Roundabouts Database

29410 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
Spokane, WA
Spokane Co.
United States 		Crestline Rd. / Lincoln St.
(47.72944, -117.37920) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.5271 		Other (At-Grade)
Single-Lane 		2006 Opened September 2006. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Research Pkwy. / (unknown #1)
(38.95966, -104.72230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5774 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Has marked double-left turn at northbound entry using conventional arrows. Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Research Pkwy. / (unknown #2)
(38.96123, -104.71810) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.2198 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Research Pkwy. / (unknown #3)
(38.96204, -104.71430) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.1479 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Functional Class: Arterial ICD estimated from Google Maps linework.
Nampa, ID
Canyon Co.
United States 		Happy Valley Rd. / Amity Ave.
(43.56146, -116.51290) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.2726 		Other (At-Grade)
Single-Lane 		2006 Designed for ultimate two-lane w/ 180-ft ICD. Current 160-ft single-lane is initial build. Previously controlled by 4-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Brighton, MI
Livingston Co.
United States 		Lee Rd. / US 23 SB Ramps
(42.50605, -83.75954) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.8600 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 Linked with Lee Rd/Whitmore Lake Rd roundabout. Previously controlled by one-way stop control ICD estimated from Google Maps linework.
Brighton, MI
Livingston Co.
United States 		Lee Rd. / Whitmore Lake Rd.
(42.50627, -83.76012) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.2622 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Linked with US 23 SB Ramps/Lee Rd. roundabout. Functional Class: Arterial ICD estimated from Google Maps linework.
Buena Vista Township, MI
Saginaw Co.
United States 		M-81 / I-75 SB Ramps
(43.45060, -83.89209) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.6818 		Freeway Ramps (Grade-Separated)
Single-Lane 		2006 Right turn bypass lanes ICD estimated from Google Maps linework.
Buena Vista Township, MI
Saginaw Co.
United States 		M-81 / I-75 NB Ramps
(43.45056, -83.88958) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.6818 		Freeway Ramps (Grade-Separated)
Single-Lane 		2006 Right turn bypass lanes ICD estimated from Google Maps linework.
Branson, MO
Taney Co.
United States 		Branson Landing Blvd. / Veterans Blvd. / Skaggs Rd. / Parnell Dr.
(36.64981, -93.21976) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
63.2418 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Near Skaggs Community Health Center Hospital. Veterans Boulevard was formerly Business 65 but was transferred from MoDOT to the city. Cost of roundabout was $1.9 million. News article: http://www.news-leader.com/apps/pbcs.dll/article?Date=20060324&Category=NEWS02&ArtNo=603240360&SectionCat=&Template=printart ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW Crossing Dr. / Lemhi Pass Rd.
(44.06210, -121.34600) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7544 		Other (At-Grade)
Single-Lane 		2006 New roads as part of NW Crossing Development ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW Crossing Dr. / Shevlin Park Road
(44.06410, -121.34480) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.3280 		Other (At-Grade)
Single-Lane 		2006 Intersection as part of NW Crossing Development. Connection to existing NW Shevlin Park Road. ICD estimated from Google Maps linework.
Estero, FL
Lee Co.
United States 		Williams Rd. / Chapel Trace
(26.41990, -81.83160) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.9485 		Other (At-Grade)
Single-Lane 		2006 Near Estero High School. ICD estimated from Google Maps linework.
Camp Verde, AZ
Yavapai Co.
United States 		Middle Verde Rd. / I-17 NB Ramps
(34.61039, -111.86160) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.4040 		Freeway Ramps (Grade-Separated)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Greensboro, NC
Guilford Co.
United States 		Lake Jeanette Rd. / Bass Chapel Rd. / N. Elm St.
(36.14622, -79.81002) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.8620 		Other (At-Grade)
Single-Lane 		2006 This location currently meets traffic signal warrants. We are installing the roundabout instead of a traffic signal. Previously controlled by stop sign Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Jackson, MS
Hinds Co.
United States 		Metro Pkwy. / Terry Rd. / Pearl St. / Pascagoula St.
(32.29912, -90.19500) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
79.2480 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006
Jackson, MS
Hinds Co.
United States 		Metro Pkwy. / Rose St.
(32.30005, -90.20143) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Elliptical shaped. ICD = 160 ft x 115 ft.
Kennewick, WA
Benton Co.
United States 		Grandridge Blvd. / Center Pkwy.
(46.22032, -119.23220) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.5746 		Other (At-Grade)
Single-Lane 		2006 Completed August 3, 2006. Functional Class: Collector ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		18th Ave. / Irving St.
(46.19221, -119.19620) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.1649 		Other (At-Grade)
Single-Lane 		2006 New roads/intersection in subdivision - completed February 2006. Functional Class: Local ICD estimated from Google Maps linework.
