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
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.
Los Alamos, NM
Los Alamos Co.
United States 		Diamond Dr. / San Ildefonso Rd.
(35.89893, -106.29866) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.0241 		Other (At-Grade)
Single-Lane 		2008 Redesign of existing traffic circle; previously controlled by 1 stop, 3 yields. Right-turn bypass lanes on west and east legs. Year Completed estimated (2006-2009). 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.
Honolulu, HI
Oahu Co.
United States 		Keeaumoku St. / Heulu St.
(21.30592, -157.83500) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
17.8032 		Other (At-Grade)
Single-Lane 		1999 Urban. ICD estimated from Google Maps linework.
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.
Acoma Indian Reservation, NM
McKinley Co.
United States 		Silver Dollar Rd. / Veterans Blvd.
(35.07119, -107.56000) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
43.0093 		Other (At-Grade)
Single-Lane 		2010 Near Hospital, low ADT, series of 3 roundabouts. ICD estimated from Google Maps linework.
Honolulu, HI
Oahu Co.
United States 		Haloa Dr. / Ala Oli St.
(21.36132, -157.92560) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
22.2456 		Other (At-Grade)
Single-Lane 		2005 Constructed prior to 2006 in Foster Village subdivision. ICD estimated from Google Maps linework.
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.
Carmel, IN
Hamilton Co.
United States 		N. Westfield Blvd. / E. 96th St.
(39.92686, -86.12680) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
55.8692 		Other (At-Grade)
Single-Lane 		2005 Completed December 2005. Fatal crash October 1, 2007: http://www.indystar.com/apps/pbcs.dll/article?AID=/20071003/LOCAL/710030465/-1/LOCAL17. 11861-05. ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		N. Ditch Rd. / W. 96th St.
(39.92681, -86.18403) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
33.8879 		Other (At-Grade)
Single-Lane 		2005 Previously controlled by 4-way stop ICD estimated from Google Maps linework.
(unincorporated), MI
Livingston Co.
United States 		Kensington Rd. / Jacoby Rd.
(42.55436, -83.69828) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2010).
Muskegon, MI
Muskegon Co.
United States 		W. Western Ave. / 3rd St.
(43.23536, -86.25337) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
24.3635 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Kalamazoo, MI
Kalamazoo Co.
United States 		W. Michigan Ave. / Rankin Ave.
(42.28220, -85.61948) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Concentric striping in circulatory roadway. Replaced stop-controlled intersection with one uncontrolled approach.
Huntington, NY
Suffolk Co.
United States 		Clinton Ave. / Gerard St.
(40.87225, -73.42886) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
14.4499 		Other (At-Grade)
Single-Lane 		2002 http://query.nytimes.com/gst/fullpage.html?res=9D04E4DB133DF931A15751C1A9649C8B63 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Mesa Rd. / Kissing Camels Dr.
(38.87808, -104.86580) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.7525 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Greensboro, NC
Guilford Co.
United States 		Greene St. / McGee St.
(36.06852, -79.79192) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.2386 		Other (At-Grade)
Single-Lane 		2006 This is part of a major transformation of Greene Street in Downtown Greensboro. Greene Street is currently 4 lanes one-way and will be converted to 2-way traffic with one lane in each direction and angled parking in the middle of the street separated by a median. Functional Class: Arterial ICD estimated from Google Maps linework.
Gaithersburg, MD
Montgomery Co.
United States 		Kentlands Blvd. / Main St.
(39.12333, -77.23855) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		1994 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States 		Kentlands Blvd. / Market St.
(39.12309, -77.23489) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		1994 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States 		Orchard Ridge Dr. / Mill Green Ave.
(39.12559, -77.22635) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.9872 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 ICD estimated from Google Maps linework.
Gaithersburg, MD
Montgomery Co.
United States 		Winter Walk Dr. / Highland Ridge Ave.
