Roundabouts Database

29483 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
Waco, TX
McLennan Co.
United States 		Prickley Pear Dr. / Pedernales Dr.
(31.61281, -97.20666) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5274 		Other (At-Grade)
Single-Lane 		2007 Constructed with two legs and stubbed third leg.
Petaluma, CA
Sonoma Co.
United States 		Petaluma Blvd. S / Caulfield Ln.
(38.22730, -122.61820) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.3434 		Other (At-Grade)
Single-Lane 		2011 Construction began spring 2011. Functional Class: Arterial ICD estimated from Google Maps linework.
Jämjö, Blekinge County
Karlskrona kommun
Sweden 		E22 (Västra Riksvägen) / Kvarnlyckevägen
(56.19204, 15.83579) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2011 Construction in 2010 and finished in 2011. Previous control included a signalized crosswalk across one leg of major road. This was removed in 2010.
Bountiful, UT
Davis Co.
United States 		Main St. / 1500 South / 200 West
(40.87477, -111.88570) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
27.9955 		Other (At-Grade)
Single-Lane 		2008 Construction is concrete. Functional Class: Collector ICD estimated from Google Maps linework.
Varberg, Halland County
Varberg
Sweden 		Rte 153 (Värnamovägen) / Holmagärdegatan
(57.12562, 12.30381) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7190 		Other (At-Grade)
Single-Lane 		2021 Construction of crossroad stared in 2019. Roundabout operational in 2021 with three approaches and possibly in 2020 as well. Fourth approach 'built' but not yet opened to traffic in 2021.
Varberg, Halland County
Varberg
Sweden 		Värnamovägen / Kamremsgatan
(57.12255, 12.26719) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
2 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2017 Construction of one approach finished in 2018.
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.
Varberg, Halland County
Varberg
Sweden 		Rte 41 / Rte 153
(57.12336, 12.26199) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Construction year is approximate but before 2008.
Weymouth, MA
Norfolk Co.
United States 		North St / East St / Norton St
(42.23165, -70.94496) 		Traffic Calming Circle
Existing 		Other
None 		4 Approaches
1 Driveways
25.6453 		Other (At-Grade)
Single-Lane 		Control Type is Mixed: Yield on circular road, stop on East St approach, yield on North St SB approach ICD estimated from Google Maps linework.
Worcester, MA
Worcester Co.
United States 		Highland St / June St / Pleasant St / Newton Ave
(42.26980, -71.82529) 		Traffic Calming Circle
Existing 		Other
Unknown 		5 Approaches
0 Driveways
31.8163 		Other (At-Grade)
Single-Lane 		Control type: 2 way stop, 3 way yield. remarkable: stop bar June St on circular roadway, after CW. Geometry is wide enough for two lanes although 4 out of 5 exits are single lane. Crosswalks present. New pavement markings crosswalk in approx. 2015. Residential contexts. Traffic Circle next to large neighborhood park. Two bus lines with bus 5 bus stops within 100 ft of the traffic circle. ICD estimated from Google Maps linework.
Worcester, MA
Worcester Co.
United States 		Lovell St / Marywood St / Englewood Ave / Ferdinand St
(42.25439, -71.83255) 		Traffic Calming Circle
Existing 		Other
None 		5 Approaches
0 Driveways
24.7521 		Other (At-Grade)
Single-Lane 		Control Type: 2 yield Lovell St; Other 3 approaches stop controlled. Some pavement markings to define circular roadway (arrows, dotted lines) and create 'splitter islands' on the approaches from Englewood Ave, Ferdinand St; Lovell NB. Crosswalks present. Residential area; local shop and laundromat at the roundabout. ICD estimated from Google Maps linework.
East Boston, MA
Suffolk Co.
United States 		Saratoga St / Boardman St / Ford St
(42.38701, -71.00805) 		Traffic Calming Circle
Existing 		Other
None 		4 Approaches
0 Driveways
25.5821 		Other (At-Grade)
Single-Lane 		control type: Ford St and Boardman St all-way stop On-street parking on both sides. ICD estimated from Google Maps linework.
Union Hill, MA
Worcester Co.
United States 		Grafton St (Rte 122) / Hamilton St / Orient St
(42.25577, -71.78528) 		Traffic Calming Circle
Existing 		Other
None 		4 Approaches
2 Driveways
24.7515 		Other (At-Grade)
Single-Lane 		Control Type: Grafton EB free flow, Grafton WB and Hamilton yield controlled, Orient St is stop controlled. Grafton St is Major road in terms of control type. On-street parking on the circular roadway. Wide lanes, limited pavement markings. Crosswalks present. Downtown and residential context. ICD estimated from Google Maps linework.
Fitchburg, MA
Worcester Co.
United States 		River St (Rte 2A, 31) / Kimball St (Rte 12) / Daniels St
(42.58252, -71.81891) 		Traffic Calming Circle
Existing 		Other
Unknown 		4 Approaches
2 Driveways
32.5374 		Other (At-Grade)
Single-Lane 		Control Type; All way Yield, except for Daniel St. A crosswalk over River St is missing. River St WB has a large median, no crosswalk utilizing it. Industrial mixed-use context. ICD estimated from Google Maps linework.
Cambridge, MA
Middlesex Co.
United States 		Memorial Dr (Rte 3) / Brookline St / BU Bridge (Rte 2)
(42.35424, -71.11081) 		Rotary
Existing 		Other
None 		4 Approaches
0 Driveways
84.7297 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		Control Types: Signals on BU Bridge approach and exit, other approaches yield sign. 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/
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.
Columbia, MD
Howard Co.
United States 		Charter Dr. / (parking)
(39.21273, -76.88310) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2013 Converted from cul-de-sac. Year Completed estimated (2011-2014).
Allwood, NJ
Passaic Co.
United States 		Allwood Rd. / Bloomfield Ave.
(40.84302, -74.15957) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
46.0792 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Converted from non-circular rotary. ICD estimated from Google Maps linework.
Augusta, ME
Kennebec Co.
United States 		Cony Circle (Rte. 9 / Rte. 100 / Rte. 17 / Rte. 105)
(44.31622, -69.76796) 		Roundabout
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
55.5448 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Converted from old traffic circle to roundabout. Previously controlled by circle ICD estimated from Google Maps linework.
Shelter Island, NY
Suffolk Co.
United States 		Rte 114 / Bateman Rd. / School St.
(41.06829, -72.33887) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.8096 		Other (At-Grade)
Single-Lane 		2010 Converted from old traffic circle. ICD estimated from Google Maps linework.
Yesilyurt, Malatya

Turkey 		Malatya Komur Tevzi Roundabout
(38.35323, 38.29684) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.5000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 Converted from older circle.
Reno, NV
Washoe Co.
United States 		Raggio Pkwy. / (unknown)
(39.57033, -119.79414) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
73.1520 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Converted from older rotary in 2010-2011 with striping to remove concentric circulatory roadway striping.
Londontowne, MD
Anne Arundel Co.
United States 		Millhaven Dr. / Two Rivers Dr. / Tilden Way
(38.93715, -76.56159) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2006 Converted from open intersection. Year Completed estimated (2005-2006).
Farmingdale, NJ
Monmouth Co.
United States 		NJ-34 / NJ-35 / CR-547
(40.21926, -74.12851) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
100.3161 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Converted from rotary (signing/striping only; no geometric changes) in 2006-2007. 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.
East Aurora, NY
Erie Co.
United States 		Rte 20A / Rte 78
(42.76773, -78.62917) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2009 Converted from rotary.
Mount Pleasant, SC
Charleston Co.
United States 		Park West Blvd. / Grey Marsh Rd.
(32.89115, -79.79406) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.1038 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Converted from rotary. Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Rochester, NY
Monroe Co.
United States 		E River Rd. / Murlin Dr. / Kendrick Rd.
(43.11413, -77.63435) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.2334 		Other (At-Grade)
Single-Lane 		2013 Converted from three-way intersection into four-way intersection. ICD estimated from Google Maps linework.
St Louis, MO
St. Louis City Co.
United States 		McKinley Dr. / Wells Dr.
(38.63354, -90.28072) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.4467 		Other (At-Grade)
Single-Lane 		2008 Converted from traffic circle in 2007-2008. Previous circle had on-street parking in circulatory roadway. ICD estimated from Google Maps linework.
Laurel, MS
Jones Co.
United States 		Central Ave. / N 5th Ave.
