Roundabouts Database

29372 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
Ingersoll, ON
Oxford
Canada 		Plank Line (Hwy 19) / Harris St. (Hwy 119) / Hwy 401 WB Ramps
(43.02839, -80.85549) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Merging right-turn bypass lanes on northwest and northeast legs.
Lynchburg, VA
Lynchburg City
United States 		Liberty Mountain Dr. / US 29-US 460 (Richmond Hwy.) EB Ramps
(37.34892, -79.17636) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Single-Lane 		Merging right-turn bypass lanes on northwest and northeast legs. Year Completed estimated (2019-2021).
Colleyville, TX
Tarrant Co.
United States 		Glade Rd. / Pool Rd.
(32.88182, -97.12509) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2010 Merging right-turn bypass lanes on south and east legs.
Ingersoll, ON
Oxford
Canada 		Plank Line (Hwy 19) / Hwy 401 EB Ramps
(43.02638, -80.85271) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Merging right-turn bypass lanes on southwest and southeast legs.
Littleton, CO
Jefferson Co.
United States 		S Platte Canyon Rd. / S Kendall Blvd. / W Chatfield Ave.
(39.56787, -105.06207) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.3029 		Other (At-Grade)
Single-Lane 		2018 Merging right-turn bypass lanes on west and south legs. Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada 		Jockvale Rd. / Exeter Dr. / Tartan Dr.
(45.27044, -75.75439) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.9398 		Other (At-Grade)
Single-Lane 		2005 Met warrants for signals. Functional Class: Major Collector ICD estimated from Google Maps linework.
Tucson, AZ
Pima Co.
United States 		Kolb Rd. / E Territory Dr.
(32.30652, -110.84391) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2022 Metal art in central island.
Kew, VIC
Boroondara
Australia 		SR 21 (Princess St.) / Willsmere Rd. / Eglinton St. / Willis St. / Main Dr.
(-37.79910, 145.03025) 		Roundabout
Existing 		All-Way Yield
Metering Signal 		6 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Metering signal on north leg. Pedestrian signal on south leg.
Bendigo, VIC
Greater Bendigo
Australia 		B280 (McIvor Rd.-Chapel St.) / C332 (Myers St.) / Lyttleton Terr.
(-36.75836, 144.28736) 		Roundabout
Existing 		All-Way Yield
Metering Signal 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Metering signal on northwest leg.
Greensborough, VIC
Nillumbik
Australia 		SR 46 (Greensborough Hwy.) / Diamond Creek Rd. / Civic Dr.
(-37.68909, 145.11328) 		Roundabout
Existing 		All-Way Yield
Pedestrian Signal (red-yellow-green to drivers) 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Metering signals installed 2006 on northwest leg (AM peak) and southeast leg (PM peak). Bus bypass lanes and pedestrian crosswalks installed 2014.
Melbourne, VIC
Kingston
Australia 		SR 15 (Warrigal Rd.) / Como Parade
(-37.98813, 145.07025) 		Roundabout
Existing 		All-Way Yield
Metering Signal 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Metering signals installed 2009 separately for AM and PM peaks.
Westmeadows, VIC

Australia 		SR 39 (Mickleham Rd.) / SR 48 (Broadmeadows Rd.)
(-37.68142, 144.88380) 		Roundabout
Existing 		All-Way Yield
Metering Signal 		3 Approaches
0 Driveways
70.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Metering signals on south leg for AM peak and on east leg for PM peak. Bus queue bypass lanes and east leg metering signal added 2014.
Vrabnitsa, Sofia City
Sofia
Bulgaria 		bulevard Lomsko shose / ulitsa Ostrov
(42.74044, 23.28740) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Metro station above roundabout.
Murfreesboro, TN
Rutherford Co.
United States 		MTSU Blvd. / Blue Raider Dr
(35.84867, -86.35948) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5318 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Middle Tennessee State University campus. ICD estimated from Google Maps linework.
Grand Falls-Windsor, NL
Newfoundland and Labrador
Canada 		High St. / Mill Rd. / Church Rd. / Cabot Rd.
(48.92798, -55.65984) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
28.2486 		Other (At-Grade)
Single-Lane 		1909 Mill St approach has Yield sign; other approaches have no control signage.(streetview) Built in early days of city, c. 1909. Beacon, known as "the Dummy", in center island. https://www.tac-atc.ca/sites/default/files/conf_papers/macdonaldm_and_allairef_-_the_evolution_of_roundabouts_in_nl.pdf ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States 		Bella Tesoro St. / (unknown)
(26.02674, -81.64826) 		Unknown
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 Minimal splitter islands on northwest, southwest, and southeast legs. Year Completed estimated (2018-2020).
