City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Tallahassee,
FL Leon Co. United States |
Sutor Road / Old Sutor Road (30.42957, -84.21212) |
Traffic Calming Circle Existing |
All-Way Yield None |
3 Approaches 0 Driveways 16.4770 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Fort Pierce,
FL St. Lucie Co. United States |
Avenue A / N Indian River Dr. (27.44907, -80.32326) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.6165 |
Other (At-Grade) Single-Lane |
1997 | http://www.walkinginfo.org/pedsafe/casestudy.cfm?CS_NUM=14. Year Completed estimated (1994-1999). ICD estimated from Google Maps linework. |
Malta,
NY Saratoga Co. United States |
Rte 67 (Dunning St.) / I-87 SB Ramps (42.97024, -73.80309) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2006 | Painted spiral next to central island. Part of a series of 5 roundabouts. |
Malta,
NY Saratoga Co. United States |
Rte 67 (Dunning St.) / US 9 (42.97116, -73.79296) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2006 | Part of a series of 5 roundabouts. |
Provo,
UT Utah Co. United States |
Riverside Ave. / W 1720 North (40.25703, -111.66810) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.8749 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Columbia,
MD Howard Co. United States |
Cradlerock Way / Homespun Dr. (39.19095, -76.83787) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 22.2158 |
Other (At-Grade) Single-Lane |
2001 | Completed May 21, 2001. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Malta,
NY Saratoga Co. United States |
Rte 67 (Dunning St.) / Kelch Dr. / Blacksmith Dr. (Malta Commons) (42.97068, -73.79804) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2006 | Part of a series of 5 roundabouts. |
Loveland,
CO Larimer Co. United States |
McWhinney Blvd. / Hahns Peak Dr. / Grays Peak Dr. (40.41048, -105.01140) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 71.6280 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | |
Eugene,
OR Lane Co. United States |
Barger Dr. / Green Hill Rd. (44.08470, -123.20830) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.6002 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
Monterey Way / Harvard Rd. (38.96400, -95.28833) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 15.7869 |
Other (At-Grade) Single-Lane |
1999 | Built as part of reconstrction of Monterey Way. Designed as part of City/State Safety Improvement Project. ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
West Campus Rd. / Jayhawk Blvd. / Crescent Rd. (38.95905, -95.25105) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.7185 |
Other (At-Grade) Single-Lane |
2013 | Original circle built c. 1945, rebuilt 2013 as part of reconstruction of Jayhawk Boulevard. Encircles Chi Omega fountain. Functional Class: Collector ICD estimated from Google Maps linework. |
Coventry,
CT Tolland Co. United States |
Daly Rd. / South St. (41.76721, -72.33688) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.9424 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Fairmont,
WV Marion Co. United States |
WV 273 (State St.) / Haymond St. (39.47601, -80.13599) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2010 | Detectable warning surfaces along entire length of narrow pedestrian ramp. |
East Lansing,
MI Ingham Co. United States |
Bogue St. / Shaw Ln. (42.72575, -84.47185) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2014 | Roundabout built in 2000, removal date estimated (2013-2015). |
Hartland,
MI Livingston Co. United States |
Hartland Rd. / Rovey Dr. (42.63682, -83.74883) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.6594 |
Other (At-Grade) Single-Lane |
2009 | ICD estimated from Google Maps linework. |
Ottawa,
ON City of Ottawa Canada |
Bayview Rd. / Slidell St. / Burnside Ave. (45.40958, -75.72880) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.5384 |
Other (At-Grade) Single-Lane |
2010 | Functional Class: Collector ICD estimated from Google Maps linework. |
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. |
Goshen,
CT Litchfield Co. United States |
Rte. 4 / Rte. 63 (41.83185, -73.22539) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.9080 |
Other (At-Grade) Single-Lane |
2002 | Painted splitter islands. |
Rochester,
MI Oakland Co. United States |
Tienken Rd. / Runyon Rd. / Washington Rd. (42.69743, -83.11135) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.0105 |
Other (At-Grade) Single-Lane |
1999 | Total cost: $353,000. Completed July 1999. Functional Class: Arterial ICD estimated from Google Maps linework. |
Greenwich,
CT Fairfield Co. United States |
King St. / Rye Lake Ave. (41.07508, -73.70280) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2006 | Temporary roundabout installed May 12, 2004. Functional Class: Local. |
Madison,
CT New Haven Co. United States |
Rte. 80 / Rte. 79 (41.35976, -72.63807) |
Rotary Existing |
All-Way Yield None |
4 Approaches 0 Driveways 98.6077 |
Other (At-Grade) Single-Lane |
Old traffic circle converted to yield on entry. ICD estimated from Google Maps linework. | |
Las Vegas (Summerlin),
NV Clark Co. United States |