Charlotte, NC
Mecklenburg Co.
United States 		E. 9th St. / N. Davidson St.
(35.22668, -80.83273) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.9516 		Other (At-Grade)
Single-Lane 		2006 Near elementary school. ICD estimated from Google Maps linework.
Rexburg, ID
Madison Co.
United States 		2nd W. / 4th S.
(43.81770, -111.78950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.1941 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Maps linework.
The Villages, FL
Sumter Co.
United States 		Buena Vista Blvd. / Bailey Trl.
(28.87536, -81.99070) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
56.4754 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Maps linework.
Prior Lake, MN
Scott Co.
United States 		Fountain Hills Dr. / Jeffers
(44.74596, -93.44472) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.8679 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Monticello, MN
Wright Co.
United States 		CSAH 18 (Fenning Ave.) / Meadow Oak Ave.
(45.28698, -93.77066) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.9722 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Champlin, MN
Hennepin Co.
United States 		109th Ave. / Goose Lake Rd. / Zachary Ln.
(45.15226, -93.42163) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.3217 		Other (At-Grade)
Single-Lane 		2006 Posted speed on mainline approach 45 mph. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Maple Grove, MN
Hennepin Co.
United States 		Norwood Ln. / 85th Pl.
(45.10971, -93.43961) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.6737 		Other (At-Grade)
Single-Lane 		2006 Intersection of local and collector street in residential development. Functional Class: Collector ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada 		Kilborn Ave. / Lamira St.
(45.38604, -75.67085) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.5195 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Mount Horeb, WI
Dane Co.
United States 		Springdale St. / Perimeter St.
(43.01009, -89.72186) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.5667 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Mount Horeb, WI
Dane Co.
United States 		Springdale St. / Brookwood Dr.
(43.00978, -89.71380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8068 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Mount Horeb, WI
Dane Co.
United States 		Springdale St. / Telmark Pkwy.
(43.00933, -89.71098) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.6540 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Mount Horeb, WI
Dane Co.
United States 		Springdale St. / Ridgeview Rd. / Lillehammer Ln.
(43.00663, -89.70390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.4418 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Washington, UT
Washington Co.
United States 		Camino Real / Silver Falls Dr
(37.10077, -113.49480) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4822 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Fernley, NV
Lyon Co.
United States 		US 50A / US 95A
(39.60358, -119.22700) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.6907 		Other (At-Grade)
Single-Lane 		2006 Opened August 18, 2006. Functional Class: Arterial ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada 		Ruskin St. / Melrose Ave. / Reid Ave. / Laurentian Pl.
(45.39478, -75.71996) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
31.0311 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Walled Lake, MI
Oakland Co.
United States 		Loop Rd. / Commerce Crossing Dr.
(42.53542, -83.44801) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
49.2829 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Next to Costco retail center and gas station. ICD estimated from Google Maps linework.
Lake Stevens, WA
Snohomish Co.
United States 		Lundeen Park Way / Callow Rd. / Lakeview Dr. / Vernon Rd.
(48.01797, -122.09050) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.9553 		Other (At-Grade)
Single-Lane 		2006 http://www1.co.snohomish.wa.us/Departments/Public_Works/Services/Roads/Projects/LundeenCallow.htm. Opened June 2006. ICD estimated from Google Maps linework.
Champlin, MN
Hennepin Co.
United States 		109th Ave. / Elm Creek Pkwy.
(45.15210, -93.40291) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0064 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Champlin, MN
Hennepin Co.
United States 		117th Ave. / Business Park Blvd.
(45.16656, -93.38891) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.5244 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Champlin, MN
Hennepin Co.
United States 		Business Park Blvd. / Emery Pkwy.
(45.16798, -93.38905) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3656 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Burtonsville, MD
Montgomery Co.
United States 		Dustin Rd. / US 29 SB Offramp / Columbia Pike
(39.12256, -76.92656) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.5482 		Freeway Ramps (Grade-Separated)
Single-Lane 		2006 Fatal crash October 14, 2007.: http://www.fredericknewspost.com/sections/news/display.htm?StoryID=66411. 11861-05. ICD estimated from Google Maps linework.
Squamish, BC
Squamish-Lillooet District
Canada 		Commercial Way / Discovery Way
(49.72279, -123.15057) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Home Depot retail center on one corner. Uses fishhook signs and pavement markings. Year Completed estimated (2004-2009).
Dublin, OH
Union Co.
United States 		Hyland-Croy Rd. / Glacier Ridge Blvd
(40.15634, -83.18476) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.9484 		Other (At-Grade)
Single-Lane 		2006 A school nearby and park on the other side. Previously controlled by stop control side street Functional Class: Arterial/Residential ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		W. Bridge St. / US 85 NB Ramps
(39.98683, -104.82320) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
43.0090 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 Part of double-dumbbell interchange with two roundabouts and one storage lane into railroad crossing. ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		W. Bridge St. / US 85 SB Ramps
(39.98682, -104.82450) 		Roundabout
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
43.9241 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 Part of double-dumbbell interchange with two roundabouts and one storage lane into railroad crossing. ICD estimated from Google Maps linework.
Bedford, VA
Bedford Co.
United States 		London Park Dr. / Meade Rd. / Meadow Down Dr.
(37.30592, -79.33699) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006 https://www.wdbj7.com/2020/07/28/meade-road-extension-to-be-completed-soon/
Hollymead, VA
Albemarle Co.
United States 		Timberwood Blvd. / Grand Forks Blvd.
(38.13111, -78.44283) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
93.9459 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		W 96th St. / N Spring Mill Rd.
(39.92713, -86.16510) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2006
Macomb, MI
Macomb Co.
United States 		25 Mile Rd. / Hayes Rd.
(42.70090, -82.97623) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.4973 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Mendon, NY
Monroe Co.
United States 		NY 65 / NY 251
(42.99061, -77.57766) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8180 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Springfield, OR
Lane Co.
United States 		Hayden Bridge Way / Pioneer Pkwy. / Wayside Ln.
(44.07090, -123.02880) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		5 Approaches
0 Driveways
52.3441 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 http://www.registerguard.com/news/2006/09/21/a1.roundabout.0921.p1.php?section=cityregion Prior configuration was an offset T with Wayside east of Pioneer Parkway East. M L King Parkway did not exist. ICD estimated from Google Maps linework.
Hilliard, OH
Franklin Co.
United States 		Britton Pkwy. / Hayden Run Rd.
(40.06202, -83.13750) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD = 160 feet in one-lane section, 180 in two-lane section.
Hilliard, OH
Franklin Co.
United States 		Britton Pkwy. / Riggins Rd.
(40.06493, -83.13857) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8637 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2006 Converted from 2x2 roundabout to a 2x1 roundabout in 2020 by changing the EB and WB thru/right lanes to RT only lanes.
Eno, CO
Adams Co.
United States 		Memphis St. / E. 105th Way
(39.88830, -104.79660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.8265 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Eno, CO
Adams Co.
United States 		Memphis St. / E. 106th Pl.
(39.88960, -104.79650) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.6588 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Eno, CO
Adams Co.
United States 		Kittredge St. / E. 105th Ave.
(39.88913, -104.80030) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.2377 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Eno, CO
Adams Co.
United States 		Kittredge St. / E. 107th Ave.
(39.89114, -104.80140) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.3237 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Tumwater, WA
Thurston Co.
United States 		Tumwater Blvd. / New Market St.
(46.97971, -122.91320) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.7052 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Functional Class: Arterial ICD estimated from Google Maps linework.
Medford, OR
Jackson Co.
United States 		Highland Dr. / Siskiyou Blvd.
(42.32110, -122.84986) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2006 Elliptical shaped. ICD = 140 ft x 125 ft. Fire station on south leg.
Glenwood Springs, CO
Garfield Co.
United States 		Mel Ray Rd. / I-70 EB Ramps / Midland Ave. / Riverine Rd.
(39.56019, -107.36139) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.9595 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 1 of 2 at Exit 114 on I-70, observed under construction in 2005. ICD estimated from Google Maps linework.
Pearl Harbor Naval Base (Ford Island), HI
Oahu Co.
United States 		Ford Island Blvd. / Saratoga Blvd.
(21.36689, -157.95610) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.2752 		Other (At-Grade)
Single-Lane 		2006 Existing prior to 2005. Relocated in 2005/2006. Functional Class: Collector ICD estimated from Google Maps linework.
Glenwood Springs, CO
Garfield Co.
United States 		Mel Ray Rd. / I-70 WB Ramps / US 6
(39.56142, -107.36127) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
44.1965 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		2nd Ave. NE / NE 91st St.
(47.69499, -122.32710) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
8.0388 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Densmore Ave. N / N 137th St.
(47.72867, -122.33830) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
16.8705 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Sunnyside Ave. N / N 43rd St.
(47.65912, -122.33020) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006
Seattle, WA
King Co.
United States 		4th Ave. N / N. Prospect St.
(47.62890, -122.34880) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
10.4636 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Linden Ave. N / N. 36th St.
(47.65116, -122.34860) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
35.4002 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Woodlawn Ave. N / N. 36th St.
(47.65051, -122.33870) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
12.8730 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States 		E. Brigham Rd. / I-15 NB Ramps
(37.05939, -113.58350) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.8889 		Freeway Ramps (Grade-Separated)
Single-Lane 		2006 Raindrop-shaped interchange terminal. ICD estimated from Google Maps linework.
