City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Urbana,
MD Frederick Co. United States |
MD 355 / Sprigg St. (39.33070, -77.35654) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.4954 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Urbana,
MD Frederick Co. United States |
Bush Creek Dr. / Major Smith Ln. (39.33507, -77.35263) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.6364 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Brunswick,
MD Frederick Co. United States |
MD 17 / A St. / B St. / Maryland Ave. (39.31433, -77.62807) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 42.5054 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Topeka,
KS Shawnee Co. United States |
Rice Rd. / I-70 WB Ramps / Sycamore Dr. (39.03610, -95.62310) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.5293 |
Freeway Ramps (Grade-Separated) Single-Lane |
2000 | Part of a major realignment of I-70 and K-4. Sycamore Drive is one way with two westbound lanes (into the roundabout). Partial cloverleaf AB interchange type. Completed October 2000. ICD estimated from Google Maps linework. |
Topeka,
KS Shawnee Co. United States |
Rice Rd. / I-70 EB Ramps / Cyprus Drive (39.03190, -95.62320) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 52.8817 |
Freeway Ramps (Grade-Separated) Single-Lane |
2000 | Part of a major realignment of I-70 and K-4. Cyprus Drive is One Way Eastbound (away from the roundabout). Partial cloverleaf AB interchange type. Completed October 2000. ICD estimated from Google Maps linework. |
Santa Barbara,
CA Santa Barbara Co. United States |
Milpas St. / US 101 NB Ramps / Carpinteria St. (34.42073, -119.67765) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 62.4840 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Oblong shaped. ICD = 250 ft x 125 ft. Completed April 2000. Experienced one single-vehicle fatality (date unknown). 11861-05. |
Scottsdale,
AZ Maricopa Co. United States |
N. 64th St. / E. Lafayette Blvd. (33.49474, -111.94330) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.9119 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Las Vegas (Summerlin),
NV Clark Co. United States |
Havenwood Ave. / Desert Marigold Ln. / Navajo Willow Ln. (36.13360, -115.32110) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.5483 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Functional Class: Collector. Year Completed estimated (1999-2002). 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. |
Park City,
UT Summit Co. United States |
Rte 224 (Deer Valley Drive) / Heber Avenue / Marsac Avenue (40.64572, -111.49500) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 46.2161 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | See: www.Roundaboutsusa.com Information as reported in Salt Lake Tribune article: http://www.sltrib.com/2000/Sep/09142000/utah/22072.htm Previously controlled by two-way stop Functional Class: Arterial 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. |
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) |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
Phoenix,
AZ Maricopa Co. United States |
E. Cotton Center Blvd. / S. 44th Pl. (33.40279, -111.98790) |
Other Existing |
Unknown Unknown |
0 Approaches 0 Driveways 163.5163 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | ICD estimated from Google Maps linework. |
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 | |
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. |
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. |
Des Moines,
IA Polk Co. United States |
Gannett Ave. / Rittenhouse St. (41.52031, -93.65178) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 41.1341 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Fort Mill,
SC York Co. United States |
Assembly Dr. / First Baxter Crossing (35.02980, -80.96839) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 53.7889 |
Other (At-Grade) Single-Lane |
2000 | Year Completed estimated (1998-2002). ICD estimated from Google Maps linework. |
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. |
Loveland,
CO Larimer Co. United States |
Valley Oak Dr. / Clearwater Dr. (40.44328, -105.02180) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 34.5398 |
Other (At-Grade) Single-Lane |
2000 | Date estimated. Functional Class: Local ICD estimated from Google Maps linework. |
Parker,
CO Douglas Co. United States |
Main St. / (unknown) (39.51799, -104.75580) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 19.3480 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Loveland,
CO Larimer Co. United States |
Monte Vista Dr. East / W. 22nd St. (40.41451, -105.13180) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 24.5519 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Loveland,
CO Larimer Co. United States |
Monte Vista Dr. West / W. 22nd St. (40.41449, -105.13290) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 26.3706 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Loveland,
CO Larimer Co. United States |
New Castle Dr. / Tabernash Dr. (40.42599, -105.12010) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 24.5477 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Englewood,
CO Arapahoe Co. United States |
