City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Truckee,
CA Nevada Co. United States |
Donner Pass Rd. / W. River St. / McIver Crossing (39.32510, -120.19200) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.1077 |
Other (At-Grade) Single-Lane |
1998 | Fatal crash. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework. |
Port Orchard,
WA Kitsap Co. United States |
Mile Hill Dr. (Hwy 166) / Bethel Ave. (47.53467, -122.62730) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.7045 |
Other (At-Grade) Single-Lane |
1998 | Previously a Y Intersection. Opened June 1998. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Arcata,
CA Humboldt Co. United States |
West End Rd. / Spear Ave. / Saint Louis Rd. (40.88910, -124.08210) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.0866 |
Other (At-Grade) Single-Lane |
1998 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Greenbelt,
MD Prince Georges Co. United States |
Hanover Pkwy. / Village Park Dr. / Schrom Hills Community Park entrance (38.98378, -76.87333) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.4960 |
Other (At-Grade) Single-Lane |
1998 | Year Completed estimated (1994-2001). ICD estimated from Google Maps linework. |
Carmel,
IN Hamilton Co. United States |
Hazel Dell Pkwy. / E 126th St. (39.97119, -86.07069) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
1998 | |
Carmel,
IN Hamilton Co. United States |
Hazel Dell Pkwy. / E 131st St. (39.97845, -86.07054) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
1998 | Built in late 1990s.Converted to multilane 2010-2012. Right-turn-only lane on west leg; left-turn-only lane on east leg. |
Davis,
CA Yolo Co. United States |
5th St. / Cantrill Dr. (38.55160, -121.72010) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.9547 |
Other (At-Grade) Single-Lane |
1998 | Police station on SW corner. Date estimated. ICD estimated from Google Maps linework. |
Mount Pleasant,
SC Charleston Co. United States |
Rifle Range Rd. / Bowman Rd. (Veterans Circle) (32.80469, -79.84284) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 31.1197 |
Other (At-Grade) Single-Lane |
1998 | Year Completed estimated (1994-2002) ICD estimated from Google Maps linework. |
Denver,
CO Denver Co. United States |
E. Lowry Blvd. / N. Uinta Way (39.71986, -104.89070) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 50.5258 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | ICD estimated from Google Maps linework. |
Denver,
CO Denver Co. United States |
E. Lowry Blvd. / Yosemite St. (39.72373, -104.88400) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 51.4416 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | ICD estimated from Google Maps linework. |
Boynton Beach,
FL Palm Beach Co. United States |
Hagen Ranch Rd. / Charleston Shores Blvd. (26.56520, -80.15560) |
Roundabout Existing |
All-Way Yield Active Pedestrian Warning (flashing yellow) |
4 Approaches 0 Driveways 23.5012 |
Other (At-Grade) Single-Lane |
1998 | ICD estimated from Google Maps linework. |
Delray Beach,
FL Palm Beach Co. United States |
Lake Ida Rd. / Via Flora Dr. (26.46919, -80.13670) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.5900 |
Other (At-Grade) Single-Lane |
1998 | Fatal crash January 28, 2005. 11861-05. ICD estimated from Google Maps linework. |
Golden,
CO Jefferson Co. United States |
S. Golden Rd. / Johnson Rd. / 16th St. (39.74207, -105.20060) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.6526 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Functional Class: Arterial ICD estimated from Google Maps linework. |
Golden,
CO Jefferson Co. United States |
S. Golden Rd. / Lunnonhaus Dr. (39.74062, -105.19840) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Small two-lane roundabout but with nontraversable central island. |
Golden,
CO Jefferson Co. United States |
S. Golden Rd. / Utah St. (39.73919, -105.19620) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 23.8782 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Golden,
CO Jefferson Co. United States |
S. Golden Rd. / Ulysses St. (39.73771, -105.19390) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.5734 |
Other (At-Grade) Single-Lane |
1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Main entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
Horizon Dr. / 12th St. (39.10165, -108.55234) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 1 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
1998 | Bicycle-only (bike-only) driveway into circulatory roadway in northeast quadrant, leading into bicycle (bike) roundabout. |
Orlando,
FL Orange Co. United States |
N. Westmoreland Dr. / S. Lake Adair Blvd. (28.55947, -81.39339) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 22.0291 |
Other (At-Grade) Single-Lane |
1998 | Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints; skewed Functional Class: Collector? ICD estimated from Google Maps linework. |