Village Center Dr. / Meadow Hills Dr. (36.19350, -115.30070) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 59.4360 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
1991 | Add-lane right-turn bypass lane on north leg. |
New London,
CT New London Co. United States |
Shaw St. / Howard St. / Willets Ave. (41.34284, -72.09972) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.9700 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
University Place,
WA Pierce Co. United States |
Grandview Dr. / Olympic Blvd. (47.22188, -122.55790) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.1454 |
Other (At-Grade) Single-Lane |
1997 | Curtis High School and Curtis Junior High School on NE corner of roundabout. Opened August 1997. Functional Class: Arterial ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
27th Ave. / Union St. / Southridge Blvd / W Creekstone Dr. (46.18497, -119.18040) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.5168 |
Other (At-Grade) Single-Lane |
2000 | Completed August 25, 2000. Right-turn bypass on WB approach. Was 3-leg intersection; fourth leg added to west as part of project. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Seymour,
CT New Haven Co. United States |
Rte. 188 / Rte. 334 (Great Hill Rd.) / Holbrook Rd. (41.37857, -73.12669) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.8466 |
Other (At-Grade) Single-Lane |
2016 | Previous traffic circle was upgraded to modern roundabout design guidelines. 21442 |
Prescott,
AZ Yavapai Co. United States |
SR 89 / Willow Lake Rd. (34.59233, -112.42580) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 64.0080 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2006 | |
Bisbee,
AZ Cochise Co. United States |
Bisbee Rd. / SR 80 / SR 92 (31.42830, -109.89230) |
Rotary Existing |
All-Way Yield None |
4 Approaches 0 Driveways 104.9686 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Kingston,
NY Ulster Co. United States |
I-587 / Rte 28 / I-87 Ramps / Washington Ave. (41.94362, -74.02840) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2000 | A 600 ft diameter traffic circle was replaced by 200 ft diameter roundabout. At Exit 19 from I-87. I-587 terminates in roundabout. |
Windsor,
CT Hartford Co. United States |
Hayden Station Rd. / Lancaster Dr. / Center St. (41.89280, -72.63409) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.8935 |
Other (At-Grade) Single-Lane |
1998 | Functional Class: Collector. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework. |
Manhattan,
KS Riley Co. United States |
Gary Ave. / Candlewood Dr. (39.21087, -96.61885) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.2841 |
Other (At-Grade) Single-Lane |
1997 | Considered to be the First Modern Roundabout in the State of Kansas. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Oviedo,
FL Seminole Co. United States |
Franklin St. / Geneva Dr. / Division St. (28.67359, -81.20439) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 34.5795 |
Other (At-Grade) Single-Lane |
2006 | Website: http://www.cityofoviedo.net/files/Roundabouts.pdf ICD estimated from Google Maps linework. |
Windsor,
CT Hartford Co. United States |
Hayden Station Rd. / Pond Rd. (41.89371, -72.64065) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 24.0041 |
Other (At-Grade) Single-Lane |
1998 | Functional Class: Collector. Year Completed estimated (1992-2003). ICD estimated from Google Maps linework. |
Las Vegas (Summerlin),
NV Clark Co. United States |
Vista Run Dr. / Park Vista Dr. (36.17820, -115.34610) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 46.2741 |
Other (At-Grade) Single-Lane |
1995 | Year completed estimated (1990-1999) 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. |
Truckee,
CA Nevada Co. United States |
Brockway Rd. / Martis Valley Rd. (39.32135, -120.16269) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2006 | |
Tampa (Ybor City),
FL Hillsborough Co. United States |
Channelside Dr. / Cumberland Ave. (27.94497, -82.44576) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1995 | Right-turn-only lane on north leg. |
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 |
Bend,
OR Deschutes Co. United States |
Brookswood Blvd. / Powers Rd. (44.02886, -121.32130) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.1961 |
Other (At-Grade) Single-Lane |
2013 | ICD estimated from Google Maps linework. |
Anchorage,
AK Anchorage United States |
C St. / O'Malley EB Ramps (61.12273, -149.88630) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 53.3400 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2006 | |
Anchorage,
AK Anchorage United States |
C St. / O'Malley WB Ramps (61.12404, -149.88630) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 53.3400 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2006 | |
Moses Lake,
WA Grant Co. United States |
Yonezawa Blvd. / S. Division St. / W. Belmont Ave. (47.10438, -119.27860) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.0857 |
Other (At-Grade) Single-Lane |
2001 | Pedestrian crossing has z-shape, with exit closer to roundabout than entrance. Part of series of 3 roundabouts. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Loveland,