Englewood Pkwy. / S. Cherokee St. (39.65491, -104.99110) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 41.3782 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | ICD estimated from Google Maps linework. |
Hayward,
CA Alameda Co. United States |
Orchard Ave. / Joyce St. (37.65808, -122.07850) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.9103 |
Other (At-Grade) Single-Lane |
2000 | Painted splitter islands. Built as temporary in February 2000, reconstructed permanent central island 2001 (http://ci.hayward.ca.us/citygov/meetings/cca/rp/2000/rp091900-05.pdf). ICD estimated from Google Maps linework. |
Escalon,
CA San Joaquin Co. United States |
1st Ave. / Riesling Way (37.79437, -121.01140) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.8755 |
Other (At-Grade) Single-Lane |
2000 | Painted splitter islands. ICD estimated from Google Maps linework. |
Pleasanton,
CA Alameda Co. United States |
Valley Ave. / (unknown) (37.65670, -121.89670) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 28.3660 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Pleasanton,
CA Alameda Co. United States |
Valley Ave. / E Gate Way (37.65487, -121.89530) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.3667 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Pleasanton,
CA Alameda Co. United States |
Valley Ave. / Oak Vista Way (37.65349, -121.89390) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.4216 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Pleasanton,
CA Alameda Co. United States |
Valley Ave. / Pleasanton Ave. / Laguna Creek Ln. (37.65175, -121.89043) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2000 | |
Columbia,
MD Howard Co. United States |
Golden Straw Ln. / Long Meadow Ct. (39.21441, -76.81085) |
Traffic Calming Circle Existing |
Other None |
3 Approaches 0 Driveways 99.0123 |
Other (At-Grade) Single-Lane |
2000 | Yield control only on west leg. ICD estimated from Google Maps linework. |
Walnut Creek,
CA Alameda Co. United States |
Walnut Ave. / Oak Grove Rd. (37.91432, -122.00770) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 22.6138 |
Other (At-Grade) Single-Lane |
2000 | Right turn bypass lane in northwest quadrant. ICD estimated from Google Maps linework. |
Roseville,
CA Placer Co. United States |
Parkside Way / New Meadow Dr. (38.79915, -121.32150) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 26.9931 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Hilton Head,
SC Beaufort Co. United States |
Pembroke Dr. / Indigo Run Dr. (32.21179, -80.71949) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.5041 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Year Completed estimated (1994-2005). ICD estimated from Google Maps linework. |
Lincoln,
NE Lancaster Co. United States |
Southwest High School (40.73830, -96.70326) |
Traffic Calming Circle Existing |
All-Way Yield None |
3 Approaches 0 Driveways 25.3383 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Lincoln,
NE Lancaster Co. United States |
S 16th St. / Garret Ln. (40.73623, -96.69884) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.9093 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Woodbridge,
VA Prince William Co. United States |
Belmont Bay Dr. / Palisades St. (38.65612, -77.23753) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.4412 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | ICD estimated from Google Maps linework. |
Woodbridge,
VA Prince William Co. United States |
Belmont Bay Dr. / Course View Way (38.65403, -77.23640) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.1826 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Huntsville,
AL Madison Co. United States |
Home Depot Access / Costco Access (34.74251, -86.60383) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 30.4236 |
Other (At-Grade) Single-Lane |
2000 | Year Completed estimated (1998-2002). ICD estimated from Google Maps linework. |
Phoenix,
AZ Maricopa Co. United States |
Devonna Ln. / Watkins St. / 84th Dr. / Hammond Ln. (33.42601, -112.24090) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 23.9228 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Hercules,
CA Contra Costa Co. United States |
Refugio Valley Rd. / Redwood Rd. / Falcon Way (37.99686, -122.24780) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.8238 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
West Des Moines,
IA Dallas Co. United States |
Wistful Vista Dr. / S. 79th St. (41.56572, -93.81668) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.6372 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
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. |
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. |
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. |
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 |
Chesterfield,
MO St. Louis Co. United States |
Schoettler Valley Dr. / Highcroft Dr. (38.64415, -90.55331) |
Other Removed |
Unknown Unknown |
4 Approaches 0 Driveways 17.7235 |
Other (At-Grade) Single-Lane |
1999 | Temporary roundabout installed in Fall 1999. Removed September 25, 2000 due to negative public opinion. Intersection returned to AWSC. Functional Class: Local 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. |
Las Vegas (Summerlin),
NV Clark Co. United States |
