13020 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
Franklin, VA
Southampton Co.
United States
Old Bridge Rd. / US 58 EB Ramps
(36.69339, -77.04150)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.5760
Freeway Ramps (Grade-Separated)
Single-Lane
2018 https://www.virginiadot.org/newsroom/hampton_roads/2018/major_milestone_met_months129525.asp
Rue, VA
Accomack Co.
United States
Ocean View Way / Crippen View
(37.75837, -75.57634)
Other
Existing
Uncontrolled
None
4 Approaches
0 Driveways
32.0040
Other (At-Grade)
Single-Lane
2007
Winooski, VT
Chittenden Co.
United States
Main St. / W Center St. / E Allen St. / Winooski Falls Way
(44.49068, -73.18606)
Other
Existing
All-Way Yield
Unknown
5 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane)
2005 Oval shape. Pedestrian access to center island. https://www.burlingtonfreepress.com/story/life/2017/02/27/experts-debate-merits-winooski-traffic-circle/98062264/
Carmel, IN
Hamilton Co.
United States
E 96th St. / Haverstick Rd.
(39.92692, -86.11748)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane)
2020 http://carmellink.com/project.php?title=96th%20Street%20and%20Haverstick%20Road%20Roundabout http://carmellink.com/images/projects/96th-St-and-Keystone-Pkwy-Exhibit.2017.01.jpg Scheduled for completion by July 4 2020.
Boardman, OR
Morrow Co.
United States
Internet Pkwy. / (unknown)
(45.85677, -119.63020)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
83.8200
Other (At-Grade)
Single-Lane
2014 Year Completed estimated (2013-2015).
Ferguson, PA
Centre Co.
United States
Havershire Blvd. / Prestwick Blvd.
(40.78873, -77.89571)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2013 Year Completed estimated (2012-2015).
Bemidji, MN
Beltrami Co.
United States
Irvine Ave NW / US 71 NB Ramps
(47.54234, -94.88501)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2019 https://www.dot.state.mn.us/d2/projects/2019/hwy71-bemidji/index.html
Bentonville, AR
Benton Co.
United States
NE J St. / Museum Way / John Deshields Blvd.
(36.37822, -94.19655)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2019 https://www.dot.state.mn.us/d2/projects/2019/hwy71-bemidji/index.html
Kenora, ON
Kenora
Canada
Park St. / 1st St. S / Fifth Ave. S
(49.76642, -94.48513)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
42.0000
Other (At-Grade)
Single-Lane
2019 https://www.facebook.com/CityofKenora/posts/kenoras-second-roundabout-is-open-give-it-a-try-go-from-second-street-to-park-st/2308348529214570/
Bend, OR
Deschutes Co.
United States
Brosterhous Rd. / Murphy Rd.
(44.01894, -121.29385)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2020 Fourth leg stubbed.
Marquette, MI
Marquette Co.
United States
US 41 / CR HQ
(46.54939, -87.46102)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane)
2019 Year Completed estimated (2019-2020).
Hawthorn Woods, IL
Lake Co.
United States
W Schwerman Rd. / Tournament Dr.
(42.24819, -88.07133)
Other
Existing
All-Way Stop
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
South Dixie, FL
Broward Co.
United States
(unnamed)
(26.21489, -80.13347)
Other
Existing
All-Way Stop
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Deerfield Beach, FL
Broward Co.
United States
Cypress Lake Blvd. / Cypress Ln. / Cypress Park Way
(26.28927, -80.13446)
Other
Existing
All-Way Stop
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Deerfield Beach, FL
Broward Co.
United States
Grantham Cir.
(26.30864, -80.13418)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Somerville, MA
Middlesex Co.
United States
Powder House Square (Powder House Blvd. / Broadway / College Ave. / Werner St.)
(42.40114, -71.11677)
Signalized Roundabout/Circle
Existing
All-Way Stop
None
6 Approaches
0 Driveways
70.1040
Other (At-Grade)
Multilane (2 Lane)
Center Island accessible for peds (including street furniture on the center island).
Everett, MA
Middlesex Co.
United States
Revere Beach Pkwy. (Rte 16) / Mystic View Rd. / Santilli Hwy
(42.40238, -71.06892)
Signalized Roundabout/Circle
Existing
Signal
None
5 Approaches
0 Driveways
155.4480
Other (At-Grade)
Multilane (3+ Lane)
Revere Beach Pkwy extends through the rotary. ICD 560 ft x 460 ft.