CO Larimer Co. United States |
Plum Creek Dr. / Piney River Dr. (40.41253, -105.01850) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.0994 |
Other (At-Grade) Single-Lane |
2001 | Functional Class: Local ICD estimated from Google Maps linework. |
Columbia,
MD Howard Co. United States |
Golden Straw Ln. / Davis Rd. (39.21597, -76.81084) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2000 | Completed April 28, 2000. Pedestrian ramps into circulatory roadway. |
(unincorporated),
OR Washington Co. United States |
NW Verboort Rd. / Cornelius-Shefflin Rd. (45.55150, -123.06410) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 52.6900 |
Other (At-Grade) Single-Lane |
2003 | Reverse curves on approaches. Designed as multilane with striped-out inner circulating and entry/exit lanes. ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
24th Pl. / Inverness Dr. (38.94105, -95.29808) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.0814 |
Other (At-Grade) Single-Lane |
2001 | Approved by Commission over neighborhood opposition. Was a 3 leg intersection prior to construction. Near Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
24th Pl. / Crossgate Dr. (38.94130, -95.28875) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 26.9392 |
Other (At-Grade) Single-Lane |
2001 | Planned in connection with extention of 24th Place Functional Class: Collector ICD estimated from Google Maps linework. |
Greeley,
CO Weld Co. United States |
Promontory Cir. / W 11th St. (40.41889, -104.84990) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.1960 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2004 | 4 roundabouts in series; 6 in vicinity. |
Lawrence,
KS Douglas Co. United States |
E. 19th St. / Barker Ave. (38.95003, -95.23283) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 16.7188 |
Other (At-Grade) Single-Lane |
2004 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Boynton Beach,
FL Palm Beach Co. United States |
Hagen Ranch Rd. / Majestic Palm Dr. / Palm Isles Dr. (26.53700, -80.16410) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.4660 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Peoria,
AZ Maricopa Co. United States |
N Sunrise Point / Sunset Point (33.75294, -112.33084) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 80.7720 |
Other (At-Grade) Single-Lane |
2004 | |
Phoenix,
AZ Maricopa Co. United States |
Pointe Pkwy. / S 48th St. (33.37162, -111.97410) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | |
Greeley,
CO Weld Co. United States |
Promontory Cir. / W. 16th St. (40.41505, -104.85090) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2004 | 4 roundabouts in series; 6 in vicinity. |
Greeley,
CO Weld Co. United States |
Promontory Cir. / Con Agra Dr. (40.41138, -104.85200) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2004 | 4 roundabouts in series; 6 in vicinity. |
Boynton Beach,
FL Palm Beach Co. United States |
Hagen Ranch Rd. / Treviso Ln. (26.54100, -80.16380) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.6431 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Greeley,
CO Weld Co. United States |
Promontory Cir. / W 18th St. (40.40869, -104.85120) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6717 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2004 | 4 roundabouts in series; 6 in vicinity. |
Phoenix,
AZ Maricopa Co. United States |
23rd Ave. / W. Osborn Rd. (33.48775, -112.10840) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 15.9372 |
Other (At-Grade) Single-Lane |
2005 | Small roundabout. ICD estimated from Google Maps linework. |
Greeley,
CO Weld Co. United States |
W 18th St. / Promontory Cir. / (parking) (40.41203, -104.85840) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2004 | Part of 6 in vicinity. |
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. |
Manhattan,
KS Riley Co. United States |
Kimball Ave. / Grand Mere Pkwy. (39.20168, -96.63786) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.3931 |
Other (At-Grade) Single-Lane |
2000 | Completed 3/2000. Built as part of new Colbert Hills Golf Course. Fatal crash January 31, 2010. 11861-05. Functional Class: Collector ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
Sunflower Park Rd / Inverness Dr (38.93745, -95.29810) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 111.4785 |
Other (At-Grade) Single-Lane |
2001 | Next to Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector ICD estimated from Google Maps linework. |
Greeley,
CO Weld Co. United States |
Promontory Cir. / W 16th St. / (parking) (40.41524, -104.85540) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2004 | Part of 6 in vicinity. |
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. |
Garnett,
KS Harvey Co. United States |
US 59 / US 169 (38.25832, -95.24861) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 46.8910 |
Other (At-Grade) Single-Lane |
2006 | None. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Newton,
KS Harvey Co. United States |
Broadway St. / I-135 Ramps (38.05000, -97.32250) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.1441 |