Desert Primrose Ln. / Desert Marigold Ln. / Blue Willow Ln. (36.14060, -115.32090) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.5093 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Functional Class: Collector ICD estimated from Google Maps linework. |
Las Vegas (Summerlin),
NV Clark Co. United States |
Desert Primrose Ln. / Spotted Leaf Ln. / Pavillion Center Dr. (36.14070, -115.33120) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.4737 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Functional Class: Collector ICD estimated from Google Maps linework. |
Las Vegas (Summerlin),
NV Clark Co. United States |
Havenwood Ave. / Spotted Leaf Ln. / Golden Willow (36.13300, -115.33040) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.6194 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Functional Class: Collector ICD estimated from Google Maps linework. |
Annapolis,
MD Anne Arundel Co. United States |
Gateway Circle [MD 450 (West St.) / Taylor Ave. / Spa Rd.] (38.97630, -76.50486) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Elliptical shaped. ICD = 180 ft x 160 ft. Opened December 1999. |
Carlsbad,
CA San Diego Co. United States |
Legoland Dr. / Armada Dr. (33.13229, -117.31660) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
1999 | Unstriped circulatory roadway. |
(unincorporated),
MD Anne Arundel Co. United States |
Arundel Beach Rd. / Leelyn Dr. (39.07955, -76.54560) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.9594 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Lisbon,
MD Howard Co. United States |
MD 94 / Old Frederick Rd. (Lisbon North) (39.34810, -77.06930) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.7839 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Brattleboro,
VT Windham Co. United States |
Rte 9 / Rte 5 (42.88500, -72.55670) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.8160 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
1999 | Adjacent to I-89. Heavy truck volume (>7%). |
Arcata,
CA Humboldt Co. United States |
Samoa Blvd. / Buttermilk Ln. (40.85710, -124.07250) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.1329 |
Other (At-Grade) Single-Lane |
1999 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Arcata,
CA Humboldt Co. United States |
Samoa Blvd. / Union St. (40.86140, -124.07730) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.2273 |
Other (At-Grade) Single-Lane |
1999 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
SW Century Dr. / SW Colorado Ave. / SW Chandler Ave. (44.04180, -121.33200) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Single-Lane |
1999 | Completed Fall 1999. One leg comes in at 60 degree angle. Right-turn bypass lane part of conceptual design but removed for final. First modern roundabout in Oregon. |
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 28.9560 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Two-lane circulatory roadway across northern half. |
Ellicott City,
MD Howard Co. United States |
MD 104 (Waterloo Rd.) / MD 100 WB Ramps (39.22470, -76.80600) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
1999 | |
Federalsburg,
MD Caroline Co. United States |
MD 307 / MD 313 / MD 318 (38.68938, -75.78949) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.4247 |
Other (At-Grade) Single-Lane |
1999 | Rural, installed for safety reasons Previously controlled by two-way stop ICD estimated from Google Maps linework. |
Davis,
CA Yolo Co. United States |
Shasta Dr. / Olympic Dr. (38.55540, -121.77620) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.2833 |
Other (At-Grade) Single-Lane |
1999 | Previously controlled by one-way stop Functional Class: Arterial 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. |
Reno,
NV Washoe Co. United States |
Wedekind Rd. / Clear Acre Ln. (39.55157, -119.78930) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 23.0222 |
Other (At-Grade) Single-Lane |
1999 | Previously controlled by two-way stop ICD estimated from Google Maps linework. |
Superior,
CO Boulder Co. United States |
5th Ave. / Center Dr. (39.95764, -105.17190) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.1262 |
Other (At-Grade) Single-Lane |
1999 | Serves Costco and Target as part of 750,000 square foot shopping center. Functional Class: Local ICD estimated from Google Maps linework. |
Eugene,
OR Lane Co. United States |
N. Terry St. / Roosevelt Blvd. (44.06371, -123.18825) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 20.5969 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Lakewood,
CO Jefferson Co. United States |
Allison Pkwy. / Civic Center (39.70906, -105.08630) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 31.2390 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Carson City,
NV Carson City Co. United States |
E 5th St. / Fairview Dr. (39.16090, -119.72790) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
1999 | |
Northglenn,
CO Adams Co. United States |
Melody Dr. / Kennedy Dr. (39.89222, -104.99270) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.6541 |
Other (At-Grade) Single-Lane |
1999 | Roundabout is single-lane except for NB approach with separate RT lane. ICD estimated from Google Maps linework. |
Greenwood Village,
CO Arapahoe Co. United States |
S. Monaco St. / E. Berry Ave. (39.61682, -104.91340) |
Traffic Calming Circle Existing |