The Villages,
FL Sumter Co. United States |
Buena Vista Blvd. / Glenview Rd. / El Camino Real (28.95271, -82.00076) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 71.0641 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | ICD estimated from Google Maps linework. |
Denver,
CO Denver Co. United States |
N. Uinta Way / E. 6th Ave. Pkwy. (39.72570, -104.89200) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 51.4401 |
Other (At-Grade) Single-Lane |
1998 | ICD estimated from Google Maps linework. |
The Villages,
FL Sumter Co. United States |
Morse Blvd. / El Camino Real / Paige Pl. (28.94803, -81.95540) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 68.9771 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | ICD estimated from Google Maps linework. |
Denver,
CO Denver Co. United States |
E. Lowry Blvd. / E Fairmount Dr. / Rampart Way (39.71718, -104.89580) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 49.6091 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | ICD estimated from Google Maps linework. |
Provo,
UT Utah Co. United States |
1700 North / 1730 North / 1500 West (40.25650, -111.68530) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.4324 |
Other (At-Grade) Single-Lane |
1998 | ICD estimated from Google Maps linework. |
Provo,
UT Utah Co. United States |
1730 North / 1740 West (40.25703, -111.68890) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.3437 |
Other (At-Grade) Single-Lane |
1998 | ICD estimated from Google Maps linework. |
Colorado Springs,
CO El Paso Co. United States |
Rockhurst Blvd. / University Park Blvd. (38.91005, -104.78980) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 21.3750 |
Other (At-Grade) Single-Lane |
1998 | ICD estimated from Google Maps linework. |
Abingdon,
MD Harford Co. United States |
Tollgate Rd. / Singer Rd. (39.47828, -76.32727) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.8121 |
Other (At-Grade) Single-Lane |
1998 | http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework. |
Gaithersburg,
MD Montgomery Co. United States |
Winter Walk Dr. / Highland Ridge Ave. (39.12807, -77.22692) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.2800 |
Other (At-Grade) Single-Lane |
1998 | Year Completed estimated (1993-2002). Was cul-de-sac prior to addition of two more legs. ICD estimated from Google Maps linework. |
Vaughan,
ON York Canada |
S Park Rd. / S Park Rd. (43.83875, -79.39747) |
Other Existing |
Unknown None |
2 Approaches 0 Driveways 40.0000 |
Other (At-Grade) Single-Lane |
1998 | Year Completed estimated (before 2002) |
Parker,
CO Douglas Co. United States |
Clubhouse Dr. / S Pikes Peak Dr. (39.51305, -104.76302) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.5634 |
Other (At-Grade) Single-Lane |
1998 | Year Completed estimated (1994-1999). ICD estimated from Google Maps linework. |
Woodbridge,
VA Prince William Co. United States |
Greatbridge Rd. / Mays Quarter Rd. (38.68304, -77.34802) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.7509 |
Other (At-Grade) Single-Lane |
1998 | Year Completed estimated (1994-2002). ICD estimated from Google Maps linework. |
Lakeport,
CA Lake Co. United States |
Todd Rd. / Parallel Dr. (39.03226, -122.92521) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.5433 |
Other (At-Grade) Single-Lane |
1998 | Year Completed estimated (1993-2003). ICD estimated from Google Maps linework. |
Fairview,
CA Alameda Co. United States |
Fairview Ave. / Five Canyons Pkwy. / East Ave. (Star Ridge Rd.) (37.67520, -122.03220) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 20.7965 |
Other (At-Grade) Single-Lane |
1998 | https://www.sfgate.com/bayarea/article/COMMUTER-CHRONICLES-IN-A-ROUNDABOUT-WAY-The-2975842.php ICD estimated from Google Maps linework. |
Yuma,
AZ Yuma Co. United States |
S Main St. / E 3rd St. (32.72258, -114.61788) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 15.0718 |
Other (At-Grade) Single-Lane |
1999 | Painted splitter islands on Main St. Year Completed estimated (1996-2002). ICD estimated from Google Maps linework. |
Newberg,
OR Yamhill Co. United States |
Foothills Dr. / Center St. (45.32467, -122.96999) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.8710 |
Other (At-Grade) Single-Lane |
1999 | Very small splitter islands, with pedestrian crossings next to circulatory roadway. ICD estimated from Google Maps linework. |
Elgin,
SC Richland Co. United States |
Jacobs Millpond Rd. / Woodcreek Farms Rd. (34.12103, -80.83451) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 23.7295 |
Other (At-Grade) Single-Lane |
1999 | Year Completed estimated (1994-2003). ICD estimated from Google Maps linework. |
Norman,
OK Cleveland Co. United States |
Manor Hill Dr. / Sherburne Rd. (35.22406, -97.50950) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 5 Driveways 36.0991 |