Lees Summit, MO
Jackson Co.
United States 		SW Arborway Dr. / SW Wysteria Dr. / SW Wysteria Terr.
(38.85763, -94.39962) 		Roundabout
Existing 		Unknown
None 		4 Approaches
0 Driveways
24.1808 		Other (At-Grade)
Single-Lane 		2005 Minimal splitter islands on three legs; no splitter island on east leg. Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
Cedar Park, TX
Williamson Co.
United States 		Lynnwood Trl. / E Park St.
(30.51423, -97.81197) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2002 Minimal splitter islands on two legs.
Cedar Park, TX
Williamson Co.
United States 		Crockett Rd. / Truman Ln.
(30.51700, -97.80960) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6710 		Other (At-Grade)
Single-Lane 		2002 Minimal splitter islands.
Ottawa, ON
City of Ottawa
Canada 		Cresthaven Dr. / Waterbridge Dr.
(45.28097, -75.70818) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.6990 		Other (At-Grade)
Single-Lane 		2001 Minimal splitter islands. ICD estimated from Google Maps linework.
South Jordan, UT
Salt Lake Co.
United States 		Blue Mesa Way / Lake Bridge Dr. / Braidwood Dr.
(40.55113, -111.98904) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.4843 		Other (At-Grade)
Single-Lane 		2007 Minimal splitter islands. ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States 		Illinois St. / (unknown)
(39.73540, -105.21057) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.5747 		Other (At-Grade)
Single-Lane 		2002 Minimal splitter islands. No detectable warnings for the one pedestrian crossing. ICD estimated from Google Maps linework.
Paloma, FL
Palm Beach Co.
United States 		Aviles Cir. / Pacifico Ct.
(26.85738, -80.10605) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2008 Minimal splitter islands. One-stage pedestrian crossings. Year Completed estimated (2007-2008).
Ottawa, ON
City of Ottawa
Canada 		Cresthaven Dr. / Fairpark Dr. / Timberline Private
(45.27486, -75.70937) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7465 		Other (At-Grade)
Single-Lane 		2002 Minimal splitter islands. Functional Class: Local ICD estimated from Google Maps linework.
Eastgate, WA
King Co.
United States 		SE 40th St. / 138th Ave. SE
(47.57459, -122.15670) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.2865 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2019 Mini-roundabout adjacent Tyee Middle School, completed October 2019. ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		E. Mountain View Rd. / N. Central Ave.
(33.57510, -112.07360) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
16.9162 		Other (At-Grade)
Single-Lane 		2006 Mini-roundabout ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		N. 43rd St. / E. Stanford Dr.
(33.51700, -111.98930) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
46.7997 		Other (At-Grade)
Single-Lane 		2005 Mini-roundabout ICD estimated from Google Maps linework.
Renton, WA
King Co.
United States 		SE 176th St. / SE 171st Way
(47.44500, -122.14831) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.4239 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2019 Mini-roundabout in a suburban neighborhood context, completed November 2019. ICD estimated from Google Maps linework.
Rochester, MN
Olmsted Co.
United States 		Bella Terra Rd. NE / Shannon Oaks Blvd. NE
(44.03676, -92.41353) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.8600 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023 Mini-roundabout.
Phoenix, AZ
Maricopa Co.
United States 		Aviano Way / (unknown)
(33.68941, -111.99350) 		Rotary
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
79.4999 		Other (At-Grade)
Single-Lane 		Mini-roundabout. Completed 2005. ICD estimated from Google Maps linework.
Stevensville, MD
Queen Annes Co.
United States 		Thompson Creek Rd. / US 50 EB Ramps
(38.97599, -76.31046) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
16.7127 		Freeway Ramps (Grade-Separated)
Single-lane w/ Traversable Central Island 		2007 Mini-roundabout. ICD estimated from Google Maps linework.
Lewisville, NC
Forsyth Co.
United States 		Concord Church Rd. / US 421 NB Ramps
(36.09143, -80.42963) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.8835 		Freeway Ramps (Grade-Separated)
Single-Lane 		2003 Mirror image of other ramp. ICD estimated from Google Maps linework.
