City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
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. |
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. |
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, unspecified) |
2002 | Opened September 2002. First multilane roundabout on Oregon state highway system. ICD estimated from Google Maps linework. |
Buffalo,
NY Erie Co. United States |
Gates Circle (Delaware Ave. / Lafayette Ave.) (42.92054, -78.86776) |
Other Existing |
Unknown Unknown |
5 Approaches 0 Driveways 66.4699 |
Other (At-Grade) Unknown |
2002 | Modified in 2002 to incorporate roundabout principles. ICD estimated from Google Maps linework. 21442 |
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, unspecified) |
2002 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Topeka,
KS Shawnee Co. United States |
46th St. / US 75 Ramps (39.12934, -95.71959) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 124.9680 |
Freeway Ramps (Grade-Separated) Single-Lane |
2002 | Roundabout under structure as part of single-point interchange. Elliptical shaped. ICD = 410 ft x 270 ft. Original intersection was at grade. Completed November 2002. |
Portland,
OR Multnomah Co. United States |
SW Terwilliger Blvd. / SW Palater Rd. (45.45290, -122.67660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2002 | Roundabout replaces existing Y-intersection, adds fourth leg to serve college law school. Includes driveway into roundabout serving two homes. Roundabout is on tilted plane with central island plane steeper than inscribed circle plane to manage cross slopes. Northeast leg (Palater Road) has 8-9 percent grade down into roundabout, then flattens using a short vertical curve to a zero percent crown at the top of the circulatory roadway. Maximum grade through the roundabout is 4 percent; maximum cross slope is -2 percent. First roundabout under City of Portland jurisdiction. |
Bend,
OR Deschutes Co. United States |
SW 14th St. / SW Century Dr. / SW Simpson Ave. (44.04790, -121.33160) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.9036 |
Other (At-Grade) Single-Lane |
2002 | Driveways located between crosswalk and circulatory roadway on both sides of west leg. ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW 14th St. / NW Galveston Ave. (44.05660, -121.33180) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.8991 |
Other (At-Grade) Single-Lane |
2002 | 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 71.6280 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | |
Goshen,
CT Litchfield Co. United States |
Rte. 4 / Rte. 63 (41.83185, -73.22539) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.9080 |
Other (At-Grade) Single-Lane |
2002 | Painted splitter islands. |
Clive,
IA Dallas Co. United States |
NW 156th St. / Boston Pkwy. (41.62066, -93.83356) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.7487 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. |
Laurel,
MS Jones Co. United States |
Central Ave. / Maple St. (31.69108, -89.12855) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.4224 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Olathe,
KS Johnson Co. United States |
Indian Wells Dr. / Spruce St. (38.88568, -94.85022) |
Roundabout Removed |
All-Way Yield None |
2 Approaches 0 Driveways 44.6239 |
Other (At-Grade) Single-Lane |
2002 | Replaced in 2015 with new roundabout in location shifted slightly to west. ICD estimated from Google Maps linework. |
Mont-Tremblant,
QC Laurentides Region Canada |
Montee Ryan / Chemin Duplessis (46.20699, -74.59426) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.1960 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Opened fall 2002. |
Arlington,
WA Snohomish Co. United States |
W. Division St. / N. West Ave. (48.19864, -122.12800) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.8628 |
Other (At-Grade) Single-Lane |
2002 | September 2002. ICD estimated from Google Maps linework. |
Arlington,
WA Snohomish Co. United States |
E. Division St. / N. Broadway St. (48.19858, -122.12530) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 23.8824 |
Other (At-Grade) Single-Lane |
2002 | September 2002. ICD estimated from Google Maps linework. |
Winston-Salem,
NC Forsyth Co. United States |
Turfwood Dr. / Long Creek Dr. (36.19996, -80.32156) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 1 Driveways 29.8771 |
Other (At-Grade) Single-Lane |
2002 | Built by developer. ICD estimated from Google Maps linework. |
Lakewood,
WA Pierce Co. United States |
Main St. SW / 5th Ave. SW (47.16198, -122.51570) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.4220 |
Other (At-Grade) Single-Lane |
2002 | Completed June 2002. ICD estimated from Google Maps linework. |
Mulberry,
NC Wilkes Co. United States |
Yellowbanks Rd. / Haymeadow Rd. (36.26457, -81.14713) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2002 | Spot safety site. |
University Place,
WA Pierce Co. United States |
Cirque Dr. W / Alameda Ave. W / 56th St. W (47.20639, -122.51600) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 54.3624 |
Other (At-Grade) Single-Lane |
2002 | Completed December 2002. ICD estimated from Google Maps linework. |
Saint Leonard,
MD Calvert Co. United States |
Calvert Beach Rd. / Saint Leonard Rd. (38.47316, -76.50607) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 25.2461 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Annapolis Junction,
MD Anne Arundel Co. United States |
Guilford Rd. / MD 32 WB Ramps (39.12294, -76.78472) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.4293 |
Freeway Ramps (Grade-Separated) Single-Lane |
2002 | Bypass lanes on all legs. ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
Colorado Ave. / S. 2nd St. (39.06636, -108.56950) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 25.9643 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
G Rd. / 25th Rd. (39.10636, -108.58940) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 30.5834 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Brandon,
MB Westman Region Canada |
34th St. / Willowdale Crescent (49.83122, -99.98436) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.9788 |
Other (At-Grade) Single-Lane |
2002 | Before 2004. ICD estimated from Google Maps linework. |
Oromocto,
NB Sunbury Canada |
Restigouche Rd. / Miramichi Rd. (45.83573, -66.48306) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 64.9046 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Clearwater,
FL Pinellas Co. United States |
Ridgewood St. / Richards Ave. (27.97013, -82.76930) |
Traffic Calming Circle Existing |
All-Way Yield None |
0 Approaches 0 Driveways 34.8091 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Clearwater,
FL Pinellas Co. United States |
Ridgewood St. / Baker Ave. (27.97012, -82.76842) |
Traffic Calming Circle Existing |
All-Way Yield None |
0 Approaches 0 Driveways 48.5218 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Clearwater,
FL Pinellas Co. United States |
Ridgewood St. / Casler Ave. (27.97013, -82.76752) |
Traffic Calming Circle Existing |
All-Way Yield None |
0 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2002 | |
Clearwater,
FL Pinellas Co. United States |
Richards Ave. / Baker Ave. / Casler Ave. (27.96847, -82.76841) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2002 | |
Santa Maria,
CA Santa Barbara Co. United States |
S. Bradley Rd. / E. McCoy Ln. (34.91219, -120.42160) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 52.8868 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework. |
Longmont,
CO Boulder Co. United States |
Deerwood Dr. / Bluefield Ave. (40.17346, -105.06460) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 26.4648 |
Other (At-Grade) Single-Lane |
2002 | Functional Class: Local ICD estimated from Google Maps linework. |
Phoenix,
AZ Maricopa Co. United States |
W Riverwood Blvd. / Windrow Blvd. (33.41749, -112.26690) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 23.9252 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Petaluma,
CA Sonoma Co. United States |
Corona Rd. / Sonoma Mountain Pkwy. (38.26890, -122.65450) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 31.8812 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Escalon,
CA San Joaquin Co. United States |
Riesling Way / California St. (37.79671, -121.01110) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.8749 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Richland,
WA Benton Co. United States |
Lee Blvd. / The Parkway (46.27484, -119.27433) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.9080 |
Other (At-Grade) Single-Lane |
2002 | No splitter islands on north and south legs. Year Completed estimated (1996-2003). |
Monroe,
WA Snohomish Co. United States |
Country Crescent SE / County Crescent SE (47.86547, -121.96140) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2002 | July 2002. |
Rome,
NY Oneida Co. United States |
SR 825 / Ellsworth Rd. (43.21731, -75.41796) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 55.7044 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Constructed in old air force base. ICD estimated from Google Maps linework. |
North Providence,
RI Providence Co. United States |
US 44 / Centerdale Bypass (41.85703, -71.48295) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.2447 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Lincoln,
NE Lancaster Co. United States |
S 33rd St. / Sheridan Blvd. (40.78020, -96.67281) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.9836 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Sacramento,
CA Sacramento Co. United States |
Northborough Dr. / Heritage Park Ln. / Rose Arbor Dr. (38.68221, -121.51550) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 23.3081 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Viera,
FL Brevard Co. United States |
Wickham Rd. / Lake Andrews Dr. (28.22975, -80.72577) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.5091 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Newberg,
OR Yamhill Co. United States |
Brutscher St. / Hayes St. (45.30378, -122.94090) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.9211 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Irvine,
CA Orange Co. United States |
Sand Canyon Ave. / Shady Canyon Dr. (33.65462, -117.78100) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 104.3859 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | ICD estimated from Google Maps linework. |
Miami,
FL Miami-Dade Co. United States |
SW 16th St. / University Dr. (25.75435, -80.37009) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.1950 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | ICD estimated from Google Maps linework. |
Riverdale,
UT Weber Co. United States |
River Park Dr. / Sams Club access (41.17197, -112.00210) |
Roundabout Existing |
All-Way Yield Other |
3 Approaches 0 Driveways 53.3400 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | Raised crosswalks. |
Riverdale,
UT Weber Co. United States |
River Park Dr. / 900 W (41.17318, -111.99900) |
Roundabout Existing |
All-Way Yield Other |
3 Approaches 0 Driveways 53.3400 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | Raised crosswalks. |
Mooresville,
NC Iredell Co. United States |
Brawley School Rd. / The Point Dr. (35.53482, -80.92054) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 83.5834 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | Between 1998 and 2003 ICD estimated from Google Maps linework. |
Gainesville,
VA Prince William Co. United States |
Turtle Point Dr. / Spyglass Hill Loop (38.78095, -77.65189) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.6552 |
Other (At-Grade) Single-Lane |
2001 | Functional Class: Local ICD estimated from Google Maps linework. |
Lincoln,
NE Lancaster Co. United States |
Fallbrook Blvd. / Tallgrass Pkwy (40.87793, -96.73135) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 65.0188 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Lincoln,
NE Lancaster Co. United States |
Fallbrook Blvd. / Stonebrook Pkwy (40.87706, -96.72567) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 64.1166 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Lincoln,
NE Lancaster Co. United States |
N 21st St. / Folkways Blvd. (40.86681, -96.69003) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 17.1606 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Lincoln,
NE Lancaster Co. United States |
N 49th St. / Francis St. (40.83137, -96.65235) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 20.7845 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Lincoln,
NE Lancaster Co. United States |
Densmore Park (40.74437, -96.70332) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 20.8117 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Roseville,
CA Placer Co. United States |
Westhills Dr. / Morningstar Dr. / St. Basil Cir. (38.76151, -121.35340) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.5951 |
Other (At-Grade) Single-Lane |
2001 | Crosswalks adjacent to circle. ICD estimated from Google Maps linework. |
Roseville,
CA Placer Co. United States |
Park Regency Dr. / Hiawatha Dr. / Sharifa Way / Bottlebrush Cir. (38.76105, -121.34870) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.2518 |
Other (At-Grade) Single-Lane |
2001 | Crosswalks adjacent to circle. ICD estimated from Google Maps linework. |
Roseville,
CA Placer Co. United States |
Park Regency Dr. / Castlebridge Dr. / Hillingdon St. (38.75455, -121.34680) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.5983 |
Other (At-Grade) Single-Lane |
2001 | Crosswalks adjacent to circle. ICD estimated from Google Maps linework. |
Santa Maria,
CA Santa Barbara Co. United States |
S. College Dr. / Southside Pkwy. (34.92111, -120.42530) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.0676 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework. |
Santa Maria,
CA Santa Barbara Co. United States |
S. College Dr. / E. McCoy Ln. (34.91648, -120.42510) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8427 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | No circulatory roadway striping. Fatal crash October 15, 2009. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework. |
Santa Maria,
CA Santa Barbara Co. United States |
S. Bradley Rd. / Southside Pkwy. (34.92075, -120.42200) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.0056 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework. |