(31.69251, -89.13109) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 Converted from traffic circle with all-way stop control by adding small raised splitter islands and converting to yield on entry. Year Completed estimated (2019-2022).
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.
Jacksonville, FL
Duval Co.
United States 		Spring Glen Rd. / Spring Park Rd. / Englewood Ave.
(30.28219, -81.61938) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2007 Converted old traffic circle that had pedestrian access to central island.
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.
Wantagh, NY
Nassau Co.
United States 		Ocean Pkwy. / Jones Beach Causeway
(40.59647, -73.50811) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
106.1035 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Converted rotary. ICD estimated from Google Maps linework.
Kansas City, MO
Platte Co.
United States 		N Ambassador Dr. / NW Tiffany Springs Pkwy.
(39.27269, -94.66401) 		Rotary
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
101.7038 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Converted rotary. ICD estimated from Google Maps linework.
Trois-Rivières, QC
Trois-Rivieres
Canada 		Boulevard Laviolette / Boulevard des Récollets
(46.36018, -72.56988) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
80.7749 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2005 Converted rotary. Initial conversion estimated (2003-2007). Striping refinements 2013-2016. ICD estimated from Google Maps linework.
Jamaica Plain, MA
Suffolk Co.
United States 		Heath Square Rotary (Heath St. / New Heath St. / Hensley St. / Parker St.)
(42.32630, -71.10037) 		Rotary
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
33.5538 		Other (At-Grade)
Single-Lane 		2004 Converted to circular rotary from triangular intersection in 2004. ICD estimated from Google Maps linework.
New Oxford, PA
Adams Co.
United States 		Center Square (Lincoln Way / Hanover St. / Carlilse St.)
(39.86388, -77.05586) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
73.3384 		Other (At-Grade)
Single-Lane 		Converted town square: pedestrian access to central island; parking around circle. ICD estimated from Google Maps linework.
Brayton, IA
Cass Co.
United States 		710th St. / 350th St.
(41.50440, -94.83505) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Cottonwood tree in center of intersection. On Audubon County-Cass County Line. https://www.roadsideamerica.com/tip/8830
Carthage, NC
Moore Co.
United States 		Courthouse Square (McReynolds St. / Down Rd. / Martin St.)
(35.34581, -79.41710) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
61.3736 		Other (At-Grade)
Single-Lane 		Courthouse in center island. ICD estimated from Google Maps linework.
Monticello, FL
Jefferson Co.
United States 		10 Court House Circle
(30.54514, -83.87016) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
63.7726 		Other (At-Grade)
Single-Lane 		1910 Courthouse in central island with pedestrian access. ICD estimated from Google Maps linework.
Whiteville, NC
Columbus Co.
United States 		Washington St. / Jefferson St. / Madison St. / Pinckney St.
(34.33876, -78.70360) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
63.1153 		Other (At-Grade)
Single-Lane 		Courthouse in central island. ICD = 200 ft. ICD estimated from Google Maps linework.
Oxford, MS
Lafayette Co.
United States 		S Lamar Blvd. / Van Buren Ave. / E Jackson Ave.
(34.36641, -89.51870) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		1900 Courthouse with pedestrian access and parking around central island. Year Completed estimated.
Clackamas, OR
Clackamas Co.
United States 		SE 172nd Ave. / SE Creekwood Rd.
(45.41880, -122.48550) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.5928 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Creekwood Rd. is new roadway; SE 172nd Avenue is existing. ICD estimated from Google Maps linework.
Mechanicsville, VA
Hanover Co.
United States 		Battalion Dr. / Brigadier Rd.
(37.64610, -77.34683) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4244 		Other (At-Grade)
Single-Lane 		2003 Crosswalk ends in driveway. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Buffalo, MN
Wright Co.
United States 		Pulaski Rd. / 16th St. NE
(45.19438, -93.84424) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2002 Crosswalk on east leg passes within circulatory roadway.
Olean, NY
Cattaraugus Co.
United States 		N Union St. / Wayne St. / (parking lot)
(42.08521, -78.42995) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
24.8183 		Other (At-Grade)
Single-Lane 		2015 Crosswalk on east parking lot leg passes over painted splitter island in front of yield position. ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		W City Center Dr. / N Pennsylvania St. / (hotel parking)
(39.96483, -86.15517) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
35.6998 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 Crosswalk on hotel parking leg is at entrance line. ICD estimated from Google Maps linework.
