Roundabouts Database

28906 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
Basingstoke, England
Hants
United Kingdom 		West Ham Roundabout: B3400 (Churchill Way West - Worting Rd.) / Worting Rd. / Euskirchen Way / West Ham Close / Grafton Way
(51.26364, -1.11793) 		Roundabout
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Basingstoke, England
Hants
United Kingdom 		Sandys Roundabout: Worting Rd. / Sandys Rd. / Grafton Way
(51.26224, -1.11030) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Basingstoke, England
Hants
United Kingdom 		Western Way / Saint Peter's Rd.
(51.26083, -1.11154) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island
Basingstoke, England
Hants
United Kingdom 		A30 (Winchester Rd.) / A340 (Ringway West - Ringway South)
(51.25513, -1.10357) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Basingstoke, England
Hants
United Kingdom 		Black Dam Roundabout: A30 / A339
(51.26302, -1.06631) 		Other
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Some direct movements through central island.
Basingstoke, England
Hants
United Kingdom 		A339 / M3 Ramps
(51.25793, -1.06507) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
Netley, England
Hants
United Kingdom 		B3397 (Hamble Ln.) / Hound Rd.
(50.87622, -1.32865) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Basingstoke, England
Hants
United Kingdom 		A339 / Ronan Rd. / Rooksdown Ln.
(51.27795, -1.12523) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Pedestrian bridge over southeast leg.
Basingstoke, England
Hants
United Kingdom 		A339 / A340
(51.27558, -1.11235) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Basingstoke, England
Hants
United Kingdom 		Houndmills Roundabout: Houndsmill Rd. / Hamilton Close / Aldermanston Rd. / Kingsclere Rd. / Knights Park Rd. / (parking)
(51.27426, -1.10441) 		Roundabout
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Basingstoke, England
Hants
United Kingdom 		Victory Roundabout [Churchill Way / Alencon Link / Timberlake Rd.]
(51.26648, -1.09243) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Pedestrian tunnels under circulatory roadway through central island. Keep Clear markings on circulatory roadway.
Basingstoke, England
Hants
United Kingdom 		Thornycroft Roundabout [Churchill Way / Ringway West]
(51.26566, -1.10796) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Unknown
Multilane (2 Lane, unspecified)
Basingstoke, England
Hants
United Kingdom 		(unknown) / (parking)
(51.26455, -1.10554) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Basingstoke, England
Hants
United Kingdom 		Kempshott Roundabout [A30 (Winchester Rd.) / Woodbury Rd. / Heather Way]
(51.24108, -1.13296) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Spiral circulatory markings.
Basingstoke, England
Hants
United Kingdom 		Hatch Warren Roundabout [A30 (Winchester Rd.) / Wallop Dr.]
(51.23545, -1.14110) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Basingstoke, England
Hants
United Kingdom 		Old Common Rd. / London Rd. / Barbel Ave.
(51.26326, -1.06915) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Basingstoke, England
Hants
United Kingdom 		Roentgen Rd. / (parking)
(51.27254, -1.06136) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		No splitter islands.
Basingstoke, England
Hants
United Kingdom 		Daneshill Roundabout [Gresley Rd. / Faraday Rd. / Wade Rd. / Swing Swang Ln.]
(51.27587, -1.06685) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Lychpit, England
Hants
United Kingdom 		Great Binfields Rd. / Broadhusrt Grove / Olivers Walk
(51.27433, -1.05762) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Little Basing, England
Hants
United Kingdom 		Great Binfields Rd. / Harvest Way / Higher Mead
(51.27737, -1.05767) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Chineham, England
Hants
United Kingdom 		Binfields Roundabout [A33 / Great Binfields Rd. / (unknown)]
(51.28575, -1.06110) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Chineham, England
Hants
United Kingdom 		Thornhill Way / Reading Rd.
(51.29011, -1.05359) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Sherfield on Loddon, England
Hants
United Kingdom 		Taylors Farm Roundabout [A33 / Gaiger Ave.]
(51.30121, -1.04247) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Sherfield on Loddon, England
Hants
United Kingdom 		Gaiger Ave. / Rockbourne Rd.
(51.30258, -1.04560) 		Roundabout
Existing 		All-Way Yield
Unknown 		2 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Hook, England
Hants
United Kingdom 		Amport Rd. / Sunwood Dr.
(51.30322, -1.05095) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		No splitter islands on two legs.