Freeway Ramps (Grade-Separated) Single-Lane |
2003 | Single-point interchange. Near roundabout interchange at I-135/1st Street. Roundabout completed January 2002, ramps from I-135 to the roundabout reopened March 2002. Eliptical structure incorporating both NB and SB ramps. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
Lenexa,
KS Johnson Co. United States |
Prairie Star Pkwy / Montecello Rd. (38.95251, -94.84398) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 52.0123 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Paola,
KS Miami Co. United States |
K-68 / Old Kansas City Rd. / Hedge Ln. (38.62133, -94.85551) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 44.7895 |
Other (At-Grade) Single-Lane |
2001 | First roundabout on rural, high-speed facility in Kansas. Functional Class: Arterial ICD estimated from Google Maps linework. |
Topeka,
KS Shawnee Co. United States |
46th St. / US 75 Ramps (39.12934, -95.71959) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 124.9680 |
Freeway Ramps (Grade-Separated) Single-Lane |
2002 | Roundabout under structure as part of single-point interchange. Elliptical shaped. ICD = 410 ft x 270 ft. Original intersection was at grade. Completed November 2002. |
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. |
Quebec,
QC Capitale-Nationale Region Canada |
Rue de la Rive-Boisee N / Rue du Baumier (46.83577, -71.32956) |
Other Existing |
All-Way Yield None |
3 Approaches 0 Driveways 40.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. ICD estimated from Google Maps linework. | |
Bend,
OR Deschutes Co. United States |
NW Mt. Washington Dr. / NW Skyliners Rd. (44.05369, -121.35490) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.3425 |
Other (At-Grade) Single-Lane |
2005 | Roundabout constructed with addition of south leg. ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW Shevlin Park Rd. / Newport Ave. / College Way (44.06240, -121.33770) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.6125 |
Other (At-Grade) Single-Lane |
2006 | ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW Mt. Washington Dr. / Shevlin Park Rd. (44.06780, -121.35530) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.7584 |
Other (At-Grade) Single-Lane |
2000 | South leg on Mt. Washington Drive added as part of new development. ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW Mt. Washington Dr. / NW Crossing Dr. (44.05890, -121.35670) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.6144 |
Other (At-Grade) Single-Lane |
2000 | Both roadways brand new as part of new development. ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
SW Century Dr. / SW Mt. Washington Dr. / SW Reed Market Dr. (44.03860, -121.33590) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Single-Lane |
2001 | Roundabout sized for ultimate conversion to double lane. |
Bend,
OR Deschutes Co. United States |
SW 14th St. / SW Century Dr. / SW Simpson Ave. (44.04790, -121.33160) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.9036 |
Other (At-Grade) Single-Lane |
2002 | Driveways located between crosswalk and circulatory roadway on both sides of west leg. ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW 14th St. / NW Galveston Ave. (44.05660, -121.33180) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.8991 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW 14th St. / Newport Ave. (44.06230, -121.33170) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.6126 |
Other (At-Grade) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW 9th St. / NW Newport Ave. / NW Nashville Ave. (44.06240, -121.32450) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.6125 |
Other (At-Grade) Single-Lane |
2005 | Completed in August 2005. Intersection previously had five legs. Roundabout changes one leg prior to the roundabout to right in/out and redirects another leg to the roundabout. Located near Grade School on Newport Avenue. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SW Terwilliger Blvd. / SW Palater Rd. (45.45290, -122.67660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2002 | Roundabout replaces existing Y-intersection, adds fourth leg to serve college law school. Includes driveway into roundabout serving two homes. Roundabout is on tilted plane with central island plane steeper than inscribed circle plane to manage cross slopes. Northeast leg (Palater Road) has 8-9 percent grade down into roundabout, then flattens using a short vertical curve to a zero percent crown at the top of the circulatory roadway. Maximum grade through the roundabout is 4 percent; maximum cross slope is -2 percent. First roundabout under City of Portland jurisdiction. |
Anchorage,
AK Anchorage United States |
Dowling Rd. / New Seward Hwy SB Ramps (61.16636, -149.85780) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.1352 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2004 | Previously controlled by one-way stop ICD estimated from Google Maps linework. |
Anchorage,
AK Anchorage United States |