Olean, NY
Cattaraugus Co.
United States 		N Union St. / Olean Center Mall parking lot
(42.08303, -78.42993) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
24.8192 		Other (At-Grade)
Single-Lane 		2015 Crosswalks on side street pass across painted splitter island in front of yield line. ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Westhills Dr. / Morningstar Dr. / St. Basil Cir.
(38.76151, -121.35340) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.5951 		Other (At-Grade)
Single-Lane 		2001 Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Park Regency Dr. / Hiawatha Dr. / Sharifa Way / Bottlebrush Cir.
(38.76105, -121.34870) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.2518 		Other (At-Grade)
Single-Lane 		2001 Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Park Regency Dr. / Castlebridge Dr. / Hillingdon St.
(38.75455, -121.34680) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.5983 		Other (At-Grade)
Single-Lane 		2001 Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
Saint Charles, MD
Charles Co.
United States 		Devongate St. / Malvern St. / Promenade Pl.
(38.61057, -76.93790) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2009 Crosswalks adjacent to circulatory roadway. Year Completed estimated (2008-2009).
Shasta Lake, CA
Shasta Co.
United States 		Smith Ave. / Jorsack Way / Rosstay Way
(40.66503, -122.36168) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006 Crosswalks are at unmarked entrance lines.
Waikoloa, HI
Hawaii Co.
United States 		Mauna Lani Dr. / Kaniku Dr.
(19.93999, -155.85740) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
100.5840 		Other (At-Grade)
Single-Lane 		Crosswalks are much further away from the circle than at typical roundabout.
Greenbelt, MD
Prince George's Co.
United States 		Greenbelt Station Pkwy. / Stream Bank Ln.
(39.00060, -76.91754) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2014 Crosswalks at yield line on all leg. Year Completed estimated (2013-2014). West leg opened 2016.
Bryan, TX
Brazos Co.
United States 		N Main St. / 23rd St.
(30.67649, -96.37298) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2018 Crosswalks at yield line.
North Salt Lake, UT
Davis Co.
United States 		Orchard Dr. / E Eaglegate Dr.
(40.83459, -111.91224) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2011 Crosswalks next to circulatory roadway. Year Completed estimated (2010-2011).
Hyannis, MA
Barnstable Co.
United States 		Bearses Way / Basset Lane
(41.65436, -70.29148) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8786 		Other (At-Grade)
Single-Lane 		2009 crosswalks on all approaches ICD estimated from Google Maps linework.
Worcester, MA
Worcester Co.
United States 		Lake Ave. / S Rd.
(42.27715, -71.75925) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
38.8821 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 Crosswalks on all approaches. Year Completed estimated (2010-2014). ICD estimated from Google Maps linework.
(unincorporated), GA
Forsyth Co.
United States 		Milton Dr. / Marlow Dr.
(34.13611, -84.12722) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.7711 		Other (At-Grade)
Single-Lane 		2004 Crosswalks on two legs. Functional Class: Local ICD estimated from Google Maps linework.
Gardner, MA
Worcester Co.
United States 		Timpany Blvd (Rte 68) / Rte 2
(42.56665, -71.99296) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
140.7379 		Freeway Ramps (Grade-Separated)
Single-Lane 		Crosswalks present ICD estimated from Google Maps linework.
Carignan, QC
La Vallée-du-Richelieu Regional County Municipality
Canada 		Rue Olivier-Morel / Rue Martel / Rue Jean-De Ronceray / Rue Chevalier-de-Chaumont
(45.46723, -73.29440) 		Other
Existing 		All-Way Yield
Other 		4 Approaches
0 Driveways
41.8801 		Other (At-Grade)
Single-Lane 		Crosswalks to center island; bus stop on circle. ICD estimated from Google Maps linework.
Berkeley, CA
Alameda Co.
United States 		Piedmont Ave. / Channing Way
(37.86780, -122.25188) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Crosswalks within circulatory roadway.
Bellingham, WA
Whatcom Co.
United States 		Cordata Pkwy. / Horton Rd.
(48.80595, -122.49677) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.0896 		Other (At-Grade)
Single-Lane 		2019 Curb returns are further back from ICD than leading ends of splitter islands.