Unknown Unknown |
3 Approaches 0 Driveways 11.9603 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Greenwood Village,
CO Arapahoe Co. United States |
S. Monaco St. / E. Dorado Ave. (39.61319, -104.91350) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 9.2007 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Greenwood Village,
CO Arapahoe Co. United States |
S. Monaco St. / E. Dorado Pl. (39.61199, -104.91350) |
Traffic Calming Circle Existing |
Unknown Unknown |
3 Approaches 0 Driveways 11.0410 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Greenwood Village,
CO Arapahoe Co. United States |
S. Monaco St. / E. Ida Ave. (39.61082, -104.91350) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 14.7216 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Greenwood Village,
CO Arapahoe Co. United States |
S. Monaco St. / E. Powers Ave. (39.61501, -104.91350) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 9.2005 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Greenwood Village,
CO Arapahoe Co. United States |
S. Monaco St. / E. Prentice Pl. (39.61977, -104.91350) |
Traffic Calming Circle Existing |
Unknown Unknown |
3 Approaches 0 Driveways 14.7197 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Bloomington,
IN Monroe Co. United States |
High St. / Winslow Rd. / Rogers Rd. (39.13631, -86.50819) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.9078 |
Other (At-Grade) Single-Lane |
1999 | $497,000 construction cost. ICD estimated from Google Maps linework. |
Willimantic,
CT Windham Co. United States |
Eastern Rd. / (driveway) (ECSU Campus by clock tower) (41.72001, -72.21691) |
Traffic Calming Circle Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.0693 |
Other (At-Grade) Single-Lane |
1999 | Not properly signed and painted, but lots of potential for demonstrating this intersection concept. ICD estimated from Google Maps linework. |
Bel Air,
MD Harford Co. United States |
Tollgate Rd. / Wheel Rd. (39.48999, -76.32914) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.5729 |
Other (At-Grade) Single-Lane |
1999 | http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework. |
Davis,
CA Yolo Co. United States |
Moore Blvd. / Rockwell Dr. (38.56830, -121.72630) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 25.2127 |
Other (At-Grade) Single-Lane |
1999 | Date estimated. Functional Class: Local ICD estimated from Google Maps linework. |
Davis,
CA Yolo Co. United States |
Moore Blvd. / Wright Blvd. (38.56490, -121.71860) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.2801 |
Other (At-Grade) Single-Lane |
1999 | Date estimated. Functional Class: Local ICD estimated from Google Maps linework. |
Bel Air,
MD Harford Co. United States |
MD 7 / Holly Oaks Drive (39.48848, -76.21669) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.1039 |
Other (At-Grade) Single-Lane |
1999 | Opened September 1999. ICD estimated from Google Maps linework. |
Millington,
MD Kent Co. United States |
MD 291 / US 301 SB Ramps (39.26463, -75.86641) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.4393 |
Freeway Ramps (Grade-Separated) Single-Lane |
1999 | Opened August 1999. ICD estimated from Google Maps linework. |
Millington,
MD Kent Co. United States |
MD 291 / US 301 NB Ramps (39.26386, -75.86260) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.6656 |
Freeway Ramps (Grade-Separated) Single-Lane |
1999 | Opened August 1999. ICD estimated from Google Maps linework. |
Castle Marina,
MD Queen Annes Co. United States |
MD 18 / Castle Marina Rd. (38.97871, -76.28938) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.7819 |
Other (At-Grade) Single-Lane |
1999 | Previously controlled by two-way stop ICD estimated from Google Maps linework. |
Howard,
WI Brown Co. United States |
Lineville Rd. (CTH M) / Cardinal Ln. (CTH EB) (44.59090, -88.08430) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.7684 |
Other (At-Grade) Single-Lane |
1999 | Roundabout is near Forest Glen Elementary School, Lineville Intermediate School, and Bay Port High School. Completed October 1999. http://www.co.brown.wi.us/Planning/roundabouts.html Functional Class: Arterial ICD estimated from Google Maps linework. |
Howard,
WI Brown Co. United States |
Lineville Rd. (CTH M) / Rockwell Ln. (44.59080, -88.08880) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.0674 |
Other (At-Grade) Single-Lane |
1999 | Roundabout is adjacent to Lineville Intermediate School, Middle School, and High School. School did not allow pedestrian crossings prior to roundabout due to unsafe conditions, now allows crossings using crossing guard. Completed October 1999. http://www.co.brown.wi.us/Planning/roundabouts.html Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
St. George,
UT Washington Co. United States |
Main St. / 200 N St. / Diagonal St. (37.11152, -113.58350) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways 30.4778 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Orlando,
FL Orange Co. United States |
N. Westmoreland Dr. / N. Lake Adair Blvd. (28.56104, -81.39342) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 17.8328 |
Other (At-Grade) Single-Lane |
1999 | Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints Functional Class: Collector? ICD estimated from Google Maps linework. |