Medford, MA
Middlesex Co.
United States
Winthrop St. / High St. / Rural Ave.
(42.42129, -71.11800)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
32.0040
Other (At-Grade)
Single-Lane
2019 Painted splitter islands. Right-turn-only lanes on southwest and south legs. Converted from traffic circle in 2018-2019.
Kings Point, FL
Palm Beach Co.
United States
Andalucia Ln.
(26.43411, -80.18069)
Neighborhood Traffic Circle
Existing
Uncontrolled
Unknown
2 Approaches
2 Driveways
0.0000
Other (At-Grade)
Single-Lane
Menominee Falls, WI
Waukesha Co.
United States
Megal Ct. / (unknown)
(43.18504, -88.10064)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2015 Fourth leg stubbed. Year Completed estimated (2015-2016).
Nicollet, MN
Nicollet Co.
United States
461st Ave. / US 14 WB Ramps
(44.26645, -94.19045)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2017 Year Completed estimated (2016-2018).
Nicollet, MN
Nicollet Co.
United States
461st Ave. / US 14 EB Ramps
(44.26470, -94.19047)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2017 Teardrop shape. Year Completed estimated (2016-2018).
New Ulm, MN
Brown Co.
United States
US 14 / Front St. Connector
(44.32395, -94.45755)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2018 Year Completed estimated (2015-2020). Replaced ramps of PARCLO AB interchange. https://www.isginc.com/portfolio/us-highway-14-roundabout
Saint-Anselme, QC
Bellechasse Regional County Municipality
Canada
Chemin Saint-Jacques / Chemin Sainte-Anne
(46.62899, -70.98278)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.0000
Other (At-Grade)
Single-Lane
2017 Year Completed estimated (2016-2017).
West Jordan, UT
Salt Lake Co.
United States
W 7800 S / New Sycamore Dr.
(40.60940, -112.05842)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2019 Yield-controlled right-turn bypass lane on east leg. Fourth leg stubbed. Year Completed estimated (2018-2019).
Brighton City, UT
Salt Lake Co.
United States
Big Cottonwood Canyon Rd. / Brighton Loop
(40.60362, -111.58264)
Other
Existing
All-Way Yield
None
2 Approaches
0 Driveways
27.4317
Other (At-Grade)
Single-Lane
2018 Entry roundabout to ski resort at end of County Road. No splitter islands on two-way leg or geometric deflection of two entries. Road splits into one-way couplet; circle facilitates U-turns.
Summit Park, UT
Summit Co.
United States
Gorgoza Pines Rd. / (parking)
(40.75044, -111.57153)
Other
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0520
Other (At-Grade)
Single-Lane
2003 No splitter islands. Year Completed estimated (2002-2004).
South Snyderville Basin, UT
Summit Co.
United States
Canyons Resort Dr. / Frostwood Dr.
(40.68753, -111.54847)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2014 Right-turn add-lane bypass lane on southeast leg. Year Completed estimated (2013-2015).
Provo, UT
Utah Co.
United States
E Campus Dr. / E 1100 N
(40.24846, -111.64583)
Other
Existing
All-Way Yield
None
2 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2014 Parking along circulatory roadway. Year Completed estimated (2013-2015).
Provoo, UT
Utah Co.
United States
N Campus Dr. / (parking)
(40.25235, -111.64932)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0520
Other (At-Grade)
Single-Lane
2015 On college campus of Brigham Young University.
Salt Lake City, UT
Salt Lake Co.
United States
Campus Center Dr. / (parking)
(40.76148, -111.84247)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
25.9080
Other (At-Grade)
Single-Lane
2018 On college campus of University of Utah. Year Completed estimated (2017-2018).
Central City, AZ
Maricopa Co.
United States
E Madison St. / (parking)
(33.44625, -111.98911)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2011 Accommodates WB-67 truck deliveries to the Phoenix Sky Train terminal. Part of Phoenix Sky Harbor off-site parking facility. Year Completed estimated (2011-2012).
Mesa, AZ
Maricopa Co.
United States
Bass Pro Dr. / W Brown Rd.
(33.43621, -111.86050)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2007 City of Mesa Bus Route turnaround and accommodates WB-67 Truck deliveries for a Super WalMart.
Sierra Vista, AZ
Cochise Co.
United States
E Golden Acres Dr. / Canyon de Flores
(31.50212, -110.25097)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
60.9600
Other (At-Grade)
Multilane (2 Lane)
2014 ADOT truck turnaround. Year Completed estimated (2013-2015).
Ak-Chin Village, AZ
Pinal Co.