East Hants, NS
Hants
Canada 		Hwy 14 E / County 224 / Hwy 102 EB ramps
(45.05516, -63.44175) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
40.4978 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 Year Completed estimated (2005-2011). ICD estimated from Google Maps linework.
East Hants, NS
Hants
Canada 		Hwy 14 / Hwy 102 SB
(45.05648, -63.44497) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 Year Completed estimated (2005-2011).
Windsor, NS
Hants
Canada 		Wentworth Rd. / Highway 101 NB Ramps / Morrison Dr.
(44.99165, -64.11267) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.5231 		Freeway Ramps (Grade-Separated)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Haparanda, Norrbotten County
Haparanda
Sweden 		Skrittvägen / Stallvägen
(65.84143, 24.11399) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
15.1526 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Haparanda, Norrbotten County
Haparanda
Sweden 		E4 / Skrittvägen
(65.84016, 24.11509) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
50.8372 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Haparanda, Norrbotten County
Haparanda
Sweden 		Rte 99 / Ahlmarksvägen / Norrskensvägen
(65.84498, 24.12435) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
35.1884 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Haparanda, Norrbotten County
Haparanda
Sweden 		R4 / Rte 99 / Västra Esplanaden
(65.84181, 24.12765) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
88.4706 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Haparanda, Norrbotten County
Haparanda
Sweden 		Västra Esplanaden / Norra Esplanaden
(65.83886, 24.12855) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
22.9757 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Haparanda, Norrbotten County
Haparanda
Sweden 		Köpmansgatan / Västra Esplanaden
(65.83508, 24.12959) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
26.4014 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Haparanda, Norrbotten County
Haparanda
Sweden 		E4 / Krannigatan / Storgatan
(65.84172, 24.13497) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
40.5695 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Haparanda, Norrbotten County
Haparanda
Sweden 		Krannigatan / Krannikatu
(65.84268, 24.13522) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
19.5508 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Haparanda, Norrbotten County
Haparanda
Sweden 		Köpmansgatan / Torgatan
(65.83543, 24.13655) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
14.6673 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Haparanda, Norrbotten County
Haparanda
Sweden 		Storgatan / Fredsgatan
(65.84039, 24.13747) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
24.9296 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Haparanda, Norrbotten County
Haparanda
Sweden 		E4 / Fredsgatan
(65.84153, 24.13793) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
39.1034 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
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)
Songbei District, Heilongjiang
Harbin
China 		Shimao Blvd. / Songbeiyi Rd. / G202 Ramps
(45.80664, 126.55306) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
Harderwijk, Gelderland
Harderwijk
Netherlands 		Deventerweg / De Wittenhagen / Nassaulaan
(52.33598, 5.63477) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Harderwijk, Gelderland
Harderwijk
Netherlands 		Deventerweg / Hertog Reinoudlaan
(52.33857, 5.63203) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Harderwijk, Gelderland
Harderwijk
Netherlands 		Hoofdweg / Vondellaan / Parkweg
(52.34298, 5.62961) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Harderwijk, Gelderland
Harderwijk
Netherlands 		Verkeersweg / Selhorstweg / Hoofdweg
(52.34540, 5.62610) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Concentric circulatory roadway striping.
Harderwijk, Gelderland
Harderwijk
Netherlands 		Bleek / Luttekepoortstraat / Selhorstweg / Hierdenseweg
(52.34844, 5.62334) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Harderwijk, Gelderland
Harderwijk
Netherlands 		Verkeersweg / Newtonweg / Ingenieur Leemansstraat / Alberdingk / Thijmlaan
(52.34909, 5.63241) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Harderwijk, Gelderland
Harderwijk
Netherlands 		Newtonweg / Langekamp
(52.35263, 5.63766) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Turbo roundabout.
Harderwijk, Gelderland
Harderwijk
Netherlands 		Newtonweg / Lorentzstraat
(52.35697, 5.64491) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Harderwijk, Gelderland
Harderwijk
Netherlands 		Newtonweg / Daltonstraat
(52.35887, 5.64846) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Hierden, Gelderland
Harderwijk
Netherlands 		Zuiderzeestraatweg / Newtonweg
(52.35377, 5.65321) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Hierden, Gelderland
Harderwijk
Netherlands 		Zuiderzeestraatweg / Molenweg
(52.35590, 5.67598) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Hierden, Gelderland
Harderwijk
Netherlands 		Zuiderzeestraatweg / Bilksdam
(52.35730, 5.68029) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Rineyville, KY
Hardin Co.
