|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
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 137.1600 |
Other (At-Grade) Multilane (2 Lane) |
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) |
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) |
1990 | Completed March 1990. Modified 2010 to reduce lane configuration. 21442 |
|
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) |
1995 | Raindrop-shaped central island. |
|
Vail,
CO Eagle Co. United States |
Vail Rd. / I-70 EB Ramps / South Frontage Rd. (39.64355, -106.37810) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 49.6620 |
Other (At-Grade) Multilane (2 Lane) |
1995 | Completed October 1995. Circular central island. ICD estimated from Google Maps linework. |
|
Towson,
MD Baltimore Co. United States |
MD 45 / MD 146 / Joppa Rd. / Allegheny Ave. (39.40185, -76.60230) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 47.9892 |
Other (At-Grade) Multilane (2 Lane) |
1998 | Opened October 1998. Exit striping retrofitted to roundabout after opening. Hotdog/racetrack shape. ICD estimated from Google Maps linework. 21442 |
|
West Palm Beach,
FL Palm Beach Co. United States |
S. Quadrille Blvd. (El Campeon Blvd.) / Fern St. (26.71040, -80.05505) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 18.1370 |
Other (At-Grade) Multilane (2 Lane) |
1997 | Replaced with TWSC. Year Completed estimated (1995-1999)/ ICD estimated from Google Maps linework. |
|
Daytona Beach,
FL Volusia Co. United States |
Seabreeze Circle (Seabreeze Bridge / Mason Ave. / Ballough Dr.) (29.22941, -81.02484) |
Rotary Removed |
All-Way Yield Unknown |
0 Approaches 0 Driveways 42.7326 |
Other (At-Grade) Multilane (2 Lane) |
1997 | Replaced with construction of new Seabreeze Bridge. Year Completed estimated (1995-1999). ICD estimated from Google Maps linework. |
|
Lake Worth,
FL Palm Beach Co. United States |
Lake Worth Ave. (SR 802) / A St. (26.61670, -80.06500) |
Roundabout Existing |
All-Way Yield Pedestrian Signal (red-yellow-green to drivers) |
4 Approaches 0 Driveways 42.7103 |
Other (At-Grade) Multilane (2 Lane) |
2002 | 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 40.4627 |
Other (At-Grade) Multilane (2 Lane) |
1996 | Completed August 1996. Curbs set for double lane, striped for single outer circulating lane. ICD estimated from Google Maps linework. |
|
Addison,
TX Dallas Co. United States |
Addison Cir. / Quorum Dr. (32.96138, -96.82592) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane) |
1997 | . |
|
Sarasota,
FL Sarasota Co. United States |
St. Armands Circle (SR 780 / Blvd. of the Presidents / John Ringling Blvd.) (27.31842, -82.57722) |
Other Existing |
Other None |
5 Approaches 0 Driveways 118.8460 |
Other (At-Grade) Multilane (2 Lane) |
Shopping district. Completed 1940? Functional Class: Arterial ICD estimated from Google Maps linework. | |
|
Hollywood,
FL Broward Co. United States |
Hollywood Blvd. / Rainbow Dr. (26.01050, -80.18360) |
Other Existing |
Two-Way Stop None |
4 Approaches 0 Driveways 165.2974 |
Other (At-Grade) Multilane (2 Lane) |
Uncontrolled mainline, stop-control on side street Functional Class: Arterial ICD estimated from Google Maps linework. | |
|
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) |
Signal access to parking and building in center of circle. ICD estimated from Google Maps linework. | |
|
Hollywood,
FL Broward Co. United States |
Hollywood Blvd. / S. Federal Hwy. (US 1) / Harrison St. / Tyler St. (26.01150, -80.14300) |
Signalized Roundabout/Circle Existing |
Signal None |
7 Approaches 0 Driveways 70.8411 |
Other (At-Grade) Multilane (2 Lane) |
Signalized access, parking area in central island. ICD estimated from Google Maps linework. | |
|
Stuart,
FL Martin Co. United States |
S. Dixie Hwy / SR 76 / SR A1A (27.19767, -80.25266) |
Other Existing |
Other None |
