28735 Results

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City, State
County
Country
Intersection
(Lat, Lng)
Type
Status
Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType
Year Completed Comments
Windsor Mill, MD
Baltimore Co.
United States
Lord Baltimore Dr. / Glen Spring Rd. / Kettle Ct.
(39.31750, -76.75152)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
17.5558
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1993-2002). ICD estimated from Google Maps linework.
Liberty Township, OH
Butler Co.
United States
Hughes Woods Ln. / Hughes Ridge Ln.
(39.39099, -84.40464)
Other
Existing
All-Way Yield
None
3 Approaches
0 Driveways
43.3818
Other (At-Grade)
Single-Lane
1998 No splitter islands. ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States
Scenic Dr. / Lookout Dr.
(40.39773, -105.13528)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
24.3840
Other (At-Grade)
Single-Lane
1998 Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Loveland, CO
Larimer Co.
United States
Scenic Dr. / Foothills Dr.
(40.39674, -105.13522)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
24.3840
Other (At-Grade)
Single-Lane
1998 Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Evergreen, CO
Jefferson Co.
United States
CR 65 / Bergen Pkwy.
(39.69101, -105.36050)
Roundabout
Existing
Unknown
Unknown
3 Approaches
1 Driveways
26.6520
Other (At-Grade)
Single-Lane
1998 ICD estimated from Google Maps linework.
Calgary, AB
Calgary Region
Canada
Springbank Blvd. / Spring Mews
(51.01849, -114.19630)
Traffic Calming Circle
Existing
All-Way Yield
None
3 Approaches
0 Driveways
30.0000
Other (At-Grade)
Single-Lane
1998
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, unspecified)
1998 Completed November 1998. Functional Class: Collector ICD estimated from Google Maps linework.
Windsor, CT
Hartford Co.
United States
Hayden Station Rd. / Lancaster Dr. / Center St.
(41.89280, -72.63409)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
24.8935
Other (At-Grade)
Single-Lane
1998 Functional Class: Collector. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Windsor, CT
Hartford Co.
United States
Hayden Station Rd. / Pond Rd.
(41.89371, -72.64065)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
24.0041
Other (At-Grade)
Single-Lane
1998 Functional Class: Collector. Year Completed estimated (1992-2003). ICD estimated from Google Maps linework.
Windsor, CT
Hartford Co.
United States
Prospect Hill Rd. / Lang Rd.
(41.89153, -72.69762)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
25.7830
Other (At-Grade)
Single-Lane
1998 Located at entrance to industrial park. Year Completed estimated (1992-2004). ICD estimated from Google Maps linework.
Henderson (Seven Hills), NV
Clark Co.
United States
Grand Hills Dr. / Rio Secoo Golf Club
(35.97713, -115.11100)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
74.4214
Other (At-Grade)
Single-Lane
1998 Functional Class: Collector 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, unspecified)
1998 Opened October 1998. Exit striping retrofitted to roundabout after opening. Hotdog/racetrack shape. ICD estimated from Google Maps linework. 21442
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.
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.
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.
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.
Truckee, CA
Nevada Co.
United States
Donner Pass Rd. / W. River St. / McIver Crossing
(39.32510, -120.19200)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
35.1077
Other (At-Grade)
Single-Lane
1998 Fatal crash. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
Port Orchard, WA
Kitsap Co.
United States
Mile Hill Dr. (Hwy 166) / Bethel Ave.
(47.53467, -122.62730)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.7045
Other (At-Grade)
Single-Lane
1998 Previously a Y Intersection. Opened June 1998. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States
West End Rd. / Spear Ave. / Saint Louis Rd.
(40.88910, -124.08210)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
27.0866
Other (At-Grade)
Single-Lane
1998 Functional Class: Arterial ICD estimated from Google Maps linework.
Greenbelt, MD
Prince Georges Co.
United States
Hanover Pkwy. / Village Park Dr. / Schrom Hills Community Park entrance
(38.98378, -76.87333)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
19.4960
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1994-2001). ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States
Hazel Dell Pkwy. / E 126th St.
(39.97119, -86.07069)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
1998
Carmel, IN
Hamilton Co.
United States
Hazel Dell Pkwy. / E 131st St.
(39.97845, -86.07054)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
1998 Built in late 1990s.Converted to multilane 2010-2012. Right-turn-only lane on west leg; left-turn-only lane on east leg.