Timişoara, Timiş

Romania 		E70 (Strada Oituz - Bulevardul Take Ionescu) / Strada Martin Luther
(45.75799, 21.23279) 		Signalized Roundabout/Circle
Existing 		Other
Other 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Mix of signal and yield controls.
Tarbock, England
Merseyside
United Kingdom 		Tarbock Roundabout: M57 Ramps / M62 Ramps / A5080 (Tarbock Rd. / Cronton Rd.) / Windy Arbor Rd.
(53.39830, -2.80852) 		Other
Existing 		Other
None 		7 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		Mix of signals and yields.
Crofton, MD
Anne Arundel Co.
United States 		Cardinal Crest Dr. / Hallwood Ct. / Dalewood Ct. / Thornbury Ct.
(38.99364, -76.67343) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Mix of stop and uncontrolled; no splitter islands.
Elefsina, Attica
West Attica
Greece 		Iera Odos / Anastasiou ke Ioannou Mouriki
(38.04452, 23.54436) 		Other
Existing 		Other
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Mix of stop and yield control on entry.
Chalco, NE
Sarpy Co.
United States 		Meadows Pkwy. / Meadow Ridge Rd.
(41.17162, -96.13438) 		Other
Existing 		Other
None 		3 Approaches
1 Driveways
82.6008 		Other (At-Grade)
Single-Lane 		1979 Mix of stop and yield control on entry.
Cagliari, Sardinia
Cagliari
Italy 		Viale Poetto / Via Lungo Saline / Via Marina Piccola
(39.19421, 9.15682) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Mix of stop and yield control on entry.
Monserrato, Sardinia
Cagliari
Italy 		Via Riu Mortu / Via Cesare Cabras / Viale Trieste / Via Giuseppe Zuddas
(39.25227, 9.14655) 		Other
Existing 		Other
Unknown 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		Mix of stop and yield control on entry.
Vincentown, NJ
Burlington Co.
United States 		Rte 70 / Rte 72 / Four Mile Rd. / Magnolia Rd.
(39.89892, -74.59641) 		Rotary
Existing 		Other
None 		5 Approaches
0 Driveways
129.5400 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control on entry. ICD = 500 ft x 350 ft.
Westborough, MA
Worcester Co.
United States 		E Main St. / Milk St. / South St. / Brigham St.
(42.26951, -71.61304) 		Other
Existing 		Other
Unknown 		5 Approaches
0 Driveways
39.7706 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Mix of stop and yield control, parking along circulatory roadway, pedestrian access to central island. ICD estimated from Google Maps linework.
Shipyard, SC
Beaufort Co.
United States 		Shipyard Dr. / Evan Way / Cordillo Pkwy.
(32.15491, -80.74470) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
65.5320 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control.
Las Vegas, NV
Clark Co.
United States 		S Grand Canyon Pkwy. / (parking lots)
(36.11311, -115.30900) 		Other
Existing 		Other
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control.
Mellieha,

Malta 		Rte 1 / (unknown)
(35.96942, 14.34989) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Mix of stop and yield control.
Pelotas, Rio Grande do Sul

Brazil 		Avenida Theodoro Müller / Avenida Jovo Goulart / Avenida Francisco Caruccio
(-31.74131, -52.36411) 		Other
Existing 		Other
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Mix of stop and yield control.
Jupiter, FL
Palm Beach Co.
United States 		Cortona Blvd. / Carina Dr.
(26.92446, -80.15919) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Mix of stop and yield control.
San Marcos, CA
San Diego Co.
United States 		Village Dr. / Carnation Ct.
(33.12285, -117.16747) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control.
Watertown, NY
Jefferson Co.
United States 		Park Circle
(43.96723, -75.88971) 		Other
Existing 		Other
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Mix of stop and yield control.
St Johns, FL
St. Johns Co.
United States 		Maplewood Dr. / Buckeye Ln.
(30.11013, -81.60070) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
34.0946 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control. ICD estimated from Google Maps linework.
Frankfort, KY
Franklin Co.
United States 		Capital Ave. / E State St.
(38.18832, -84.87520) 		Other
Existing 		Other
None 		4 Approaches
0 Driveways
29.1004 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control. ICD estimated from Google Maps linework.
College Park, MD
Prince George's Co.
United States 		Dupont Circle
(38.95971, -76.93792) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control. No splitter islands.
St Johns, FL
St. Johns Co.
United States 		Heron Landing Rd. / Sanctuary Dr.