0 Approaches 0 Driveways 26.5569 |
Other (At-Grade) Multilane (2 Lane) |
Railroad crossing next to circle. ICD estimated from Google Maps linework. | |
|
Vail,
CO Eagle Co. United States |
Chamonix Rd. / I-70 WB Ramps / North Frontage Rd. (39.62828, -106.42120) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 40.4743 |
Other (At-Grade) Multilane (2 Lane) |
1997 | Previously controlled by two-way stop ICD estimated from Google Maps linework. |
|
Vail,
CO Eagle Co. United States |
Chamonix Rd. / I-70 EB Ramps / South Frontage Rd. (39.62753, -106.42020) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 38.6350 |
Other (At-Grade) Multilane (2 Lane) |
1997 | Previously controlled by two-way stop ICD estimated from Google Maps linework. |
|
Avon,
CO Eagle Co. United States |
Avon Rd. / I-70 WB Ramps (39.63782, -106.52080) |
Roundabout Existing |
All-Way Yield Active Pedestrian Warning (flashing yellow) |
3 Approaches 0 Driveways 33.1108 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane) |
1997 | Highway ref. pt. 70-166.62. Raindrop-shaped central island. ICD estimated from Google Maps linework. |
|
Avon,
CO Eagle Co. United States |
Avon Rd. / I-70 EB Ramps (39.63683, -106.52170) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.7903 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane) |
1997 | Highway ref. pt. 70-166.62. Previously controlled by two-way stop ICD estimated from Google Maps linework. |
|
Avon,
CO Eagle Co. United States |
Avon Rd. / Beaver Creek Blvd. (39.63528, -106.52220) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.7109 |
Other (At-Grade) Multilane (2 Lane) |
1997 | Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Avon,
CO Eagle Co. United States |
Avon Rd. / Benchmark Rd. (39.63425, -106.52220) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane) |
1997 | Originally had raindrop shape with locked gate access across south leg for emergency vehicles only. Redesigned and reopened May 2007 with full access. 21442 |
|
Avon,
CO Eagle Co. United States |
Avon Rd. / US 6 (39.63110, -106.52260) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.4726 |
Other (At-Grade) Multilane (2 Lane) |
1997 | Highway ref. pt. 6-170.04. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Winston-Salem,
NC Forsyth Co. United States |
Salem Rd. / Old Salem Rd. / S. Main St. (36.08215, -80.24149) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 49.2265 |
Other (At-Grade) Multilane (2 Lane) |
2005 | TIP Project U-2926. Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Annapolis,
MD Anne Arundel Co. United States |
MD 450 (West St.) / Taylor Ave. / Spa Rd. (Gateway Circle) (38.97630, -76.50486) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.4954 |
Other (At-Grade) Multilane (2 Lane) |
1999 | Opened December 1999. ICD estimated from Google Maps linework. |
|
De Pere,
WI Brown Co. United States |
Scheuring Rd. (CTH F) / US 41 NB Ramps (44.43074, -88.10989) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.3491 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane) |
2011 | Series of 6 roundabouts. Opened September 2011. Circular central island. ICD estimated from Google Maps linework. |
|
Santa Barbara,
CA Santa Barbara Co. United States |
Milpas St. / US 101 NB Ramps / Carpinteria St. (34.42070, -119.67810) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 75.8614 |
Other (At-Grade) Multilane (2 Lane) |
2000 | Oblong central island. Completed April 2000. Experienced one single-vehicle fatality (date unknown). 11861-05. ICD estimated from Google Maps linework. |
|
Cottonwood,
AZ Yavapai Co. United States |
AZ 89A / Verde Heights Dr. (34.73999, -112.03740) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.0532 |
Other (At-Grade) Multilane (2 Lane) |
2009 | Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Oshkosh,
WI Winnebago Co. United States |