Davis, CA
Yolo Co.
United States
5th St. / Cantrill Dr.
(38.55160, -121.72010)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
28.9547
Other (At-Grade)
Single-Lane
1998 Police station on SW corner. Date estimated. ICD estimated from Google Maps linework.
Mount Pleasant, SC
Charleston Co.
United States
Rifle Range Rd. / Bowman Rd. (Veterans Circle)
(32.80469, -79.84284)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
31.1197
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1994-2002) ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States
E. Lowry Blvd. / N. Uinta Way
(39.71986, -104.89070)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
50.5258
Other (At-Grade)
Multilane (2 Lane, unspecified)
1998 ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States
E. Lowry Blvd. / Yosemite St.
(39.72373, -104.88400)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
51.4416
Other (At-Grade)
Multilane (2 Lane, unspecified)
1998 ICD estimated from Google Maps linework.
Boynton Beach, FL
Palm Beach Co.
United States
Hagen Ranch Rd. / Charleston Shores Blvd.
(26.56520, -80.15560)
Roundabout
Existing
All-Way Yield
Active Pedestrian Warning (flashing yellow)
4 Approaches
0 Driveways
23.5012
Other (At-Grade)
Single-Lane
1998 ICD estimated from Google Maps linework.
Delray Beach, FL
Palm Beach Co.
United States
Lake Ida Rd. / Via Flora Dr.
(26.46919, -80.13670)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
24.5900
Other (At-Grade)
Single-Lane
1998 Fatal crash January 28, 2005. 11861-05. ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States
S. Golden Rd. / Johnson Rd. / 16th St.
(39.74207, -105.20060)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.6526
Other (At-Grade)
Multilane (2 Lane, unspecified)
1998 Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States
S. Golden Rd. / Lunnonhaus Dr.
(39.74062, -105.19840)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.0040
Other (At-Grade)
Multilane (2 Lane, unspecified)
1998 Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Small two-lane roundabout but with nontraversable central island.
Golden, CO
Jefferson Co.
United States
S. Golden Rd. / Utah St.
(39.73919, -105.19620)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
23.8782
Other (At-Grade)
Multilane (2 Lane, unspecified)
1998 Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States
S. Golden Rd. / Ulysses St.
(39.73771, -105.19390)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.5734
Other (At-Grade)
Single-Lane
1998 Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Main entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States
Horizon Dr. / 12th St.
(39.10165, -108.55234)
Roundabout
Existing
All-Way Yield
None
4 Approaches
1 Driveways
39.6240
Other (At-Grade)
Single-Lane
1998 Bicycle-only (bike-only) driveway into circulatory roadway in northeast quadrant, leading into bicycle (bike) roundabout.
Orlando, FL
Orange Co.
United States
N. Westmoreland Dr. / S. Lake Adair Blvd.
(28.55947, -81.39339)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
22.0291
Other (At-Grade)
Single-Lane
1998 Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints; skewed Functional Class: Collector? ICD estimated from Google Maps linework.
The Villages, FL
Sumter Co.
United States
Buena Vista Blvd. / Glenview Rd. / El Camino Real
(28.95271, -82.00076)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
71.0641
Other (At-Grade)
Multilane (2 Lane, unspecified)
1998 ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States
N. Uinta Way / E. 6th Ave. Pkwy.
(39.72570, -104.89200)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
51.4401
Other (At-Grade)
Single-Lane
1998 ICD estimated from Google Maps linework.
The Villages, FL
Sumter Co.
United States
Morse Blvd. / El Camino Real / Paige Pl.
(28.94803, -81.95540)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
68.9771
Other (At-Grade)
Multilane (2 Lane, unspecified)
1998 ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States
E. Lowry Blvd. / E Fairmount Dr. / Rampart Way
(39.71718, -104.89580)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
49.6091
Other (At-Grade)
Multilane (2 Lane, unspecified)
1998 ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States
1700 North / 1730 North / 1500 West
(40.25650, -111.68530)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
26.4324
Other (At-Grade)
Single-Lane
1998 ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States
1730 North / 1740 West
(40.25703, -111.68890)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.3437
Other (At-Grade)
Single-Lane
1998 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States
Rockhurst Blvd. / University Park Blvd.
