28798 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
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.
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.
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.
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.
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.
West Chester, OH
Butler Co.
United States
Lesourdsville West Chester Rd. / Becket Ridge Blvd.
(39.34459, -84.41655)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
39.6240
Other (At-Grade)
Single-Lane
2020 Near a junior high school. https://www.journal-news.com/news/newest-roundabout-opens-in-west-chester-as-dangerous-intersection-work-begins/PWKR73DU2VD53AOPGDM3VII2U4/
Argyle, TX
Denton Co.
United States
Cook St. / Boonesville Bend / Nora Ln. / Ellison Trace
(33.10503, -97.18643)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2014 Near Argyle High School. Painted splitter islands.
Lenexa, KS
Johnson Co.
United States
Marshall Dr. / W 95th St. WB Connector
(38.95709, -94.73438)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
37.1492
Other (At-Grade)
Single-Lane
2016 Near diverging diamond interchange. https://www.ksdot.org/Assets/wwwksdotorg/Headquarters/PDF_Files/2016-11-28_ProjectUpdate12_Web_FINAL_FactSheet-LowRes.pdf . ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States
Marshall Dr. / W 95th St. EB Connector
(38.95590, -94.73460)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.3636
Other (At-Grade)
Single-Lane
2016 Near diverging diamond interchange. https://www.ksdot.org/Assets/wwwksdotorg/Headquarters/PDF_Files/2016-11-28_ProjectUpdate12_Web_FINAL_FactSheet-LowRes.pdf . ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NE 15th St. / Bear Creek Rd.
(44.05150, -121.28400)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.9018
Other (At-Grade)
Single-Lane
2005 Near elementary school. Crossing guard operation. ICD estimated from Google Maps linework.
Charlotte, NC
Mecklenburg Co.
United States
E. 9th St. / N. Davidson St.
(35.22668, -80.83273)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.9516
Other (At-Grade)
Single-Lane
2006 Near elementary school. ICD estimated from Google Maps linework.