(39.12807, -77.22692) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.2800 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002). Was cul-de-sac prior to addition of two more legs. ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		S. Touchmark Way / E. Louise Dr.
(43.60317, -116.34880) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.4050 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		S. Touchmark Way / S. Worth Way
(43.60206, -116.34610) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.2704 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Pittsfield Township, MI
Washtenaw Co.
United States 		Campus Pkwy. / Suncrest Dr. / (parking)
(42.18764, -83.74729) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2002
Pittsfield Township, MI
Washtenaw Co.
United States 		Campus Pkwy. / Community Dr.
(42.18982, -83.74387) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2002
Meridian Township, MI
Ingham Co.
United States 		Hulett Rd. / Bennett Rd.
(42.69739, -84.44709) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.9884 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Jessup, MD
Anne Arundel Co.
United States 		MD 198 (Laurel Fort Meade Rd.) / MD 32 EB Ramps
(39.08997, -76.75736) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2002 Lanes reduced in 2010. 21442
Jackson, MI
Jackson Co.
United States 		4th St. / West Ave.
(42.22067, -84.41847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3790 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Between 1999 and 2005. ICD estimated from Google Maps linework.
Orion Township, MI
Oakland Co.
United States 		Baldwin Rd. / Indianwood Rd. / Coats Rd.
(42.78413, -83.31979) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.0862 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 ICD estimated from Google Maps linework.
Jessup, MD
Anne Arundel Co.
United States 		MD 198 (Laurel Fort Meade Rd.) / MD 32 WB Ramps
(39.09178, -76.75688) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2002 Lanes reduced in 2010. 21442
Marana, AZ
Pima Co.
United States 		Main St. / Civic Center Dr.
(32.44841, -111.21150) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.2674 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Newport, RI
Newport Co.
United States 		J. T. Connell Hwy. / Admiral Kalbfus Rd.
(41.50703, -71.31757) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2022 Conversion from rotary to roundabout. https://www.newportthisweek.com/articles/rotary-morphing-into-a-roundabout/
Quincy, MA
Norfolk Co.
United States 		Washington St (Rte 3A) / Dee Rd
(42.24553, -70.97224) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
66.3095 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 Rotary update ICD estimated from Google Maps linework.
Riverhead, NY
Suffolk Co.
United States 		Flanders Rd. (Rte. 24) / Peconic Ave. / Lake Ave. / Riverleigh Ave.
(40.91461, -72.66277) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
58.6650 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 Converted from rotary to roundabout in 2018. https://riverheadlocal.com/2018/10/26/its-been-a-long-road-to-a-new-roundabout-in-riverside-but-its-officially-completed/. ICD estimated from Google Maps linework.
Riverhead, NY
Suffolk Co.
United States 		Rte. 58 / Roanoke Ave.
(40.93315, -72.67399) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.7005 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Was single-lane traffic circle. Redesigned, resigned, and restriped in 2009. 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.
Bend, OR
Deschutes Co.
United States 		SW Bond St. / Wilson St.
(44.04616, -121.30970) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.4799 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Single-Lane except one separate right turn lane ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		Clinton Pkwy. / Lake Pointe Dr.
(38.94298, -95.32938) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
31.5831 		Other (At-Grade)
Single-Lane 		2005 Fatal crash March 4, 2007. 11861-05.Functional Class: Arterial. 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.
Yelm, WA
Thurston Co.
United States 		SR 510 / Mud Run Rd. SE
(46.96465, -122.63230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8630 		Other (At-Grade)
Single-Lane 		2010 October 2010. 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.
Oshkosh, WI
Winnebago Co.
United States 		Jackson St. / Murdock Ave.
(44.03947, -88.54265) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2010
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.
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/
Chesterfield Court House, VA
Chesterfield Co.
United States 		Mimms Dr. / Government Center Pkwy.
