City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Eugene,
OR Lane Co. United States |
S Garden Way / Commons Dr. (44.06097, -123.05200) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.0309 |
Other (At-Grade) Single-Lane |
2004 | Year completed estimated (2003-2005). ICD estimated from Google Maps linework. |
Williston,
ND Williams Co. United States |
32nd Ave. W / 11th St. W (48.15423, -103.66909) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.2288 |
Other (At-Grade) Single-Lane |
2014 | ICD estimated from Google Maps linework. |
Williston,
ND Williams Co. United States |
32nd Ave. W / 26th St. W / 138th Ave. NW / 52nd St. NW (48.16870, -103.66909) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.6411 |
Other (At-Grade) Single-Lane |
2011 | Right-turn bypass lanes on south and east legs. ICD estimated from Google Maps linework. |
Williston,
ND Williams Co. United States |
26th St. W / Pheasant Run Pkwy. (48.16870, -103.65330) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.6065 |
Other (At-Grade) Single-Lane |
2013 | Right-turn only lane on east leg. ICD estimated from Google Maps linework. |
Grand Forks,
ND Grand Forks Co. United States |
Airport Dr. / Airport Dr. (47.94149, -97.17424) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.4026 |
Other (At-Grade) Single-Lane |
2011 | Serves airport. ICD estimated from Google Maps linework. |
Grand Forks,
ND Grand Forks Co. United States |
S 34th St. / 24th Ave. S (47.89576, -97.07623) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.6287 |
Other (At-Grade) Single-Lane |
2014 | ICD estimated from Google Maps linework. |
Grand Forks,
ND Grand Forks Co. United States |
S 34th St. / 40th Ave. S (47.88244, -97.07736) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2014 | |
Bismarck,
ND Burleigh Co. United States |
Whisper Dr. / Langer Ln. (46.77614, -100.82328) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.9892 |
Other (At-Grade) Single-Lane |
2011 | ICD estimated from Google Maps linework. |
Killdeer,
ND Dunn Co. United States |
ND 22 / ND 200 (47.35753, -102.75870) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 59.0617 |
Other (At-Grade) Single-Lane |
2012 | ICD estimated from Google Maps linework. |
Killdeer,
ND Dunn Co. United States |
ND 200 / Northwest Bypass / 109th Ave SW (47.35765, -102.80121) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.3981 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Killdeer,
ND Dunn Co. United States |
ND 22 / Northwest Bypass (47.41148, -102.79697) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 54.9601 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Fairview,
ND McKenzie Co. United States |
ND 58 / ND 200 / 161st Ave. NW (47.86274, -104.03337) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.2823 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Frisco,
TX Collin Co. United States |
Burnt Prairie Ln. / Elk Grove Ln. (33.19066, -96.77473) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5277 |
Other (At-Grade) Single-Lane |
2015 | . |
New Waverly,
TX Walker Co. United States |
FM 1375 Rd. / I-45 SB Frontage Rd. (30.53485, -95.49678) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 54.8630 |
Freeway Ramps (Grade-Separated) Single-Lane |
2015 | . |
New Waverly,
TX Walker Co. United States |
FM 1375 Rd. / I-45 NB Frontage Rd. (30.53557, -95.49278) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 54.8640 |
Freeway Ramps (Grade-Separated) Single-Lane |
2015 | . |
Mount Pleasant,
SC Charleston Co. United States |
Rifle Range Rd. / Venning Rd. / Old Landing Rd. (32.81335, -79.83051) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.1129 |
Other (At-Grade) Single-Lane |
2003 | ICD estimated from Google Maps linework. |
Mount Pleasant,
SC Charleston Co. United States |
Mathis Ferry Rd. / Shelmore Blvd. (32.81177, -79.87913) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.1021 |
Other (At-Grade) Single-Lane |
1998 | ICD estimated from Google Maps linework. |
Mount Pleasant,
SC Charleston Co. United States |
Mathis Ferry Rd. / SR S-10-503 (32.81094, -79.88391) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.1061 |
Other (At-Grade) Single-Lane |
2006 | ICD estimated from Google Maps linework. |
Mount Pleasant,
SC Charleston Co. United States |
Mathis Ferry Rd. / 7th Ave. / Walt Miller St. (32.80825, -79.89030) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.1069 |
Other (At-Grade) Single-Lane |
2013 | Replaced two offset T-intersections. ICD estimated from Google Maps linework. |
Mount Pleasant,
SC Charleston Co. United States |
Longpoint Rd. / Needlerush Pkwy. (32.84476, -79.83325) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.1329 |
Other (At-Grade) Single-Lane |
2014 | ICD estimated from Google Maps linework. |
Mount Pleasant,
SC Charleston Co. United States |
Mathis Ferry Rd. / Hospital Dr. / Preservation Pl. (32.82325, -79.85043) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.1059 |
Other (At-Grade) Single-Lane |