CTH E (Witzel Ave.) / Koeller St. (44.01805, -88.58098) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.0845 |
Other (At-Grade) Multilane (2 Lane) |
2010 | Opened September 24, 2010. ICD estimated from Google Maps linework. |
|
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 34.0049 |
Other (At-Grade) Multilane (2 Lane) |
1999 | ICD estimated from Google Maps linework. |
|
De Pere,
WI Brown Co. United States |
Scheuring Rd. (CTH F) / US 41 SB Ramps (44.43050, -88.11402) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 53.7308 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane) |
2011 | Series of 6 roundabouts. Opened September 2011. ICD estimated from Google Maps linework. |
|
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 37.0085 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane) |
1999 | ICD estimated from Google Maps linework. |
|
Mount Rainier,
MD Prince Georges Co. United States |
US 1 / 34th St. / Perry St. (38.93647, -76.96074) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 30.6570 |
Other (At-Grade) Multilane (2 Lane) |
2001 | Functional Class: Arterial ICD estimated from Google Maps linework. |
|
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 34.1385 |
Other (At-Grade) Multilane (2 Lane) |
1999 | Mini-roundabout. Double-lane circulatory roadway across northern half. Previously controlled by two-way stop 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 53.3817 |
Other (At-Grade) Multilane (2 Lane) |
1999 | Adjacent to I-89. Heavy truck volume (>7%) Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Washington,
DC N/A Co. United States |
Dupont Circle (Mass Ave. / Conn. Ave. / New Hampshire Ave.19th St. / P St.) (38.90965, -77.04344) |
Signalized Roundabout/Circle Existing |
Signal None |
10 Approaches 0 Driveways 137.5441 |
Other (At-Grade) Multilane (2 Lane) |
ICD estimated from Google Maps linework. | |
|
Washington,
DC N/A Co. United States |
Washington Circle (Penn. Ave. / New Hampshire Ave. / 23rd St. / K St.) (38.90252, -77.05010) |
Signalized Roundabout/Circle Existing |
Signal None |
8 Approaches 0 Driveways 119.8984 |
Other (At-Grade) Multilane (2 Lane) |
ICD estimated from Google Maps linework. | |
|
Washington,
DC N/A Co. United States |
Scott Circle (Mass. Ave. / Rhode Isl. Ave. / 16th St. / N St.) (38.90725, -77.03654) |
Signalized Roundabout/Circle Existing |
Signal None |
6 Approaches 0 Driveways 51.1161 |
Other (At-Grade) Multilane (2 Lane) |
ICD estimated from Google Maps linework. | |
|
Washington,
DC N/A Co. United States |
Logan Circle (Rhode Isl. Ave. / Vermont Ave. / 13th St. / P St.) (38.90965, -77.02963) |
Signalized Roundabout/Circle Existing |
Signal None |
5 Approaches 0 Driveways 120.8157 |
Other (At-Grade) Multilane (2 Lane) |
ICD estimated from Google Maps linework. | |
|
Washington,
DC N/A Co. United States |
Thomas Circle (Mass Ave. / Vermont Ave. / 14th St. / M St.) (38.90565, -77.03196) |
Signalized Roundabout/Circle Existing |
Signal None |
6 Approaches 0 Driveways 75.2817 |
Other (At-Grade) Multilane (2 Lane) |
ICD estimated from Google Maps linework. | |
|
Washington,
DC N/A Co. United States |
Sheridan Circle (Mass Ave. / 23rd St. / R St.) (38.91214, -77.05065) |
Rotary Existing |
Uncontrolled None |
0 Approaches 0 Driveways 69.6989 |
Other (At-Grade) Multilane (2 Lane) |
Functional Class: Arterial ICD estimated from Google Maps linework. | |
|
Washington,
DC N/A Co. United States |
Ward Circle (Mass. Ave. / Nebraska Ave.) (38.93792, -77.08590) |
Signalized Roundabout/Circle Existing |
Signal None |
0 Approaches 0 Driveways 80.8214 |
Other (At-Grade) Multilane (2 Lane) |
ICD estimated from Google Maps linework. | |
|
Washington,
DC N/A Co. United States |
Tenley Circle (Nebraska Ave. / Wisconsin Ave. / Yuma St.) (38.94628, -77.07875) |
Signalized Roundabout/Circle Existing |