(37.37778, -77.50466) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.1481 		Other (At-Grade)
Single-Lane 		2003 Right-turn-only lane on north leg. ICD estimated from Google Maps linework.
Hollymead, VA
Albemarle Co.
United States 		Timberwood Blvd. / Conner Blvd.
(38.13065, -78.44083) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.8813 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
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.
Hollymead, VA
Albemarle Co.
United States 		Powell Creek Dr. / Timberwood Pkwy. / Shady Brook Trl.
(38.11509, -78.43404) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.3710 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Winchester, VA
Frederick Co.
United States 		Airport Rd. / Victory Rd.
(39.13417, -78.13571) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
32.4242 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Short Pump, VA
Goochland Co.
United States 		Capitol One Dr. / Tuckahoe Creek Pkwy. access
(37.63382, -77.67312) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
38.7788 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Short Pump, VA
Goochland Co.
United States 		Capitol One Dr. / VA 288 Ramps
(37.63224, -77.67027) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
53.9131 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Linton Hall, VA
Prince William Co.
United States 		Tartan Hills Pkwy (VA 3254) / Broadsword Dr. (VA 3256)
(38.74232, -77.58066) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.9462 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Linton Hall, VA
Prince William Co.
United States 		Braemar Pkwy. (VA 3080) / Iona Sound Dr. (VA 3089)
(38.73510, -77.56889) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
46.5816 		Other (At-Grade)
Single-Lane 		1999 Year Completed estimated (1994-2002). ICD estimated from Google Maps linework.
Amherst, VA
Amherst Co.
United States 		US 60 / US 29
(37.58815, -79.04990) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.2314 		Other (At-Grade)
Single-Lane 		2004 Constructed in 1936, upgraded in 1940 and again in 2004. ICD estimated from Google Maps linework.
Port St. Lucie, FL
St. Lucie Co.
United States 		SE Westmoreland Blvd. / Morningside Blvd.
(27.25997, -80.30961) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.8991 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		SR 206 (Mt. Spokane Park Dr.) / Bruce Rd.
(47.78761, -117.30400) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3076 		Other (At-Grade)
Single-Lane 		2005 http://www.wsdot.wa.gov/Projects/SR206/BruceRoadRoundabout/. Opened December 2005. Previously controlled by 2-way stop control ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		Wellesley Ave. / A St.
(47.70076, -117.45400) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.7401 		Other (At-Grade)
Single-Lane 		2005 Opened October 2005. ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States 		Casa Grande Rd. / Ely Blvd.
(38.24348, -122.59580) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.8924 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		W Riverwood Blvd. / W Kirby Ave.
(33.41608, -112.27480) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.9473 		Other (At-Grade)
Single-Lane 		2002 Painted splitter islands. ICD estimated from Google Maps linework.
Cottonwood, AZ
Yavapai Co.
United States 		AZ 89A / Avenida Centerville
(34.75854, -112.05880) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.0983 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Clarkdale, AZ
Yavapai Co.
United States 		AZ 89A / Cement Plant Rd. / Clarkdale Pkwy.
(34.76220, -112.06416) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Series of 5 roundabouts. Yield-controlled right-turn bypass lane on east leg. Year Completed estimated (2007-2009).
Cottonwood, AZ
Yavapai Co.
United States 		AZ 89A / Groseta Ranch Rd.
(34.74706, -112.04510) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.1235 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Cottonwood, AZ
Yavapai Co.
United States 		AZ 89A / Lisa St. / Lincoln Dr.
(34.75449, -112.05400) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.0444 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Mesa, AZ
Maricopa Co.
United States 		Brown Rd. / Loop 202 SB Ramps
(33.43689, -111.65280) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.8563 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2007 ICD estimated from Google Maps linework.
Mesa, AZ
Maricopa Co.
United States 		Brown Rd. / Loop 202 NB Ramps
(33.43694, -111.64850) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.8396 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2007 ICD estimated from Google Maps linework.