(38.91005, -104.78980)
Roundabout
Existing
Unknown
Unknown
3 Approaches
0 Driveways
21.3750
Other (At-Grade)
Single-Lane
1998 ICD estimated from Google Maps linework.
Abingdon, MD
Harford Co.
United States
Tollgate Rd. / Singer Rd.
(39.47828, -76.32727)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.8121
Other (At-Grade)
Single-Lane
1998 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Gaithersburg, MD
Montgomery Co.
United States
Winter Walk Dr. / Highland Ridge Ave.
(39.12807, -77.22692)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.2800
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1993-2002). Was cul-de-sac prior to addition of two more legs. ICD estimated from Google Maps linework.
Vaughan, ON
York
Canada
S Park Rd. / S Park Rd.
(43.83875, -79.39747)
Other
Existing
Unknown
None
2 Approaches
0 Driveways
40.0000
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (before 2002)
Parker, CO
Douglas Co.
United States
Clubhouse Dr. / S Pikes Peak Dr.
(39.51305, -104.76302)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.5634
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1994-1999). ICD estimated from Google Maps linework.
Woodbridge, VA
Prince William Co.
United States
Greatbridge Rd. / Mays Quarter Rd.
(38.68304, -77.34802)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
44.7509
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1994-2002). ICD estimated from Google Maps linework.
Lakeport, CA
Lake Co.
United States
Todd Rd. / Parallel Dr.
(39.03226, -122.92521)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
31.5433
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1993-2003). ICD estimated from Google Maps linework.
Fairview, CA
Alameda Co.
United States
Fairview Ave. / Five Canyons Pkwy. / East Ave. (Star Ridge Rd.)
(37.67520, -122.03220)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
20.7965
Other (At-Grade)
Single-Lane
1998 https://www.sfgate.com/bayarea/article/COMMUTER-CHRONICLES-IN-A-ROUNDABOUT-WAY-The-2975842.php ICD estimated from Google Maps linework.
Yuma, AZ
Yuma Co.
United States
S Main St. / E 3rd St.
(32.72258, -114.61788)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
15.0718
Other (At-Grade)
Single-Lane
1999 Painted splitter islands on Main St. Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
Newberg, OR
Yamhill Co.
United States
Foothills Dr. / Center St.
(45.32467, -122.96999)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
26.8710
Other (At-Grade)
Single-Lane
1999 Very small splitter islands, with pedestrian crossings next to circulatory roadway. ICD estimated from Google Maps linework.
Elgin, SC
Richland Co.
United States
Jacobs Millpond Rd. / Woodcreek Farms Rd.
(34.12103, -80.83451)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
23.7295
Other (At-Grade)
Single-Lane
1999 Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Norman, OK
Cleveland Co.
United States
Manor Hill Dr. / Sherburne Rd.
(35.22406, -97.50950)
Roundabout
Existing
All-Way Yield
None
3 Approaches
5 Driveways
36.0991
Other (At-Grade)
Single-Lane
1999 No truck apron. Year Completed estimated (1995-2003). ICD estimated from Google Maps linework.
Maryland Heights, MO
St. Louis Co.
United States
Casino Center Dr. / (casino parking)
(38.75175, -90.47969)
Other
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.1195
Other (At-Grade)
Multilane (2 Lane, unspecified)
1999 Yield on circulatory roadway. Year Completed estimated (1996-2002) ICD estimated from Google Maps linework.
Jensen Beach, FL
Martin Co.
United States
SR 707 / Pineapple Dr. / Jensen Beach Causeway
(27.25074, -80.22818)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.7914
Other (At-Grade)
Single-Lane
1999 RT only lanes entering roundabout on two approaches. ICD estimated from Google Maps linework.
Honolulu, HI
Oahu Co.
United States
Keeaumoku St. / Heulu St.
(21.30592, -157.83500)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
17.8032
Other (At-Grade)
Single-Lane
1999 Urban. ICD estimated from Google Maps linework.
Barnstable, MA
Barnstable Co.
United States
Rte 149 / Race Ln.
(41.68164, -70.40159)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.8676
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Lexington, KY
Fayette Co.
United States
W Reynolds Rd. / Keithshire Way / Wellington Way
(37.99520, -84.53814)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
62.1196
Other (At-Grade)
Multilane (2 Lane, unspecified)
1999 Opened between 1997 and 2002. Functional Class: Collector ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States
5000 North / Edgewood Dr.
(40.30066, -111.65750)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
19.1282
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Stillwater, MN
Washington Co.
United States
Rutherford Rd. / 72nd St. / New England Pl. (School House Circle)
(45.05673, -92.85909)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
55.6830
Other (At-Grade)
Single-Lane
1999 Functional Class: Local ICD estimated from Google Maps linework.
New Castle, CO
Garfield Co.
United States
Castle Valley Blvd. / Pyramid St.
(39.57959, -107.52880)
Roundabout
Existing
Unknown
Unknown
3 Approaches
0 Driveways
33.1386
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
New Castle, CO
Garfield Co.
United States
Castle Valley Blvd. / (TBD)
(39.57517, -107.52190)
Roundabout
Existing
Unknown
Unknown
2 Approaches
0 Driveways
31.2996
Other (At-Grade)
Single-Lane
1999 Facilitates U-turns. ICD estimated from Google Maps linework.
Linton Hall, VA
Prince William Co.
United States
Braemar Pkwy. (VA 3080) / Iona Sound Dr. (VA 3089)
(38.73510, -77.56889)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
46.5816
Other (At-Grade)
Single-Lane
1999 Year Completed estimated (1994-2002). ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States
Casa Grande Rd. / Ely Blvd.
(38.24348, -122.59580)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
31.8924
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Orlando, FL
Orange Co.
United States
N. Westmoreland Dr. / N. Lake Adair Blvd.
(28.56104, -81.39342)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
17.8328
Other (At-Grade)
Single-Lane
1999 Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints Functional Class: Collector? ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States
Main St. / 200 N St. / Diagonal St.
(37.11152, -113.58350)
Roundabout
Existing
All-Way Yield
Unknown
5 Approaches
0 Driveways
30.4778
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States
S. Monaco St. / E. Berry Ave.
(39.61682, -104.91340)
Traffic Calming Circle
Existing
Unknown
Unknown
3 Approaches
0 Driveways
11.9603
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States
S. Monaco St. / E. Dorado Ave.
(39.61319, -104.91350)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
9.2007
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States
S. Monaco St. / E. Dorado Pl.
(39.61199, -104.91350)
Traffic Calming Circle
Existing
Unknown
Unknown
3 Approaches
0 Driveways
11.0410
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States
S. Monaco St. / E. Ida Ave.
(39.61082, -104.91350)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
14.7216
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States
S. Monaco St. / E. Powers Ave.
(39.61501, -104.91350)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
9.2005
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States
S. Monaco St. / E. Prentice Pl.
(39.61977, -104.91350)
Traffic Calming Circle
Existing
Unknown
Unknown
3 Approaches
0 Driveways
14.7197
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Willimantic, CT
Windham Co.
United States
Eastern Rd. / (driveway) (ECSU Campus by clock tower)
(41.72001, -72.21691)
Traffic Calming Circle
Existing
All-Way Yield
None
3 Approaches
0 Driveways
24.0693
Other (At-Grade)
Single-Lane
1999 Not properly signed and painted, but lots of potential for demonstrating this intersection concept. ICD estimated from Google Maps linework.
Bloomington, IN
Monroe Co.
United States
High St. / Winslow Rd. / Rogers Rd.
(39.13631, -86.50819)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.9078
Other (At-Grade)
Single-Lane
1999 $497,000 construction cost. ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States
Moore Blvd. / Rockwell Dr.
(38.56830, -121.72630)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
25.2127
Other (At-Grade)
Single-Lane
1999 Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States
Moore Blvd. / Wright Blvd.
(38.56490, -121.71860)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
24.2801
Other (At-Grade)
Single-Lane
1999 Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States
Tollgate Rd. / Wheel Rd.
(39.48999, -76.32914)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.5729
Other (At-Grade)
Single-Lane
1999 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States
MD 7 / Holly Oaks Drive
(39.48848, -76.21669)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.1039
Other (At-Grade)
Single-Lane
1999 Opened September 1999. ICD estimated from Google Maps linework.
Millington, MD
Kent Co.
United States
MD 291 / US 301 SB Ramps
(39.26463, -75.86641)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
31.4393
Freeway Ramps (Grade-Separated)
Single-Lane
1999 Opened August 1999. ICD estimated from Google Maps linework.
Millington, MD
Kent Co.
United States
MD 291 / US 301 NB Ramps
(39.26386, -75.86260)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.6656
Freeway Ramps (Grade-Separated)
Single-Lane
1999 Opened August 1999. ICD estimated from Google Maps linework.
Castle Marina, MD
Queen Annes Co.
United States
MD 18 / Castle Marina Rd.
(38.97871, -76.28938)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.7819
Other (At-Grade)
Single-Lane
1999 Previously controlled by two-way stop ICD estimated from Google Maps linework.
Superior, CO
Boulder Co.
United States
5th Ave. / Center Dr.
(39.95764, -105.17190)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
31.1262
Other (At-Grade)
Single-Lane
1999 Serves Costco and Target as part of 750,000 square foot shopping center. Functional Class: Local ICD estimated from Google Maps linework.
Lakewood, CO
Jefferson Co.
United States
Allison Pkwy. / Civic Center
(39.70906, -105.08630)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
31.2390
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Carson City, NV
Carson City Co.
United States
E 5th St. / Fairview Dr.
(39.16090, -119.72790)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
1999
Northglenn, CO
Adams Co.
United States
Melody Dr. / Kennedy Dr.
(39.89222, -104.99270)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.6541
Other (At-Grade)
Single-Lane
1999 Roundabout is single-lane except for NB approach with separate RT lane. ICD estimated from Google Maps linework.
Eugene, OR
Lane Co.
United States
N. Terry St. / Roosevelt Blvd.
(44.06371, -123.18825)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
20.5969
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Reno, NV
Washoe Co.
United States
Wedekind Rd. / Clear Acre Ln.
(39.55157, -119.78930)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
23.0222
Other (At-Grade)
Single-Lane
1999 Previously controlled by two-way stop ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States
Chopper Cir. / VIP Parking / 9th St. / Access Rd
(39.74721, -105.00810)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
52.3424
Other (At-Grade)
Single-Lane
1999 Located at Pepsi Center arena Functional Class: Collector ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States
Shasta Dr. / Olympic Dr.
(38.55540, -121.77620)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
24.2833
Other (At-Grade)
Single-Lane
1999 Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States
Samoa Blvd. / Union St.
(40.86140, -124.07730)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.2273
Other (At-Grade)
Single-Lane
1999 Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States
Samoa Blvd. / Buttermilk Ln.
(40.85710, -124.07250)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.1329
Other (At-Grade)
Single-Lane
1999 Functional Class: Arterial ICD estimated from Google Maps linework.
Brattleboro, VT
Windham Co.
United States
Rte 9 / Rte 5
(42.88500, -72.55670)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
51.8160
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
1999 Adjacent to I-89. Heavy truck volume (>7%).
Bend, OR
Deschutes Co.
United States
SW Century Dr. / SW Colorado Ave. / SW Chandler Ave.
(44.04180, -121.33200)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
57.9120
Other (At-Grade)
Single-Lane
1999 Completed Fall 1999. One leg comes in at 60 degree angle. Right-turn bypass lane part of conceptual design but removed for final. First modern roundabout in Oregon.
Lutherville-Timonium, MD
Baltimore Co.
United States
MD 139 (Charles St.) / Bellona Ave.
(39.41790, -76.62900)
Roundabout
Removed
All-Way Yield
None
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Multilane (2 Lane, unspecified)
1999 Two-lane circulatory roadway across northern half.
Carlsbad, CA
San Diego Co.
United States
Legoland Dr. / Armada Dr.
(33.13229, -117.31660)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
41.1480
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
1999 Unstriped circulatory roadway.
Ellicott City, MD
Howard Co.
United States
MD 104 (Waterloo Rd.) / MD 100 WB Ramps
(39.22470, -76.80600)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
45.7200
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
1999
Federalsburg, MD
Caroline Co.
United States
MD 307 / MD 313 / MD 318
(38.68938, -75.78949)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.4247
Other (At-Grade)
Single-Lane
1999 Rural, installed for safety reasons Previously controlled by two-way stop ICD estimated from Google Maps linework.
Lisbon, MD
Howard Co.
United States
MD 94 / Old Frederick Rd. (Lisbon North)
(39.34810, -77.06930)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
26.7839
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
(unincorporated), MD
Anne Arundel Co.
United States
Arundel Beach Rd. / Leelyn Dr.
(39.07955, -76.54560)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.9594
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.