Other (At-Grade) Single-Lane |
1999 | No truck apron. Year Completed estimated (1995-2003). ICD estimated from Google Maps linework. |
Maryland Heights,
MO St. Louis Co. United States |
Casino Center Dr. / (casino parking) (38.75175, -90.47969) |
Other Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.1195 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Yield on circulatory roadway. Year Completed estimated (1996-2002) ICD estimated from Google Maps linework. |
Jensen Beach,
FL Martin Co. United States |
SR 707 / Pineapple Dr. / Jensen Beach Causeway (27.25074, -80.22818) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.7914 |
Other (At-Grade) Single-Lane |
1999 | RT only lanes entering roundabout on two approaches. ICD estimated from Google Maps linework. |
Honolulu,
HI Oahu Co. United States |
Keeaumoku St. / Heulu St. (21.30592, -157.83500) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 17.8032 |
Other (At-Grade) Single-Lane |
1999 | Urban. ICD estimated from Google Maps linework. |
Barnstable,
MA Barnstable Co. United States |
Rte 149 / Race Ln. (41.68164, -70.40159) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.8676 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Lexington,
KY Fayette Co. United States |
W Reynolds Rd. / Keithshire Way / Wellington Way (37.99520, -84.53814) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 62.1196 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Opened between 1997 and 2002. Functional Class: Collector ICD estimated from Google Maps linework. |
Provo,
UT Utah Co. United States |
5000 North / Edgewood Dr. (40.30066, -111.65750) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 19.1282 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Stillwater,
MN Washington Co. United States |
Rutherford Rd. / 72nd St. / New England Pl. (School House Circle) (45.05673, -92.85909) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 55.6830 |
Other (At-Grade) Single-Lane |
1999 | Functional Class: Local ICD estimated from Google Maps linework. |
New Castle,
CO Garfield Co. United States |
Castle Valley Blvd. / Pyramid St. (39.57959, -107.52880) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 33.1386 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
New Castle,
CO Garfield Co. United States |
Castle Valley Blvd. / (TBD) (39.57517, -107.52190) |
Roundabout Existing |
Unknown Unknown |
2 Approaches 0 Driveways 31.2996 |
Other (At-Grade) Single-Lane |
1999 | Facilitates U-turns. ICD estimated from Google Maps linework. |
Linton Hall,
VA Prince William Co. United States |
Braemar Pkwy. (VA 3080) / Iona Sound Dr. (VA 3089) (38.73510, -77.56889) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 46.5816 |
Other (At-Grade) Single-Lane |
1999 | Year Completed estimated (1994-2002). ICD estimated from Google Maps linework. |
Petaluma,
CA Sonoma Co. United States |
Casa Grande Rd. / Ely Blvd. (38.24348, -122.59580) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.8924 |
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. |
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. |
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. |
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. |
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. |
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 |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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%). |
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. |
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. |
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. |
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. |
(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. |
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. |
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. |
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. |
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. |
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. |
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 |
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. |
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. |
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. |
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. |
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. |
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. |
Cincinnati,
OH Hamilton Co. United States |
Fulton Ave / Eden Park Drive (39.11472, -84.49347) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.2865 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
(unincorporated),
FL Seminole Co. United States |
Alaqua Lakes Blvd. / Lakeview Oaks Dr. / Ashton Oaks Cove (28.75415, -81.39022) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 58.6353 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |