated from Google Maps linework. |