Signal None |
0 Approaches 0 Driveways 73.3809 |
Other (At-Grade) Multilane (2 Lane) |
ICD estimated from Google Maps linework. | |
|
Washington,
DC N/A Co. United States |
Sherman Circle (Kansas Ave. / Illinois Ave. / Crittenden St.) (38.94733, -77.02190) |
Rotary Existing |
All-Way Stop None |
6 Approaches 0 Driveways 89.1704 |
Other (At-Grade) Multilane (2 Lane) |
Functional Class: Arterial ICD estimated from Google Maps linework. | |
|
Washington,
DC N/A Co. United States |
Grant Circle (New Hampshire Ave. / Illinois Ave. / Varnum St. / NW 5th St.) (38.94312, -77.01926) |
Rotary Existing |
All-Way Stop None |
8 Approaches 0 Driveways 120.7587 |
Other (At-Grade) Multilane (2 Lane) |
Functional Class: Arterial ICD estimated from Google Maps linework. | |
|
Portland,
OR Multnomah Co. United States |
NE Cesar E Chavez Blvd. (NE 39th Ave.) / NE Glisan St. (45.52640, -122.62300) |
Other Existing |
All-Way Stop None |
4 Approaches 0 Driveways 68.6113 |
Other (At-Grade) Multilane (2 Lane) |
Stop-controlled entries into circle. Bus stop within circulatory roadway. Historical rotary with stop control. ICD estimated from Google Maps linework. | |
|
Durango,
CO La Plata Co. United States |
(Mercy Regional Medical Center entrance drive) / (ring road) (37.23339, -107.82310) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.6431 |
Other (At-Grade) Multilane (2 Lane) |
2006 | Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Carmel,
IN Hamilton Co. United States |
Old Meridian St. / Grand Blvd. (39.97366, -86.14984) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7631 |
Other (At-Grade) Multilane (2 Lane) |
2008 | ICD estimated from Google Maps linework. |
|
Malta,
NY Saratoga Co. United States |
Rte 67 (Dunning St.) / I-87 NB Ramps (42.97052, -73.80057) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.9470 |
Other (At-Grade) Multilane (2 Lane) |
2006 | Part of a series of 5 roundabouts. ICD estimated from Google Maps linework. |
|
Montréal,
QC Montréal Region Canada |
Ave. Marie-Curie / Blvd. Alfred Nobel (45.48518, -73.76222) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.6801 |
Other (At-Grade) Multilane (2 Lane) |
1998 | Completed November 1998. Functional Class: Collector ICD estimated from Google Maps linework. |
|
Malta,
NY Saratoga Co. United States |
Rte 67 (Dunning St.) / I-87 SB Ramps (42.97027, -73.80322) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.5689 |
Other (At-Grade) Multilane (2 Lane) |
2006 | Part of a series of 5 roundabouts. ICD estimated from Google Maps linework. |
|
Malta,
NY Saratoga Co. United States |
Rte 67 (Dunning St.) / US 9 (42.97116, -73.79296) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.6943 |
Other (At-Grade) Multilane (2 Lane) |
2006 | Part of a series of 5 roundabouts. ICD estimated from Google Maps linework. |
|
Malta,
NY Saratoga Co. United States |
Rte 67 (Dunning St.) / Kelch Dr. / Blacksmith Dr. (Malta Commons) (42.97073, -73.79816) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.8207 |
Other (At-Grade) Multilane (2 Lane) |
2006 | Part of a series of 5 roundabouts. ICD estimated from Google Maps linework. |
|
Loveland,
CO Larimer Co. United States |
McWhinney Blvd. / Hahns Peak Dr. / Grays Peak Dr. (40.41048, -105.01140) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 68.2039 |
Other (At-Grade) Multilane (2 Lane) |
2002 | Previously controlled by new Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Fairmont,
WV Marion Co. United States |
WV 273 / Haymond St. (39.47601, -80.13599) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.9383 |
Other (At-Grade) Multilane (2 Lane) |
2010 | Functional Class: Arterial ICD estimated from Google Maps linework. |
|
East Lansing,
MI Ingham Co. United States |
Bogue St. / Shaw Ln. (42.72575, -84.47185) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 88.6139 |
