Roundabouts Database

28850 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
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.
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.
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.
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.
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.
Eagle, CO
Eagle Co.
United States 		Eby Creek Rd. / US 6
(39.65630, -106.82500) 		Roundabout
Existing 		All-Way Yield
Active Pedestrian Warning (flashing yellow) 		4 Approaches
0 Driveways
40.4579 		Other (At-Grade)
Single-Lane 		2001 Opened July 2001. Highway ref pt. 6-49.67. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Lakewood, CO
Jefferson Co.
United States 		Arbutus Dr. / W. 2nd Pl.
(39.71649, -105.14750) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.5609 		Other (At-Grade)
Single-Lane 		2001 Functional Class: Collector ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		12th Ave. / Irving St.
(46.19768, -119.19670) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.9874 		Other (At-Grade)
Single-Lane 		2001 Functional Class: Collector ICD estimated from Google Maps linework.
Kent, WA
King Co.
United States 		S. 216th St. / 42nd Ave. S / 40th Pl. S
(47.40843, -122.28120) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
23.4402 		Other (At-Grade)
Single-Lane 		2001 Opened July 2001. ICD estimated from Google Maps linework.
Sammamish, WA
King Co.
United States 		NE Inglewood Hill / 216th Ave. NE
(47.61554, -122.05180) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.3989 		Other (At-Grade)
Single-Lane 		2001 October 2001. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		SW Colorado Ave. / SW Simpson St.
(44.04770, -121.32290) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.2050 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Clearwater, FL
Pinellas Co.
United States 		Mandalay Ave. / Acacia St.
(27.98970, -82.82660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.4750 		Other (At-Grade)
Single-Lane 		2001 Boundary between commercial and residential area. Allows traffic attempting to park to use roundabout for U-turn without entering residential area. Also serves as U-turn for everyone, including WB-50 semis. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Amelia Island, FL
Nassau Co.
United States 		SR A1A / Amelia Island Plantation
(30.55717, -81.45009) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2001 Year Completed estimated (1999-2003).
Amelia Island, FL
Nassau Co.
United States 		SR A1A / Beach Lagoon Rd.
(30.55541, -81.44933) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2001 Elliptical shape. ICD = 125 ft x 105 ft. Year Completed estimated (1999-2003).
Anchorage, AK
Anchorage
United States 		Southport Dr. / Maritime Loop / Washington Ave.
(61.12706, -149.92590) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.9886 		Other (At-Grade)
Single-Lane 		2001 The first winter resulted in several accidents, including the loss of a number of light poles around the circle. In response, minor modifications were made to the roundabout in 2002. ICD estimated from Google Maps linework.
Calabasas, CA
Los Angeles Co.
United States 		Parkway Calabasas / Camino Portal
(34.13878, -118.65890) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.6442 		Other (At-Grade)
Single-Lane 		2001 Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Originally double-lane roundabout. Parkway Calabasas approaches tapered to single-lane in advance of entry by striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Little Rock, AR
Pulaski Co.
United States 		36th St. / Romine Rd. / West Rd.
(34.72098, -92.38181) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.5782 		Other (At-Grade)
Single-Lane 		2001 Elementary school and church nearby. http://www.contextsensitivesolutions.org/content/case_studies/kentucky_roundabout/resources/kentucky_roundabout_pdf/ Functional Class: Arterial ICD estimated from Google Maps linework.
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, unspecified) 		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.
Moses Lake, WA
Grant Co.
United States 		Yonezawa Blvd. / Clover Dr. / Kittleson Rd.
(47.10387, -119.25730) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.8990 		Other (At-Grade)
Single-Lane 		2001 Part of series of 3 roundabouts. Functional Class: Collector ICD estimated from Google Maps linework.
Moses Lake, WA
Grant Co.
United States 		Yonezawa Blvd. / Leanne Ave.
(47.10454, -119.27060) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.4597 		Other (At-Grade)
Single-Lane 		2001 Completed fall 2001. Part of series of 3 roundabouts. Functional Class: Collector ICD estimated from Google Maps linework.
North Haven, NY
Suffolk Co.
United States 		Tyndall Road / Rte. 114 (Ferry Rd.)
(41.01303, -72.31309) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.2334 		Other (At-Grade)
Single-Lane 		2001 Replaced a dangerous 2-way stop. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Guelph, ON
Wellington County
Canada 		Summerfield Dr. / Colonial Dr.