Roswell, GA
Fulton Co.
United States 		Hardscrabble Rd. / Chaffin Rd.
(34.06920, -84.37389) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2018 Currently striped as single-lane movement from east to west but designed for expansion to two lanes.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / Olympic Blvd.
(47.22188, -122.55790) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1454 		Other (At-Grade)
Single-Lane 		1997 Curtis High School and Curtis Junior High School on NE corner of roundabout. Opened August 1997. Functional Class: Arterial ICD estimated from Google Maps linework.
Boynton Beach, FL
Palm Beach Co.
United States 		Hagen Ranch Rd. / Gateway Blvd. / Aberdeen Lakes Rd.
(26.54660, -80.16390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.5051 		Other (At-Grade)
Single-Lane 		2000 Date estimated. ICD estimated from Google Maps linework.
Boynton Beach, FL
Palm Beach Co.
United States 		Hagen Ranch Rd. / Le Chalet Blvd.
(26.55650, -80.15710) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.2298 		Other (At-Grade)
Single-Lane 		2000 Date estimated. ICD estimated from Google Maps linework.
Denali National Park, AK
Denali National Park
United States 		Denali National Park
(63.73358, -148.91550) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.3554 		Other (At-Grade)
Single-Lane 		2002 Date estimated. ICD estimated from Google Maps linework.
Lindon, UT
Utah Co.
United States 		400 South / 600 West (Lindon Park Circle)
(40.33034, -111.73140) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
33.6873 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 Date estimated. 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.
St. George, UT
Washington Co.
United States 		Washington Pkwy. / (unknown)
(37.14462, -113.48590) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9290 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2005 Date estimated. ICD estimated from Google Maps linework.
Madison, WI
Dane Co.
United States 		Star Dr. / Apollo Way
(43.08892, -89.27760) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.1663 		Other (At-Grade)
Single-Lane 		2003 Date estimated. ICD estimated from Google Maps linework.
Madison, WI
Dane Co.
United States 		Star Dr. / Dominion Dr.
(43.09153, -89.27502) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.1652 		Other (At-Grade)
Single-Lane 		2006 Date estimated. ICD estimated from Google Maps linework.
Madison, WI
Dane Co.
United States 		McLean Dr. / Sharpsburg Dr.
(43.08695, -89.27359) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.1672 		Other (At-Grade)
Single-Lane 		2003 Date estimated. ICD estimated from Google Maps linework.
Shawnee, KS
Johnson Co.
United States 		Woodsonia Dr. / Clear Creek Pkwy.
(39.02142, -94.84924) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
32.4760 		Other (At-Grade)
Single-Lane 		2004 Date estimated. ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Valley Oak Dr. / Clearwater Dr.
(40.44328, -105.02180) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.5398 		Other (At-Grade)
Single-Lane 		2000 Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		Rigden Pkwy. / Custer Dr.
(40.54863, -105.02960) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.9307 		Other (At-Grade)
Single-Lane 		2001 Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
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.
Lakeland, MO
Miller Co.
United States 		US 54 Business / N Shore Dr.
(38.21423, -92.62436) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
15.0142 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2014 date from streetview (Jan '14 - no roundabout; Sept '14 - roundabout) ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		S Main St. / SW Depot Ave.
(29.64457, -82.32501) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.5201 		Other (At-Grade)
Single-Lane 		2015 date from Streetview ICD estimated from Google Maps linework.
Marysville, WA
Snohomish Co.
United States 		Marine Dr. NE / 64th St. NE / 31st Ave. NE
(48.05407, -122.18921) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
36.7229 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 Date from Streetview ICD estimated from Google Maps linework.
Lehigh Acres, FL
Lee Co.
United States 		Sunshine Blvd. S / 23rd St. SW
(26.59205, -81.67879) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.4957 		Other (At-Grade)
Single-Lane 		2009 Date: http://lehighacrescitizen.com/page/content.detail/id/506096/Mann-likes-Lehigh-s-new--roundabout--at-Sunshine-and-23rd-St-.html?nav=5100 ICD estimated from Google Maps linework.
Jacksonville, AR
Pulaski Co.
United States 		W Main St. / Harris Rd. / Jacksonville Cutoff Rd.
