Roundabouts Database

30012 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
Hebron, KY
Kenton Co.
United States 		North Bend Rd. / Graves Rd. / Old North Bend Rd.
(39.09881, -84.71849) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.3432 		Other (At-Grade)
Single-Lane 		2009 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
Okemos, MI
Ingham Co.
United States 		Hamilton Rd. / Marsh Rd.
(42.71625, -84.42687) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.8350 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 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.
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.
Woodland, CA
Yolo Co.
United States 		Gum Ave. / Bourn Dr.
(38.66820, -121.74710) 		Roundabout
Removed 		All-Way Yield
None 		4 Approaches
0 Driveways
64.3428 		Other (At-Grade)
Single-Lane 		2008 Built as temporary in 2002. Temporary removed in 2008 and converted to AWSC. Previously controlled by two-way stop Functional Class: Collector 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.
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.
Fort Wayne, IN
Allen Co.
United States 		Adams Center Rd. / Marion Center Rd. / Maples Rd. / Wayne Terrace
(41.00440, -85.05704) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Single-Lane 		1995 Painted splitter islands. Year Completed estimated (before 1998).
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.
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.
Encinitas, CA
San Diego Co.
United States 		Leucadia Blvd / Hymettus Ave
(33.06470, -117.29620) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
21.0192 		Other (At-Grade)
Single-Lane 		2004 Previously controlled by two-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.
Springfield, OR
Lane Co.
United States 		Maple Island Rd. / (parking lot)
(44.08710, -123.03510) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.1674 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Springfield, OR
Lane Co.
United States 		Maple Island Rd. / International Way
(44.08840, -123.03490) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.1668 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Tamarack Resort, ID
Valley Co.
United States 		Village Dr. / Whitewater Dr.
(44.67280, -116.11770) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.8771 		Other (At-Grade)
Single-Lane 		2005 None. ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		E. Oak St. / N. 70th St.
(33.47301, -111.93050) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.9249 		Other (At-Grade)
Single-Lane 		2003 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
Kaukauna, WI
Outagamie Co.
United States 		CTH J / US 41 SB Ramps
(44.30645, -88.24948) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.8965 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Opened October 11, 2010. ICD estimated from Google Maps linework.
McPherson, KS
McPherson Co.
United States 		E. 1st St. / Centennial Dr.
(38.37671, -97.62996) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.3878 		Other (At-Grade)
Single-Lane 		2005 Fatal crash January 20, 2010. ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		S. Ridgeview Rd. / E. Loula St.
(38.88069, -94.79726) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.1027 		Other (At-Grade)
Single-Lane 		2004 Completed August 2004. ICD estimated from Google Maps linework.
Overland Park, KS
Johnson Co.
United States 		110th St. / Lamar Ave.
(38.92910, -94.65830) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.3130 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Concrete paving. Adjacent to convention center. ICD estimated from Google Maps linework.
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.
Overland Park, KS
Johnson Co.
United States 		W 161st Terr. / W 163rd St. / Flint St.
(38.83472, -94.71741) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.3526 		Other (At-Grade)
Single-Lane 		2007 Built for new development. ICD estimated from Google Maps linework.
Overland Park, KS
Johnson Co.
United States 		Santa Fe Dr. / Conser St.
(38.98233, -94.67347) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.2076 		Other (At-Grade)
Single-Lane 		2004 Completed September 2004. ICD estimated from Google Maps linework.
Tampa, FL
Hillsborough Co.
United States 		E. 4th Ave. / Channelside Dr.
(27.95773, -82.44586) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.8131 		Other (At-Grade)
Single-Lane 		1995 No deflection on one approach. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Business Loop 70 / I-70 WB Ramps / Creasy Springs Rd.
(38.96655, -92.35241) 		Roundabout
Removed 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
94.7178 		Freeway Ramps (Grade-Separated)
Single-Lane 		1996 First roundabout in Missouri by Missouri DOT. Originally built in 1996 per article: https://www.voxmagazine.com/news/all-about-roundabouts-in-columbia/article_93724b2b-8b20-5228-b4de-315c5c3d2004.html. Replaced with roundabout to immediate west. ICD estimated from Google Maps linework.
Rutherford, NJ
Bergen Co.
United States 		Park Ave. / Erie Ave.