Other (At-Grade) Multilane (2 Lane) |
2014 | Roundabout built in 2000, removal date estimated (2013-2015). ICD estimated from Google Maps linework. |
|
Las Vegas (Summerlin),
NV Clark Co. United States |
Village Center Dr. / Meadow Hills Dr. (36.19350, -115.30070) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.0121 |
Other (At-Grade) Multilane (2 Lane) |
1991 | ICD estimated from Google Maps linework. |
|
Prescott,
AZ Yavapai Co. United States |
SR 89 / Willow Lake Rd. (34.59233, -112.42580) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 59.9743 |
Other (At-Grade) Multilane (2 Lane) |
2006 | ICD estimated from Google Maps linework. |
|
Kingston,
NY Ulster Co. United States |
I-587 / Rte. 28 / I-87 / Washington Ave. (41.94362, -74.02840) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 57.7424 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane) |
2000 | A 600 ft diameter traffic circle was replaced by 200 ft diameter roundabout. At Exit 19 from I-87. I-587 terminates in roundabout. ICD estimated from Google Maps linework. |
|
Tampa (Ybor City),
FL Hillsborough Co. United States |
Channelside Dr. / Cumberland Ave. (27.94497, -82.44576) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane) |
1995 | Right-turn-only lane on north leg. |
|
Clearwater,
FL Pinellas Co. United States |
SR 60 / Coronado Dr. (SR 699) / Mandalay Ave. / Poinsettia Ave. (Gateway Roundabout) (27.97752, -82.82709) |
Roundabout Existing |
All-Way Yield Metering Signal |
6 Approaches 0 Driveways 68.5587 |
Other (At-Grade) Multilane (2 Lane) |
1999 | Modified 2002-2004 to change geometry and striping, and remove fountain. 21442 |
|
Anchorage,
AK Anchorage United States |
C St. / O'Malley EB Ramps (61.12273, -149.88630) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.5659 |
Other (At-Grade) Multilane (2 Lane) |
2006 | Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Anchorage,
AK Anchorage United States |
C St. / O'Malley WB Ramps (61.12404, -149.88630) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.2943 |
Other (At-Grade) Multilane (2 Lane) |
2006 | Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Greeley,
CO Weld Co. United States |
Promontory Cir. / W. 11th St. (40.41889, -104.84990) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.2801 |
Other (At-Grade) Multilane (2 Lane) |
2004 | 4 roundabouts in series; 6 in vicinity. ICD estimated from Google Maps linework. |
|
Phoenix,
AZ Maricopa Co. United States |
E. Cotton Center Blvd. / S. 44th Pl. (33.40279, -111.98790) |
Other Existing |
Unknown Unknown |
0 Approaches 0 Driveways 163.5163 |
Other (At-Grade) Multilane (2 Lane) |
2000 | ICD estimated from Google Maps linework. |
|
Phoenix,
AZ Maricopa Co. United States |
Pointe Pkwy. / S. 48th St. (33.37162, -111.97410) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 28.9248 |
Other (At-Grade) Multilane (2 Lane) |
2000 | ICD estimated from Google Maps linework. |
|
Greeley,
CO Weld Co. United States |
Promontory Cir. / W. 16th St. (40.41505, -104.85090) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.6450 |
Other (At-Grade) Multilane (2 Lane) |
2004 | 4 roundabouts in series; 6 in vicinity. ICD estimated from Google Maps linework. |
|
Greeley,
CO Weld Co. United States |
Promontory Cir. / Con Agra Dr. (40.41138, -104.85200) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.6468 |
Other (At-Grade) Multilane (2 Lane) |
2004 | 4 roundabouts in series; 6 in vicinity. ICD estimated from Google Maps linework. |
|
Greeley,
CO Weld Co. United States |
Promontory Cir. / W. 18th St. (40.40869, -104.85120) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.4670 |
Other (At-Grade) Multilane (2 Lane) |
2004 | 4 roundabouts in series; 6 in vicinity. ICD estimated from Google Maps linework. |
|
Greeley,
CO Weld Co. United States |
