|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Arvada,
CO Jefferson Co. United States |
W 66th Ave. / W 66th Dr. (39.81516, -105.17026) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.6867 |
Other (At-Grade) Single-Lane |
2007 | Located 35 feet from adjacent stop-controlled intersection. No buffers between sidewalk and circulatory roadway. ICD estimated from Google Maps linework. |
|
Arnold,
MO Jefferson Co. United States |
Astra Way / Missouri State Rd. (38.44301, -90.40168) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1589 |
Other (At-Grade) Single-Lane |
2012 | Located approximately 220 feet from traffic signal. https://patch.com/missouri/fenton-highridge/new-traffic-roundabout-to-be-built-on-hwy-141-between4fb74fd68b . ICD estimated from Google Maps linework. |
|
Farmington,
UT Davis Co. United States |
N Station Pkwy. / Crescent Way. / N 850 W / W Union Ave. (40.98527, -111.90704) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 55.8975 |
Other (At-Grade) Multilane (2 Lane) |
2012 | Located at a commuter rail station. Year Completed estimated (2011-2013). ICD estimated from Google Maps linework. |
|
Billings,
MT Yellowstone Co. United States |
Hwy 3 / 27th St. / Airport Rd. (45.80209, -108.53540) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7937 |
Other (At-Grade) Multilane (2 Lane) |
2009 | Located at Billings airport. Functional Class: Principal Arterial ICD estimated from Google Maps linework. |
|
Conway,
AR Faulkner Co. United States |
Prince St. / Western Ave. (35.09203, -92.45590) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.7935 |
Other (At-Grade) Multilane (2 Lane) |
2007 | Located at Entrance to High School Complex Previously controlled by two way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Windsor,
CT Hartford Co. United States |
Prospect Hill Rd. / Lang Rd. (41.89153, -72.69762) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 25.7830 |
Other (At-Grade) Single-Lane |
1998 | Located at entrance to industrial park. Year Completed estimated (1992-2004). ICD estimated from Google Maps linework. |
|
Los Angeles,
CA Los Angeles Co. United States |
Ignation Cir. / Loyola Blvd. (33.96856, -118.41666) |
Other Existing |
Other Unknown |
3 Approaches 0 Driveways 21.7912 |
Other (At-Grade) Single-Lane |
Located at Loyola Marymount University. Two stop signs, one uncontrolled. ICD estimated from Google Maps linework. | |
|
Denver,
CO Denver Co. United States |
Chopper Cir. / VIP Parking / 9th St. / Access Rd (39.74721, -105.00810) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 52.3424 |
Other (At-Grade) Single-Lane |
1999 | Located at Pepsi Center arena Functional Class: Collector ICD estimated from Google Maps linework. |
|
Guelph,
ON Wellington County Canada |
Summerfield Dr. / Colonial Dr. (43.51809, -80.18253) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.4466 |
Other (At-Grade) Single-Lane |
2001 | Located in Pine Ridge East residenital subdivision Functional Class: Collector ICD estimated from Google Maps linework. |
|
Garner,
NC Wake Co. United States |
Shenstone Blvd. / Carillon Dr. (35.69324, -78.58185) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 32.0092 |
Other (At-Grade) Single-Lane |
2003 | Located in White Oak Crossing strip mall. Under construction June, 2002 per Google Earth. ICD estimated from Google Maps linework. |
|
Newberg,
OR Yamhill Co. United States |
N Springbrook Rd. / Crestview Dr. / (future leg) (45.31532, -122.94593) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 55.4306 |
Other (At-Grade) Single-Lane |
2007 | Located near Portland and Western railroad crossing. Replaced offset T-intersections. ICD estimated from Google Maps linework. |
|
Nashua,
NH Hillsborough Co. United States |
Main St. / Daniel Webster Hwy (42.73881, -71.45826) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.4557 |
Other (At-Grade) Single-Lane |
2003 | Located near Rivier College, 1/4 mile north of Exit 3 of the Everett Turnpike. ICD estimated from Google Maps linework. |
|
Raleigh,
NC Wake Co. United States |
Pullen Rd. / Stinson Dr. (35.78457, -78.66421) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.3773 |
Other (At-Grade) Single-Lane |
2002 | Located on campus of North Carolina State University. Completed November 2002. Used to have Pedestrian signal located upstream of roundabout (removed in 2006) Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework. |
|
Port Salerno,
FL Martin Co. United States |
Old Dixie Hwy / St. Lucie Blvd. / SE Manatee Ln. (27.14908, -80.20197) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.8195 |