(30.08552, -81.53676) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
38.2368 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control. No splitter islands. Pedestrian crossings at edge of circulatory roadway. ICD estimated from Google Maps linework.
Hyde Park, CA
Los Angeles Co.
United States 		W 76th St. / 5th Ave.
(33.97089, -118.32213) 		Other
Existing 		Other
None 		4 Approaches
0 Driveways
44.5717 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control. Painted splitter islands. ICD estimated from Google Maps linework.
Los Angeles, CA
Los Angeles Co.
United States 		W 76th St. / S Gramercy Pl.
(33.97093, -118.31339) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
44.5717 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control. Painted splitter islands. ICD estimated from Google Maps linework.
Anaheim, CA
Orange Co.
United States 		Transit Plaza
(33.79806, -117.92072) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Mix of stop and yield.
Gorizia, Friuli-Venezia Giulia
Gorizia
Italy 		Rotonda Divisione Gorizia [SR56 (Ponte 8 Agosto) / Via Aquileia / Lungo Isonzo Argentina / Via della Barca]
(45.93456, 13.60023) 		Other
Existing 		Other
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Mix of stop signs and yield signs on entry.
Garner, NC
Wake Co.
United States 		Pergo Pkwy. / Waterfield Ridge Pl.
(35.68826, -78.56451) 		Other
Existing 		Other
None 		3 Approaches
0 Driveways
34.9213 		Other (At-Grade)
Single-Lane 		1996 Mix of stop, yield, and uncontrolled approaches. Year Completed estimated (1993-1998). ICD estimated from Google Maps linework.
Guaynabo, PR
Frailes Barrio
United States 		Avenida B / Calle A
(18.37322, -66.11382) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Mix of stop, yield, and uncontrolled movements.
Aliso Viejo, CA
Orange Co.
United States 		(parking lot)
(33.56895, -117.72473) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
21.8931 		Other (At-Grade)
Single-Lane 		Mix of stop-controlled and uncontrolled approaches. ICD estimated from Google Maps linework.
Rancho Santa Margarita, CA
Orange Co.
United States 		Auto Center Dr. / (parking lot)
(33.64100, -117.60714) 		Other
Existing 		Other
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Mix of uncontrolled and stop-signs
College Park, MD
Prince George's Co.
United States 		Campus Dr. / Regents Dr.
(38.98762, -76.94019) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
58.4848 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Mix of Yield and Stop signs (3 Yields; 1 Stop) at approaches. ICD estimated from Google Maps linework.
Saint Lucie West, FL
St. Lucie Co.
United States 		NW Vizcaya Falls / NW Cataluna Cir.
(27.35695, -80.38274) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Mix of yield and uncontrolled entries.
Boca Raton, FL
Palm Beach Co.
United States 		E Royal Palm Rd. / Plaza Real S
(26.34991, -80.08489) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Mix of yield and uncontrolled.
Youngsville, LA
Lafayette Par.
United States 		Centre Sal Celle Blvd. / (parking)
(30.10836, -92.01747) 		Other
Existing 		Other
Unknown 		4 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Mix of yield-controlled and uncontrolled entries.
Polychrome Historic District, MD
Prince George's Co.
United States 		IKEA Center Blvd. / Milestone Way
(39.02224, -76.92650) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Mix of yield-controlled and uncontrolled entries.
Havana, Havana

Cuba 		Calle 114 / Carretera a Rancho Boyeros
(23.04930, -82.41934) 		Rotary
Existing 		Other
Unknown 		3 Approaches
0 Driveways
127.4821 		Other (At-Grade)
Multilane (3+ Lane) 		Mix of yield-controlled and uncontrolled entries. ICD estimated from Google Maps linework.
Fayetteville, NC
Cumberland Co.
United States 		Singletree Ln. / Hacienda Dr. / Hackamore St.
(34.99690, -78.95249) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
40.1133 		Other (At-Grade)
Single-Lane 		1996 Mixed stop/uncontrolled. Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Fleming, NY
Cayuga Co.
United States 		W Lake Rd. / White Bridge Rd. / Lake Ave. / Sand Beach Rd. / (park access)
(42.90470, -76.54446) 		Rotary
Existing 		Other
None 		5 Approaches
0 Driveways
109.7280 		Other (At-Grade)
Single-Lane 		Mixture of Yield and Stop signs.
Davis, CA
Yolo Co.
United States 		Anderson Rd. / Alvarado Ave.
