City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
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. |
Estero,
FL Lee Co. United States |
Williams Rd. / Chapel Trace (26.41990, -81.83160) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 29.9485 |
Other (At-Grade) Single-Lane |
2006 | Near Estero High School. ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
SW Columbia St. / SW Simpson Ave. (44.04820, -121.32716) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2021 | Near fire station. |
El Paso,
TX El Paso Co. United States |
Sun Bowl Dr. / University Dr. (31.76872, -106.50750) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2010 | Near football stadium. |
Greenfield,
IN Hancock Co. United States |
Broadway St. / McKenzie Rd. (39.79925, -85.77997) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.8685 |
Other (At-Grade) Single-Lane |
2004 | Near Greenfield-Central High School. http://www.indystar.com/apps/pbcs.dll/article?AID=/20071003/LOCAL/710030465/-1/LOCAL17 ICD estimated from Google Maps linework. |
Rochester Hills,
MI Oakland Co. United States |
Tienken Rd. / Sheldon Rd. (42.69626, -83.12320) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.6224 |
Other (At-Grade) Single-Lane |
2001 | Near Hart Middle School and Stoney Creek High School. Functional Class: Local ICD estimated from Google Maps linework. |
Coeur dAlene,
ID Kootenai Co. United States |
4th St. / Margaret Ave. (47.71537, -116.77880) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.1602 |
Other (At-Grade) Single-Lane |
2003 | Near high school. ICD estimated from Google Maps linework. |
Acoma Indian Reservation,
NM McKinley Co. United States |
Silver Dollar Rd. / Veterans Blvd. (35.07119, -107.56000) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 43.0093 |
Other (At-Grade) Single-Lane |
2010 | Near Hospital, low ADT, series of 3 roundabouts. ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
King Ave. / Olympic Blvd. (45.75507, -108.61360) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.1658 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | Near Kohl's retail shopping center. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Redmond,
WA King Co. United States |
152nd Ave. NE / NE 36th Pl. / NE 31st St. (47.63828, -122.13550) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.3615 |
Other (At-Grade) Single-Lane |
2010 | Near Microsoft campus. Moderate ped/bike volumes. ICD estimated from Google Maps linework. |
Sharon,
PA Mercer Co. United States |
Connelly Blvd. / Dock St. (41.23144, -80.50617) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signal/Beacon |
4 Approaches 1 Driveways 44.9099 |
Other (At-Grade) Single-Lane |
2018 | Near railroad crossing with flashing lights but no gates. ICD estimated from Google Maps linework. |
Watertown,
WI Jefferson Co. United States |
Jefferson Rd. / CTH Y (43.15325, -88.75062) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5944 |
Other (At-Grade) Single-Lane |
2010 | Near railroad crossing. ICD estimated from Google Maps linework. |
Branson,
MO Taney Co. United States |
Branson Landing Blvd. / Veterans Blvd. / Skaggs Rd. / Parnell Dr. (36.64981, -93.21976) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 63.2418 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | Near Skaggs Community Health Center Hospital. Veterans Boulevard was formerly Business 65 but was transferred from MoDOT to the city. Cost of roundabout was $1.9 million. News article: http://www.news-leader.com/apps/pbcs.dll/article?Date=20060324&Category=NEWS02&ArtNo=603240360&SectionCat=&Template=printart ICD estimated from Google Maps linework. |
Galt,
CA Sacramento Co. United States |
Twin Cities Rd. / E Stockton Blvd. (38.29108, -121.31110) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.6210 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2014 | Near SR 99 NB freeway ramps. ICD estimated from Google Maps linework. |
Galt,
CA Sacramento Co. United States |