Dowling Rd. / New Seward Hwy NB Ramps (61.16637, -149.85520) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.0151 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2004 | Spiral striping. ICD estimated from Google Maps linework. |
Culloden,
GA Monroe Co. United States |
SR 7-US 341 / SR 74 (32.87954, -84.09019) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.1175 |
Other (At-Grade) Single-Lane |
2008 | Functional Class: Rural ICD estimated from Google Maps linework. |
Bayfield,
CO La Plata Co. United States |
CR 501 / Bayfield Center Dr. (37.23393, -107.60191) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2001 | Bayfield Center Drive is a new roadway. Completed Fall 2001. |
Astoria,
OR Clatsop Co. United States |
US 101 / Hwy 202 (Nehalem Highway) (46.18290, -123.86070) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.4797 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Opened September 2002. First multilane roundabout on Oregon state highway system. ICD estimated from Google Maps linework. |
Claremont,
CA Los Angeles Co. United States |
Indian Hill Blvd. / Bonita St. (34.09662, -117.71930) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
2000 | Temporary roundabout installed in August 1999, removed in April 2000. Strong public negative opinion cited as reason for removal. (Westernite, July-August 2000, pp. 2-3) |
Monroe,
WA Snohomish Co. United States |
SR 522 EB Ramps / 164th St. SE / Tester Rd. (47.84863, -122.00580) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 60.9143 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | Completed August 2001. This project won the Washington State APWA 2001 Project of the Award and the ASCE Seattle Section 2001 Outstanding Project Award. The Project is documented in the Compendium of Papers for 2000 ITE District 6 Annual Meeting, San Diego, CA. Reconfiguration of two intersections into a roundabout. Previously controlled by two-way stop ICD estimated from Google Maps linework. |
Federal Way,
WA King Co. United States |
Weyerhaeuser Way S / 33rd Pl S / 32nd Dr. S (47.29863, -122.29280) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.6385 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Opened April 2000. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Olathe,
KS Johnson Co. United States |
Sheridan Rd. / Rogers Rd. (38.87200, -94.79430) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.7027 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | ICD estimated from Google Maps linework. |
Olathe,
KS Johnson Co. United States |
Sheridan Rd. / Ridgeview Rd. / Dennis Ave. (38.87270, -94.79730) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.3160 |
Other (At-Grade) Single-Lane |
2001 | Completed April 2001. ICD estimated from Google Maps linework. |
Olathe,
KS Johnson Co. United States |
Sheridan Rd. / Clairborne Rd. (38.87020, -94.79250) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.3168 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Parkville,
MO Platte Co. United States |
MO 45 (Tom Watson Pkwy.) / National Dr. (39.21016, -94.70027) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.1210 |
Other (At-Grade) Single-Lane |
2000 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Maplewood,
MN Ramsey Co. United States |
Kennard St. / Legacy Pkwy. (45.03317, -93.03062) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.1373 |
Other (At-Grade) Single-Lane |
2004 | Site has RT pavement arrows at entrance line. 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. | |
Lewisville,
NC Forsyth Co. United States |
Concord Church Rd. / US 421 SB Ramp / Williams Rd. (36.08978, -80.43072) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.9191 |
Freeway Ramps (Grade-Separated) Single-Lane |
2000 | Solved capacity problem. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
Clemmons,
NC Forsyth Co. United States |
Fraternity Church Rd. / Hope Church Rd. (36.02653, -80.34301) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.0113 |
Other (At-Grade) Single-Lane |
1999 | Existing three-legged intersection converted to a four-legged intersection by adding new Clemmons Middle School driveway at the roundabout. Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework. |
(unincorporated),
CO Douglas Co. United States |
Ridgegate Pkwy. / Ridgegate Cir. / Commons St. (39.53187, -104.88300) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.4267 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework. |
(unincorporated),
CO Douglas Co. United States |
Ridgegate Pkwy. / Ridgegate Cir. / Park Meadows Blvd. (39.52945, -104.87450) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.3498 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework. |
Phoenix,
AZ Maricopa Co. United States |
S. Melon Ln. / W. Country Place Blvd. (33.41839, -112.27850) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 2 Driveways 23.9249 |
Other (At-Grade) Single-Lane |
2004 | Painted splitter islands. Functional Class: Local ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
Monterey Way / Peterson Rd. (38.98607, -95.28841) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.8505 |
Other (At-Grade) Single-Lane |
2005 | ICD estimated from Google Maps linework. |