(38.56210, -121.75850) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.2149 		Other (At-Grade)
Single-Lane 		1997 Moderate to high pedestrian and bicycle volume. Located in residential area frequented by commuters to University of California at Davis. ICD estimated from Google Maps linework.
Clearwater, FL
Pinellas Co.
United States 		SR 60 / Coronado Dr. (SR 699) / Mandalay Ave. / Poinsettia Ave. (Gateway Roundabout)
(27.97752, -82.82709) 		Roundabout
Existing 		All-Way Yield
Metering Signal 		6 Approaches
0 Driveways
68.5587 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1999 Modified 2002-2004 to change geometry and striping, and remove fountain. 21442
Hilliard, OH
Franklin Co.
United States 		Main St. / Scioto Darby Rd.
(40.02892, -83.16108) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8637 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2010 Modified 2011-2014 to change lane configuration. Central island was re-shaped using qwik-curb in 2019; permanent modifications to central island & splitter islands (including addition of raised crosswalks) were completed in July 2021. 21442
Venice, FL
Sarasota Co.
United States 		Jacaranda Blvd. / Venice Ave.
(27.09950, -82.38444) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
79.2480 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2011 Modified 2017 to change lane configuration and address crash issues. 21442
Dublin, OH
Franklin Co.
United States 		SR 161 (W Dublin Granville Rd.-E Bridge St.) / Riverside Dr. (US 33-SR 257)
(40.09964, -83.10936) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
70.1040 		Other (At-Grade)
Multilane (3+ Lane) 		2016 Modified 2018 to reduce lane configuration. https://www.thisweeknews.com/news/20191022/dublin-officials-say-161-riverside-roundabout-fixes-lessen-crashes . 21442
Palmdale, CA
Los Angeles Co.
United States 		Palmdale Blvd. (SR 138) / 47th St. / 50th St.
(34.58010, -118.04510) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Modified 2019-2020 to add lanes. 21442
Scottsdale, AZ
Maricopa Co.
United States 		N. 74th St. / E. Sweetwater Ave.
(33.60395, -111.92155) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Unknown 		2003 Modified by City in 2005 to improve operation as roundabout. 21442
Durham, NC
Durham Co.
United States 		Glendale Ave. / Washington St.
(36.02251, -78.90046) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.7744 		Other (At-Grade)
Single-Lane 		2000 Modified circle, part of I-85 detour route. ICD estimated from Google Maps linework.
La Quinta, CA
Riverside Co.
United States 		Avenida Montezuma / Avenida Navarro
(33.67616, -116.30460) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2007 Modified from former geometrics to conform to roundabout. 21442
Buffalo, NY
Erie Co.
United States 		Gates Circle (Delaware Ave. / Lafayette Ave.)
(42.92054, -78.86776) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
66.4699 		Other (At-Grade)
Unknown 		2002 Modified in 2002 to incorporate roundabout principles. ICD estimated from Google Maps linework. 21442
Apex, NC
Wake Co.
United States 		Blackburn Rd. / Orchard Villas Ave.
(35.74781, -78.86505) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
27.1406 		Other (At-Grade)
Single-Lane 		2008 Modified in 2012 to add splitter islands. ICD estimated from Google Maps linework. 21442
Hilliard, OH
Franklin Co.
United States 		Britton Pkwy. / Anson Dr.
(40.04156, -83.13125) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Modified striping to eliminate fishhooks & convert to 2x1 in 2020 (converted EB from Thru/RT to RT only).
Hillard, OH
Franklin Co.
United States 		Britton Pkwy. / Davidson Rd.
(40.04977, -83.13399) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Modified striping to remove fishhooks in 2019.
Grays, England
Essex
United Kingdom 		A1306 / B186
(51.48926, 0.27230) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
89.2395 		Other (At-Grade)
Single-Lane 		Modified with striped spirals to be single-lane. ICD estimated from Google Maps linework. 21442
San Diego, CA
San Diego Co.
United States 		Florida Dr. / Morley Field Dr.
(32.73983, -117.14367) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022 Modular (quick build) construction. https://www.californiaconstructionnews.com/2022/10/01/construction-starts-on-modular-roundabout-quick-build/
Chesterfield, VA
Chesterfield Co.
United States 		Otterdale Rd. / Hampton Park Dr.
(37.39585, -77.70733) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 Modular roundabout. http://www.virginiadot.org/newsroom/richmond/2020/modular-roundabout-installations-complete-in-chesterfield-county10-1-2020.asp
Chesterfield, VA
Chesterfield Co.