(43.51809, -80.18253) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.4466 		Other (At-Grade)
Single-Lane 		2001 Located in Pine Ridge East residenital subdivision Functional Class: Collector ICD estimated from Google Maps linework.
Lafayette, LA
Lafayette Par.
United States 		Settlers Trace / River Ranch Dr.
(30.17073, -92.03625) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
42.3339 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 This a part of a Neo Traditional Neighborhood and the related street system. Completed June 2001. Functional Class: Collector ICD estimated from Google Maps linework.
Dimondale, MI
Eaton Co.
United States 		East Rd. / Creyts Rd.
(42.64743, -84.64275) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.6250 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2001 British-style mini-roundabout. http://www.teachamerica.com/roundabouts/RA054A_Waddell_ppr.pdf ICD estimated from Google Maps linework.
Rosemont, MD
Frederick Co.
United States 		MD 17 / MD 180
(39.33768, -77.63950) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.4828 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Scaggsville, MD
Howard Co.
United States 		MD 216 / US 29 SB Ramps
(39.14562, -76.90418) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.7228 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2001 Series of 4 roundabouts. ICD estimated from Google Maps linework.
Scaggsville, MD
Howard Co.
United States 		MD 216 / US 29 NB Ramps / Ice Crystal Dr.
(39.14476, -76.89799) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.7234 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2001 Series of 4 roundabouts. ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States 		Tabernacle Rd. / Main St.
(37.10812, -113.58350) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.8119 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		Columbia Park Drive #1
(46.22221, -119.15110) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.8367 		Other (At-Grade)
Single-Lane 		2001 Completed February 2001. Functional Class: Local ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		Columbia Park Drive #2
(46.22223, -119.14630) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
54.5366 		Other (At-Grade)
Single-Lane 		2001 Completed February 2001 Functional Class: Local ICD estimated from Google Maps linework.
Oak Grove, MD
Prince Georges Co.
United States 		MD 193 (Watkins Park Dr.) / Oak Grove Rd.
(38.87737, -76.78108) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1207 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Temple Hills, MD
Prince Georges Co.
United States 		MD 637 (Naylor Rd.) / Good Hope Ave.
(38.84922, -76.95655) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.6248 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Temple Hills, MD
Prince Georges Co.
United States 		MD 637 (Naylor Rd.) / Oxon Run Dr.
(38.84986, -76.95789) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.4150 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Draper, UT
Salt Lake Co.
United States 		1300 East / Pioneer Rd
(40.52518, -111.85340) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.2212 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Draper, UT
Salt Lake Co.
United States 		300 East / 12200 South
(40.52863, -111.88180) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.2193 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		3700 North / 300 West
(40.28282, -111.66310) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.2444 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		1375 West / 820 North
(40.24470, -111.68280) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
28.2603 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Salt Lake, HI
Oahu Co.
United States 		Ala Napunani St. / Likini St.
(21.34596, -157.90180) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.4727 		Other (At-Grade)
Single-Lane 		2001 Existing prior to 2006, includes driveway as 4th leg. Functional Class: Collector ICD estimated from Google Maps linework.
Hollymead, VA
Albemarle Co.
United States 		Ashwood Blvd. / Stratford Glen / Chimney Rd.
(38.10672, -78.43133) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
22.5545 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Fort Wayne, IN
Allen Co.
United States 		Old Mill Rd. / Westover Rd.
(41.04247, -85.15324) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
29.7261 		Other (At-Grade)
Single-Lane 		2001 Previously controlled by two-way stop control Functional Class: Collector ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States 		750 N St. / 2860 E St.
(37.12077, -113.52450) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
29.5218 		Other (At-Grade)
Single-Lane 		2001 Next to school campus. ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada 		Cresthaven Dr. / Waterbridge Dr.
(45.28097, -75.70818) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.6990 		Other (At-Grade)
Single-Lane 		2001 Minimal splitter islands. ICD estimated from Google Maps linework.
Minneapolis, MN
Hennepin Co.
United States 		Minnehaha Ave. / Godfrey Pkwy.
(44.91655, -93.21317) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.1384 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Maple Grove, MN
Hennepin Co.
United States 		Jonquil Ln. / 85th Ave.
(45.10938, -93.43398) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
57.3175 		Other (At-Grade)
Single-Lane 		2001 Mountable splitter islands, driverways in circle, parking in circle, pedestrian amenity in central island. Functional Class: Local ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada 		Sussex Dr. / Rideau Gate
(45.44456, -75.69254) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
24.3003 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.