(40.82835, -74.10118) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.0152 		Other (At-Grade)
Single-Lane 		2004 Reconstructed as roundabout in 2004? ICD estimated from Google Maps linework.
Maplewood, NJ
Essex Co.
United States 		Midland Blvd. / Highland Ave.
(40.73043, -74.25748) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
83.2644 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Maplewood, NJ
Essex Co.
United States 		Midland Blvd. / Norfolk Ave.
(40.73111, -74.25972) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.2907 		Other (At-Grade)
Single-Lane 		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.
Belmar, NJ
Monmouth Co.
United States 		10th Ave. / B St.
(40.17772, -74.01782) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Belmar, NJ
Monmouth Co.
United States 		10th Ave. / D St.
(40.17855, -74.02169) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Summit, NJ
Union Co.
United States 		Union Pl. / Beechwood Rd.
(40.71691, -74.35757) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
19.0099 		Other (At-Grade)
Single-Lane 		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
Hinesville, GA
Liberty Co.
United States 		Washington Ave. / Memorial Dr.
(31.84992, -81.59570) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.5366 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Brookfield, WI
Waukesha Co.
United States 		Barker Rd. (CTH Y) / North Ave. (CTH M)
(43.06136, -88.16629) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.9042 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 Functional Class: Arterial 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.
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.
Coral Gables, FL
Miami-Dade Co.
United States 		Ponce de Leon Blvd. / Greco Ave. / Ruiz Ave.
(25.73047, -80.25832) 		Roundabout
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
49.4917 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 ICD estimated from Google Maps linework.
Hyannis, MA
Barnstable Co.
United States 		Iyannough Rd. / Barnstable Rd. / Falmouth Rd.
(41.66512, -70.28732) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
87.4371 		Other (At-Grade)
Unknown 		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.
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.
Windsor, CO
Weld Co.
United States 		Westgate Dr. / Oakmond St.
(40.48121, -104.98870) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2020 Year Completed estimated (2019-2021). Opened 1999-2004 as single-lane cul-de-sac with south leg and stubs on west and east legs and no evidence of traffic control; the outer portions of circulatory roadway were striped out. Converted to 2x1 roundabout 2019-2021 with addition of north leg.
Henrietta, NY
Monroe Co.
United States 		Andrews Memorial Dr. / Lomb Memorial Dr.
(43.08770, -77.67448) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.7614 		Other (At-Grade)
Single-Lane 		2003 On campus of Rochester Institute of Technology. ICD estimated from Google Maps linework.
Linton Hall, VA
Prince William Co.
United States 		Tartan Hills Pkwy. / Native Rocks Dr. / Seagate Way
(38.74593, -77.58755) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1911 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Parkville, MO
Platte Co.
United States 		National Dr. / Ridge Rd.
(39.21333, -94.70781) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
49.9696 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Portsmouth, VA
N/A Co.
United States 		Crawford St. / Bart St.
(36.83202, -76.29770) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.8849 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Chapel Hills Dr. / Divot Trl.
(38.97569, -104.77560) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.7116 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Functional Class: Arterial ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		St. Johns St. / New Haven Ct. (Hampton Circle)
(40.04742, -105.24740) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.5996 		Other (At-Grade)
Single-Lane 		1997 ICD estimated from Google Maps linework.
Fruita, CO
Mesa Co.
United States 		Aspen Ave. / Mesa St. (Park Square)
(39.15884, -108.73360) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
77.7908 		Other (At-Grade)
Unknown 		Completed 1940? ICD estimated from Google Maps linework.
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.
Winchester, VA
Frederick Co.
United States 		Commonwealth Ct. / (parking lot)
(39.12518, -78.19009) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
28.7222 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Gypsum, CO
Eagle Co.
United States 		I-70 Frontage Roads / US 6
(39.65086, -106.95510) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3351 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Swinomish Tribal Community, WA
Skagit Co.
United States 		SR 20 / Padilla Heights Rd.
(48.45519, -122.51940) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.2280 		Other (At-Grade)
Single-Lane 		2002 The ground breaking ceremony was held October 2002. The client is the Swinomish Tribe. Opened October 2002. Functional Class: Local ICD estimated from Google Maps linework.
La Conner, WA
Skagit Co.