Other (At-Grade) Single-Lane |
2002 | Long oval. ICD estimated from Google Maps linework. |
|
Port Salerno,
FL Martin Co. United States |
SE Salerno Rd. / SE Martin Meadows Ave. / (unknown) / (unknown) (27.13707, -80.21922) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 38.2628 |
Other (At-Grade) Single-Lane |
2009 | Long oval. ICD estimated from Google Maps linework. |
|
Fort Collins,
CO Larimer Co. United States |
CR 9 / CR 30 (40.46569, -105.02033) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.7110 |
Other (At-Grade) Single-Lane |
2009 | Long splitter islands. Year Completed estimated (2009-2011). ICD estimated from Google Maps linework. |
|
Fort Collins,
CO Larimer Co. United States |
CR 30 / CR 11 (S Timberline Rd.) (40.46567, -105.03951) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.5283 |
Other (At-Grade) Single-Lane |
2015 | Long splitter islands. Year Completed estimated (2014-2016). ICD estimated from Google Maps linework. |
|
Loveland,
CO Larimer Co. United States |
CR 30 / CR 11C (40.46562, -105.04412) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.6197 |
Other (At-Grade) Single-Lane |
2015 | Long splitter islands. Year Completed estimated (2014-2016). ICD estimated from Google Maps linework. |
|
Lowell,
MA Middlesex Co. United States |
Industrial Ave / American Legion Connector Hwy SB Ramps (42.61379, -71.32136) |
Rotary Existing |
All-Way Yield None |
5 Approaches 0 Driveways 75.5895 |
Freeway Ramps (Grade-Separated) Unknown |
Longtime rotary near Lowell Connector. ICD estimated from Google Maps linework. | |
|
Lusby,
MD Calvert Co. United States |
HG Trueman Rd. (MD 765) / / Southern Connector Blvd. (38.36413, -76.44936) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 49.6319 |
Other (At-Grade) Multilane (2 Lane) |
2008 | Looks like it's being finished up in Oct 2008 on streetview. ICD estimated from Google Maps linework. |
|
(unincorporated),
FL St. Lucie Co. United States |
SW Westcliffe Ln. / (unknown) (27.27572, -80.44907) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 49.8921 |
Other (At-Grade) Multilane (2 Lane) |
2007 | Looks to be sized for multilane but unmarked in 2012. ICD estimated from Google Maps linework. |
|
Montpelier,
VT Washington Co. United States |
Keck Circle (Main St. / Spring St.) (44.26283, -72.57178) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 25.6594 |
Other (At-Grade) Single-Lane |
1995 | Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework. |
|
Waco,
TX McLennan Co. United States |
Crosslake Pkwy. / Legendlake Pkwy. (31.49100, -97.15920) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 30.5529 |
Other (At-Grade) Single-Lane |
2006 | Major internal street intersection for a 159 Ac. Tract (74.5 Ac. is Hospital and Medical complex). Functional Class: Collector ICD estimated from Google Maps linework. |
|
San Diego,
CA San Diego Co. United States |
Sea Ridge Dr. / Chelsea St. (32.80875, -117.26520) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.0801 |
Other (At-Grade) Single-Lane |
2007 | Marginal roundabout. No splitter islands. ICD estimated from Google Maps linework. |
|
Sequim,
WA Clallam Co. United States |
W. Washington St. / N. Demming Rd. / N. 9th St. (48.07909, -123.12400) |
Roundabout Existing |
All-Way Yield None |
0 Approaches 0 Driveways 27.1298 |
Other (At-Grade) Single-Lane |
2007 | May 2007. ICD estimated from Google Maps linework. |
|
Blaine,
WA Whatcom Co. United States |
I-5 NB Ramps / D St. / 2nd St. (48.99810, -122.75140) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.6939 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | May 2010. ICD estimated from Google Maps linework. |
|
Granite Falls,
WA Snohomish Co. United States |
Granite Falls Access Rd. / SR 92 (48.08332, -121.99000) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.2978 |
Other (At-Grade) Single-Lane |
2010 | May 2010. ICD estimated from Google Maps linework. |
|
Blaine,
WA Whatcom Co. United States |
I-5 SB Ramps / Peace Portal Dr. / Marine Dr. (48.99723, -122.75250) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) |
4 Approaches 0 Driveways 26.6422 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | May 2010. Roundabout is ~200 ft from railroad crossing. ICD estimated from Google Maps linework. |
|
Olympia,
WA Thurston Co. United States |
Yelm Hwy SE / Brassfield Rd. SE (47.00367, -122.87310) |
Roundabout Existing |
All-Way Yield None |
0 Approaches 0 Driveways 30.1355 |
Other (At-Grade) Multilane (2 Lane) |
2011 | May 2011. ICD estimated from Google Maps linework. |
|
Vancouver,
WA Clark Co. United States |
NE 10th Ave. / NE 136th St. (45.71988, -122.66030) |