United States
N Ban Ln. / (unknown)
(33.02543, -112.04956)
Roundabout
Existing
All-Way Yield
None
4 Approaches
1 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane)
2018 Yield-controlled right-turn bypass lane on south leg. First of several planned roundabouts on the Ak-Chin Indian Community casino expansion.
Peoria, AZ
Maricopa Co.
United States
83rd Ave. / W Cinnabar Ave.
(33.57554, -112.23763)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2007 City of Peoria's first roundabout and serves their municipal center including police station. Year Completed estimated (2007-2009).
Peoria, AZ
Maricopa Co.
United States
W Whitney Dr. / (unknown)
(33.57499, -112.23509)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2007 Year Completed estimated (2007-2009).
Red Deer, AB
Division 8
Canada
54 Ave. / 55th St.
(52.27375, -113.81759)
Roundabout
Existing
All-Way Yield
None
2 Approaches
2 Driveways
37.0000
Other (At-Grade)
Single-Lane
2013 Year Completed estimated (2012-2013).
Venice, FL
Sarasota Co.
United States
Jacaranda Blvd. / Venice Ave.
(27.09950, -82.38444)
Roundabout
Existing
All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB)
4 Approaches
0 Driveways
79.2480
Other (At-Grade)
Multilane (2 Lane)
2011 Modified 2017 to change lane configuration and address crash issues. 21442
Richfield, MN
Hennepin Co.
United States
66th St. / Portland Ave.
(44.88355, -93.26782)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane)
2009 Opened to traffic late fall 2008, finished 2009. Changes to signing and striping made August 2011. 21442
Scottsdale, AZ
Maricopa Co.
United States
N. 74th St. / E. Sweetwater Ave.
(33.60395, -111.92155)
Neighborhood Traffic Circle
Existing
All-Way Yield
None
0 Approaches
0 Driveways
16.7640
Other (At-Grade)
Unknown
2003 Modified by City in 2005 to improve operation as roundabout. 21442
Buffalo, NY
Erie Co.
United States
Gates Circle (Delaware Ave. / Lafayette Ave.)
(42.92054, -78.86776)
Other
Existing
Unknown
Unknown
5 Approaches
0 Driveways
66.4699
Other (At-Grade)
Unknown
2002 Modified in 2002 to incorporate roundabout principles. ICD estimated from Google Maps linework. 21442
Marysville, WA
Snohomish Co.
United States
34th Ave. NE-Quil Ceda Blvd. / Tulalip Casino entrance
(48.08801, -122.18560)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
74.9927
Other (At-Grade)
Single-Lane
2001 Opened October 2001 as multilane roundabout. Modified April 2014 to reduce to single-lane roundabout with right-turn-only lanes. ICD estimated from Google Maps linework. 21442
La Quinta, CA
Riverside Co.
United States
Avenida Montezuma / Avenida Navarro
(33.67616, -116.30460)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
2007 Modified from former geometrics to conform to roundabout. 21442
Apex, NC
Wake Co.
United States
Blackburn Rd. / Orchard Villas Ave.
(35.74781, -78.86505)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
27.1406
Other (At-Grade)
Single-Lane
2008 Modified in 2012 to add splitter islands. ICD estimated from Google Maps linework. 21442
St Catharines, ON
Niagara
Canada
Suzanne Rochon-Burnett Circle (University Rd. E / Greenhouse Ln. / Ray Woodfield Dr. / John McDonald St.)
(43.12007, -79.24428)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.0000
Other (At-Grade)
Single-Lane
2000 Initial completion estimated (before 2003). Modified approximately 2003-2007 to realign University Road leg. ICD estimated from Google Maps linework. 21442
Lehi, UT
Utah Co.
United States
E 3200 N / Center St.
(40.42800, -111.84974)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.1480
Other (At-Grade)
Single-Lane
2007 Roundabout modified in 2016-2017 to reduce width of truck apron and increase circulatory roadway width. 21442
Flemington, NJ
Hunterdon Co.
United States
Rte 12 / Main St. / Reaville Ave.
(40.50183, -74.85851)
Rotary
Existing
All-Way Yield
None
5 Approaches
6 Driveways
92.9640
Other (At-Grade)
Multilane (2 Lane)
2010 Minor movements need to change lanes for some movements. Modified 2009-2010 to have yield on entry with original rotary geometry. ICD = 350 ft x 265 ft. 21442
Williamsburg, VA
Williamsburg City Co.
