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
Lake Country, BC Central Okanagan Canada	Bottom Wood Lake Rd. / Berry St. / Grant Crescent (Main St.) (50.02941, -119.40193)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2010).
Kelowna, BC Central Okanagan Canada	University Way / Innovation Dr. / Hollywood Rd. (49.94106, -119.39019)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2005-2011).
Kelowna, BC Central Okanagan Canada	Hollywood Rd. / John Hindle Dr. / Hwy 97 NB Off-ramp / Hwy 97 SB On-ramp (49.93629, -119.39215)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.0000	Freeway Ramps (Grade-Separated) Single-Lane	2010	Year Completed estimated (2005-2011).
Kelowna, BC Central Okanagan Canada	Discovery Ave. / University Way / (parking) (49.93985, -119.39897)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane	2018
West Kelowna, BC Central Okanagan Canada	Louie Dr. / Butt Rd. (49.83687, -119.61698)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.0000	Other (At-Grade) Single-Lane	2008	Right-turn bypass lane on west leg due to skew. Year Completed estimated (2006-2009).
West Kelowna, BC Central Okanagan Canada	Westlake Rd. / Stevens Rd. (49.86593, -119.56604)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2014).
Penticton, BC Okanagan-Similkameen Canada	Power St. / Wade Ave. / Vees Dr. / Park Dr. (49.49474, -119.60266)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2004-2009)
Kelowna, BC Central Okanagan Canada	Campbell Rd. / Hwy 97 SB Ramps (49.87891, -119.52320)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 40.0000	Freeway Ramps (Grade-Separated) Single-Lane	2008	Year Completed estimated (2006-2009).
West Kelowna, BC Central Okanagan Canada	Campbell Rd. / Hwy 97 NB Ramps (49.87847, -119.52412)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Freeway Ramps (Grade-Separated) Single-Lane	2008	Year Completed estimated (2006-2009).
Fitchburg, WI Dane Co. United States	E Cheryl Pkwy. / Fahey Glen (43.00451, -89.41212)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2002	Year Completed estimated (2000-2004). Third leg added 2018-2019; future fourth leg.
Madison, WI Dane Co. United States	Dayflower Dr. / Starr Grass Dr. (43.03834, -89.51671)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	1999	Year Completed estimated (before 2000).
Madison, WI Dane Co. United States	Mansion Hill Ave. / Starr Grass Dr. (43.03559, -89.52668)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2001	Year Completed estimated (2000-2003).
Madison, WI Dane Co. United States	Ancient Oak Ln. / Redan Dr. (43.04384, -89.54697)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2006
Καραβοστάσι, Λευκωσία Cyprus	Mehmet Akif Caddesi / Flamingo Yolu (35.13557, 32.83399)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Αργάκι, Λευκωσία Cyprus	Güzelyurt Yolu / (unknown) (35.20502, 33.04305)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Tallahassee, FL Leon Co. United States	Harbor Club Dr. / Kiawah Dr. (30.47399, -84.22270)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2006
Duluth, GA Gwinnett Co. United States	Venture Dr. / Day Dr. (33.95385, -84.13234)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.gwinnettdailypost.com/multimedia/photos-new-roundabout-at-venture-day-drives-opens/collection_befd7f9e-993b-11ea-b52d-87cffebaf0b1.html#1
Greenacres, WA Spokane Co. United States	N Barker Rd. / I-90 WB Ramps / E Cataldo Ave. (47.66736, -117.15377)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.4904	Freeway Ramps (Grade-Separated) Single-Lane	2020	ICD ranges from approx 112 to approx 123 feet. Open 8/25/2020.
St Cloud, MN Stearns Co. United States	33rd St. S / Cooper Ave. S (45.51500, -94.17814)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Year Completed estimated (2016-2019).
Sherwood, OR Washington Co. United States	SW Elwert Rd. / SW Kruger Rd. / Cedar Ln. (45.35477, -122.86786)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	Intersection of Kruger/Elwert was moved north a few hundred feet. That intersection was previously a two-way stop.
Shakopee, MN Scott Co. United States	Vierling Dr. E / 12th Ave. / Shenandoah Dr. (44.78504, -93.48103)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2019	Right-turn bypass lane on south leg.
Shakopee, MN Scott Co. United States	Shenandoah Dr. / Canterbury Access Road Connector / (parking) (44.78989, -93.48637)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2019	Right-turn only lane on south leg. Year Completed estimated (2017-2019).
Shakopee, MN Scott Co. United States	Shenandoah Dr. / (parking) (44.79179, -93.48743)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2017-2019).
Stockport, England Greater Manchester United Kingdom	Wellington St. / Piccadilly (53.40813, -2.15843)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Stockport, England Greater Manchester United Kingdom	Lisburne Ln. / Alfreton Rd. / Oakland Ave. (53.39519, -2.12448)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Stockport, England Greater Manchester United Kingdom	A560 (King St. W) / Travis Brow / Great Egerton St. / Heaton Ln. (53.40991, -2.16717)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Stockport, England Greater Manchester United Kingdom	George's Rd. / Rooth St. / Longsight St. / (parking) (53.41167, -2.17059)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Bredbury, England Greater Manchester United Kingdom	A560 (Crookilley Way) / M60 Ramps (53.42420, -2.12365)	Rotary Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Bredbury, England Greater Manchester United Kingdom	A560 (Crookilley Way) / A6017 (Ashton Rd.) / M60 Ramp / Oldmoor Rd. (53.42626, -2.12194)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Blackpool, England Blackpool United Kingdom	Bispham Rd. / Red Bank Rd. / Devonshire Rd. (53.85177, -3.04094)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Thornton, England Blackpool United Kingdom	Luton Rd. / North Dr. (53.87034, -3.03377)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Thornton, England Lancs United Kingdom	Promenade / Victoria Rd. (53.87801, -3.04653)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Fleetwood, England Lancs United Kingdom	A587 (Broadway) / Grange Rd. / Beach Rd / Hatfield Ave. / Fleetwood Rd. (53.91377, -3.03414)	Roundabout Existing	All-Way Yield Unknown	7 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Fleetwood, England Lancs United Kingdom	A585 (Amounderness Way) / A587 (Station Rd.) / Dock St. / Anchorage Rd. (53.91931, -3.01421)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Thornton, England Lancs United Kingdom	A585 (Amounderness Way) / B5412 (Victoria Rd.) / (parking) (53.87440, -3.02330)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Left-turn bypass lane on south leg.
Thornton, England Lancs United Kingdom	B5258 (Warren Dr.) / White Carr Ln. (53.86243, -3.02211)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
South Shore, England Blackpool United Kingdom	Mere Rd. / Park Dr. / Beech Ave. (53.81597, -3.03119)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Warton, England Lancs United Kingdom	A584 / Lytham Rd. (53.75271, -2.88119)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Freckleton, England Lancs United Kingdom	A584 (Preston New Rd.) / Lytham Rd. (53.75605, -2.86396)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Lea, England Lancs United Kingdom	B6241 (Tom Benson Way) / Valentines Ln. (53.77528, -2.74880)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Cottam, England Lancs United Kingdom	B6241 (Tom Benson Way) / Cottam Way / (parking) (53.77915, -2.75150)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Ingol, England Lancs United Kingdom	B6241 (Tom Benson Way) / Merry Trees Ln. / Tanterton Hall Rd. (53.78504, -2.75101)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Cottam, England Lancs United Kingdom	B6241 (Tom Benson Way) / B5411 / Tanterton Hall Rd. / Tag Ln. (53.78971, -2.74893)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Fulwood, England Lancs United Kingdom	B6241 (Tom Benson Way-Lightfoot Ln.) / Aldeburgh Dr. (53.79443, -2.73935)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Fulwood, England Lancs United Kingdom	B6241 / Eastway / (unknown) (53.79898, -2.71929)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Broughton, England Lancs United Kingdom	B6241 / Eastway / (parking) (53.80034, -2.71265)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Fulwood, England Lancs United Kingdom	B6241 / Heron Dr. / Longfield (53.79903, -2.70385)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Broughton, England Lancs United Kingdom	James Towers Way / DUrton Ln. (53.80371, -2.71441)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Fulwood, England Lancs United Kingdom	B6241 (Eastway) / D'Urton Ln. / (unknown) (53.79932, -2.69830)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Fulwood, England Lancs United Kingdom	B6241 (Eastway) / Sherwood Way / Oliver's Pl. (53.79650, -2.69441)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Fulwood, England Lancs United Kingdom	Pittman Way / Williams Ln. / Faraday Dr. (53.79431, -2.68261)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Fulwood, England Lancs United Kingdom	B6241 (Eastway) / Pittman Way (53.79141, -2.68811)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Fulwood, England Lancs United Kingdom	B6241 (Eastway) / B6242 (Andersons Way) (53.78397, -2.68019)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Fulwood, England Lancs United Kingdom	Longsands Ln. / Andersons Way / Redsands Dr. (53.78664, -2.67221)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Ribbleton, England Lancs United Kingdom	B6243 (Longridge Rd.) / B6242 (Bluebell Way) (53.78752, -2.64591)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Fulwood, England Lancs United Kingdom	Bowland View / (fuel station) (53.79244, -2.65337)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Higher Penwortham, England Lancs United Kingdom	A59 / B5254 (Leyland Rd.) (53.75051, -2.71972)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Euxton, England Lancs United Kingdom	Buckshaw Ave. / Horseshoe Dr. (53.67476, -2.65321)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Chorley, England Lancs United Kingdom	Buckshaw Ave. / Village Way / Ordinance Rd. (53.67715, -2.65611)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Buckshaw Village, England Lancs United Kingdom	Old Worden Ave. / Village Way / Main St. (53.67961, -2.65719)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Euxton, England Lancs United Kingdom	Ordnance Rd. / (unknown) (53.67447, -2.66109)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Chorley, England Lancs United Kingdom	B5252 / Lower Burgh Way (53.63583, -2.63603)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Chorley, England Lancs United Kingdom	B5252 / (school parking) (53.63657, -2.62761)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Chorley, England Lancs United Kingdom	B5251 (Yarrow Valley Way) / Nightingale Way (53.64175, -2.65588)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Chorley, England Lancs United Kingdom	B5251 / Burgh Wood Way (53.64569, -2.65421)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Chorley, England Lancs United Kingdom	B5251 / Ackhurst Rd. / Copperwood Way (53.65202, -2.65352)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Euxton, England Lancs United Kingdom	A581 (Southport Rd.) / B5252 / Foxhole Rd. (53.65905, -2.65984)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Wigan, England Greater Manchester United Kingdom	Westwood Way / Westwood Park (53.53626, -2.62849)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Wigan, England Greater Manchester United Kingdom	Westwood Way / (unknown) (53.53532, -2.63003)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Wigan, England Greater Manchester United Kingdom	Smithy Brook Rd. / Smithy Ct. / Queen Pit Rd. (53.52936, -2.66198)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Skelmersdale, England Lancs United Kingdom	Windmill Roundabout [A577 (Stannanought Rd.) / B5312 (Grimshaw Rd.)] (53.54319, -2.74804)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Skelmersdale, England Lancs United Kingdom	Digmoor Rd. / Gillibrands Rd. / Abbeywood (53.54034, -2.76765)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Skelmersdale, England Lancs United Kingdom	Tanhouse Rd. / Houghton's Ln. / Eskdale (53.54799, -2.76645)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Skelmersdale, England Lancs United Kingdom	Elmer's Green Roundabout (Tanhouse Rd. / Elmers Wood Rd. / Eastleigh) (53.54998, -2.75787)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Skelmersdale, England Lancs United Kingdom	Digmoor Rd. / Clay Brow Rd. (53.53785, -2.75444)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Skelmersdale, England Lancs United Kingdom	B5312 (Railway Rd.) / Winstanley Rd. / Gillibrands Rd. (53.54645, -2.79258)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Skelmersdale, England Lancs United Kingdom	B5312 (Railway Rd.) / Whitehey Rd. / Gardiners Pl. (53.54619, -2.79704)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Chapel House, England Lancs United Kingdom	A577 (Neverstitch Rd.) / B5312 (Railway Rd. ) / Ormskirk Rd. / Witham Rd. (53.55088, -2.81001)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Skelmersdale, England Lancs United Kingdom	A577 (Neverstitch Rd.) / School Ln. (53.55460, -2.80631)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
St Louis Park, MN Hennepin Co. United States	Cedar Lake Rd. / Zarthan Ave. (44.96544, -93.35534)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020
Horizon West, FL Orange Co. United States	Lake Hancock Blvd. / John Hancock Dr. (28.45882, -81.62045)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2013
Horizon West, FL Orange Co. United States	Summerport Village Pkwy. / Eden Isle Blvd. / Merrick Landing Blvd. / Blu Knight Ln. (28.47355, -81.58850)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2002
Willows at Lake Rhea, FL Orange Co. United States	Willow Gardens Dr. / Willow Brick Rd. (28.51391, -81.54793)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 76.2000	Other (At-Grade) Single-Lane		No splitter islands on two legs.
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/
Salem, MI Washtenaw Co. United States	Pontiac Trl. / 7 Mile Rd. (42.41368, -83.64647)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2020	https://www.wcroads.org/wcrc-project/pontiac-trail-and-7-mile-road-roundabout/
Delta, BC Greater Vancouver Canada	Tilbury Connector / Progress Way / 80 St. / (unknown) / (unknown) (49.14014, -123.00090)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 68.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2013
Delta, BC Greater Vancouver Canada	Delsom Crescent / Delsom Way (49.15497, -122.92664)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2008	Splitter islands added 2014-2015.
Chester, MD Queen Anne's Co. United States	Castle Marina Rd. / Bayberry Dr. (38.98086, -76.28905)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019).
Severna Park, MD Anne Arundel Co. United States	East West Blvd. / Jumpers Hole Rd. / Adler Ct. (39.10765, -76.58306)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 65.5320	Other (At-Grade) Single-Lane	1998	Elliptical shape. ICD 225 ft x 200 ft. Year Completed estimated (1994-2002).
Millersville, MD Anne Arundel Co. United States	Brightview Dr. / Galiot Dr. / Tremont Dr. (39.11196, -76.62028)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2008
Hanover, MD Anne Arundel Co. United States	Parkside Blvd. / Fredericksburg Rd. / Cornfield Ave. (39.13140, -76.75125)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2015
Gaithersburg, MD Montgomery Co. United States	Washingtonian Blvd. / Rio Blvd. (39.11678, -77.20122)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Year Completed estimated (1993-2002).
Gaithersburg, MD Montgomery Co. United States	Washingtonian Blvd. / Washington Blvd. (39.11773, -77.20314)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Year Completed estimated (1993-2002).
Severn, MD Anne Arundel Co. United States	Milestone Pkwy. / (unknown) (39.14341, -76.75076)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Year Completed estimated (2011-2014).
Severn, MD Anne Arundel Co. United States	Milestone Pkwy. / Clubhouse Dr. (39.14600, -76.74775)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Year Completed estimated (2011-2014).
Severn, MD Anne Arundel Co. United States	Milestone Pkwy. / Split Creek Ln. / (parking) (39.15042, -76.74668)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, unspecified)	2007
Darnestown, MD Montgomery Co. United States	Schaeffer Rd. / Germantown Park Dr. / Central Park Cir. (39.15003, -77.30152)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2004	Right-turn-only lane on northeast leg. Year Completed estimated (2002-2005).
Jessup, MD Anne Arundel Co. United States	Montevideo Rd. / Forest Ave. / Wigley Ave. (39.15966, -76.75916)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2007).
Columbia, MD Howard Co. United States	Owen Brown Rd. / Martin Rd. (39.19989, -76.86930)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2005).
Columbia, MD Howard Co. United States	Oakland Mills Rd. / MD 175 SB Ramps / (unknown) (39.21308, -76.83456)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Freeway Ramps (Grade-Separated) Single-Lane	2017	Year Completed estimated (2016-2017).