Twin Cities Rd. / W Stockton Blvd. (38.29105, -121.31340) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.7463 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2014 | Near SR 99 SB freeway ramps. ICD estimated from Google Maps linework. |
Monona,
WI Dane Co. United States |
S Towne Dr. / Industrial Dr. (43.04082, -89.35458) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.9158 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2007 | Near Super-Walmart. Opened August 7, 2007. ICD estimated from Google Maps linework. |
Hutchinson,
KS Reno Co. United States |
23rd Ave. / Severence St. (38.07940, -97.91340) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.7846 |
Other (At-Grade) Single-Lane |
2000 | Near the state fairgrounds in Hutchinson Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Nampa,
ID Canyon Co. United States |
Ustick Rd. / Santa Ana Ave. (43.63404, -116.60317) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 44.1960 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Near two schools. |
Davis,
CA Yolo Co. United States |
Hutchison Dr. / Hutchison Pl. / Sage St. (38.53933, -121.77160) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2010 | Near University of California Davis college campus. Constructed initially as two-lane roundabout; converted to single-lane in 2020-2022. |
Davis,
CA Yolo Co. United States |
Hutchison Dr. / Campbell Rd. (38.53686, -121.77170) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.4343 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2010 | Near University of California Davis college campus. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
Poughkeepsie,
NY Dutchess Co. United States |
Rte 376 / Vassar Lake Dr. (41.68654, -73.89823) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 18.7303 |
Other (At-Grade) Single-Lane |
2006 | Near Vassar College ICD estimated from Google Maps linework. |
Poughkeepsie,
NY Dutchess Co. United States |
Rte 376 / College Ave. (41.68975, -73.89973) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 26.7562 |
Other (At-Grade) Single-Lane |
2006 | Near Vassar College ICD estimated from Google Maps linework. |
Poughkeepsie,
NY Dutchess Co. United States |
Rte 376 / Collegeview Ave. (41.69179, -73.90046) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.3227 |
Other (At-Grade) Single-Lane |
2008 | Near Vassar College ICD estimated from Google Maps linework. |
Golden,
CO Jefferson Co. United States |
Heritage Rd. / W 4th Ave. (39.72190, -105.21004) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 12.8607 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2015 | Nearby pedestrian overcrossing in addition to at-grade pedestrian crossing on north leg. ICD estimated from Google Maps linework. |
Quincy,
MA Norfolk Co. United States |
Palmer St / Yardarm Ln / Bicknell St (42.25300, -70.96574) |
Rotary Existing |
Uncontrolled None |
4 Approaches 2 Driveways 70.7217 |
Other (At-Grade) Single-Lane |
Neighborhood area ICD estimated from Google Maps linework. | |
Charlottesville,
VA Charlottesville Co. United States |
109 Burnet St (38.02424, -78.48827) |
Traffic Calming Circle Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 13.1717 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2017 | Neighborhood mini-roundabout placed in lieu of all-way stop when a new section was added in residential development in the City of Charlottesville. ICD estimated from Google Maps linework. |
Phoenix,
AZ Maricopa Co. United States |
South 20th Drive. / (none) (33.37556, -112.10290) |
Traffic Calming Circle Existing |
Unknown Unknown |
2 Approaches 0 Driveways 16.9552 |
Other (At-Grade) Single-Lane |
2003 | Neighborhood traffic calming. ICD estimated from Google Maps linework. |
Charlottesville,
VA Albemarle Co. United States |
775 Belvedere Blvd (38.07317, -78.45885) |
Other Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 154.1935 |
Other (At-Grade) Single-Lane |
2016 | Neighborhood Traffic Circle constructed with buildout of Belvedere Development ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE 7th Ave. / NE Morris St. (45.54468, -122.65860) |
Traffic Calming Circle Removed |
One-Way/Two-Way Stop None |
3 Approaches 0 Driveways 128.8135 |