Cupertino,
CA Santa Clara Co. United States |
Portal Ave. / Wheaton Dr. (37.32445, -122.01964) |
Traffic Calming Circle Existing |
All-Way Stop None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2001 | Year Completed estimated (2000-2002). |
Broomfield,
CO Adams Co. United States |
Zang St. / (parking lot #1) (39.92782, -105.13320) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 36.6350 |
Other (At-Grade) Single-Lane |
2001 | Serves commercial development. ICD estimated from Google Maps linework. |
Broomfield,
CO Adams Co. United States |
Zang St. / (parking lot #2) (39.92641, -105.13170) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 35.7199 |
Other (At-Grade) Single-Lane |
2001 | Serves commercial development. ICD estimated from Google Maps linework. |
Englewood,
CO Arapahoe Co. United States |
W. Sheri Ln. / Belleview Park (39.62281, -105.00620) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 42.3174 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Winnipeg,
MB Winnipeg Capital Region Canada |
Waterfront Dr. / Bannatyne Ave. (49.89712, -97.13358) |
Roundabout Existing |
Unknown Unknown |
0 Approaches 0 Driveways 34.6204 |
Other (At-Grade) Unknown |
2001 | ICD estimated from Google Maps linework. |
Winston-Salem,
NC Forsyth Co. United States |
Westview Dr. / Buckingham Rd. (36.09549, -80.28940) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2001 | City project. Painted splitter islands. |
Marysville,
WA Snohomish Co. United States |
34th Ave. NE-Quil Ceda Blvd. / Tulalip Casino entrance (48.08801, -122.18560) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 74.9927 |
Other (At-Grade) Single-Lane |
2001 | Opened October 2001 as multilane roundabout. Modified April 2014 to reduce to single-lane roundabout with right-turn-only lanes. ICD estimated from Google Maps linework. 21442 |
New Bern,
NC Craven Co. United States |
Broad St. / Front St. (35.10776, -77.03563) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 27.3573 |
Other (At-Grade) Single-Lane |
2001 | Part of enhancement project. ICD estimated from Google Maps linework. |
Covington,
WA King Co. United States |
172nd Ave. SE / SE 270th Pl. (47.35939, -122.11240) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.7885 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Dupont,
WA Thurston Co. United States |
McNeil St. / Gaul Ave. (47.09734, -122.66080) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.0174 |
Other (At-Grade) Single-Lane |
2001 | Completed May 2001. ICD estimated from Google Maps linework. |
Dupont,
WA Thurston Co. United States |
McNeil St. / Marshall Cir. (47.09618, -122.65520) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 26.8311 |
Other (At-Grade) Single-Lane |
2001 | Completed May 2001. ICD estimated from Google Maps linework. |
Conyers,
GA Rockdale Co. United States |
Travis St. / Hardin St. / Okelly St. (33.66432, -84.01964) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 22.8629 |
Other (At-Grade) Single-Lane |
2001 | Year Completed estimated (1999-2002). ICD estimated from Google Maps linework. |
Clive,
IA Dallas Co. United States |
Berkshire Pkwy. / Sheridan Ave. (41.61697, -93.84561) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.5370 |
Other (At-Grade) Single-Lane |
2001 | 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. |
Lawrence,
KS Douglas Co. United States |
24th Pl. / Inverness Dr. (38.94105, -95.29808) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.0814 |
Other (At-Grade) Single-Lane |
2001 | Approved by Commission over neighborhood opposition. Was a 3 leg intersection prior to construction. Near Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
24th Pl. / Crossgate Dr. (38.94130, -95.28875) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 26.9392 |
Other (At-Grade) Single-Lane |
2001 | Planned in connection with extention of 24th Place Functional Class: Collector ICD estimated from Google Maps linework. |
Loveland,
CO Larimer Co. United States |
Plum Creek Dr. / Piney River Dr. (40.41253, -105.01850) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.0994 |
Other (At-Grade) Single-Lane |
2001 | Functional Class: Local ICD estimated from Google Maps linework. |
Moses Lake,
WA Grant Co. United States |
Yonezawa Blvd. / S. Division St. / W. Belmont Ave. (47.10438, -119.27860) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.0857 |
Other (At-Grade) Single-Lane |
2001 | Pedestrian crossing has z-shape, with exit closer to roundabout than entrance. Part of series of 3 roundabouts. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
SW Century Dr. / SW Mt. Washington Dr. / SW Reed Market Dr. (44.03860, -121.33590) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Single-Lane |
2001 | Roundabout sized for ultimate conversion to double lane. |
