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
Truckee, CA
Nevada Co.
United States 		Hwy 89 / I-80 EB Ramps
(39.32243, -120.20770) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
55.4354 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2005 ICD estimated from Google Maps linework.
Green Bay, WI
Brown Co.
United States 		Airport Dr. (STH 172) / S. Pine Tree Rd.
(44.49955, -88.14986) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.2968 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Calgary, AB
Calgary Region
Canada 		8th St. / Frontenac Ave.
(51.02937, -114.08350) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.5433 		Other (At-Grade)
Single-Lane 		2005 Driveway serving house entering roundabout. ICD estimated from Google Maps linework.
Calgary, AB
Calgary Region
Canada 		Discovery Ridge Blvd. / Discovery Dr.
(51.01179, -114.20000) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.0855 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 Date estimated. ICD estimated from Google Maps linework.
West Roxbury, MA
Suffolk Co.
United States 		W. Roxbury Pkwy. / Grove St.
(42.30330, -71.15137) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
72.4319 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
West Roxbury, MA
Suffolk Co.
United States 		W. Roxbury Pkwy. / Veterans of Foreign Wars Pkwy.
(42.29649, -71.14560) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
67.1393 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
West Roxbury, MA
Suffolk Co.
United States 		W. Roxbury Pkwy. / Centre St.
(42.28730, -71.14774) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
68.9162 		Other (At-Grade)
Unknown 		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
Seattle, WA
King Co.
United States 		34th Ave. SW / SW Elmgrove St.
(47.53009, -122.37530) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Edmonton, AB
Edmonton Capital Region
Canada 		107th Ave. / 142nd St. NW
(53.55102, -113.56580) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
81.5992 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Edmonton, AB
Edmonton Capital Region
Canada 		Connors Rd. NW / 85th St. NW / 83rd St. NW / 90th Ave. NW
(53.52501, -113.45750) 		Rotary
Removed 		Unknown
Unknown 		5 Approaches
0 Driveways
25.5598 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019 Rotary converted to signalized intersection in 2019 to make way for LRT. https://edmontonjournal.com/news/local-news/love-it-or-hate-it-bonnie-doon-traffic-circle-to-be-removed-in-favour-of-four-way-intersection/
Seattle, WA
King Co.
United States 		16th Ave. E. / E. Spring St.
(47.61154, -122.31150) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
8.8568 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		15th Ave. E. / E. Spring St.
(47.61155, -122.31280) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
44.2838 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		16th Ave. E. / E. Marion St.
(47.61037, -122.31150) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
9.6621 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		17th Ave. E. / E. Marion St.
(47.61036, -122.31020) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
6.4414 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Ashworth Ave. N / N 137th St.
(47.72868, -122.33970) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
14.4604 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Wallingford Ave. N / N 137th St.
(47.72868, -122.33690) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
12.8537 		Other (At-Grade)
Single-Lane 		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.
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).
Woburn, MA
Middlesex Co.
United States 		I-95 Ramps / MA 38 (Main St.)
(42.49945, -71.15711) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.8196 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Revere, MA
Suffolk Co.
United States 		Copeland Circle [Rte 60 (Squire Rd.) / US 1 Ramps]
(42.43008, -71.01710) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
381.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		Retrofitted (November 2018) with multi-lane approaches/departures on the Route 1 ramps and roundabout style pavement markings and signs within the circulating roadway. ICD = 1250 ft x 880 ft. 21442
Boston, MA
Suffolk Co.
United States 		Old Colony Ave. / Columbia Rd. / Southampton St.
(42.32935, -71.05222) 		Rotary
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
66.2213 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Boston, MA
Suffolk Co.
United States 		Columbia Rd. / William J. Day Blvd.
(42.32172, -71.05128) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
69.7616 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Boston, MA
Suffolk Co.
United States 		Willard St. / I-93 Ramps / Furnace Brook Expwy.
(42.24208, -71.02673) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
99.0276 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
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/
Kingston, RI
Washington Co.
United States 		Kingstown Rd. / Point Judith Rd.
(41.43422, -71.48238) 		Rotary
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
81.4821 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
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.
Hingham, MA
Plymouth Co.
United States 		Rte. 3A (Summer St.) / Chief Justic Cushing Hwy. / Green St.
(42.24615, -70.88130) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
60.1200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Lakeville, MA
Plymouth Co.
United States 		Rte. 44 / Rte. 28 / Rte. 18
(41.90274, -70.95914) 		Rotary
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
106.6697 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Bourne, MA
Barnstable Co.
United States 		US 6 / Rte. 28 (Main St.)
(41.74607, -70.61805) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
92.6736 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial 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. 24 / CR 94
(40.91591, -72.66968) 		Rotary
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
86.6419 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Riverhead, NY
Suffolk Co.
United States 		Rte. 24 / (unknown)
(40.91524, -72.66606) 		Rotary
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
48.7366 		Other (At-Grade)
Unknown 		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.
Fort Montgomery, NY
Orange Co.
United States 		US 6 / US 9W / Bear Mountain Bridge
(41.32020, -73.99147) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
98.6676 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Bear Mountain, NY
Rockland Co.
United States 		US 6 / Seven Lakes Dr.
(41.30530, -74.03460) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
109.4564 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		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).
Orlando, FL
Orange Co.
United States 		Arbor Park Ln. / Village Oak Ln.
(28.78793, -81.35421) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
32.4483 		Other (At-Grade)
Single-Lane 		Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework.
Orlando, FL
Orange Co.
United States 		Arbor Park Ln. / Colonial Center Pkwy. / Colonial Grand Ln.
(28.79006, -81.35422) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.3075 		Other (At-Grade)
Single-Lane 		Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework.
Orlando, FL
Orange Co.
United States 		Colonial Center Pkwy. / Parking lot access
(28.79184, -81.35422) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
46.0539 		Other (At-Grade)
Single-Lane 		Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework.
Asheville, NC
Buncombe Co.
United States 		College St. / Valley St. / Oak St.
(35.59719, -82.54733) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.1343 		Other (At-Grade)
Single-Lane 		2005 Entrance to downtown. Downtown redevelopment - "road diet". ICD estimated from Google Maps linework.
West Jordan, UT
Salt Lake Co.
United States 		W 8020 S / (parking lots)
(40.60561, -111.93990) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.3888 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States 		Main St. / 7th St.
(39.06731, -108.56104) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.8912 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Maplewood, MN
Ramsey Co.
United States 		Legacy Pkwy / (unknown)
(45.03324, -93.03310) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.0089 		Other (At-Grade)
Single-Lane 		2004 Functional Class: Local ICD estimated from Google Maps linework.
Bridal Falls, BC
Fraser Valley Regional District
Canada 		Hwy 9 / Yale Road East
(49.18523, -121.76500) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2004 Completed October 29, 2004.
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.
Fort Wayne, IN
Allen Co.
United States 		Pontiac St. / Wayne Trace (South) / Adams St. / Pioneer St.
(41.06100, -85.10003) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2003 One of two adjacent roundabouts.
Fort Wayne, IN
Allen Co.
United States 		Pontiac St. / Wayne Trace (North) / Fenker Ave. / Pioneer St.
(41.06183, -85.09948) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2003 One of two adjacent roundabouts.
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.
Port Hawkesbury, NS
Inverness
Canada 		Rte 104 / Rte 105 / Rte 19 / Rte 4
(45.64691, -61.40460) 		Rotary
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
70.9690 		Other (At-Grade)
Unknown 		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.
Lehi, UT
Utah Co.
United States 		Main St. (Hwy 73) / N 500 W (Hwy 197)
(40.38755, -111.85710) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
30.9296 		Other (At-Grade)
Single-Lane 		2003 Railroad approx. 400 feet from roundabout. Traffic is backed up on Main St. at all locations including the RR xing and roundabout - high growth and no other traffic options to and from freeway. ICD estimated from Google Maps linework.
Bellevue, WI
Brown Co.
United States 		US 141 / Allouez Ave.
(44.45882, -87.95038) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.4753 		Other (At-Grade)
Single-Lane 		2007 Railroad is ~110 feet from roundabout. Seasonal summaer crossing and maybe 1 train per day for a short duration. Opened November 2, 2007. 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.
Ottawa, ON
City of Ottawa
Canada 		Prince of Wales Dr. / National Capital Com Driveway
(45.39028, -75.70744) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
40.2598 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Converted old circle. 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.
Kemptville, ON
United Counties of Leeds and Grenville
Canada 		CR 43 / Rideau River Rd.
(45.02990, -75.63668) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0000 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (before 2004). ICD estimated from Google Maps linework.
Orlando, FL
Orange Co.
United States 		N. Westmoreland Dr. / S. Lake Adair Blvd.
(28.55947, -81.39339) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
22.0291 		Other (At-Grade)
Single-Lane 		1998 Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints; skewed Functional Class: Collector? ICD estimated from Google Maps linework.
Conway, AR
Faulkner Co.
United States 		Washington Ave. / Tyler St. / Winfield St.
(35.10256, -92.44462) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.1988 		Other (At-Grade)
Single-Lane 		2005 Functional Class: Arterial ICD estimated from Google Maps linework.
Orlando, FL
Orange Co.
United States 		N. Westmoreland Dr. / N. Lake Adair Blvd.
(28.56104, -81.39342) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.8328 		Other (At-Grade)
Single-Lane 		1999 Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints Functional Class: Collector? ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		31st Ave. E / E. Pike St.
(47.61410, -122.29250) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		32nd Ave. E / E. Pike St.
(47.61408, -122.29140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		33rd Ave. E / E. Pike St.
(47.61405, -122.29030) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
73.2661 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.