Other (At-Grade) Single-Lane |
2013 | Neighborhood traffic circle was installed 1/9/1992. Removed in 2013 as part of upgrades to the Neighborhood Greenway. Added speed humps nearby. ICD estimated from Google Maps linework. |
Frisco,
TX Collin Co. United States |
Vita Dolce Dr. / Toscana Way (33.17776, -96.80012) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6717 |
Other (At-Grade) Single-Lane |
2004 | Neighborhood. |
Glendale,
AZ Maricopa Co. United States |
N 87th Ave. / W Montebello Ave. / (parking) (33.51695, -112.24749) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2019 | New city collector street, private developer funded. |
Durham,
NC Durham Co. United States |
Towerview Rd. / Campus Dr. (35.99779, -78.93916) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 24.1565 |
Other (At-Grade) Single-Lane |
2004 | New entrance to parking areas on Duke University campus. ICD estimated from Google Maps linework. |
Emporia,
KS Lyon Co. United States |
(connector to US 50) / I-35 Ramps (38.41494, -96.22918) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 97.5360 |
Freeway Ramps (Grade-Separated) Single-Lane |
2008 | New interchange configuration. Elliptical shaped. ICD = 320 ft x 270 ft. Constructed initially as half double-lane, half triple-lane. Opened November 2008. |
Emporia,
KS Lyon Co. United States |
US 50 / (connector to I-35) (38.41225, -96.22947) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 79.2480 |
Other (At-Grade) Single-Lane |
2008 | New interchange configuration. Half double-lane, half triple-lane. Opened November 2008. Modified 2011-2013 to reduce lanes. NCHRP Synthesis 488. 21442 |
Boardman,
NC Columbus Co. United States |
Old Boardman Rd. / US 74 WB Ramps (34.43547, -78.94924) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | New interchange replaces single at-grade, stop-controlled intersection. https://www.nrcolumbus.com/news/new-boardman-interchange-open-to-traffic-ncdot-says/article_feaec6c2-4c23-11ee-a358-437c17d778ff.html. |
Boardman,
NC Columbus Co. United States |
Old Boardman Rd. / US 74 EB Ramps (34.43447, -78.95052) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | New interchange replaces single at-grade, stop-controlled intersection. https://www.nrcolumbus.com/news/new-boardman-interchange-open-to-traffic-ncdot-says/article_feaec6c2-4c23-11ee-a358-437c17d778ff.html. |
Bern,
PA Berks Co. United States |
SR 183 (Bernville Rd.) / Wellness Way (40.37421, -75.97048) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.1960 |
Other (At-Grade) Single-Lane |
2020 | New intersection installed as part of development. |
Spokane,
WA Spokane Co. United States |
SR 290 (Trent Ave) / Martin Luther King Jr Way / Perry St. (47.66163, -117.39014) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.3053 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2018 | New intersection of MLK Jr. Way and SR 290. Open to traffic August 5, 2018. Two circulating lanes for SR 290 WB entry leg ICD estimated from Google Maps linework. |
Bourne,
MA Barnstable Co. United States |
Otis Rotary [MacArthur Blvd. (Rte 28) / Connery Ave. / Sandwich Rd. (Rte 28A)] (41.68534, -70.59144) |
Rotary Existing |
All-Way Yield None |
4 Approaches 0 Driveways 249.9360 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2017 | New lane configuration/striping in 2017. ICD = 820 ft x 620 ft. 21442 |
Durham,
NC Durham Co. United States |
Circuit Dr. / Research Dr. (36.00615, -78.94078) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 22.2216 |
Other (At-Grade) Single-Lane |
2003 | New north-south road through Duke University campus. ICD estimated from Google Maps linework. |
Boston,
MA Suffolk Co. United States |
Northern Ave / Massport Haul Rd / Fid Kennedy Rd (42.34767, -71.03621) |
Traffic Calming Circle Existing |
Other None |
4 Approaches 1 Driveways 24.7154 |
Other (At-Grade) Single-Lane |
New pavement markings (roundabout like) on approaches in June 2017. Control Type: 2 yield (Northern Ave), 1 stop Massport Haul Rd and 1 uncontrolled (stop sign is missing?) (Fid Kennedy Ave). ICD estimated from Google Maps linework. |