Orem, UT
Utah Co.
United States 		2000 South / Sandhill Rd.
(40.26074, -111.70420) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.7220 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		29th Ave. S / S. Judkins St.
(47.59217, -122.29550) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
12.8873 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		31st Ave. E / E. Denny St.
(47.62016, -122.29230) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
64.4023 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Malta, NY
Saratoga Co.
United States 		Rte 67 (Dunning St.) / State Farm Pl.
(42.96991, -73.80676) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
43.6952 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Part of a series of 5 roundabouts. ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States 		E. Brigham Rd. / I-15 SB Ramps / Pioneer Rd.
(37.05999, -113.58560) 		Roundabout
Existing 		All-Way Yield
None 		6 Approaches
0 Driveways
78.1526 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 Combines interchange ramps and frontage road. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		21st Ave. E / E. Republican St.
(47.62320, -122.30470) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
5.6349 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		22nd Ave. E / E Thomas St.
(47.62138, -122.30360) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006
Overland Park, KS
Johnson Co.
United States 		133rd St. / Lamar Ave.
(38.88654, -94.65847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.1862 		Other (At-Grade)
Single-Lane 		2006 Completed May 2006. ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Sylvan Ave. / Millbrook Ave.
(37.68898, -120.93520) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.3658 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Sharon Ave. / Maid Mariane Rd.
(37.67451, -120.93050) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
20.7967 		Other (At-Grade)
Single-Lane 		2006 Opened July 27, 2006. Functional Class: Collector ICD estimated from Google Maps linework.
Clovis, NM
Curry Co.
United States 		Hwy 245 (Llano Estacado Blvd.) / Norris St.
(34.43384, -103.17830) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.3276 		Other (At-Grade)
Single-Lane 		2006 Completed February 27, 2006. Website: http://www.cityofclovis.org/roundabout/roundabout.htm ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States 		(Mercy Regional Medical Center ring road) / (unknown)
(37.23677, -107.82050) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.2308 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States 		Wilson Gulch Dr. / Three Springs Blvd.
(37.23339, -107.82310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2006
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
50.2920 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2006 Painted spiral next to central island. Part of a series of 5 roundabouts.
Clackamas, OR
Clackamas Co.
United States 		Monterey Ave. / Stevens Rd.
(45.43780, -122.56390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.8738 		Other (At-Grade)
Single-Lane 		2006 Fourth leg serves New Hope Community Church parking lot. ICD estimated from Google Maps linework.
Dawsonville, GA
Dawson Co.
United States 		SR 9E (Lumpkin Campground Rd.) / SR 318 (Dawson Forrest Rd.)
(34.35427, -84.05168) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2006
Copley Township, OH
Summit Co.
United States 		Ridgewood Rd. / Hametown Rd.
(41.11395, -81.66791) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1947 		Other (At-Grade)
Single-Lane 		2006 Opened August 21, 2006. ICD estimated from Google Maps linework.
St. Simons, GA
Glynn Co.
United States 		Frederica Rd. / Lawrence Rd.
(31.21650, -81.37550) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.8563 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		24th Ave. S / S. Norman St.
(47.59301, -122.30120) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
41.0778 		Other (At-Grade)
Unknown 		2006 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, unspecified) 		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, unspecified) 		2006 Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		26th Ave. S / S. Judkins St.
(47.59209, -122.29900) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
20.9420 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		28th Ave. NE / NE Hiram Pl. / NE 120th St.
(47.71572, -122.29810) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
164.7289 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		24th Ave. S / S. Dearborn St.
(47.59557, -122.30120) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
13.6919 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		E. Mountain View Rd. / N. Central Ave.
(33.57510, -112.07360) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
16.9162 		Other (At-Grade)
Single-Lane 		2006 Mini-roundabout ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		40th Ave. SW / SW Manning St.
(47.57122, -122.38250) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
7.2520 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Garnett, KS
Harvey Co.
United States 		US 59 / US 169
(38.25832, -95.24861) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.8910 		Other (At-Grade)
Single-Lane 		2006 None. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		25th Ave. S / S Dearborn St.
(47.59556, -122.30010) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		0 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006
Seattle, WA
King Co.
United States 		26th Ave. S / S. Dearborn St.
(47.59555, -122.29880) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
48.3244 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW Shevlin Park Rd. / Newport Ave. / College Way
(44.06240, -121.33770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.6125 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Greenwich, CT
Fairfield Co.
United States 		King St. / Rye Lake Ave.
(41.07508, -73.70280) 		Roundabout
Removed 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2006 Temporary roundabout installed May 12, 2004. Functional Class: Local.
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
64.0080 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2006