Paola,
KS Miami Co. United States |
K-68 / Old Kansas City Rd. / Hedge Ln. (38.62133, -94.85551) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 44.7895 |
Other (At-Grade) Single-Lane |
2001 | First roundabout on rural, high-speed facility in Kansas. Functional Class: Arterial ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
Sunflower Park Rd / Inverness Dr (38.93745, -95.29810) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 111.4785 |
Other (At-Grade) Single-Lane |
2001 | Next to Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector 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, unspecified) |
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. |
Bayfield,
CO La Plata Co. United States |
CR 501 / Bayfield Center Dr. (37.23393, -107.60191) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2001 | Bayfield Center Drive is a new roadway. Completed Fall 2001. |
Olathe,
KS Johnson Co. United States |
Sheridan Rd. / Ridgeview Rd. / Dennis Ave. (38.87270, -94.79730) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.3160 |
Other (At-Grade) Single-Lane |
2001 | Completed April 2001. ICD estimated from Google Maps linework. |
Olathe,
KS Johnson Co. United States |
Sheridan Rd. / Clairborne Rd. (38.87020, -94.79250) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.3168 |
Other (At-Grade) Single-Lane |
2001 | 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 |
Ritchie,
MD Prince Georges Co. United States |
Ritchie-Marlboro Rd. / I-95 SB Ramps (38.86894, -76.84738) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 770.9968 |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
2001 | Opening initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442 |
Ritchie,
MD Prince Georges Co. United States |
Ritchie-Marlboro Rd. / I-95 NB Ramps (38.86824, -76.84158) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 67.0560 |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
2001 | Opened initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442 |
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. |
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 41.1480 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2001 | Oval shaped. ICD = 135 ft x 115 ft. |
La Quinta,
CA Riverside Co. United States |
Jefferson St. / Avenue 52 (33.67096, -116.26870) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.6860 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | RT bypass lanes on all legs. ICD estimated from Google Maps linework. |
Rochester Hills,
MI Oakland Co. United States |
Tienken Rd. / Sheldon Rd. (42.69626, -83.12320) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.6224 |
Other (At-Grade) Single-Lane |
2001 | Near Hart Middle School and Stoney Creek High School. Functional Class: Local ICD estimated from Google Maps linework. |
Fort Collins,
CO Larimer Co. United States |
Rigden Pkwy. / Custer Dr. (40.54863, -105.02960) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.9307 |
Other (At-Grade) Single-Lane |
2001 | Date estimated. Functional Class: Local ICD estimated from Google Maps linework. |
Chattanooga,
TN Hamilton Co. United States |
US 41 - US 76 - SR 8 (Westside Dr.) / 29th St. (35.00944, -85.27164) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 21.5209 |
Other (At-Grade) Single-Lane |
2001 | Completed September 26, 2001. The intersection is located at the western portal of the Bachman Tunnel, a two-lane tunnel through Missionary Ridge, connecting Chattanooga with the City of East Ridge, Tennessee. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Williston,
VT Chittenden Co. United States |
Maple Tree Pl. / Sycamore Dr. (44.44349, -73.10966) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.1697 |
Other (At-Grade) Single-Lane |
2001 | Completed November 2001. Major shopping area, road part of the planned ring road around Taft Corner. Functional Class: Local ICD estimated from Google Maps linework. |
Princeton,
NJ Mercer Co. United States |
Faculty Rd. / Elm Dr. (40.33888, -74.65523) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.2209 |
Other (At-Grade) Single-Lane |
2001 | This roundabout is on University owned roads open to the public. There is a second roundabout similar in dimensions upstream on Elm Drive. Close to an at-grade rail crossing. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Springfield,
OR Lane Co. United States |
58th St. / Thurston Rd. (44.05320, -122.92640) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.7507 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Erwin,
NY Steuben Co. United States |
Robert Dann Dr. / Science Center Rd. (42.15936, -77.11082) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.3400 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2001 | Add-lane right-turn bypass lane on west leg. |