Roundabout Existing |
All-Way Yield None |
0 Approaches 0 Driveways 40.0244 |
Other (At-Grade) Single-Lane |
2011 | May 2011. Park and Ride under construction fall 2010. ICD estimated from Google Maps linework. |
|
Olympia,
WA Thurston Co. United States |
Yelm Hwy SE / Boulevard Rd. SE (47.00397, -122.86540) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
3 Approaches 1 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane) |
2011 | May 2011. Right-turn-only lane on north leg. Located about 1000 feet from Centennial Elementary School and serves as a walking and school bus route. |
|
Marysville,
WA Snohomish Co. United States |
25th Ave. NE / 174th St. NE (48.15374, -122.19930) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.7001 |
Other (At-Grade) Mini-roundabout |
2017 | May be large enough to qualify as a compact roundabout but has a fully traversable central island. ICD estimated from Google Maps linework. |
|
Daphne,
AL Baldwin Co. United States |
CR-64 / CR-13 (30.60376, -87.86897) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 46.2586 |
Other (At-Grade) Single-Lane |
2015 | Merge-type bypass lane on east leg. ICD estimated from Google Maps linework. |
|
Alpharetta,
GA Fulton Co. United States |
Hopewell Rd. / Birmingham Rd. (34.16261, -84.28773) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 28.6591 |
Other (At-Grade) Multilane (2 Lane) |
2016 | Merge-type right-turn bypass lane on west leg. Year Completed estimated (2015-2017). ICD estimated from Google Maps linework. |
|
Alexandria,
MN Douglas Co. United States |
STH 29 / CR 28 / CR 87 (45.83127, -95.38801) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.1054 |
Other (At-Grade) Single-Lane |
2015 | Merge-type right-turn bypass lanes on east and north legs. ICD estimated from Google Maps linework. |
|
Zionsville,
IN Boone Co. United States |
Michigan Rd. (US 421) / West Base Line Rd. (40.04096, -86.28524) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.2318 |
Other (At-Grade) Single-Lane |
2015 | Merge-type right-turn bypass lanes on north and south legs. ICD estimated from Google Maps linework. |
|
Ypsilanti,
MI Washtenaw Co. United States |
Geddes Rd. / Superior Rd. (42.27492, -83.63755) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 51.2554 |
Other (At-Grade) Multilane (2 Lane) |
2008 | Merging right-turn bypass lane in northeast quadrant. ICD estimated from Google Maps linework. |
|
Indianapolis,
IN Hendricks Co. United States |
Dan Jones Rd. / Morris St. (CR 100 South) (39.74842, -86.38113) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 52.3415 |
Other (At-Grade) Multilane (2 Lane) |
2007 | Merging right-turn bypass lane on east leg. ICD estimated from Google Maps linework. |
|
Burlington,
IA Des Moines Co. United States |
West Ave. / W Burlington Ave. (40.80061, -91.15269) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 37.0678 |
Other (At-Grade) Single-Lane |
2017 | Merging right-turn bypass lane on east leg. ICD estimated from Google Maps linework. |
|
Roseville,
CA Placer Co. United States |
Albertsons Dr. / (parking) (38.79187, -121.31505) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2001 | Merging right-turn bypass lane on east leg. Year Completed estimated (1998-2002). |
|
Fort Wayne,
IN Allen Co. United States |
E Tillman Rd. / Minnich Rd. (41.01954, -85.00032) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2018 | Merging right-turn bypass lane on north leg. |
|
Lethbridge,
AB Alberta Canada |
Garry Station Port W / Aquitania Blvd W (49.68692, -112.91273) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.0000 |
Other (At-Grade) Single-Lane |
2012 | Merging right-turn bypass lane on north leg. |
|
Lethbridge,
AB Alberta Canada |
Keystone Terr. / Coalbanks Gate / Silkstone Rd. W (49.66938, -112.90330) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.0000 |
Other (At-Grade) Single-Lane |
2012 | Merging right-turn bypass lane on north leg. |
|
Acoma Indian Reservation,
NM McKinley Co. United States |
SH 30 / I-40 WB Ramps (35.07505, -107.56110) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 65.4884 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane) |
2010 | Merging right-turn bypass lane on north leg. Series of 3 roundabouts. ICD estimated from Google Maps linework. |
|
Lethbridge,
AB Alberta Canada |
Mauretania Rd. / (unknown) (49.67145, -112.90948) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.0000 |
Other (At-Grade) Single-Lane |
2012 | Merging right-turn bypass lane on west leg. |
|
Acoma Indian Reservation,
NM McKinley Co. United States |
