Roundabouts Database Index

29465 Results

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City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Almere, Flevoland Almere Netherlands	Zonnebloemweg / Passiebloemweg / Seringstraat (52.38603, 5.28146)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	s105 / Passiebloemweg (52.38506, 5.27960)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	s105 / Duwweg / Trekweg (52.37944, 5.27919)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Turbo roundabout.
Almere, Flevoland Almere Netherlands	Hagevoortdreef / Koningsbeltweg / Carel Willinklaan (52.37482, 5.27353)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	Hagevoortdreef / Chagallweg (52.37335, 5.27042)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	Hagevoortdreef / Picassoweg / Rodinweg (52.37076, 5.26322)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	Hagevoortdreef / Parkwijklaan (52.36872, 5.25611)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	Hagevoortdreef / Folkloreweg / Fruitweg (52.36680, 5.24971)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	s103 (Randstaddreef) / Vrijheidsdreef (52.37717, 5.23391)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Turbo roundabout.
Almere, Flevoland Almere Netherlands	s103 (Randstaddreef) / Randstad 22 (52.37695, 5.22888)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Turbo roundabout.
Almere, Flevoland Almere Netherlands	s103 (Randstaddreef) / Landdrostdreef (52.37728, 5.22519)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Almere, Flevoland Almere Netherlands	s103 (Randstaddreef) / Chruchillweg / Rijnweg (52.38057, 5.22284)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Almere, Flevoland Almere Netherlands	Noorderplassenweg / Von Dreisweg / Noorderledeweg (52.39111, 5.21614)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	Grote Vaartweg / Hefbrugweg (52.40704, 5.25461)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		OSOW bypass lanes through central island.
Almere, Flevoland Almere Netherlands	Grote Vaartweg / Bolderweg / Damsluisweg (52.41041, 5.25168)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		OSOW bypass lanes through central island.
Almere, Flevoland Almere Netherlands	Grote Vaartweg / Pontonweg (52.41485, 5.24409)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	N701 / Grote Vaartweg (52.42264, 5.23085)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	Botterweg / Godendreef (52.36579, 5.16199)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	Godendreef / Saturnuspad (52.36195, 5.15437)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	Godendreef / Homeruslaan (52.35924, 5.14627)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	Godendreef / Robert Pearystraat (52.35672, 5.13882)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	N701 / Godendreef (52.35528, 5.13456)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Almere, Flevoland Almere Netherlands	N701 (Poortdreef) / John Rossweg (52.35286, 5.13675)	Unknown Unknown	Unknown Unknown	4 Approaches 0 Driveways	Unknown Unknown
Almere, Flevoland Almere Netherlands	N701 (Poortdreef) / Amerigo Vespucciweg (52.35058, 5.13881)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Trafaria, Setúbal Almada Portugal	Avenida Torrado Da Silva / Estrada IC20 Acessos (38.66354, -9.19104)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Sobreda, Setúbal Almada Portugal	Estrada de Vale Mourelos [Via 6 / Rua Bernardim Machado] (38.65558, -9.18847)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Costa de Caparica, Setúbal Almada Portugal	N10-1 (Avenida de Dom Sebastião) / Rua Engenheiro Henrique Mendia (38.63925, -9.23049)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Trafaria, Setúbal Almada Portugal	Estrada EN377-1 / Caminho da Raposeira / Rua Primeiro de Maio (38.66967, -9.23341)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Piedade, Setúbal Almada Portugal	Avenida Dom Nuno Álvares Pereira / Avenida Bento Gonçalves / Rua Direita / Rua Caetano Maria Batalha (38.67617, -9.16488)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Pedestrian signals and signals for light rail crossing through central island.
Fort Wayne, IN Allen Co. United States	Bass Rd. / Flaugh Rd. (41.08899, -85.22707)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 50.2920	Other (At-Grade) Single-Lane	2018
Fort Wayne, IN Allen Co. United States	Diebold Rd. / Carmike Dr. (41.17707, -85.09396)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Year Completed estimated (2016-2017).
Fort Wayne, IN Allen Co. United States	E Tillman Rd. / Minnich Rd. (41.01954, -85.00032)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2018	Merging right-turn bypass lane on north leg.
Fort Wayne, IN Allen Co. United States	S 800 E / Liberty Mills Rd. (41.03398, -85.33611)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2018
Lima, OH Allen Co. United States	Shawnee Rd. / Ft Amanda Rd. (40.70578, -84.15135)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1207	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	https://www.facebook.com/pg/allencoroundabout/posts/ ICD estimated from Google Maps linework.
Fort Wayne, IN Allen Co. United States	Lincoln Hwy. / Goshen Ave. / Sherman Blvd. / Lillian Ave. (41.09896, -85.15372)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.wane.com/news/local-news/goshen-avenue-roundabout-opens-to-traffic/
Fort Wayne, IN Allen Co. United States	Coventry Ln. / (parking) (41.03712, -85.25558)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 22.8600	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1998-2002).
Fort Wayne, IN Allen Co. United States	W Till Rd. / Bethel Rd. (41.16826, -85.18962)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016).
Lima, OH Allen Co. United States	Bellefontaine Ave. / E Elm St. (40.73790, -84.09132)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.hometownstations.com/news/roundabout-opens-as-elm-street-grade-separation-nears-completion/article_802ed108-a1e9-11ea-8052-931940d240f7.html
Fort Wayne, IN Allen Co. United States	Old Mill Rd. / Westover Rd. (41.04247, -85.15324)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.7261	Other (At-Grade) Single-Lane	2001	Previously controlled by two-way stop control Functional Class: Collector ICD estimated from Google Maps linework.
Fort Wayne, IN Allen Co. United States	Pontiac St. / Wayne Trace (South) / Adams St. / Pioneer St. (41.06100, -85.10003)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003	One of two adjacent roundabouts.
Fort Wayne, IN Allen Co. United States	Pontiac St. / Wayne Trace (North) / Fenker Ave. / Pioneer St. (41.06183, -85.09948)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003	One of two adjacent roundabouts.
Fort Wayne, IN Allen Co. United States	Adams Center Rd. / Marion Center Rd. / Maples Rd. / Wayne Terrace (41.00440, -85.05704)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 57.9120	Other (At-Grade) Single-Lane	1995	Painted splitter islands. Year Completed estimated (before 1998).
Fort Wayne, IN Allen Co. United States	Bass Rd. / N Hadley Rd. / Yellow River Rd. (41.08864, -85.23647)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2019	Combined two intersections. Rail line crossing through center of roundabout. Gates cover circulatory roadway and one entry that intersects crossing.
Fort Wayne, IN Allen Co. United States	Fairfield Ave. / Ewing St. / W Superior St. / N Wells St. (41.08121, -85.14652)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 39.6114	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Fort Wayne, IN Allen Co. United States	Union Chapel Rd. / Diebold Rd. (41.20001, -85.09491)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 41.3370	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	https://www.in.gov/indot/3085.htm. ICD estimated from Google Maps linework.
Fort Wayne, IN Allen Co. United States	Union Chapel Rd. / I-69 NB Ramps (41.20019, -85.10345)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.5396	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	https://www.in.gov/indot/3085.htm. ICD estimated from Google Maps linework.
Fort Wayne, IN Allen Co. United States	Union Chapel Rd. / I-69 SB Ramps (41.20018, -85.10484)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.2492	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	https://www.in.gov/indot/3085.htm. ICD estimated from Google Maps linework.
Fort Wayne, IN Allen Co. United States	Union Chapel Rd. / Auburn Rd. (41.20007, -85.11421)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.9452	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	https://www.in.gov/indot/3085.htm. ICD estimated from Google Maps linework.
Fort Wayne, IN Allen Co. United States	E Wallen Rd. / Auburn Rd. (41.16245, -85.11852)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.2684	Other (At-Grade) Single-Lane	2015	Some confusion on the date of construction. News article (link below) says a bridge and roundabout will be constructed in 2016, yet Streetview shows the roundabout done in late 2015 with the bridge still under construction. https://www.journalgazette.net/news/local/-2-5-million-OK-d-to-fix-Auburn-Road-5788893. ICD estimated from Google Maps linework.
New Haven, IN Allen Co. United States	Maysville Rd. / Landin Rd. / Trier Rd. (41.11345, -85.02366)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8925	Other (At-Grade) Single-Lane	2017	https://www.wboi.org/post/fort-wayne-new-haven-open-new-roundabout#stream/0 ICD estimated from Google Maps linework.
Fort Wayne, IN Allen Co. United States	Bass Rd. / N Thomas Rd. / Morgan Creek Dr. (41.08851, -85.20212)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2021	https://wpta21.com/2021/03/04/portion-of-bass-road-to-be-shut-down-into-november/
Roanoke, IN Allen Co. United States	Ernst Rd. / (connector to Lower Huntington Rd.) (40.99439, -85.27605)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2024	At new Fort Wayne IUHealth campus. https://www.openstreetmap.org/#map=16/40.99329/-85.27753. https://www.google.com/maps/@40.9942784,-85.2772513,17z?entry=ttu.
Fort Wayne, IN Allen Co. United States	Bass Rd. / N Scott Rd. (41.08937, -85.27492)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	Open November 2024. https://www.wane.com/top-stories/section-of-bass-road-to-close-for-roundabout-construction/
Fort Wayne, IN Allen Co. United States	Flaugh Rd. / (parking) (41.12811, -85.22634)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2023
Lima, OH Allen Co. United States	Market St. / Main St. (40.73998, -84.10498)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.hometownstations.com/news/more-downtown-parking-being-added-now-that-roundabout-in-limas-town-square-is-open/article_b354ae8e-085a-11ed-8496-e7e7595f316f.html [Note: previous intersection looked somewhat like a roundabout. Not quite round and it had stop signs on the N-S approaches and only pedestrian stop lights on E-W approaches.]
Fort Wayne, IN Allen Co. United States	E Ludwig Rd. / Oakbrook Pkwy. (41.14005, -85.13911)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.wane.com/news/local-news/fort-wayne-adds-traffic-light-at-reworked-coldwater-ludwig-area/ https://www.wane.com/news/local-news/public-meeting-held-for-rework-of-coldwater-ludwig-intersection/ https://www.fortwaynesnbc.com/2022/12/07/new-roundabout-opens-w-ludwig-road-city-highlights-record-infrastructure-investments/ https://www.youtube.com/watch?v=rO5Oxt4pF2E
Fort Wayne, IN Allen Co. United States	Union Chapel Rd. / Parkview Plaza (41.20002, -85.10064)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	https://www.fwbusiness.com/fwbusiness/article_f4f95c16-cf7f-5063-b7fa-31833acc622f.html
Lima, OH Allen Co. United States	SR 309 / S Thayer Rd. (40.73112, -84.01320)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2022	https://www.hometownstations.com/news/saving-lives-is-the-goal-of-allen-countys-two-new-roundabouts-on-state-route-309/article_f37f2a24-1d8c-11ed-abd6-fbf254cf9124.html
Harrod, OH Allen Co. United States	SR 309 / S Napoleon Rd. (40.73202, -83.93435)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2022	https://www.hometownstations.com/news/saving-lives-is-the-goal-of-allen-countys-two-new-roundabouts-on-state-route-309/article_f37f2a24-1d8c-11ed-abd6-fbf254cf9124.html
Pittsburgh, PA Allegheny Co. United States	Crawford Rd. / Buckingham Dr. / Cobblestone Dr. (40.53998, -80.08945)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2010).
Pittsburgh, PA Allegheny Co. United States	Coral St. / Stratford Ave. (40.46221, -79.93260)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.wtae.com/article/traffic-circles-now-part-of-some-pittsburgh-neighborhoods/35982820
Pittsburgh, PA Allegheny Co. United States	Coral St. / S Fairmount St. (40.46240, -79.93351)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.wtae.com/article/traffic-circles-now-part-of-some-pittsburgh-neighborhoods/35982820
Pittsburgh, PA Allegheny Co. United States	Coral St. / Roup Ave. (40.46268, -79.93471)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.wtae.com/article/traffic-circles-now-part-of-some-pittsburgh-neighborhoods/35982820
Pittsburgh, PA Allegheny Co. United States	Coral St. / S Atlantic Ave. (40.46369, -79.93873)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.wtae.com/article/traffic-circles-now-part-of-some-pittsburgh-neighborhoods/35982820
Pittsburgh, PA Allegheny Co. United States	Coral St. / S Pacific Ave. (40.46396, -79.94014)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.wtae.com/article/traffic-circles-now-part-of-some-pittsburgh-neighborhoods/35982820
Upper St Clair, PA Allegheny Co. United States	McLaughlin Run Rd. / McMillan Rd. / Lesnett Rd. (40.34497, -80.08221)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.wtae.com/article/upper-st-clair-mclaughlin-run-road-roundabout/40981732#
Brighton Heights, PA Allegheny Co. United States	Harvard Circle (40.48492, -80.03139)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Pittsburgh, PA Allegheny Co. United States	Allenberry Cir. / Allenberry Cir. (40.35407, -80.03867)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Pittsburgh, PA Allegheny Co. United States	Parkview Blvd. / Shelburne Ln. / Biltmore Ln. (40.41694, -79.92038)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2012-2014).
Coraopolis, PA Allegheny Co. United States	(parking) (40.46293, -80.17648)	Other Unknown	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Coraopolis, PA Allegheny Co. United States	GSK Dr. / (parking) (40.45956, -80.17559)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Coraopolis, PA Allegheny Co. United States	GSK Dr. / (parking) (40.46049, -80.17626)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Pittsburgh, PA Allegheny Co. United States	Devonwood Dr. / Blairmont Dr. (40.33979, -80.06741)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
South Park Township, PA Allegheny Co. United States	Corrigan Dr. / E Park Dr. (40.31949, -80.00836)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island.
Franklin Park, PA Allegheny Co. United States	Rutgers Ln. / Providence Ct. (40.60649, -80.10223)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Pittsburgh, PA Allegheny Co. United States	Queensberry Cir. / Woodridge Cir. / Allenberry Cir. / Thornberry Cir. (40.35372, -80.04030)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Moon Township, PA Allegheny Co. United States	SR 3070 / Resurrection Rd. / I-376 SB Ramps (40.48070, -80.20240)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.4290	Freeway Ramps (Grade-Separated) Single-Lane	2011	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Pittsburgh, PA Allegheny Co. United States	Market Square (40.44070, -80.00256)	Other Existing	Unknown Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island; parking along circulatory roadway.
Findlay Township, PA Allegheny Co. United States	Court St. (40.50673, -80.26391)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No control.
Pittsburgh, PA Allegheny United States	Reynolds St. / S Homewood Ave. / Edgerton Ave. (40.44647, -79.90324)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5277	Other (At-Grade) Single-Lane		No splitter islands.
Frostburg, MD Allegany Co. United States	Heartwood Dr. / Moonlight Dr. (39.63654, -78.92720)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Flintstone, MD Allegany Co. United States	Lake Shore Dr. / (parking) (39.69941, -78.65115)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Unknown Unknown
Cumberland, MD Allegany Co. United States	US 220 / I-68 EB Ramps (39.64367, -78.79099)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.0276	Freeway Ramps (Grade-Separated) Single-Lane	2012	Built to facilitate U-turns. Teardrop shape. ICD estimated from Google Maps linework.
Cumberland, MD Allegany Co. United States	MD 639 Willow Brook Rd. / (Western Maryland Regional Medical Center - south entrance) (39.64659, -78.73184)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.7848	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Cumberland, MD Allegany Co. United States	MD 639 Willow Brook Rd. / (Western Maryland Regional Medical Center - north entrance) (39.64875, -78.73164)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.0248	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Saugatuck, MI Allegan Co. United States	Blue Star Hwy. / Old Allegan Rd. (42.65455, -86.19046)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.facebook.com/cityofsaugatuck/posts/pfbid02RhgzGHQSRQtD2w4Z8zHJCDmkc7Lf1jGgz22zex43fFEpErow9awqsaULZPqrYKMal
Ross, NT Alice Springs Australia	SR 8 (Ross Hwy.) / Palm Cirt / Ragonesi Rd. (-23.73636, 133.86883)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Araluen, NT Alice Springs Australia	SR 6 (Larapinta Dr.) / Milner Rd. (-23.70083, 133.86863)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Araluen, NT Alice Springs Australia	SR 6 (Larapinta Dr.) / Lovegrove Dr. (-23.70104, 133.86017)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Alice Springs, NT Alice Springs Australia	Stott Terrace / South Terrace / Leichhardt Terrace (-23.70287, 133.88276)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Alice Springs, NT Alice Springs Australia	Leichhardt Terrace / Gregory Terrace / (parking) (-23.70147, 133.88360)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Alice Springs, NT Alice Springs Australia	Undoolya Rd. / Stott Terrace / Grevillea Dr. (-23.69615, 133.89523)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Munising, MI Alger Co. United States	E Munising Ave. / M-28 (46.40970, -86.64977)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.uppermichiganssource.com/2020/11/02/work-on-roundaboutroad-repair-project-in-munising-nearly-done-for-the-year/
Goolwa, SA Alexandrina Australia	Brooking St. / Goolwa Terrace (-35.50209, 138.78519)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Strathalbyn, SA Alexandrina Australia	B37 (Sandergrove Rd. - South Terrace) / West Terrace / Milnes Rd. (-35.26155, 138.89007)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Goolwa, SA Alexandrina Australia	B37 (Port Elliot Rd.-Hutchinson St.) / Beach Rd. / Foster Pl. (-35.50462, 138.77658)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Alexandria, VA Alexandria City United States	Hickory St. / Kennedy St. (38.83080, -77.06213)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2024	Central island is painted only and ringed with mountable dividers. https://www.alexandriava.gov/transportation-planning/project/hickory-street-and-kennedy-street-neighborhood-mini-roundabout
Alexandria, VA Alexandria City United States	Beverley Circle: Old Dominion Blvd. / Chalfonte Dr. (38.83602, -77.07233)	Other Existing	All-Way Stop Unknown	3 Approaches 2 Driveways 0.0000	Other (At-Grade) Single-Lane		Parking within circulatory roadway. No splitter islands.
Alexandria, VA Alexandria City United States	Washington Circle: Circle Hill Rd. / Beverley Dr. / Canyon Dr. (38.83533, -77.07047)	Other Existing	Other Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island. No splitter islands. Mix of stop, yield, and uncontrolled entries.
Alexandria, VA Alexandria City United States	Cameron Station Blvd. / Brenman Park Dr. (38.80933, -77.11861)	Other Existing	All-Way Stop Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)		Pedestrian access to central island.