United States 		LaConner-Whitney Rd. / Chilberg Rd. / Morris Sr.
(48.39234, -122.48660) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.5504 		Other (At-Grade)
Single-Lane 		2003 Roundabout replaces a Y intersection. The center island is under private ownership and contains an exisitng granite monument. Opened September 2003. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
New London, CT
New London Co.
United States 		Shaw St. / Pequot Ave. / Nameaug St. / Driveway to Pfizer
(41.34204, -72.09873) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8671 		Other (At-Grade)
Single-Lane 		2000 Functional Class: Collector ICD estimated from Google Maps linework.
Indianapolis, IN
Marion Co.
United States 		Monument Circle [Market St. / Meridian St.]
(39.76848, -86.15804) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1820 Most famous traffic circle in the State of Indiana. Completed 1820.
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.
Carson City, NV
Carson City Co.
United States 		Arrowhead Dr. / I-580 SB Ramp
(39.19810, -119.77540) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.7669 		Freeway Ramps (Grade-Separated)
Single-Lane 		2002 Future SB on-ramp for Carson City Freeway (I-580). Overpass and roundabouts completed in 2002; freeway ramps completed ~2005. ICD estimated from Google Maps linework.
Carson City, NV
Carson City Co.
United States 		Arrowhead Dr. / I-580 NB Ramps / Imus Rd.
(39.19840, -119.77380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.6923 		Freeway Ramps (Grade-Separated)
Single-Lane 		2002 NB off-ramp for Carson City Freeway (I-580) and extension of Imus Road. Overpass and roundabouts completed in 2002. ICD estimated from Google Maps linework.
Medford, MN
Steele Co.
United States 		CR 12 / I-35 NB Ramps
(44.17349, -93.25775) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.6872 		Other (At-Grade)
Single-Lane 		2002 Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
East Lansing, MI
Ingham Co.
United States 		Wilson Rd. / Red Cedar Rd.
(42.72324, -84.48238) 		Other
Removed 		Unknown
Unknown 		4 Approaches
0 Driveways
23.6898 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Sherwood, OR
Washington Co.
United States 		SW Oregon St. / SW Murdock Rd.
(45.36060, -122.82520) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
49.5120 		Other (At-Grade)
Single-Lane 		2002 Completed November 2002. 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.
Somerville, NJ
Somerset Co.
United States 		US 206 / US 202 Ramps / NJ 28 / West End Ave.
(40.57572, -74.62894) 		Rotary
Existing 		Other
Unknown 		5 Approaches
0 Driveways
144.7800 		Other (At-Grade)
Multilane (3+ Lane) 		Circulating traffic yields (stops) for entering traffic on northeast leg. ICD = 475 ft x 350 ft.
East Lansing, MI
Ingham Co.
United States 		Bogue St. / Wilson Rd.
(42.72326, -84.47186) 		Other
Removed 		Unknown
Unknown 		4 Approaches
0 Driveways
36.8508 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Hilton Head, SC
Beaufort Co.
United States 		US 278 / Pope Ave. / Greenwood Dr. / William Hilton Pkwy.
(32.15560, -80.76283) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
91.0011 		Other (At-Grade)
Single-Lane 		2000 Converted rotary with large diameter. Right turn bypass lanes on all legs. Conversion Year Completed estimated (1994-2005). ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		River Rd. / East 131st St. / Longest Dr.
(39.97910, -86.05145) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
79.2480 		Other (At-Grade)
Single-Lane 		1997 First roundabout in Carmel.
Carmel, IN
Hamilton Co.
United States 		Gray Rd. / 106th St.
(39.94151, -86.08847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.6277 		Other (At-Grade)
Single-Lane 		2003 Under construction in December 2002; completed January 2003. Intersection closed until completion. Construction cost $430,000 per Indianapolis Star article authored by Bill Ruthhart (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		Spring Mill Rd. / W. 131st St.
(39.97776, -86.16474) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.2691 		Other (At-Grade)
Single-Lane 		2007 Construction planned for Spring 2003 per article in The Indianapolis Star (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		Spring Mill Rd. / W. 136th St.
(39.98505, -86.16485) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.6893 		Other (At-Grade)
Single-Lane 		2005 Construction planned for Spring 2003 per article in The Indianapolis Star (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		Old Meridian St. / Pennsylvania St.