2010 | ICD estimated from Google Maps linework. |
San Diego,
CA San Diego Co. United States |
Streamview Dr. / Michael St. / Lynn St. (32.74338, -117.07161) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 24.1092 |
Other (At-Grade) Single-Lane |
2017 | Side street splitter islands are mini-style (no pedestrian refuge). Truck apron is 1" thick or less” ICD estimated from Google Maps linework. |
San Diego,
CA San Diego Co. United States |
Streamview Dr. / Gayle St. (32.74436, -117.06584) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
3 Approaches 1 Driveways 15.0681 |
Other (At-Grade) Single-Lane |
2017 | Side street splitter island is mini-style (no pedestrian refuge), Truck apron is 1" thick or less ICD estimated from Google Maps linework. |
Frisco,
TX Denton Co. United States |
Bonneville Rd. / Cross Grained Dr. (33.14521, -96.88339) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.5274 |
Other (At-Grade) Single-Lane |
2016 | |
Frisco,
TX Denton Co. United States |
Bonneville Rd. / Barking Irons Dr. (33.14352, -96.88088) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2016 | . |
Frisco,
TX Denton Co. United States |
Red Rock Canyon Rd. / Coulter Lake Rd. (33.13987, -96.87827) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2012 | . |
Frisco,
TX Denton Co. United States |
Bridle Blvd. / Coulter Lake Rd. (33.13840, -96.87734) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2013 | |
Acworth-Kennesaw,
GA Cobb Co. United States |
W Sandtown Rd. / Villa Rica Rd. (33.92703, -84.63775) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2008 | |
Durango,
CO La Plata Co. United States |
Jenkins Ranch Rd. / Lizard Head (south) (37.28605, -107.84710) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 24.7061 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Durango,
CO La Plata Co. United States |
Jenkins Ranch Rd. / Lizard Head (north) (37.28920, -107.84310) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 27.5556 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Catonsville,
MD Baltimore Co. United States |
MD 372 / Hilltop Rd. / Entrance to UMBC (39.25733, -76.71964) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.1417 |
Other (At-Grade) Single-Lane |
1998 | Functional Class: Collector 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. |
Ellicott City,
MD Howard Co. United States |
MD 103 / MD 100 WB Ramps (39.20846, -76.78294) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.3154 |
Freeway Ramps (Grade-Separated) Single-Lane |
1998 | Opened November 1998. ICD estimated from Google Maps linework. |
Ellicott City,
MD Howard Co. United States |
MD 103 / MD 100 EB Ramps (39.20733, -76.78243) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.5396 |
Freeway Ramps (Grade-Separated) Single-Lane |
1998 | Opened November 1998. ICD estimated from Google Maps linework. |
Ellicott City,
MD Howard Co. United States |
Snowden River Pkwy. / MD 100 WB Ramps (39.21233, -76.79544) |
Roundabout Existing |
All-Way Yield Metering Signal |
3 Approaches 0 Driveways 25.9105 |
Freeway Ramps (Grade-Separated) Single-Lane |
1998 | Opened November 1998. Metering signal on Snowden River Pkwy approach. ICD estimated from Google Maps linework. |
Phoenix,
AZ Maricopa Co. United States |
S. Pointe Pkwy. W / S. Pointe Pkwy. E (33.37649, -111.97210) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 50.8650 |
Other (At-Grade) Single-Lane |
1994 | Before 1997. ICD estimated from Google Maps linework. |
Douglasville,
GA Douglas Co. United States |
SR 5 / SR 166 (33.61361, -84.83688) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.8602 |
Other (At-Grade) Single-Lane |
2007 | Fatal crash November 24, 2011. 11861-05. 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. |
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. |
Stuart,
FL Martin Co. United States |
N. Colorado Ave. / E. Osceola St. (27.19860, -80.25300) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.9303 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
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. |
Olmos Park,
TX Bexar Co. United States |
Olmos Dr. / El Prado Dr. / McCullough Ave. (29.47094, -98.49162) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 32.0037 |
Other (At-Grade) Single-Lane |
1996 | Completed July 1996. |
Manchester,
VT Bennington Co. United States |
Rte. 7A / Equinox (Grand Union) (43.17309, -73.06181) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.1304 |
Other (At-Grade) Single-Lane |
1997 | Roundabout is in a retail/outlet district in a resort area. VT 7-A is posted as a Historic Highway and is the local business route, while the parallel US 7 is a two-lane, limited access bypass that carries through truck traffic. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Nederland,
CO Boulder Co. United States |
SH 72 / SH 119 / 2nd St. / Bridge St. (39.96261, -105.51030) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 23.8006 |
Other (At-Grade) Single-Lane |