United States 		Otterdale Rd. / Harpers Mill Pkwy.
(37.38280, -77.70556) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 Modular roundabout. http://www.virginiadot.org/newsroom/richmond/2020/modular-roundabout-installations-complete-in-chesterfield-county10-1-2020.asp
Midlothian, VA
Chesterfield Co.
United States 		Spring Run Rd. / Bailey Bridge Rd. / Springford Pkwy.
(37.38447, -77.65050) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 Modular roundabout. http://www.virginiadot.org/newsroom/richmond/2020/modular-roundabout-installations-complete-in-chesterfield-county10-1-2020.asp
Annandale, VA
Fairfax Co.
United States 		Ravensworth Rd. / Jayhawk St. / Fountain Head Dr.
(38.82630, -77.19993) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
22.8600 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2018 Modular, rapid-install roundabout.
Indianapolis, IN
Marion Co.
United States 		Castle Creek Pkwy North Dr. / Castle Creek Pkwy East Dr.
(39.91590, -86.06950) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
54.0460 		Other (At-Grade)
Single-Lane 		More of a traffic circle than a roundabout. ICD estimated from Google Maps linework.
Indianapolis, IN
Marion Co.
United States 		Monument Circle [Market St. / Meridian St.]
(39.76848, -86.15804) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1820 Most famous traffic circle in the State of Indiana. Completed 1820.
Maple Grove, MN
Hennepin Co.
United States 		Jonquil Ln. / 85th Ave.
(45.10938, -93.43398) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
57.3175 		Other (At-Grade)
Single-Lane 		2001 Mountable splitter islands, driverways in circle, parking in circle, pedestrian amenity in central island. Functional Class: Local ICD estimated from Google Maps linework.
Wake Forest, NC
Wake Co.
United States 		South Ave. (NC 98-US 1 Alt) / S Main St.
(35.97893, -78.51203) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
21.2627 		Other (At-Grade)
Single-Lane 		2006 Moving Ahead project. ICD estimated from Google Maps linework.
Patcham, England
Brighton and Hove
United Kingdom 		A23 (London Rd.) / Carden Rd.
(50.85664, -0.15380) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Multilane mini-roundabout.
Palm Harbor, FL
Pinellas Co.
United States 		US 19 Alternate (Palm Harbor Blvd.) / Florida Ave.
(28.07797, -82.76724) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 Multiuse trail on west side of roundabout. https://www.fdottampabay.com/project/486/437636-1-52-01
Liberty Hill, TX
Williamson Co.
United States 		Loop 332 / CR 279 / Munro St.
(30.66338, -97.92119) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 Munro St is exit only. https://www.facebook.com/CityofLibertyHill/videos/roundabout/1258995458128112/
Milwaukee, WI
Milwaukee Co.
United States 		W Locust St. / N 21st St.
(43.07156, -87.96447) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
16.1541 		Other (At-Grade)
Single-Lane 		2022 N 21st St. is one-way northbound.
Chattanooga, TN
Hamilton Co.
United States 		SR 153 SB Ramps / N. Access Rd. / TVA offices
(35.10868, -85.23122) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
97.7036 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 N Access Road is a 4 lane arterial road. Fatal crash April 4, 2010. 11861-05. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Yacht Harbor Drive
(45.60542, -122.66034) 		Other
Existing 		All-Way Yield
Unknown 		1 Approaches
2 Driveways
25.9020 		Other (At-Grade)
Single-Lane 		2006 N end of Yacht Harbor Drive, yield entry at south, driveway at west and driveway at east. ICD estimated from Google Maps linework.
Kilpedder, Co Wicklow

Ireland 		R772 / N11 SB On-Ramp / Garden Village Ct.
(53.10054, -6.10651) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Single-Lane 		N11 SB On-Ramp is outbound only.
Sarasota, FL
Sarasota Co.
United States 		Honore Ave. / Camus St.
(27.33355, -82.46388) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.6465 		Other (At-Grade)
Single-Lane 		2010 NB and SB right turn lanes. ICD estimated from Google Maps linework.
Carson City, NV
Carson City Co.
United States 		Arrowhead Dr. / I-580 NB Ramps / Imus Rd.
(39.19840, -119.77380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.6923 		Freeway Ramps (Grade-Separated)
Single-Lane 		2002 NB off-ramp for Carson City Freeway (I-580) and extension of Imus Road. Overpass and roundabouts completed in 2002. ICD estimated from Google Maps linework.