SH 30 / I-40 EB Ramps (35.07341, -107.56120) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 65.4897 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane) |
2010 | Merging right-turn bypass lane on west leg. Series of 3 roundabouts. ICD estimated from Google Maps linework. |
|
Weston,
FL Broward Co. United States |
Saddle Club Rd. / S Post Rd. (26.10419, -80.41696) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.1025 |
Other (At-Grade) Single-Lane |
2002 | Merging right-turn bypass lane on west leg. Year Completed estimated (2002-2003). ICD estimated from Google Maps linework. |
|
Spring Creek,
NV Elko Co. United States |
Lamoille Hwy / Licht Pkwy / Spring Creek Pkwy (40.73887, -115.61890) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 34.3874 |
Other (At-Grade) Single-Lane |
2010 | Merging right-turn bypass lanes on all four leg. Year Completed estimated (2010-2012). ICD estimated from Google Maps linework. |
|
Lethbridge,
AB Alberta Canada |
Aquitania Blvd. / (unknown) (49.67393, -112.90283) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.0000 |
Other (At-Grade) Single-Lane |
2011 | Merging right-turn bypass lanes on north and south legs. |
|
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. |
|
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. |
|
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) |
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. |
|
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 38.0700 |
Other (At-Grade) Single-Lane |
1999 | Minimal splitter islands on two legs. Year Completed estimated (1996-2002). ICD estimated from Google Maps linework. |
|
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. |
|
Cedar Park,
TX Williamson Co. United States |
Crocket Rd. / Truman Ln. (30.51700, -97.80960) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.9533 |
Other (At-Grade) Single-Lane |
2004 | Minimal splitter islands. Year Completed estimated (2002-2005). ICD estimated from Google Maps linework. |
|
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) Mini-roundabout |
2019 | Mini-roundabout adjacent Tyee Middle School, completed October 2019. ICD estimated from Google Maps linework. |
|
Paradise Valley,
AZ Maricopa Co. United States |
Indian Bend Rd. / 70th St. (33.53864, -111.92930) |
Traffic Calming Circle Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.7835 |
Other (At-Grade) Single-Lane |
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. |
|
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. |
|
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) Mini-roundabout |
2019 | Mini-roundabout in a suburban neighborhood context, completed November 2019. ICD estimated from Google Maps linework. |
|
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. | |
|
Lutherville-Timonium,
MD Baltimore Co. United States |
MD 139 (Charles St.) / Bellona Ave. (39.41790, -76.62900) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 34.1385 |
Other (At-Grade) Multilane (2 Lane) |
1999 | Mini-roundabout. Double-lane circulatory roadway across northern half. Previously controlled by two-way stop Functional Class: Arterial 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) Mini-roundabout |
2007 | Mini-roundabout. ICD estimated from Google Maps linework. |
|
Flemington,
NJ Hunterdon Co. United States |
Rte 12 / Main St. / Reaville Ave. (40.50183, -74.85851) |
Rotary Existing |
All-Way Yield None |
5 Approaches 6 Driveways 92.9640 |
Other (At-Grade) Multilane (2 Lane) |
2010 | Minor movements need to change lanes for some movements. Modified 2009-2010 to have yield on entry with original rotary geometry. ICD = 350 ft x 265 ft. 21442 |
|
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. |
|
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) |
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) |
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) |
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. | |
|
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. | |
|
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. |
|
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) |
Mix of Yield and Stop signs (3 Yields; 1 Stop) at approaches. ICD estimated from Google Maps linework. | |
|
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) |
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 54.8640 |
Other (At-Grade) Multilane (2 Lane) |
2010 | Modified 2011-2014 to change lane configuration. 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) |
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) |
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 |