(39.96796, -86.15526) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2008
Carmel, IN
Hamilton Co.
United States 		Old Meridian St. / 131st (Main) St.
(39.97806, -86.14577) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2007 Painted spirals next to central island. Skewed intersection.
Bettendorf, IA
Scott Co.
United States 		53rd Ave. / Middle Rd.
(41.57538, -90.46408) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.5252 		Other (At-Grade)
Single-Lane 		2002 Right turn bypass lanes striped within roundabout. Construction cost ~$865,000. Information from website: http://www.bettendorf.lib.ia.us/publicworks/roundabout.html ICD estimated from Google Maps linework.
Johnson City, NY
Broome Co.
United States 		Riverside Dr. / Floral Ave. / Rte 201 Ramps
(42.10678, -75.96601) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2005 http://www.dot.state.ny.us/reg/r9/cur_project/circle/about/index.html
Raleigh, NC
Wake Co.
United States 		Pullen Rd. / Stinson Dr.
(35.78457, -78.66421) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.3773 		Other (At-Grade)
Single-Lane 		2002 Located on campus of North Carolina State University. Completed November 2002. Used to have Pedestrian signal located upstream of roundabout (removed in 2006) Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		67th St. / Gleason Rd.
(39.00723, -94.86295) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.3387 		Other (At-Grade)
Single-Lane 		2002 Built as part of extension of both streets -- road originally curved from the north to the east. Completed October 2002. Functional Class: Collector ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Chapel Hills Dr. / Royal Pine Dr.
(38.98067, -104.77060) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
26.9242 		Other (At-Grade)
Single-Lane 		2002 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.
Lake Oswego, OR
Clackamas Co.
United States 		SW Stafford Rd. / SW Rosemont Rd.
(45.39300, -122.69020) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.7740 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
(unincorporated), OR
Clackamas Co.
United States 		SW Stafford Rd. / SW Borland Rd.
(45.37472, -122.70240) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.6945 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		Bennett Creek Ave. / Bennett Creek Blvd.
(39.32256, -77.34935) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.8808 		Other (At-Grade)
Single-Lane 		2000 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.
Bend, OR
Deschutes Co.
United States 		SW Industrial Way / SW Wall St.
(44.05050, -121.31750) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.9023 		Other (At-Grade)
Single-Lane 		2003 Wall St. is one-way southbound into the roundabout. Roundabout is raindrop-shaped to prevent eastbound to northbound movements. Dogbone/peanut shape. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		SW Industrial Way / SW Bond St.
(44.05040, -121.31630) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.6191 		Other (At-Grade)
Single-Lane 		2003 Bond St. is one-way northbound out of the roundabout. Roundabout has raindrop-shaped central island, as no westbound to southbound movements are needed. Dogbone/peanut shape. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Beech Ave. / 1st St.
(38.79048, -104.84660) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
42.8219 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Lake Ave. / Lake Cir.
(38.79144, -104.84880) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.2724 		Other (At-Grade)
Single-Lane 		1995 Year Completed estimated (before 1999). ICD estimated from Google Maps linework.
The Villages, FL
Sumter Co.
United States 		Buena Vista Blvd. / Rainey Tr.
(28.91345, -81.99847) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3183 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 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.
Fort Collins, CO
Larimer Co.
United States 		Stanton Creek Dr. / St. Thomas Dr.
(40.49066, -105.05590) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
24.5241 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		Stanton Creek Dr. / Tortola Way
(40.48999, -105.05430) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
25.4327 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		Cuerto Ln. / (unknown)
(40.57718, -105.13330) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
26.3067 		Other (At-Grade)
Single-Lane 		2005 Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		Tierra Ln. / Saddle Ridge Condominiums
(40.57545, -105.13140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
28.1217 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		Oval Dr. (Howes St. / Plum St. / Isotope Dr. / East Dr. / Music Dr.)
(40.57639, -105.08070) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
19.0499 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		College Ave. / Laporte Ave.
(40.58899, -105.07720) 		Other
Removed 		Unknown
Unknown 		4 Approaches
0 Driveways
26.3021 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Glen Isle Dr. / Glendale Dr.
(40.43433, -105.11460) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		1995 No splitter islands on side street.