| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Georgetown,
                CO Clear Creek Co. United States | 15th St. / Argentine St. (39.71527, -105.69520) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.8298 | Other (At-Grade) Single-Lane | 2011 | ICD estimated from Google Maps linework. | 
| Georgetown,
                TX Williamson Co. United States | Riverhaven Dr. / E Morrow St. / College St. (30.65443, -97.66443) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Single-Lane | 2010 | Opened to traffic in March 2010. Replaced three closely spaced intersections in a triangular layout. | 
| Georgetown,
                TX Williamson Co. United States | Teravista Crossing / Lake Teravista Way (30.58704, -97.66839) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.9600 | Other (At-Grade) Single-Lane | 2015 | Year Completed estimated (2014-2015). | 
| Georgetown,
                KY Scott Co. United States | Showalter Dr. / Seminole Trl. (38.19731, -84.58024) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2006 | |
| Georgetown,
                ON Halton Canada | Barber Dr. / Danby Rd. (43.63229, -79.87161) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2006 | |
| Georgetown,
                ON Halton Canada | Danby Rd. / Barber Dr. (43.62737, -79.87845) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2006 | |
| Georgetown,
                KY Scott Co. United States | SR 32 (Long Lick Pike) / US 460 Bypass-SR 1143 (McClelland Cir.) (38.24293, -84.58271) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2020 | https://www.news-graphic.com/breaking_news/long-lick-pike-roundabout-opens-at-5-p-m-today/article_cf61af70-de57-11ea-bb7f-9f87f9fe6720.html | 
| Georgetown,
                TX Williamson Co. United States | Rivery Blvd. / Park Ln. (30.65498, -97.68040) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.2440 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | https://communityimpact.com/austin/georgetown/city-county/2019/09/13/phase-1-of-rivery-boulevard-extension-project-to-park-lane-now-open/ | 
| Georgetown,
                TX Williamson Co. United States | Northwest Blvd. / Fontana Blvd. / Rivery Blvd. (30.65757, -97.67806) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 57.9120 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2020 | Year Completed estimated (2020-2021). | 
| Georgetown,
                TX Williamson Co. United States | Moonlight Terrace Dr. / Legacy Crossing / Wolf Ridge Rd. (30.64654, -97.70171) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2022 | |
| Georgetown,
                ON Halton Canada | Danby Rd. / Northwest Ct. / Hidden Lake Trl. (43.62272, -79.88452) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2015 | |
| Georgetown,
                ON Halton Canada | Danby Rd. / Hartwell Rd. (43.63483, -79.86954) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2018-2019). | 
| Georgetown,
                KY Scott Co. United States | Outer Ring Rd. / Team Services Way (38.24794, -84.53523) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2016 | Add-lane right-turn bypass lane on south leg. Merging right-turn bypass lane on north leg with acute entry angle. | 
| Georgetown,
                KY Scott Co. United States | Outer Ring Rd. / Gate 21 Rd. (38.25434, -84.54168) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2015 | Year Completed estimated (2014-2016). | 
| Georgetown,
                DE Sussex Co. United States | S Bedford St. / Arrow Safety Rd. (38.67394, -75.37738) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | There's a short video of a truck going around this roundabout posted on Sept 1 at https://www.facebook.com/delawaredot/ This roundabout currently has three legs, but a fourth will be added some time in the future. | 
| Georgetown,
                DE Sussex Co. United States | Sand Hill Rd. / Clark Dr. (38.70163, -75.36785) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2022 | West leg is entrance to Cheer Community Center. East leg stubbed. https://www.wmdt.com/2022/08/georgetown-east-gateway-project-completed-ensuring-safer-roadways-for-locals/ | 
| Georgina,
                ON Durham Canada | Pefferlaw Rd. / Lake Ridge Rd. (44.31883, -79.18064) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.0000 | Other (At-Grade) Single-Lane | 2020 | https://thebrockvoice.com/2020/06/01/region-resumes-work-on-roundabout-near-wilfrid/ | 
| Geraldton,
                Western Australia Greater Geraldton Australia | Chapman Rd. / Phelps St. (-28.76462, 114.61600) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Geraldton,
