| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                S Midland Blvd. / Iowa Ave. (43.55439, -116.59279)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2024 | https://www.facebook.com/cityofnampa.us/posts/-exciting-safety-news-for-our-community-were-happy-to-announce-the-installation-/900763452095945/ | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                Cherry Ln. / N Idaho Center Rd. / N Can Ada Rd. (43.61960, -116.51332)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            2023 | https://www.facebook.com/cityofnampa.us/posts/pfbid01GwhiVMxbiDrKP67dQPCeqSCxBAPfqshgLEvruyRWwiVFBPnSGJoAT37JMNEn2NUl | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                Airport Rd. / N Robinson Blvd. (43.58690, -116.49334)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 48.7680  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | |
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                N Franklin Blvd. / Birch Ln. (43.61231, -116.55315)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2023 | https://twitter.com/NampaPIO/status/1654208519175045120 | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                E Victory Rd. / N Kings Rd. (43.57584, -116.53288)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 48.7680  | 
            
                Other (At-Grade) Single-Lane  |   
            2022 | https://twitter.com/NampaPIO/status/1606348916282101760 | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                Ustick Rd. / Santa Ana Ave. (43.63404, -116.60317)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                4 Approaches 0 Driveways 44.1960  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2022 | Near two schools. | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                Star Rd. / Cherry Ln. (43.61969, -116.49366)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2021 | Merging right-turn bypass lanes on all legs. | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                E Locust Ln. / S Robinson Rd. (43.53215, -116.49353)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2025 | https://nampahighway1.com/project/robinson-locust-roundabout/ | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                N Franklin Blvd. / E Karcher Rd. (43.60506, -116.55342)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                4 Approaches 0 Driveways 54.8640  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2025 | https://www.facebook.com/cityofnampa.us/videos/now-open-the-intersection-of-franklin-blvd-karcher-rd-reopened-this-morning-to-v/1716080395969702/ | 
| 
                Nanaimo,
                BC Nanaimo Canada  | 
            
                Mary Ellen Dr. / (parking) (49.23879, -124.05474)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | https://nanaimonewsnow.com/2023/04/16/new-mary-ellen-dr-roundabout-substantially-complete/ | 
| 
                Nanaimo,
                BC Nanaimo Canada  | 
            
                Dewar Rd. / Norton Rd. (49.23074, -123.99592)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 33.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | North leg added 2014. Yield control added to east and west legs 2017; previously uncontrolled. | 
| 
                Nanaimo,
                BC Nanaimo Canada  | 
            
                Labieux Rd. / Kenworth Rd. (49.20171, -123.99714)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 40.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Year Completed estimated (2017-2021). | 
| 
                Nanaimo,
                BC Nanaimo Canada  | 
            
                Rutherford Rd. / Nelson Rd. / Linley Valley Dr. (49.22623, -124.02218)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 36.6593  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | ICD estimated from Google Maps linework. | 
| 
                Nanaimo,
                BC Nanaimo Canada  | 
            
                Linley Valley Dr. / Turner Rd. (49.22602, -124.03313)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 29.6396  | 
            
                Other (At-Grade) Single-Lane  |   
            2014 | ICD estimated from Google Maps linework. | 
| 
                Nanaimo,
                BC Nanaimo Canada  | 
            
                Boxwood Rd. / Dufferin Crescent (49.18286, -123.98541)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 2 Driveways 34.3494  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | One approach and two driveways stubbed out. Year Completed estimated (2010-2012). ICD estimated from Google Maps linework. | 
| 
                Nanango,
                Queensland South Burnett Australia  | 
            
                SR 96 (Drayton St.) / Fitzroy St. (-26.67090, 152.00007)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Nan'gang District,
                Heilongjiang Harbin China  | 
            
                Wenming St. / Wenchang St. / Wenfu St. (45.74389, 126.65536)  | 
            
                Signalized Roundabout/Circle Existing  | 
            
                Signal Unknown  | 
            
                5 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (3+ Lane)  |   
            ||
| 
                Nan-t’ou,
                Taiwan Nantou County Taiwan  | 
            