Sedona, AZ
Coconino Co.
United States 		AZ 89A / AZ 179
(34.86597, -111.76370) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.1774 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Functional Class: Arterial ICD estimated from Google Maps linework.
Sedona, AZ
Coconino Co.
United States 		AZ 89A / Brewer Rd.
(34.86599, -111.76500) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.2376 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Functional Class: Arterial ICD estimated from Google Maps linework.
Clarkdale, AZ
Yavapai Co.
United States 		Clarkdale Pkwy. / Mountain Gate Dr.
(34.76500, -112.06276) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2003-2006).
Superior, CO
Boulder Co.
United States 		Rock Creek Pkwy. / 88th St.
(39.93764, -105.14780) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
47.6187 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States 		Jenkins Ranch Rd. / Molas Dr.
(37.28099, -107.85550) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
28.5089 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
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 		Englewood Pkwy. / S. Cherokee St.
(39.65491, -104.99110) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
41.3782 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States 		W. 29th St. / 67th Ave.
(40.38995, -104.78710) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
48.2121 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		E. 13th St. / (unknown) / (parking lot)
(40.40565, -105.03960) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
132.7798 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Sculptor Dr. / (unknown) / (parking lot)
(40.40465, -105.03520) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
59.1152 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Parker, CO
Douglas Co.
United States 		E. Neu Towne Pkwy. / S. Cedar Gulch Ln.
(39.51147, -104.79250) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.0140 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Parker, CO
Douglas Co.
United States 		S. Cedar Gulch Ln. / (unknown)
(39.51289, -104.79120) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
35.9347 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Parker, CO
Douglas Co.
United States 		E. Neu Towne Pkwy. / (unknown)
(39.51047, -104.78530) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.0931 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Commerce City, CO
Adams Co.
United States 		Turnberry Pkwy. / Revere St.
(39.89062, -104.83800) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Commerce City, CO
Adams Co.
United States 		E 105th Ave. / Uvalda St.
(39.88673, -104.83520) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (2002-2003).
Commerce City, CO
Adams Co.
United States 		Wheeling St. / E 106th Ave. / Victor St.
(39.88895, -104.83121) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2003 Painted splitter islands.
Middletown, DE
New Castle Co.
United States 		Bunker Hill Rd. / Choptank Rd.
(39.45790, -75.74350) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
31.3525 		Other (At-Grade)
Single-Lane 		2007 Rural, redesigned in 2008 to better accommodate trucks and farm equipment. ICD estimated from Google Maps linework.
Quakertown, PA
Bucks Co.
United States 		Station Rd. / Old Bethlehem Pike
(40.42421, -75.33921) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.0036 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Rocky Mountain Ave. / Medical Center of the Rockies South
(40.41537, -105.00150) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
40.0100 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Functional Class: Arterial ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Rocky Mountain Ave. / Medical Center of the Rockies North
(40.41752, -105.00030) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
47.2831 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Functional Class: Arterial ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Rocky Mountain Ave. / Kendall Pkwy. / Artisan Dr.
(40.42604, -105.00249) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
51.8230 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 ICD estimated from Google Maps linework.
Anchorage, AK
Anchorage
United States 		Elmore Rd. / E 135th Ave. / South Anchorage High School
(61.09869, -149.80410) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.3650 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Promenade Dr. / Somerset Cir.
(38.64501, -121.73150) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7154 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Campos Ave. / Mack Way / Shoemaker Ct.
(38.64920, -121.73140) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1843 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Campos Ave. / Ortiz Ave.
(38.65290, -121.73120) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.7792 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Knoxville, TN
Knox Co.
United States 		Concord Rd. / Northshore Dr.
(35.86081, -84.14137) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.9098 		Other (At-Grade)
Single-Lane 		2008 http://www.knoxnews.com/news/2008/feb/20/countys-first-roundabout-opened-concord-northshore/ ICD estimated from Google Maps linework.