                Western Australia Greater Geraldton Australia | NR 1 (N West Coastal Hwy.) / Hosken St. / Horan St. (-28.73706, 114.62647) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Geraldton,
                Western Australia Greater Geraldton Australia | Barrett Dr. / Winnetta Ridge (-28.80990, 114.62998) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Germantown,
                WI Washington Co. United States | STH 175 (Appleton Ave.) / CTH Y (Lannon Rd.) (43.20619, -88.15727) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.8216 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2017 | ICD estimated from Google Maps linework. | 
| Germantown,
                WI Washington Co. United States | STH 145 (Fond du Lac Ave.) / Donges Bay Rd. (43.20656, -88.08297) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5624 | Other (At-Grade) Single-Lane | 2016 | ICD estimated from Google Maps linework. | 
| Germantown,
                MD Montgomery Co. United States | Crossview Rd. / Autumn Crest Rd. (39.16717, -77.30075) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Germantown,
                MD Montgomery Co. United States | Crestmount Rd. / Kings Crossing Rd. (39.16175, -77.30841) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Germantown,
                MD Montgomery Co. United States | Kings Crossing Blvd. / Cornflower Rd. (39.16222, -77.30397) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Germantown,
                MD Montgomery Co. United States | Kings Crossing Blvd. / Ashmeade Rd. (39.16235, -77.29971) | Other Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 32.0040 | Other (At-Grade) Single-Lane | Painted splitter islands. Pedestrian crossings next to circulatory roadway. | |
| Germantown,
                MD Montgomery Co. United States | Ashleigh Greene Rd. / Ashmeade Rd. (39.16013, -77.29900) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Germantown,
                MD Montgomery Co. United States | Ashleigh Greene Rd. / Cornflower Rd. (39.15879, -77.30324) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Germantown,
                MD Montgomery Co. United States | Wonderland Way / Chalet Dr. (39.15516, -77.27464) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands. | |
| Germantown,
                MD Montgomery Co. United States | Summer Oak Dr. / Summer Oak Ct. (39.16467, -77.24384) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | No splitter islands on two legs. | |
| Germantown,
                MD Montgomery Co. United States | Germantown Rd. / Watkins Mill Rd. / Blunt Rd. (39.19058, -77.22492) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 1999 | Right-turn bypass lane on north leg. Year Completed estimated (1993-2005). | 
| Germantown,
                MD Montgomery Co. United States | Milestone Manor Ln. / Manor View Cir. / Milestone Manor Ct. (39.20854, -77.24868) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Germantown,
                MD Montgomery Co. United States | Milestone Manor Ln. / Stardrift Dr. (39.20560, -77.25039) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Germantown,
                MD Montgomery Co. United States | Milestone Manor Ln. / Emerald Dr. (39.20479, -77.25262) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Germantown,
                MD Montgomery Co. United States | Milestone Manor Ln. / Royal Crown Dr. (39.20518, -77.25877) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Germantown,
                MD Montgomery Co. United States | Pickering Dr. / Pickering Pl. (39.18854, -77.27173) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Germantown,
                MD Montgomery Co. United States | Club Hill Dr. / Thackery Pl. (39.18531, -77.27012) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Germantown,
                MD Montgomery Co. United States | Kildale Hills Terrace / Galway Bay Cir. (39.17826, -77.27643) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | ||
| Germantown,
                MD Montgomery Co. United States | Observation Dr. / Goldenrod Ln. (39.18419, -77.24566) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2013 | Year Completed estimated (2012-2014). | 
| Germantown,
                MD Montgomery Co. United States | Crystal Rock Dr. / Century Blvd. (39.20326, -77.27356) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 48.7680 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2015 | Striping added 2019-2021. Inconsistent lane use markings between entry and circulatory roadway. | 
| Gerringong,
                New South Wales Kiama Australia | Bridges Rd. / Fern St. (-34.74044, 150.82709) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Gerringong,