1995 | Opened June 1995. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Tampa,
FL Hillsborough Co. United States |
North Blvd. / Country Club Dr. (28.05466, -82.46759) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 14.7559 |
Other (At-Grade) Single-Lane |
1996 | Completed June 1996. ICD estimated from Google Maps linework. |
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. |
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. |
Montpelier,
VT Washington Co. United States |
Keck Circle (Main St. / Spring St.) (44.26283, -72.57178) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 25.6594 |
Other (At-Grade) Single-Lane |
1995 | Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework. |
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. |
Taneytown,
MD Carroll Co. United States |
MD 140 / MD 832 / Antrim Blvd. (39.64809, -77.15468) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.1960 |
Other (At-Grade) Single-Lane |
1996 | Completed August 1996. Curbs set for double lane, striped for single outer circulating lane. |
Hilton Head,
SC Beaufort Co. United States |
Whooping Crane Way / Main St. (32.21647, -80.72187) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.4598 |
Other (At-Grade) Single-Lane |
1996 | Completed February 1996. ICD estimated from Google Maps linework. |
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). | |
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. |
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. |
Fort Walton Beach,
FL Okaloosa Co. United States |
Hollywood Blvd. / Doolittle Blvd. (30.41364, -86.66468) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.8704 |
Other (At-Grade) Single-Lane |
1994 | |
Tallahassee,
FL Leon Co. United States |
Killarney Way / Shamrock Dr. (30.51361, -84.22315) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.7810 |
Other (At-Grade) Single-Lane |
1994 | Completed August 1994. ICD estimated from Google Maps linework. |
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. |
Short Pump,
VA Goochland Co. United States |
Capitol One Dr. / (unknown) (37.62693, -77.66927) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 37.8365 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Santa Barbara,
CA Santa Barbara Co. United States |
Alameda Padre Serra / Montecito St. / Salinas St. / Sycamore Canyon Rd. (34.42903, -119.67720) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 1 Driveways 23.6427 |
Other (At-Grade) Single-Lane |
1992 | Includes driveway into roundabout serving one home. ICD estimated from Google Maps linework. |
Lakewood,
CO Jefferson Co. United States |
Arbutus Dr. / Red Rocks Community College (39.71903, -105.14840) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.7465 |
Other (At-Grade) Single-Lane |
2001 | Functional Class: Collector ICD estimated from Google Maps linework. |
St. Simons,
GA Glynn Co. United States |
Frederica Rd. / Lawrence Rd. (31.21650, -81.37550) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 40.8563 |
Other (At-Grade) Single-Lane |
2006 | ICD estimated from Google Maps linework. |
Wall,
NJ Monmouth Co. United States |
NJ 35 / Atlantic Ave. (Brielle Circle) (40.13232, -74.06525) |
Rotary Existing |
Other Unknown |
4 Approaches 0 Driveways 129.6649 |
Other (At-Grade) Single-Lane |
Traffic circle conversion ICD estimated from Google Maps linework. | |
Southampton,
NJ Burlington Co. United States |
US 206 / NJ 70 (Red Lion Circle) (39.88715, -74.74104) |
Rotary Existing |
Unknown Unknown |
4 Approaches 0 Driveways 136.5464 |
Other (At-Grade) Single-Lane |
Traffic circle conversion Functional Class: Arterial ICD estimated from Google Maps linework. | |
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. |
Portland,
OR Multnomah Co. United States |
SE Ladd Circle (45.50850, -122.64940) |
Other Existing |
Unknown None |
0 Approaches 0 Driveways 92.0689 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Cedar Lake Township,
MN Scott Co. United States |
SH 13 (Langford Ave.) / CR 2 (260th St.) (44.57259, -93.50546) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.9429 |
Other (At-Grade) Single-Lane |
2005 | Rural location, intersection of two 55-mph facilities. Previous 2-way stop had 2 fatal crashes and 50 injury crashes in 5 years. Opened to traffic in September 2005. During 12 months after opening, 1 reported crash involving single motorcycle running off road. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NW 25th Ave. / NW Quimby St. (45.53328, -122.70277) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop None |
3 Approaches 0 Driveways 15.8958 |
Other (At-Grade) Single-Lane |
1988 | Completed 9/30/1988. ICD estimated from Google Maps linework. |
(unincorporated),
OR Clackamas Co. United States |
SE 147th Ave. / Oregon Trail Dr. / Hines Dr. / Sieben Pkwy. (45.42280, -122.51240) |
Other Existing |
All-Way Stop None |
4 Approaches 0 Driveways 34.3688 |
Other (At-Grade) Single-Lane |
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. |
Bellevue,