W. 18th St. / unknown (40.41203, -104.85840) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.5558 |
Other (At-Grade) Multilane (2 Lane) |
2004 | Part of 6 in vicinity. ICD estimated from Google Maps linework. |
|
Greeley,
CO Weld Co. United States |
W. 16th St. / (unknown) (40.41524, -104.85540) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.5542 |
Other (At-Grade) Multilane (2 Lane) |
2004 | Part of 6 in vicinity. ICD estimated from Google Maps linework. |
|
Lenexa,
KS Johnson Co. United States |
Prairie Star Pkwy / Montecello Rd. (38.95251, -94.84398) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 52.0123 |
Other (At-Grade) Multilane (2 Lane) |
2002 | Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Fort Worth,
TX Tarrant Co. United States |
Bluebonnet Circle [W Biddson St. / Park Ridge Blvd. / S University Dr.] (32.69902, -97.36044) |
Other Existing |
Unknown Unknown |
6 Approaches 0 Driveways 141.7320 |
Other (At-Grade) Multilane (2 Lane) |
1929 | . |
|
Anchorage,
AK Anchorage United States |
Dowling Rd. / New Seward Hwy SB Ramps (61.16636, -149.85780) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.1352 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane) |
2004 | Previously controlled by one-way stop ICD estimated from Google Maps linework. |
|
Anchorage,
AK Anchorage United States |
Dowling Rd. / New Seward Hwy NB Ramps (61.16637, -149.85520) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.0151 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane) |
2004 | Spiral striping. ICD estimated from Google Maps linework. |
|
Astoria,
OR Clatsop Co. United States |
US 101 / Hwy 202 (Nehalem Highway) (46.18290, -123.86070) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.4797 |
Other (At-Grade) Multilane (2 Lane) |
2002 | Opened September 2002. First multilane roundabout on Oregon state highway system. ICD estimated from Google Maps linework. |
|
Monroe,
WA Snohomish Co. United States |
SR 522 EB Ramps / 164th St. SE / Tester Rd. (47.84863, -122.00580) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 60.9143 |
Other (At-Grade) Multilane (2 Lane) |
2001 | Completed August 2001. This project won the Washington State APWA 2001 Project of the Award and the ASCE Seattle Section 2001 Outstanding Project Award. The Project is documented in the Compendium of Papers for 2000 ITE District 6 Annual Meeting, San Diego, CA. Reconfiguration of two intersections into a roundabout. Previously controlled by two-way stop ICD estimated from Google Maps linework. |
|
Federal Way,
WA King Co. United States |
Weyerhaeuser Way S / 33rd Pl S / 32nd Dr. S (47.29863, -122.29280) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.6385 |
Other (At-Grade) Multilane (2 Lane) |
2000 | Opened April 2000. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Olathe,
KS Johnson Co. United States |
Sheridan Rd. / Rogers Rd. (38.87200, -94.79430) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.7027 |
Other (At-Grade) Multilane (2 Lane) |
2000 | ICD estimated from Google Maps linework. |
|
Park City,
UT Summit Co. United States |
Rte 224 (Deer Valley Drive) / Heber Avenue / Marsac Avenue (40.64572, -111.49500) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 46.2161 |
Other (At-Grade) Multilane (2 Lane) |
2000 | See: www.Roundaboutsusa.com Information as reported in Salt Lake Tribune article: http://www.sltrib.com/2000/Sep/09142000/utah/22072.htm Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Ridgeland,
MS Madison Co. United States |
Old Agency Rd / Highland Colony Pkwy (32.43125, -90.14893) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 47.3786 |
Other (At-Grade) Multilane (2 Lane) |
2004 | Planned in association with interchange improvements at I-55/Old Agency Rd. Functional Class: Collector ICD estimated from Google Maps linework. |
|
(unincorporated),
CO Douglas Co. United States |