United States 		KY 220 / KY 1600 / Thompson Rd.
(37.75020, -85.96772) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2010 Yield-controlled right-turn lane on east leg.
Lumberton, TX
Hardin Co.
United States 		Chapel Creek Dr. / Spring Brook Ct.
(30.25542, -94.20976) 		Other
Existing 		All-Way Stop
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Elizabethtown, KY
Hardin Co.
United States 		Dolphin Dr. / Josale Dr.
(37.71112, -85.83757) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023
Elizabethtown, KY
Hardin Co.
United States 		New Glendale Rd. / Elizabethtown Bypass
(37.67603, -85.85938) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023
Elizabethtown, KY
Hardin Co.
United States 		Woodland Dr. / Hill St. / Layman Ln.
(37.71200, -85.87922) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2880 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023
Elizabethtown, KY
Hardin Co.
United States 		Public Square: US 31W (W Dixie Ave. - E Dixie Ave.) / N Main St. / S Main St.
(37.69311, -85.85806) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Building with pedestrian access in central island; parking along circulatory roadway.
Elizabethtown, KY
Hardin Co.
United States 		SR 251 (N Miles St.) / Beech St.
(37.70240, -85.85716) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023
Elizabethtown, KY
Hardin Co.
United States 		SR 251 (N Miles St.) / W French St. / Pear Orchard Rd.
(37.71166, -85.85296) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023
Elizabethtown, KY
Hardin Co.
United States 		SR 251 (N Miles St.) / St James Ave. / Panther Ln.
(37.70554, -85.85546) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023
Elizabethtown, KY
Hardin Co.
United States 		Executive Dr. / Commerce Dr.
(37.71041, -85.83313) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2023 https://www.youtube.com/watch?v=wc_yP-bpdug
Elizabethtown, KY
Hardin Co.
United States 		N Main St. / Crutcher St.
(37.69577, -85.85552) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021 https://www.wdrb.com/news/first-of-2-mini-roundabouts-opens-in-elizabethtown/article_f6754e22-c7d2-11eb-8603-df9381b56251.html
Elizabethtown, KY
Hardin Co.
United States 		N Main St. / Poplar St.
(37.69419, -85.85702) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021 https://www.wdrb.com/news/first-of-2-mini-roundabouts-opens-in-elizabethtown/article_f6754e22-c7d2-11eb-8603-df9381b56251.html
Fort Knox, KY
Hardin Co.
United States 		Chaffee Ave. / N Knox St. / Dixie St.
(37.89491, -85.95675) 		Other
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		No splitter islands.
Elizabethtown, KY
Hardin Co.
United States 		Hickory Ln. / Langley Trace
(37.68904, -85.89330) 		Other
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Elizabethtown, KY
Hardin Co.
United States 		Blue Heron Way / Freeman Lake Park Rd.
(37.72353, -85.87678) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on three legs.
Elizabethtown, KY
Hardin Co.
United States 		SR 251 (N Miles St.) / W Poplar St.
(37.69707, -85.86198) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023
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.
Neder-Hardinxveld, South Holland
Hardinxveld-Giessendam
Netherlands 		Nieuweweg / Wieling / Hakgriend
(51.82584, 4.84477) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
24.3593 		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.
Bel Air North, MD
Harford Co.
United States 		Water Tower Way / Bynum Rd.
(39.56671, -76.35712) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2019 http://harfordcountymd.gov/ArchiveCenter/ViewFile/Item/1683
Bel Air North, MD
Harford Co.
United States 		Red Pump Rd. / Yankee Doodle Dr.
(39.54551, -76.37994) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2010
Bel Air South, MD
Harford Co.
United States 		Woodsdale Rd. / Box Hill Corporate Center Dr. / (parking)
(39.46498, -76.31016) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2013-2015).
Abingdon, MD
Harford Co.
United States 		Laurel Bush Rd. / E Wheel Rd.
(39.49411, -76.31652) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011).
Havre de Grace, MD
Harford Co.
United States 		Chapel Rd. / Bulle Rock Pkwy.
(39.55465, -76.12813) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.9922 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Havre de Grace, MD
Harford Co.
United States 		Blenheim Farm Ln. / Bounding Home Ct.