WA King Co. United States |
W. Lake Sammamish Pkwy. SE / Lakemont Blvd. SE (47.56776, -122.09980) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.4567 |
Other (At-Grade) Single-Lane |
1997 | Revised August 2005. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Tallahassee,
FL Leon Co. United States |
Sutor Road / Old Sutor Road (30.42957, -84.21212) |
Traffic Calming Circle Existing |
All-Way Yield None |
3 Approaches 0 Driveways 16.4770 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Port St. Lucie,
FL St. Lucie Co. United States |
SE Westmoreland Blvd. / Pine Valley St. (27.25530, -80.30157) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 72.1975 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Fort Pierce,
FL St. Lucie Co. United States |
Avenue A / N Indian River Dr. (27.44907, -80.32326) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.6165 |
Other (At-Grade) Single-Lane |
1997 | http://www.walkinginfo.org/pedsafe/casestudy.cfm?CS_NUM=14. Year Completed estimated (1994-1999). ICD estimated from Google Maps linework. |
Modesto,
CA Stanislaus Co. United States |
La Loma / James St. / G St. (37.64360, -120.98740) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 34.0452 |
Other (At-Grade) Single-Lane |
1997 | Permanent installation with landscaping in place Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Clackamas,
OR Clackamas Co. United States |
Monterey Ave. / Causey Ave. / William Otty Rd. (45.44020, -122.55510) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.7102 |
Other (At-Grade) Single-Lane |
2004 | 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. |
Eugene,
OR Lane Co. United States |
Barger Dr. / Green Hill Rd. (44.08470, -123.20830) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.6002 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
Monterey Way / Harvard Rd. (38.96400, -95.28833) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 15.7869 |
Other (At-Grade) Single-Lane |
1999 | Built as part of reconstrction of Monterey Way. Designed as part of City/State Safety Improvement Project. ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
West Campus Rd. / Jayhawk Blvd. / Crescent Rd. (38.95905, -95.25105) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.7185 |
Other (At-Grade) Single-Lane |
2013 | Original circle built c. 1945, rebuilt 2013 as part of reconstruction of Jayhawk Boulevard. Encircles Chi Omega fountain. Functional Class: Collector ICD estimated from Google Maps linework. |
Coventry,
CT Tolland Co. United States |
Daly Rd. / South St. (41.76721, -72.33688) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.9424 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NW 25th Ave. / NW Overton St. (45.53190, -122.70270) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop None |
4 Approaches 0 Driveways 44.3420 |
Other (At-Grade) Single-Lane |
1988 | Completed 9/30/1988. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NW 25th Ave. / NW Marshall St. (45.53040, -122.70270) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop None |
4 Approaches 0 Driveways 62.7498 |
Other (At-Grade) Single-Lane |
1988 | Completed 9/30/1988. ICD estimated from Google Maps linework. |
Provo,
UT Utah Co. United States |
Riverside Ave. / W 1720 North (40.25703, -111.66810) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.8749 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Columbia,
MD Howard Co. United States |
Cradlerock Way / Homespun Dr. (39.19095, -76.83787) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 22.2158 |
Other (At-Grade) Single-Lane |
2001 | Completed May 21, 2001. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Beaverton,
OR Washington Co. United States |
SW Teal Blvd. / SW 155th Ave. / SW Nutcracker Ct. (45.44060, -122.83760) |
Other Existing |
All-Way Stop None |
4 Approaches 0 Driveways 37.7099 |
Other (At-Grade) Single-Lane |
Characteristics of a roundabout, but yield signs replaced with stop signs in 1998. ICD estimated from Google Maps linework. | |
Berkeley,
CA Alameda Co. United States |
Marin Ave. / Los Angeles Ave. / Del Norte St. / Arlington Ave. (37.89015, -122.27240) |
Other Existing |
One-Way/Two-Way Stop None |
6 Approaches 0 Driveways 25.4489 |
Other (At-Grade) Single-Lane |
Free movement on Marin Ave.; rest are stop-controlled ICD estimated from Google Maps linework. | |
Clackamas,
OR Clackamas Co. United States |
Monterey Ave. / Stevens Rd. (45.43780, -122.56390) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.8738 |
Other (At-Grade) Single-Lane |
2006 | Fourth leg serves New Hope Community Church parking lot. ICD estimated from Google Maps linework. |
Abingdon,
MD Harford Co. United States |
Tollgate Rd. / Montrose Way (39.48198, -76.32751) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.5762 |
Other (At-Grade) Single-Lane |
2003 | Elementary school and library to north, another school to south. Functional Class: Collector 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. |