                Provincial Hwy 14B (Zhongzheng Rd. - Shengfu Rd.) / Hushan Rd. (23.95687, 120.68603)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Nantes,
                Pays de la Loire Loire-Atlantique France  | 
            
                Boulevard du Massacre / Rue Louis le Nain (47.22685, -1.60065)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 17.0324  | 
            
                Other (At-Grade) Single-Lane  |   
            Part of double roundabout. ICD estimated from Google Maps linework. | |
| 
                Nantes,
                QC Le Granit Regional County Municipality Canada  | 
            
                Rue Laval / Chemin De Marsboro / Rte 263 (45.60169, -70.92676)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.7665  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Year Completed estimated (2004-2013). ICD estimated from Google Maps linework. | 
| 
                Nantes,
                Pays de la Loire Loire-Atlantique France  | 
            
                Rond-Point Abel Durand (47.22116, -1.60306)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                6 Approaches 0 Driveways 94.0937  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Nantes,
                Pays de la Loire Loire-Atlantique France  | 
            
                Place Général Mellinet (47.21135, -1.57636)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                8 Approaches 0 Driveways 74.6398  | 
            
                Other (At-Grade) Unknown  |   
            Pedestrian access to central island. ICD estimated from Google Maps linework. | |
| 
                Nantes,
                Pays de la Loire Loire-Atlantique France  | 
            
                Place Canclaux (47.21442, -1.57450)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                5 Approaches 0 Driveways 68.1455  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Nantes,
                Loire Region Loire-Atlantique France  | 
            
                D417 / Rond-Point de la Janvraie / E3 WB Ramps / (parking) (47.19901, -1.61525)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 38.9516  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Nantes,
                Loire Region Loire-Atlantique France  | 
            
                Boulevard du Bâtonnier Cholet / Rue de la Fontaine Salee (47.20064, -1.61369)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 39.7618  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Nantes,
                Loire Region Loire-Atlantique France  | 
            
                Square Elsa Mercoeur (47.21442, -1.55013)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 38.9403  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Nantes,
                Loire Region Loire-Atlantique France  | 
            
                Cours John Kennedy / Avenue Carnot (47.21542, -1.54772)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                2 Approaches 0 Driveways 118.4411  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Nantes,
                Loire Region Loire-Atlantique France  | 
            
                Cours John Kennedy / Allee des Generaux Patton et Wood (47.21640, -1.54596)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 62.4643  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Nantes,
                Loire Region Loire-Atlantique France  | 
            
                Rond-Point de la Janvraie / Rue de la Janvraie (47.19719, -1.61727)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 58.4294  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Nantes,
                Loire Region Loire-Atlantique France  | 
            
                Boulevard du Massacre / Boulevard Pierre de Coubertin / Avenue du Parnasse (47.23173, -1.59240)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 29.1957  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Nanticoke,
                PA Luzerne Co. United States  | 
            
                Middle Rd at Espy St (41.19083, -75.98915)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 52.1279  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Nanticoke,
                PA Luzerne Co. United States  | 
            
                Middle Rd. / S Prospect St. (41.18895, -75.99415)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | https://m.citizensvoice.com/news/newest-roundabout-opens-in-nanticoke-1.2553512 | 
| 
                Nanticoke,
                PA Luzerne Co. United States  | 
            
                Middle Rd. / Kosciuszko St. (41.19181, -75.98546)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.8485  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Part of the South Valley Parkway project. https://www.penndot.gov/RegionalOffices/district-4/pages/details.aspx?newsid=475. ICD estimated from Google Maps linework. | 
| 
                Nantucket,
                MA Nantucket Co. United States  | 
            
                Main St. / Gully Rd. / Elbow Ln. (41.26197, -69.96497)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                3 Approaches 1 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            Angled parking and bus stop on circulatory roadway. No splitter islands on east and south legs. | |
| 
                Nantucket,
                MA Nantucket Co. United States  | 
            
                Milestone Rd / Old South / Sparks Ave / Orange St (41.27121, -70.08832)  | 
            
                Rotary Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.9296  | 
            
                Other (At-Grade) Single-Lane  |   
            Geometry and age suggests control was not always all-way yield ICD estimated from Google Maps linework. | |
| 
                Nantucket,
                MA Nantucket Co. United States  | 
            
                Sparks Ave / Hooper Farm Rd / Lower Pleasant St (41.27122, -70.09086)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.8272  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Napa,
                CA Napa Co. United States  | 
            
                1st St. / SR 29 NB Ramps (38.29884, -122.30117)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 31.8681  | 
            
                Freeway Ramps (Grade-Separated) Unknown  |   
            2020 | Completed April 2020. ICD estimated from Google Maps linework. | 
| 
                Napa,
                CA Napa Co. United States  | 
            
                1st St. / California Blvd. (38.29823, -122.30024)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 39.3668  | 
            
                Other (At-Grade) Unknown  |   
            2020 | Completed April 2020. ICD estimated from Google Maps linework. | 
| 
                Napa,
                CA Napa Co. United States  | 
            
                California Blvd. / 2nd St. (38.29732, -122.30025)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 31.8687  | 
            
                Other (At-Grade) Unknown  |   
            2020 | Completed April 2020. ICD estimated from Google Maps linework. | 
| 
                Napa,
                CA Napa Co. United States  | 
            
                Soscol Ferry Rd. / SR 221 / SR 12 EB Ramps (38.24117, -122.26975)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 47.2440  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)  |   
            2024 | https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/soscol-junction | 
| 
                Napa,
                CA Napa Co. United States  | 
            
                SR 221 (Napa Vallejo Hwy.) / SR 12 WB Entrance Ramp (38.24207, -122.26930)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 44.1960  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)  |   
            2024 | https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/soscol-junction | 
| 
                Napa,
                CA Napa Co. United States  | 
            
                RiverSound Way / Kaiser Rd. (38.25745, -122.27725)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2024 | |
| 
                Naperville,
                IL Will Co. United States  | 
            
                Honey Locust Dr. / 103rd St. (41.69412, -88.22994)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Year Completed estimated (2002-2005). | 
| 
                Napier,
                Hawke’s Bay Napier New Zealand  | 
            
                SH 51 (Georges Dr.) / Latham St. (-39.50316, 176.90861)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Napier,
                Hawke’s Bay Napier New Zealand  | 
            
                SH 2 (Hawkes Bay Expressway) / Watchman Rd. / Meeanee Quay (-39.47466, 176.87709)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Napier,
                Hawke’s Bay Napier New Zealand  | 
            
                Munroe St. / Station St. (-39.49322, 176.91426)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Napier,
                Hawke’s Bay Napier New Zealand  | 
            
                Munroe St. / Raffles St. (-39.49467, 176.91489)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Napier,
                Hawke’s Bay Napier New Zealand  | 
            
                Westminster Ave. / Wharerangi Rd. (-39.51638, 176.85906)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Napier,
                Hawke’s Bay Napier New Zealand  | 
            
                Avondale Rd. / Auckland Rd. (-39.52068, 176.85588)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Napier,
                Hawke’s Bay Napier New Zealand  | 
            
                Avondale Rd. / Knightsbridge Pl. / Osier Rd. (-39.52450, 176.85295)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Napier,
                Hawke’s Bay Napier New Zealand  | 
            
                Marine Parade / Tennyson St. (-39.48923, 176.91927)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Napier,
                Hawke’s Bay Napier New Zealand  | 
            
                SH 50 (Hyderabad Rd.) / Pandora Rd. (-39.49011, 176.89230)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Napier,
                Hawke’s Bay Napier New Zealand  | 
            
                SH 2 (Hawkes Bay Expy.) / SH 50 (Prebensen Dr.) (-39.49641, 176.87406)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Creekside Blvd. / Arthrex Blvd. / (parking) (26.26915, -81.79545)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0520  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2017-2018). | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                Creekside Blvd. / Innovation Dr. (Creekside St.) (26.26916, -81.79112)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | |
| 
                Naples,
                FL Collier Co. United States  | 
            
                7th St. N. / 7th Ave. N. (26.15619, -81.79971)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 22.5125  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Installed for traffic calming. Detailed traffic volume, speed data available. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                7th St. N. / 11th Ave. N. (26.15712, -81.79420)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 13.7160  | 
            
                Other (At-Grade) Single-Lane  |   
            1996 | Installed for traffic calming. Painted splitter islands. Detailed traffic volume, speed data available. ICD estimated from Google Earth. | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                7th St. N. / 12th Ave. N. (26.15734, -81.79282)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 13.7160  | 
            
                Other (At-Grade) Single-Lane  |   
            1996 | Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Earth. | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                8th St. S / 12th Ave. S (26.13267, -81.79491)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 18.2281  | 
            
                Other (At-Grade) Single-Lane  |   
            1996 | Installed for community enhancement. ICD estimated from Google Maps linework. | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                7th St. N. / 3rd Ave. N. (26.15530, -81.80524)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 9.6483  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Maps linework. | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                Central Ave. / 8th St. (26.14718, -81.79695)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 19.2979  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | Elliptical shape. ICD estimated from Google Maps linework. | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                Central Ave. / 10th St. (26.14752, -81.79419)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.8120  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | Elliptical shape. ICD estimated from Google Maps linework. | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                Marbella Lakes Dr. / Hermosa Way / Whippoorwill Ln. (26.19707, -81.74720)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | https://www.instagram.com/colliercountyfl/p/C042GnMslfu/?img_index=1 | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                3rd Ave. S / 10th St. S (26.14422, -81.79367)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.9080  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2017-2018). | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                3rd Ave. S / 8th St. S (26.14391, -81.79648)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.9080  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | Year Completed estimated (2019-2020). | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                Forest Glen Blvd. / (parking) (26.14593, -81.68155)  | 
            
                Other Existing  | 
            
                One-Way/Two-Way Stop Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Loblolly Bay Dr. / Bishopwood Ct. (26.14397, -81.67954)  | 
            
                Other Existing  | 
            
                All-Way Stop Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Tiburon Blvd. / Tiburon Dr. (26.24637, -81.76513)  | 
            
                Unknown Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 1 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Tiburon Dr. / (unknown) (26.24900, -81.76820)  | 
            
                Unknown Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Tiburon Blvd. E / Tiburon Dr. (26.25240, -81.76768)  | 
            
                Unknown Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Escada Dr. / Escada Ct. (26.25420, -81.76472)  | 
            
                Unknown Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Oyster Harbor Blvd. (26.02933, -81.66437)  | 
            
                Other Existing  | 
            
                Uncontrolled Unknown  | 
            
                2 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Aviamar Cir. / Club Center Blvd. / Dorado Ln. (26.03090, -81.66315)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands on north, west, or east legs. | |
| 
                Naples,
                FL Collier Co. United States  | 
            
                Bella Tesoro St. / (unknown) (26.02674, -81.64826)  | 
            
                Unknown Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Minimal splitter islands on northwest, southwest, and southeast legs. Year Completed estimated (2018-2020). | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                Naples Reserve Blvd. (26.05432, -81.66782)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Mona Lisa Blvd. / Leonardo Ave. (26.28276, -81.71712)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            Parking along circulatory roadway; no splitter islands on two legs. | |
| 
                Naples,
                FL Collier Co. United States  | 
            
                Vintage Colony Blvd. / Villa Florenza Dr. (26.23874, -81.72623)  | 
            
                Other Existing  | 
            
                One-Way/Two-Way Stop Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Laguna Cir. / Carrrington Cir. (26.19531, -81.74048)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Halstatt Dr. / Residence Cir. (26.17905, -81.76436)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter islands on three legs. | |
| 
                Naples,
                FL Collier Co. United States  | 
            
                Thomasson Dr. / Bayshore Dr. (26.10906, -81.77032)  | 
            
                Unknown Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2021 | https://www.coastalbreezenews.com/opinion/columnists/catching-up-with-bayshore/article_acf05522-df82-11eb-b1d5-cbde285af984.html | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                Coconut Palm Circle (26.04540, -81.68560)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                11 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Unknown  |   
            Building in central island. | |
| 
                Naples,
                FL Collier Co. United States  | 
            
                Campanile Cir. / Veneta Way (26.03476, -81.67484)  | 
            
                Unknown Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Treviso Bay Blvd. / Corso Bello Dr. / (parking) (26.07170, -81.73519)  | 
            
                Unknown Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Treviso Bay Dr. / Casoria Ct. / Trevi Ct. (26.08841, -81.74415)  | 
            
                Unknown Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Treviso Bay Blvd. / Treviso Bay Dr. (26.08790, -81.74060)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            No splitter island on side street. | |
| 
                Naples,
                FL Collier Co. United States  | 
            
                Piacere Way (26.09096, -81.74256)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                2 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Treviso Bay Blvd. / Veneto Ln. / Primo Way (26.09128, -81.73777)  | 
            
                Other Existing  | 
            
                One-Way/Two-Way Stop Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Santiago Cir. / Artesia Dr. (26.05529, -81.71448)  | 
            
                Other Existing  | 
            
                Other Unknown  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Naples,
                FL Collier Co. United States  | 
            
                Catalina Dr. / Biscayne Dr. / Gulfstream Dr. (26.10972, -81.74928)  | 
            
                Other Existing  | 
            
                Other Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Naples,
                Campania Naples Italy  | 
            
                Via Agnano Astroni / A56 Ramps (40.83651, 14.16047)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Naples,
                Campania Naples Italy  | 
            
                Via Provinciale Montagna Spaccata / Via Vicinale Cupa Cintia (40.84712, 14.18385)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Naples,
                Campania Naples Italy  | 
            
                Via Provinciale Montagna Spaccata / Via Domenico Padula / Via Vicinale Pignatiello (40.84904, 14.17988)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Naples,
                Campania Naples Italy  | 
            
                Via Provinciale Montagna Spaccata / (unknown) (40.85275, 14.16892)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Naples,
                Campania Naples Italy  | 
            
                Via Provinciale Montagna Spaccata / Via Arcangelo Corelli (40.85455, 14.16310)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Naples,
                Campania Naples Italy  | 
            
                Via Provinciale Montagna Spaccata / Via Pallucci (40.85579, 14.15904)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ||
| 
                Napoleon,
                OH Henry Co. United States  | 
            
                SR 110 / Industrial Dr. (41.40239, -84.10034)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | https://nbc24.com/newsletter-daily/roundabout-opens-on-state-route-110-in-napoleon | 
| 
                Napoleon,
                OH Henry Co. United States  | 
            
                SR 424 (E Riverview Ave.) / Industrial Dr. (41.40593, -84.10515)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2021 | https://www.crescent-news.com/news/local_news/second-napoleon-traffic-roundabout-opens/article_a0a29aab-464d-5d54-aa2d-b73a72ca2c49.html | 
| 
                Napoleon,
                OH Henry Co. United States  | 
            
                SR 108 / US 6-US 24 WB Ramps (41.40926, -84.13197)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2023 | https://www.northwestsignal.net/news/image_e08cef2c-9084-52ef-9bc1-bfd8ab955679.html | 
| 
                Nar Nar Goon,
                Victoria Cardinia Australia  | 
            
                C101-C433 (Nar Nar Goon Connection Rd.) / M1 (Princes Fwy.) EB Ramps (-38.06887, 145.56018)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            ||
| 
                Nar Nar Goon,
                Victoria Cardinia Australia  | 
            
                C101-C433 (Nar Nar Goon Connection Rd.) / M1 (Princes Fwy.) WB Ramps (-38.07215, 145.56287)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |