City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Littleton,
CO Arapahoe Co. United States |
Elati St. / Briarwood St. (39.59236, -104.99770) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop None |
4 Approaches 0 Driveways 5.5221 |
Other (At-Grade) Single-Lane |
Functional Class: Collector ICD estimated from Google Maps linework. | |
Loveland,
CO Larimer Co. United States |
Rocky Mountain Ave. / Foxtrail Dr. (40.40924, -105.00230) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.9231 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1994 | Entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework. |
Loveland,
CO Larimer Co. United States |
Rocky Mountain Ave. / McWhinney Blvd. (40.41059, -105.00230) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.6504 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1994 | Adjacent to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework. |
Milwaukee,
WI Milwaukee Co. United States |
S. 6th St. / W. Virginia St. / Florida St. (43.02698, -87.91770) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.7816 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Built as terminal of new bridge. Signal located downstream approximately 150-200 feet away (estimated) that queues back through roundabout during weekday p.m. peak. No lane designations on approach. Functional Class: Arterial ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
12th Ave. / Irving St. (46.19768, -119.19670) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.9874 |
Other (At-Grade) Single-Lane |
2001 | Functional Class: Collector ICD estimated from Google Maps linework. |
Gig Harbor,
WA Pierce Co. United States |
Borgen Blvd. / 51st (47.35959, -122.60640) |
Roundabout Existing |
All-Way Yield Active Pedestrian Warning (flashing yellow) |
4 Approaches 0 Driveways 35.5974 |
Other (At-Grade) Single-Lane |
2002 | In-pavement flashers in use on all crosswalks. Striped-out apron for future conversion to multilane. Opened September 2002. Functional Class: Arterial ICD estimated from Google Maps linework. |
Gig Harbor,
WA Pierce Co. United States |
Borgen Blvd. / SR 16 SB Ramps (47.35868, -122.61610) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.8342 |
Freeway Ramps (Grade-Separated) Single-Lane |
2004 | Opened March 2004. ICD estimated from Google Maps linework. |
Calabasas,
CA Los Angeles Co. United States |
Parkway Calabasas / Camino Portal (34.13878, -118.65890) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.6442 |
Other (At-Grade) Single-Lane |
2001 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Originally double-lane roundabout. Parkway Calabasas approaches tapered to single-lane in advance of entry by striping. Functional Class: Arterial 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. |
Howard,
WI Brown Co. United States |
Glendale Ave. / Hillcrest Heights (44.56551, -88.09801) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9305 |
Other (At-Grade) Single-Lane |
2008 | Opened August 1, 2008. ICD estimated from Google Maps linework. |
Lake Oswego,
OR Clackamas Co. United States |
SW Carman Dr. / SW Meadows Rd. / SW Quarry Rd. (45.41700, -122.72490) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.3422 |
Other (At-Grade) Single-Lane |
2003 | ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
SW Colorado Ave. / SW Simpson St. (44.04770, -121.32290) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.2050 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Clearwater,
FL Pinellas Co. United States |
Mandalay Ave. / Acacia St. (27.98970, -82.82660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.4750 |
Other (At-Grade) Single-Lane |
2001 | Boundary between commercial and residential area. Allows traffic attempting to park to use roundabout for U-turn without entering residential area. Also serves as U-turn for everyone, including WB-50 semis. Previously controlled by two-way stop Functional Class: Collector 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. |
Boynton Beach,
FL Palm Beach Co. United States |
Hagen Ranch Rd. / Gateway Blvd. / Aberdeen Lakes Rd. (26.54660, -80.16390) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 23.5051 |
Other (At-Grade) Single-Lane |
2000 | Date estimated. ICD estimated from Google Maps linework. |
Boynton Beach,
FL Palm Beach Co. United States |
Hagen Ranch Rd. / Le Chalet Blvd. (26.55650, -80.15710) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.2298 |
Other (At-Grade) Single-Lane |
2000 | Date estimated. 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. |
Amelia Island,
FL Nassau Co. United States |
SR A1A / Amelia Island Plantation (30.55717, -81.45009) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2001 | Year Completed estimated (1999-2003). |
Scottsdale,
AZ Maricopa Co. United States |
N 68th St. / E Cholla St. (33.58949, -111.93552) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2003 | Completed with traffic calming project. |
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. 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. |
Little Rock,
AR Pulaski Co. United States |
36th St. / Romine Rd. / West Rd. (34.72098, -92.38181) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.5782 |
Other (At-Grade) Single-Lane |
2001 | Elementary school and church nearby. http://www.contextsensitivesolutions.org/content/case_studies/kentucky_roundabout/resources/kentucky_roundabout_pdf/ Functional Class: Arterial ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NE 8th St. / 9th St. / Franklin Ave. (44.05600, -121.29380) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.7577 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Wisconsin Rapids,
WI Wood Co. United States |
STH 54 (2nd Ave.) / Gaynor Ave. / 17th Ave. (44.38025, -89.84447) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.3874 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2004 | Opened September 2004. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
University Place,
WA Pierce Co. United States |
Grandview Dr. / 62nd Ct. W / Park Entrance (47.20033, -122.56890) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.7785 |
Other (At-Grade) Single-Lane |
2000 | Opened September 2000. ICD estimated from Google Maps linework. |
University Place,
WA Pierce Co. United States |
Grandview Dr. / Bristonwood Dr. / 48th St. W (47.21334, -122.56880) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.9607 |
Other (At-Grade) Single-Lane |
2000 | Opened September 2000. ICD estimated from Google Maps linework. |
Sammamish,
WA King Co. United States |
NE Inglewood Hill / 216th Ave. NE (47.61554, -122.05180) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.3989 |
Other (At-Grade) Single-Lane |
2001 | October 2001. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE Mt. Hood Ave. / Frontage Rd. / PDX Airport Economy Blue Lot / PDX Airport Economy Red Lot (45.57770, -122.55950) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.7822 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Temple Hills,
MD Prince Georges Co. United States |
MD 637 (Naylor Rd.) / Good Hope Ave. (38.84922, -76.95655) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.6248 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Temple Hills,
MD Prince Georges Co. United States |
MD 637 (Naylor Rd.) / Oxon Run Dr. (38.84986, -76.95789) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.4150 |
Other (At-Grade) Single-Lane |
2001 | 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. |
North Harford,
MD Harford Co. United States |
MD 165 / MD 24 (39.67220, -76.40930) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.1750 |
Other (At-Grade) Single-Lane |
2000 | Rural Previously controlled by two-way stop ICD estimated from Google Maps linework. |
Scottsdale,
AZ Maricopa Co. United States |
N. 104th St. / E. Cholla St. (33.58976, -111.85660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.8878 |
Other (At-Grade) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
Scaggsville,
MD Howard Co. United States |
MD 216 / US 29 SB Ramps (39.14562, -76.90418) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.7228 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2001 | Series of 4 roundabouts. ICD estimated from Google Maps linework. |
Scaggsville,
MD Howard Co. United States |
MD 216 / US 29 NB Ramps / Ice Crystal Dr. (39.14476, -76.89799) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.7234 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2001 | Series of 4 roundabouts. 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. |
Scottsdale,
AZ Maricopa Co. United States |
N 70th Pl. / E Chaparral Rd. (33.50954, -111.92900) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-Lane |
2016 | A traffic calming circle was completed in 2002 on what was otherwise a TWSC intersection. Roundabout constructed in 2016. On south leg there is no entry into the roundabout but instead a yield-controlled right-turn bypass lane to prevent northbound-to-westbound cut-through traffic. |
Provo,
UT Utah Co. United States |
200 West (Freedom Blvd.) / 920 South (40.22177, -111.66230) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.5341 |
Other (At-Grade) Single-Lane |
2000 | 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. |
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. |
Topeka,
KS Shawnee Co. United States |
SW 29th St. / Urish Rd. (39.01446, -95.78102) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2001 | Completed July 2001 as single-lane roundabout. Retail shopping center on SW corner. Converted to partial double-lane roundabout 2010. 21442 |
Gordonsville,
VA Orange Co. United States |
James Madison Hwy / N. Main St. / Spotswood Trl. (38.14261, -78.18947) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 31.9366 |
Other (At-Grade) Single-Lane |
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. |
Orem,
UT Utah Co. United States |
2000 South / Sandhill Rd. (40.26074, -111.70420) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.7220 |
Other (At-Grade) Single-Lane |
2006 | ICD estimated from Google Maps linework. |
St. George,
UT Washington Co. United States |
Tabernacle Rd. / Main St. (37.10812, -113.58350) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 23.8119 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
St. George,
UT Washington Co. United States |
E. Brigham Rd. / I-15 NB Ramps (37.05939, -113.58350) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.8889 |
Freeway Ramps (Grade-Separated) Single-Lane |
2006 | Raindrop-shaped interchange terminal. ICD estimated from Google Maps linework. |
Rising Sun,
MD Cecil Co. United States |
MD 273 (Rising Sun Rd.) / MD 276 (Jacob Tome Memorial Hwy.) (39.69595, -76.08018) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.5157 |
Other (At-Grade) Single-Lane |
2003 | ICD estimated from Google Maps linework. |
Rosemont,
MD Frederick Co. United States |
MD 17 / MD 180 (39.33768, -77.63950) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 30.4828 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Urbana,
MD Frederick Co. United States |
MD 80 / Sugarloaf Pkwy. / Bennett Creek Blvd. (39.32467, -77.34974) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 52.6619 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Rural ICD estimated from Google Maps linework. |
Orem,
UT Utah Co. United States |
S 800 W / College Dr. / Sandhill Rd. (UVSC South Entrance) (40.27592, -111.71290) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 36.4480 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1996 | ICD estimated from Google Maps linework. |
Lacey,
WA Thurston Co. United States |
Marvin Rd. / Britton Pkwy. (47.06905, -122.77090) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 46.3682 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Completed September 14, 2000. Functional Class: Arterial ICD estimated from Google Maps linework. |
Duvall,
WA King Co. United States |
SR 203 (Carnation-Duvall Rd.) / 124th St. / Novelty Hill (47.70910, -121.98440) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.9865 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2004 | http://www.wsdot.wa.gov/projects/sr203/NE124thNoveltyRd/ Functional Class: Arterial ICD estimated from Google Maps linework. |
Tooele,
UT Tooele Co. United States |
W 2000 N / N 70 W (40.56555, -112.30310) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.1987 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
North Haven,
NY Suffolk Co. United States |
Tyndall Road / Rte. 114 (Ferry Rd.) (41.01303, -72.31309) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.2334 |
Other (At-Grade) Single-Lane |
2001 | Replaced a dangerous 2-way stop. Previously controlled by two-way stop 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. |
Fairbanks,
AK Fairbanks North Star United States |
Thompson Dr / Tanana Loop Dr (64.85564, -147.84200) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 52.2695 |
Other (At-Grade) Single-Lane |
2004 | The site is on the University of Alaska, Fairbanks, school campus. The project constructed a new entrance onto the campus intersecting by means of a roundabout with an existing three leg stop controlled intersection. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Murray,
KY Calloway Co. United States |
Gilbert Groves Dr. / Murray State University parking lot (36.62003, -88.31861) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.0473 |
Other (At-Grade) Single-Lane |
2003 | ICD estimated from Google Maps linework. |
Bainbridge Island,
WA Kitsap Co. United States |
High School Rd. / Madison Ave. (47.63579, -122.52100) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.9484 |
Other (At-Grade) Single-Lane |
2000 | Greatly reduced congestion. Initial public opposition has turned to full support. Project located next to 3 schools. Separated sidewalks, timed yellow flashing lights during school crossing. Crossing guards. Near library and shopping center. Opened October 2000. ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
SW Mt. Washington Dr. / SW Simpson Ave. (44.04736, -121.34400) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.6208 |
Other (At-Grade) Single-Lane |
2013 | ICD estimated from Google Maps linework. |
Moses Lake,
WA Grant Co. United States |
Yonezawa Blvd. / Clover Dr. / Kittleson Rd. (47.10387, -119.25730) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.8990 |
Other (At-Grade) Single-Lane |
2001 | Part of series of 3 roundabouts. Functional Class: Collector ICD estimated from Google Maps linework. |
Moses Lake,
WA Grant Co. United States |
Yonezawa Blvd. / Leanne Ave. (47.10454, -119.27060) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.4597 |
Other (At-Grade) Single-Lane |
2001 | Completed fall 2001. Part of series of 3 roundabouts. Functional Class: Collector ICD estimated from Google Maps linework. |
Anchorage,
AK Anchorage United States |
Southport Dr. / Maritime Loop / Washington Ave. (61.12706, -149.92590) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.9886 |
Other (At-Grade) Single-Lane |
2001 | The first winter resulted in several accidents, including the loss of a number of light poles around the circle. In response, minor modifications were made to the roundabout in 2002. ICD estimated from Google Maps linework. |
Woodland,
CA Yolo Co. United States |
Gum Ave. / Bourn Dr. (38.66820, -121.74710) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 64.3428 |
Other (At-Grade) Single-Lane |
2008 | Built as temporary in 2002. Temporary removed in 2008 and converted to AWSC. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Dumont / Cresskill,
NJ Bergen Co. United States |
Madison Ave. / Knickerbocker Rd. (Monument) (40.94127, -73.97681) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 74.8804 |
Other (At-Grade) Single-Lane |
Completed May 30, 1924. Nearest traffic count was conducted on Knickerbocker Road (County Route 505) about 0.5 km from the intersection. http://tcs.state.nj.us/tmsweb/Report/h2d5c913_99_hrvolume.pdf Functional Class: Local ICD estimated from Google Maps linework. | |
Hebron,
KY Kenton Co. United States |
North Bend Rd. / Graves Rd. / Old North Bend Rd. (39.09881, -84.71849) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 46.3432 |
Other (At-Grade) Single-Lane |
2009 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
Sunnyside Ave. N / N 43rd St. (47.65912, -122.33020) |
Traffic Calming Circle Existing |
Uncontrolled Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2006 | |
Guelph,
ON Wellington County Canada |
Summerfield Dr. / Colonial Dr. (43.51809, -80.18253) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.4466 |
Other (At-Grade) Single-Lane |
2001 | Located in Pine Ridge East residenital subdivision Functional Class: Collector ICD estimated from Google Maps linework. |
Lexington,
KY Lexington-Fayette Co. United States |
Old Frankfort Pike / Alexandria Dr. (38.06952, -84.55762) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2010 | |
Bradenton Beach,
FL Manatee Co. United States |
SR 789 / Bridge St. (27.46500, -82.69847) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 14.8361 |
Other (At-Grade) Single-Lane |
1994 | Completed August 1994. ICD estimated from Google Maps linework. |
Las Vegas,
NV Clark Co. United States |
Lake South / Crystal Water Way (36.13289, -115.29050) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 25.0796 |
Other (At-Grade) Single-Lane |
1994 | Completed August 1994. Functional Class: Collector ICD estimated from Google Maps linework. |
(unincorporated),
FL Palm Beach Co. United States |
Lakes at Boca Raton / Cain Blvd. (26.39603, -80.21160) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.3962 |
Other (At-Grade) Single-Lane |
1994 | Completed November 1994. ICD estimated from Google Maps linework. |
Lisbon,
MD Howard Co. United States |
MD 94 / MD 144 (39.33700, -77.07360) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
1993 | First roundabout in Maryland. Built initially as temporary, made permanent after one month. |
Gainesville,
FL Alachua Co. United States |
SE 7th St. / SE 4th Ave. (29.64824, -82.31792) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.2880 |
Other (At-Grade) Single-Lane |
1992 | Pedestrian crossings within circulatory roadway. Completed April 1992. |
Long Beach,
CA Los Angeles Co. United States |
Los Alamitos Circle (Hwy. 1 / Lakewood Blvd. / Los Coyotes Diagonal) (33.78989, -118.14250) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 137.1597 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1993 | Traffic circle conversion. Modified in 2020 to reduce lanes. 21442 |
Las Vegas (Summerlin),
NV Clark Co. United States |
Town Center Dr. / Hualapai Way (36.17850, -115.31770) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 70.1040 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1990 | Completed March 1990. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. ICD estimated from Google Maps linework. 21442 |
Las Vegas (Summerlin),
NV Clark Co. United States |
Town Center Dr. / Village Center Cir. / Library Hills Dr. (36.18960, -115.30360) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 91.4400 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1990 | Completed March 1990. Modified 2010 to reduce lane configuration. 21442 |
Boca Raton,
FL Palm Beach Co. United States |
SW 18th St. / Juana Rd. (SW 12th Ave.) (26.33206, -80.11059) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
Raised splitter islands on SW 18th St., painted splitter islands on Juana Rd.. Flashing warning beacon on eastbound SW 18th St. approach. Year Completed unknown (before 1985). | |
Vail,
CO Eagle Co. United States |
Vail Rd. / I-70 WB Ramps / North Frontage Rd. / Spraddle Cr. Rd. (39.64477, -106.37770) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1995 | Raindrop-shaped central island. |
Lothian,
MD Anne Arundel Co. United States |
MD 2 / MD 408 / MD 422 (38.82973, -76.61590) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.8423 |
Other (At-Grade) Single-Lane |
1995 | Completed October 1995. ICD estimated from Google Maps linework. |
Elkton,
MD Cecil Co. United States |
MD 213 (Fair Hill Rd.) / Leeds Rd. / Elk Mill Rd. (Lanzi Circle) (39.66364, -75.85529) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.0178 |
Other (At-Grade) Single-Lane |
1995 | Previously controlled by two-way stop. Functional Class: Arterial ICD estimated from Google Maps linework. |
Cearfoss,
MD Washington Co. United States |
MD 63 / MD 58 / MD 494 (Cearfoss Pike) (39.70017, -77.77593) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
1995 | Completed December 1995. |
Modesto,
CA Stanislaus Co. United States |
Chandon Dr. / Calero Dr. (37.67642, -120.93380) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4132 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Modesto,
CA Stanislaus Co. United States |
Bowen Ave. / Fremont Ave. (37.67470, -121.00260) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.9061 |
Other (At-Grade) Single-Lane |
2002 | Previously controlled by twsc ICD estimated from Google Maps linework. |
Sarasota,
FL Sarasota Co. United States |
South Gate Circle (Tuttle Ave. / Siesta Dr.) (27.30536, -82.51414) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 120.9825 |
Other (At-Grade) Unknown |
Yield control on circulatory roadway. ICD estimated from Google Maps linework. | |
Naples,
FL Collier Co. United States |
7th St. N. / 7th Ave. N. (26.15619, -81.79971) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.5125 |
Other (At-Grade) Single-Lane |
1998 | Installed for traffic calming. Detailed traffic volume, speed data available. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Naples,
FL Collier Co. United States |
7th St. N. / 11th Ave. N. (26.15712, -81.79420) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 13.7160 |
Other (At-Grade) Single-Lane |
1996 | Installed for traffic calming. Painted splitter islands. Detailed traffic volume, speed data available. ICD estimated from Google Earth. |
Naples,
FL Collier Co. United States |
7th St. N. / 12th Ave. N. (26.15734, -81.79282) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 13.7160 |
Other (At-Grade) Single-Lane |
1996 | Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Earth. |
Hollywood,
FL Broward Co. United States |
Hollywood Blvd. / Rainbow Dr. (26.01050, -80.18360) |
Other Existing |
One-Way/Two-Way Stop None |
4 Approaches 0 Driveways 274.3200 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Uncontrolled mainline, stop-control on side street. Building and parking in central island. | |
Hollywood,
FL Broward Co. United States |
Hollywood Blvd. / 26th Ave. (26.01110, -80.15920) |
Signalized Roundabout/Circle Existing |
Signal None |
4 Approaches 0 Driveways 200.7172 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Signal access to parking and building in center of circle. ICD estimated from Google Maps linework. | |
Lake Worth,
FL Palm Beach Co. United States |
SR 802 (Lucerne Ave. - Lake Ave.) / A St. (26.61670, -80.06500) |
Roundabout Existing |
All-Way Yield Pedestrian Signal (red-yellow-green to drivers) |
4 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2002 | ICD = 190 ft x 140 ft. |
Naples,
FL Collier Co. United States |
8th St. S / 12th Ave. S (26.13267, -81.79491) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.2281 |
Other (At-Grade) Single-Lane |
1996 | Installed for community enhancement. ICD estimated from Google Maps linework. |
Naples,
FL Collier Co. United States |
7th St. N. / 3rd Ave. N. (26.15530, -81.80524) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 9.6483 |
Other (At-Grade) Single-Lane |
1998 | Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Maps linework. |
Tavares,
FL Lake Co. United States |
Main St. / Disston Ave. / Lake Dora Dr. (28.80215, -81.72475) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 20.9315 |
Other (At-Grade) Single-Lane |
1996 | Railroad tracks running along edge of central island. RR unprotected, train frequency 1-2/wk, 10 mph. ICD estimated from Google Maps linework. |
Clovis,
NM Curry Co. United States |
Hwy 245 (Llano Estacado Blvd.) / Norris St. (34.43384, -103.17830) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.3276 |
Other (At-Grade) Single-Lane |
2006 | Completed February 27, 2006. Website: http://www.cityofclovis.org/roundabout/roundabout.htm ICD estimated from Google Maps linework. |