                New South Wales Australia | Belinda St. / Fern St. (-34.74725, 150.82717) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Gettysburg,
                PA Adams Co. United States | Lincoln Square (Chamberburg St. / York St. / Carlisle St. / Baltimore St.) (39.83092, -77.23112) | Other Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 31.1838 | Other (At-Grade) Single-Lane | Diagonal parking around circulatory roadway; pedestrian access to center island; no splitter islands. ICD estimated from Google Maps linework. | |
| Geulei Teiman,
                Central District Israel | Ha-Meyasdim St. / (unknown) (32.38946, 34.90263) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Geva Carmel,
                Haifa District Israel | Haeschel Rd. / Haalon Rd. (32.66270, 34.95598) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Ghazir,
                Mount Lebanon Kesrwan Lebanon | Ghazir Main Rd. / Ghazir St. (34.01312, 35.64928) | Unknown Existing | Unknown Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Gibraltar, Gibraltar | Europa Rd. / Levantner Way (36.11228, -5.34521) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 23.1565 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Gibraltar, Gibraltar | Line Wall Rd. / Trafalgar Rd. / Rosia Rd. / Ragged Staff Rd. (36.13438, -5.35266) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 55.9458 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Gibraltar, Gibraltar | Rosia Rd. / Boyd St. (36.13379, -5.35285) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 42.4420 | Other (At-Grade) Single-lane w/ Traversable Central Island | ICD estimated from Google Maps linework. | |
| Gibraltar, Gibraltar | Queensway Rd. / Ragged Staff Rd. (36.13388, -5.35392) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 12.5397 | Other (At-Grade) Single-lane w/ Traversable Central Island | ICD estimated from Google Maps linework. | |
| Gibraltar, Gibraltar | Queensway Rd. / Bishop Caruana Rd. (36.13906, -5.35615) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 27.0067 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Gibraltar, Gibraltar | Europort Rd. / Europort Ave. (36.14364, -5.35825) | Other Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 23.1473 | Other (At-Grade) Single-Lane | Parking in circulatory roadway. ICD estimated from Google Maps linework. | |
| Gibraltar, Gibraltar | Europort Rd. / Westside Rd. (36.14497, -5.35875) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 27.9691 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Gibraltar, Gibraltar | Europort Rd. / N Mole Rd. (36.14799, -5.35893) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 21.2171 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Gibraltar, Gibraltar | Waterport Rd. / Glacis Rd. / Queensway Rd. (36.14583, -5.35375) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 23.1466 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Gibraltar, Gibraltar | Winston Churchill Ave. / Smith Dorrien Ave. / Corral Rd. / Sortie Rd. (36.14627, -5.35087) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 15.4310 | Other (At-Grade) Single-lane w/ Traversable Central Island | ICD estimated from Google Maps linework. | |
| Gibraltar, Gibraltar | Winston Churchill Ave. / Devil's Tower Rd. (36.14857, -5.34929) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 25.0746 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Gibraltar, Gibraltar | Winston Churchill Ave. / Gibraltar Airport (36.15462, -5.34802) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 18.3223 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Gibraltar, Gibraltar | Halifax Rd. / Lancaster Rd. / Shackelton Rd. (36.14777, -5.34353) | Roundabout Existing | All-Way Yield Unknown | 2 Approaches 0 Driveways 19.2884 | Other (At-Grade) Single-lane w/ Traversable Central Island | ICD estimated from Google Maps linework. | |
| Gibraltar, Gibraltar | Devil's Tower Rd. / (unknown) (36.14616, -5.34220) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 13.5021 | Other (At-Grade) Single-lane w/ Traversable Central Island | ICD estimated from Google Maps linework. | |
| Gibraltar, Gibraltar | Waterport Rd. / N Mole Rd. (36.14742, -5.35609) | Rotary Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 19.2885 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Gibsonton,
                FL Hillsborough Co. United States | E Bay Rd. / Nundy Ave. / New East Bay Rd. (27.84654, -82.35124) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2016-2017). | 
| Giessendam,
                South Holland Hardinxveld-Giessendam Netherlands | Peulenlaan / Thorbeckestraat / Rijnstraat (51.82422, 4.83289) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 18.4546 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Giessendam,
                South Holland Hardinxveld-Giessendam Netherlands | Peulenlaan / A15 WB Ramps / Buitendams (51.82340, 4.80689) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 29.5280 | Freeway Ramps (Grade-Separated) Single-Lane | ICD estimated from Google Maps linework. | |
| Giessendam,
                South Holland Hardinxveld-Giessendam Netherlands | Sportlaan / Schapedrift / Zwijnskade (51.82574, 4.80473) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 34.6936 | Other (At-Grade) Single-Lane | Kidney-shaped. ICD estimated from Google Maps linework. | |
| Gieten,
                Drenthe Aa en Hunze Netherlands | N34 / N33 Ramps (53.01049, 6.74958) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | ||
| Gieten,
                Drenthe Aa en Hunze Netherlands | Oelenboom / N34 SB Ramps (52.99807, 6.75297) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | Raindrop shaped. | |
| Gieten,
                Drenthe Aa en Hunze Netherlands | Oelenboom / N34 NB Ramps (52.99885, 6.75415) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Gieten,
                Drenthe Aa en Hunze Netherlands | Oelenboom / Rondkamp (52.99976, 6.75562) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Giffnock,
                Scotland East Renfrewshire United Kingdom | A727 (Rouken Glen Rd. - Eastwoodmains Rd.) / A77 (Fenwick Rd. - Ayr Rd.) (55.79636, -4.30171) | Roundabout Existing | All-Way Yield Pedestrian Signal (red-yellow-green to drivers) | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Gig Harbor,
                WA Pierce Co. United States | Rosedale St. NW / Stinson Ave. (47.33074, -122.58937) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2021 | |
| Gig Harbor,
                WA Pierce Co. United States | Burnham Dr. / Harbor Hill Dr. / (unknown) (47.34739, -122.60301) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2018 | |
| Gig Harbor,
                WA Pierce Co. United States | Harbor Hill Dr. / Sentinel Dr. (47.35165, -122.60023) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2018 | |
| Gig Harbor,
                WA Pierce Co. United States | Borgen Blvd. / Olympus Way (47.35991, -122.59782) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 33.1701 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2013 | Year Completed estimated (2013-2014). ICD estimated from Google Maps linework. | 
| Gig Harbor,
                WA Pierce Co. United States | Point Fosdick Dr. NW / 34th Ave. NW / Stone Dr. NW (47.27442, -122.58412) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.7928 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Gig Harbor,
                WA Pierce Co. United States | Borgen Blvd. / 51st (47.35959, -122.60640) | Roundabout Existing | All-Way Yield Active Pedestrian Warning (flashing yellow) | 4 Approaches 0 Driveways 35.5974 | Other (At-Grade) Single-Lane | 2002 | In-pavement flashers in use on all crosswalks. Striped-out apron for future conversion to multilane. Opened September 2002. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Gig Harbor,
                WA Pierce Co. United States | Borgen Blvd. / SR 16 SB Ramps (47.35868, -122.61610) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.8342 | Freeway Ramps (Grade-Separated) Single-Lane | 2004 | Opened March 2004. ICD estimated from Google Maps linework. | 
| Gig Harbor,
                WA Pierce Co. United States | Borgen Blvd. / SR 16 NB Ramps / Burnham Dr. (47.35843, -122.61260) | Roundabout Existing | All-Way Yield None | 6 Approaches 0 Driveways 47.7339 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2001 | Oval shaped central island. 6 legged configuration includes a on-ramp (outbound)leg. Central island is used as a roadway storm detention pond. Completed Summer/Fall 2001. Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| Gig Harbor,
                WA Pierce Co. United States | Borgen Blvd. / Peacock Hill Ave. NW (47.35992, -122.58930) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.6979 | Other (At-Grade) Single-Lane | 2006 | Opened January 2006. ICD estimated from Google Maps linework. | 
| Gig Harbor,
                WA Pierce Co. United States | Borgen Blvd. / Harbor Hill Dr. (47.35993, -122.60160) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.8333 | Other (At-Grade) Single-Lane | 2007 | Opened March 2007. ICD estimated from Google Maps linework. | 
| Gig Harbor,
                WA Pierce Co. United States | Point Fosdick Dr. NW / NW 36th St. (47.29077, -122.57790) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.3530 | Other (At-Grade) Single-Lane | 2005 | Opened September 2005. ICD estimated from Google Maps linework. | 
| Gig Harbor,
                WA Thurston Co. United States | Harbor Hill Dr. / (parking) (47.35845, -122.60116) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2008 | January 2008. | 
| Gig Harbor,
                WA Pierce Co. United States | Harborview Dr. / Stinson Ave. (47.33363, -122.58919) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | |
| Gig Harbor,
                WA Pierce Co. United States | Olympus Way / Buckhorn Pl. / Copper Ct. (47.36278, -122.59679) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2014 | |
| Gilber,
                AZ Maricopa Co. United States | E Vest Ave. / S Sanders Dr. (33.31067, -111.69970) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0037 | Other (At-Grade) Single-Lane | 2006 | No splitter islands. | 
| Gilbert,
                AZ Maricopa Co. United States | E Carla Vista Dr. / S Sanders Dr. (33.31172, -111.69972) | Traffic Calming Circle Existing | All-Way Yield None | 3 Approaches 0 Driveways 32.0037 | Other (At-Grade) Single-Lane | 2006 | No splitter islands. | 
| Gilbert,
                AZ Maricopa Co. United States | E Vest Ave. / S Swallow Ln. (33.31065, -111.70183) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0037 | Other (At-Grade) Single-Lane | 2006 | No splitter islands. | 
| Gilbert,
                AZ Maricopa Co. United States | E Vest Ave. / S Heron Ln. (33.31074, -111.69680) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0037 | Other (At-Grade) Single-Lane | 2006 | No splitter islands. | 
| Gilbert,
                AZ Maricopa Co. United States | E Oakland St. / S Heron Ln. (33.31248, -111.69729) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0037 | Other (At-Grade) Single-Lane | 2006 | |
| Gilbert,
                AZ Maricopa Co. United States | E Oakland St. / S Swallow Ln. (33.31243, -111.70186) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0037 | Other (At-Grade) Single-Lane | 2006 | No splitter islands. | 
| Gilbert,
                AZ Maricopa Co. United States | E Loma Vista St. / S Swan Dr. (33.31564, -111.69268) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0037 | Other (At-Grade) Single-Lane | 2003 | No splitter islands. | 
| Gilbert,
                AZ Maricopa Co. United States | (entrance) / (parking) (33.31625, -111.68786) | Other Existing | All-Way Yield None | 2 Approaches 2 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2020 | No splitter islands on three legs. | 
| Gilbert,
                AZ Maricopa Co. United States | E Oxford Ln. / S Swan Dr. (33.31913, -111.69381) | Traffic Calming Circle Existing | All-Way Yield None | 3 Approaches 0 Driveways 27.4317 | Other (At-Grade) Single-Lane | 2003 | No splitter islands. | 
| Gilbert,
                AZ Maricopa Co. United States | E Perkinsville St. / S Benjamin Dr. (33.31177, -111.70813) | Traffic Calming Circle Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.5274 | Other (At-Grade) Single-Lane | 2015 | No splitter islands on two legs. | 
| Gilbert,
                AZ Maricopa Co. United States | E Turley St. / S Benjamin Dr. (33.31312, -111.70815) | Traffic Calming Circle Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.5277 | Other (At-Grade) Single-Lane | 2015 | No splitter islands on two legs. | 
| Gilbert,
                IA Story Co. United States | Gretten St / Matthews Dr (42.10645, -93.64027) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 84.1769 | Other (At-Grade) Single-Lane | 2013 | ICD estimated from Google Maps linework. | 
| Gilberts Corner,
                VA Loudoun Co. United States | US 50 / US 15 (38.96912, -77.62269) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 52.9286 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Gilberts Corner,
                VA Loudoun Co. United States | US 50 / Howsers Branch Dr. (38.96663, -77.61662) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 35.2870 | Other (At-Grade) Single-Lane | 2010 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Gilberts Corner,
                VA Loudoun Co. United States | US 50 / Rte 860 (38.96444, -77.60944) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 40.8599 | Other (At-Grade) Single-Lane | 2010 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Gilberts Corner,
                VA Loudoun Co. United States | US 15 / Howsers Branch Dr. (38.96468, -77.62237) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 40.8598 | Other (At-Grade) Single-Lane | 2010 | Functional Class: Arterial ICD estimated from Google Maps linework. |