(39.54665, -76.13521) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.3915 		Other (At-Grade)
Single-Lane 		2006 Painted splitter islands on north and south legs, no splitter islands on east and west legs. ICD estimated from Google Maps linework.
Abingdon, MD
Harford Co.
United States 		Merchants Blvd. / Wegmans Blvd.
(39.46815, -76.30901) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.5039 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Tollgate Rd. / Macphail Rd.
(39.51959, -76.35208) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.8120 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2012
Aberdeen, MD
Harford Co.
United States 		Philadelphia Rd. (MD 7) / Ashford Dr.. / Panell Dr.
(39.48593, -76.23873) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.4792 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States 		Tralee Cir. / Ashford Dr.
(39.48395, -76.23831) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.8100 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States 		Burnt Hill Trl. / Atlas Cedar Way / Thistle Hill Dr.
(39.49324, -76.22236) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.1799 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States 		Burnt HIll Trl. / Witch Hazel Way / Limestone Ct.
(39.49486, -76.22046) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.1791 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States 		Thistle Hill Dr. / Witchhazel Way
(39.49563, -76.22415) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.3355 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States 		Burnt Hill Trl. / Holly Oak Cir. / Woods Line Dr.
(39.49605, -76.21740) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8055 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Abingdon, MD
Harford Co.
United States 		Tollgate Rd. / Singer Rd.
(39.47828, -76.32727) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8121 		Other (At-Grade)
Single-Lane 		1998 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Fountain Green, MD
Harford Co.
United States 		Prospect Mill Rd. / Wagner Rd.
(39.55824, -76.30247) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.3072 		Other (At-Grade)
Single-Lane 		2002 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 Functional Class: Collector ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Moores Mill Rd. / Brushing Ln.
(39.54368, -76.32365) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.6298 		Other (At-Grade)
Single-Lane 		2001 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Frogtown, MD
Harford Co.
United States 		Mardic Dr. / Willrich Ct.
(39.57178, -76.37160) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.3011 		Other (At-Grade)
Single-Lane 		2001 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Tollgate Rd. / Wheel Rd.
(39.48999, -76.32914) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.5729 		Other (At-Grade)
Single-Lane 		1999 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		MD 7 / Holly Oaks Drive
(39.48848, -76.21669) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.1039 		Other (At-Grade)
Single-Lane 		1999 Opened September 1999. ICD estimated from Google Maps linework.
North Harford, MD
Harford Co.
United States 		MD 165 / MD 24
(39.67220, -76.40930) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.1750 		Other (At-Grade)
Single-Lane 		2000 Rural Previously controlled by two-way stop ICD estimated from Google Maps linework.
Abingdon, MD
Harford Co.
United States 		Tollgate Rd. / Montrose Way
(39.48198, -76.32751) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.5762 		Other (At-Grade)
Single-Lane 		2003 Elementary school and library to north, another school to south. Functional Class: Collector ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Tollgate Rd. / Westover Ln. / Crisfield Dr.
(39.46859, -76.32162) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.7377 		Other (At-Grade)
Single-Lane 		2002 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Tollgate Rd. / Marketplace Dr.
(39.52092, -76.35262) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.5602 		Other (At-Grade)
Single-Lane 		1996 Three leg, off-set roundabout - off-set due to lack of r/w on top side of Functional Class: Collector ICD estimated from Google Maps linework.
Forest Hill, MD
Harford Co.
United States 		MD 23 / Commerce Rd.
(39.57390, -76.37067) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2008 On August 9, 2008 a new roundabout opened on Maryland Route 23 and an extended Commerce Drive in Forest Hill (Harford County), Maryland. It was built by a private developer to improve access to the Forest Hill Industrial Park by using Route 23, a limited access highway, rather than the current access road to Commerce Drive, Jarrettsville Road, which is primarily a residential route.
Bel Air, MD
Harford Co.
United States 		Constant Friendship Blvd. / BJ's
(39.45546, -76.31870) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
29.5092 		Other (At-Grade)
Single-Lane 		1995 Functional Class: Local ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States 		Beards Hill Rd. / Middleton Rd. / Olympic Square
(39.52719, -76.17773) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.6364 		Other (At-Grade)
Single-Lane 		2019 https://www.baltimoresun.com/maryland/harford/aegis/cng-ag-aberdeen-roundabout-opens-0927-20190926-2itkrrn43jctnkw2ch6et7ky7m-story.html ICD estimated from Google Maps linework.