Ridgegate Pkwy. / Ridgegate Cir. / Commons St. (39.53187, -104.88300) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.4267 |
Other (At-Grade) Multilane (2 Lane) |
2006 | Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework. |
|
(unincorporated),
CO Douglas Co. United States |
Ridgegate Pkwy. / Ridgegate Cir. / Park Meadows Blvd. (39.52945, -104.87450) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.3498 |
Other (At-Grade) Multilane (2 Lane) |
2006 | Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework. |
|
Las Vegas (Summerlin),
NV Clark Co. United States |
Town Center Dr. / Canyon Run Dr. / Banburry Cross Dr. (36.18080, -115.31370) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane) |
1995 | Completed March 1995. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. 21442 |
|
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) |
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) |
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) |
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) |
2000 | Functional Class: Collector. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework. |
|
Scottsdale,
AZ Maricopa Co. United States |
Princess Blvd. / Princess Dr. (33.64804, -111.91795) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 64.0077 |
Other (At-Grade) Multilane (2 Lane) |
2007 | Completed 1986. Reconfigured in 2007? 21442 |
|
Green Bay,
WI Brown Co. United States |
Mason St. (STH 32-STH 54) / S. Taylor St. (44.52414, -88.07916) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.4266 |
Other (At-Grade) Multilane (2 Lane) |
2012 | Series of 3 roundabouts. Opened August 31, 2012. ICD estimated from Google Maps linework. |
|
Park City,
UT Summit Co. United States |
Kilby Rd. / Factory Outlet Parking (40.73040, -111.55040) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.3918 |
Other (At-Grade) Multilane (2 Lane) |
2000 | 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) |
1996 | 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) |
2000 | Rural 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) |
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) |
2001 | Series of 4 roundabouts. 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) |
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) |
2004 | http://www.wsdot.wa.gov/projects/sr203/NE124thNoveltyRd/ Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Gig Harbor,
WA Pierce Co. United States |
Borgen Blvd. / SR 16 NB Ramps / Burnham Dr. (47.35843, -122.61260) |
Roundabout Existing |
All-Way Yield None |
6 Approaches 0 Driveways 47.7339 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane) |
2001 | Oval shaped central island. 6 legged configuration includes a on-ramp (outbound)leg. Central island is used as a roadway storm detention pond. Completed Summer/Fall 2001. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
|
Richland,
WA Benton Co. United States |
Steptoe Dr. / SR 240 EB Ramps / Columbia Park Trl. (46.23893, -119.24546) |
Roundabout Existing |
All-Way Yield Metering Signal |
5 Approaches 0 Driveways 49.5635 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane) |
2007 | 5th leg is on-ramp to SR 240. Opened November 2007. Lane configuration reduced in 2016. Modified in 2018 to add metering signal. According to local news (link below) they started metering the traffic on the westbound Columbia Park Trail approach in 2018. It only turns on when traffic coming off the freeway gets backed up. https://97rockonline.com/tri-cities-roundabout-gets-new-metered-traffic-light-wait-what/ 21442 |
|
Westfield,
NJ Union Co. United States |
NJ 28 / E. Broad St. (Westfield Circle) (40.64849, -74.35027) |
Rotary Existing |
Unknown Unknown |
3 Approaches 0 Driveways 42.5896 |
Other (At-Grade) Multilane (2 Lane) |
Functional Class: Arterial ICD estimated from Google Maps linework. |