(34.87108, -92.15646) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.0542 		Other (At-Grade)
Single-Lane 		2014 date: http://www.cityofjacksonville.net/Archive/ViewFile/Item/113 (warning: large pdf) ICD estimated from Google Maps linework.
Page, AZ
Coconino Co.
United States 		US 89 / Haul Rd.
(36.90502, -111.48415) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.0765 		Other (At-Grade)
Single-Lane 		2015 date: http://www.northernarizonagazette.com/author/gcd/page/240/ ICD estimated from Google Maps linework.
(unincorporated), AB
Red Deer
Canada 		Leva Ave. / Waskasoo Ave.
(52.21727, -113.81640) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
41.7085 		Other (At-Grade)
Unknown 		2018 date: http://www.transportation.alberta.ca/6199.htm ICD estimated from Google Maps linework.
Caldwell, ID
Canyon Co.
United States 		E Ustick Rd. / Indiana Ave.
(43.63363, -116.67304) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.3055 		Other (At-Grade)
Single-Lane 		2013 date: https://caldwellguardian.blogspot.com/2013/08/new-roundabout-at-ustick-and-indiana.html ICD estimated from Google Maps linework.
Aptos, CA
Santa Cruz Co.
United States 		Aptos Beach Dr. / Esplanade / Beach Dr. / Rio Del Mar Blvd. / Venetian Rd.
(36.96915, -121.90525) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
20.9928 		Other (At-Grade)
Single-Lane 		2015 date: https://localwiki.org/santacruz/Roundabout ICD estimated from Google Maps linework.
Cumming, GA
Forsyth Co.
United States 		Hopewell Rd. / Jot em Down Rd. / AC Smith Rd.
(34.32378, -84.07322) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.6998 		Other (At-Grade)
Single-Lane 		2011 date: https://patch.com/georgia/cumming/forsyth-county-opens-new-roundabout ICD estimated from Google Maps linework.
South Bend, IN
St. Joseph Co.
United States 		S Olive St. / W Sample St.
(41.66432, -86.28265) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.5035 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 date: https://southbendin.gov/2017/07/26/buttigieg-to-open-new-roundabout-at-olive-sample-st/ ICD estimated from Google Maps linework.
Cordes Junction, AZ
Yavapai Co.
United States 		Cordes Lakes Rd. / I-17 NB Off-ramp
(34.32691, -112.11991) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.4800 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 date: https://www.azdot.gov/mobile/media/news/2013/07/24/modernized-cordes-junction-traffic-interchange-aids-local-regional-travel ICD estimated from Google Maps linework.
Cordes Junction, AZ
Yavapai Co.
United States 		E Cordes Lakes Rd. / E Arcosanti Rd. / AZ 69 NB On-ramp
(34.33270, -112.12483) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
43.3949 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 date: https://www.azdot.gov/mobile/media/news/2013/07/24/modernized-cordes-junction-traffic-interchange-aids-local-regional-travel ICD estimated from Google Maps linework.
Montrose, CO
Montrose Co.
United States 		S Hillcrest Dr. / Sunnyside Rd.
(38.47450, -107.85663) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
15.8954 		Other (At-Grade)
Single-Lane 		2016 date: https://www.cityofmontrose.org/CivicAlerts.aspx?AID=1235 ICD estimated from Google Maps linework.
Union Township, OH
Clermont Co.
United States 		Eastgate South Dr. / Clepper Ln. / (shopping center parking)
(39.09512, -84.27214) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
50.9805 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 date: https://www.clermontsun.com/2016/04/28/eastgate-roundabout-is-now-open/ ICD estimated from Google Maps linework.
Golden Valley, MN
Hennepin Co.
United States 		Douglas Dr. / Sandburg Rd.
(45.00356, -93.36021) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.5563 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 date: https://www.hennepin.us/douglasdrive plus streetview ICD estimated from Google Maps linework.
Sugar Grove, IL
Kane Co.
United States 		Dugan Rd. / Granart Rd. / Bucktail Ln.
(41.76143, -88.48939) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
36.5260 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 date: https://www.kcchronicle.com/2015/08/18/sugar-grove-roundabout-opens/a5jsq7l/ Granart Rd. moved about 300 ft south to align with Bucktail Ln. ICD estimated from Google Maps linework.