United States
Battery Blvd. / Commonwealth Ave.
(37.25257, -76.66771)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
47.2440
Other (At-Grade)
Multilane (2 Lane)
2012 Through arrows only on northeast entry even though lanes marked within roundabout as LT, LT-TH. Entry appears to have been modified by removing left-turn pavement marking arrows on entry and replacing with through arrows. No lane use signs. Year Completed estimated (2011-2014). 21442
Vineyard, UT
Utah Co.
United States
Main St. / Center St.
(40.29700, -111.75369)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane)
2008 Year Completed estimated (2006-2009). Marked initially with concentric circulatory lane lines and no lane use markings on north and east legs. Lane use markings added 2013-2015. Converted from two-lane roundabout to single-lane roundabout in 2016-2017 using pavement markings with right-turn-only lanes on north and east legs. 21442
Topeka, KS
Shawnee Co.
United States
SW 29th St. / Urish Rd.
(39.01446, -95.78102)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Single-Lane
2001 Completed July 2001 as single-lane roundabout. Retail shopping center on SW corner. Converted to partial double-lane roundabout 2010. 21442
Idaho Falls, ID
Bonneville Co.
United States
E Lincoln Rd. / E Hitt Rd. (N 25th)
(43.51143, -111.98410)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Multilane (2 Lane)
2001 Year Completed estimated (1992-2003). Converted from single-lane to multilane in 2018. ICD estimated from Google Maps linework. 21442
Urbana, OH
Champaign Co.
United States
US 36 / US 68 / SR 29 / SR 54 / SR 55 (Main St. / Miami St. / Scioto St.)
(40.10807, -83.75250)
Roundabout
Existing
All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB)
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2009 Original traffic circle was initially converted to roundabout in 2009 using signing/striping only, including striped splitter islands. In 2019, the conversion was completed, including concrete splitter islands, concrete truck apron, concrete pedestrian refuge islands, and RRFBs (rectangular rapid flashing beacons) at the crosswalks. 21442
Hilliard, OH
Franklin Co.
United States
Main St. / Scioto Darby Rd.
(40.02892, -83.16108)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Multilane (2 Lane)
2010 Modified 2011-2014 to change lane configuration. 21442
Hilliard, OH
Franklin Co.
United States
Main St. / Cemetary Rd.
(40.02993, -83.16123)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane)
2010 Circulatory roadway striping modified 2014-2015.
Revere, MA
Suffolk Co.
United States
Copeland Circle - US 1 Ramps / MA 60 (Squire Rd.)
(42.43008, -71.01710)
Rotary
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
Retrofitted (November 2018) with multi-lane approaches/departures on the Route 1 ramps and roundabout style pavement markings and signs within the circulating roadway. 21442
Bourne, MA
Barnstable Co.
United States
MacArthur Blvd. (Rte 28) / Connery Ave. / Sandwich Rd. (Rte 28A)
(41.68534, -70.59144)
Rotary
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane)
New lane configuration/striping in 2017, aka Otis Rotary. 21442
Avon, CO
Eagle Co.
United States
Avon Rd. / Benchmark Rd.
(39.63425, -106.52220)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane)
1997 Originally had raindrop shape with locked gate access across south leg for emergency vehicles only. Redesigned and reopened May 2007 with full access. 21442
Tulsa, OK
Tulsa Co.
United States
E. Admiral Pl. / Mingo Rd.
(36.16057, -95.86876)
Rotary
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
114.7468
Other (At-Grade)
Single-Lane
Functional Class: Arterial ICD estimated from Google Maps linework.
Dublin, OH
Franklin Co.
United States
SR 161 (W Dublin Granville Rd.-E Bridge St.) / Riverside Dr. (US 33-SR 257)
(40.09964, -83.10936)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
70.1040
Other (At-Grade)
Multilane (3+ Lane)
2016 Modified 2018 to reduce lane configuration. https://www.thisweeknews.com/news/20191022/dublin-officials-say-161-riverside-roundabout-fixes-lessen-crashes . 21442
Las Vegas, NV
Clark Co.
United States
Mesa Park Dr. / W Russell Rd.
(36.08370, -115.32039)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
47.2440
Other (At-Grade)
Single-Lane
2007 Year Completed estimated (2007-2008). Fourth leg added 2014-2015. 21442
London, ON
Middlesex
Canada
Callingham Dr. / Meadowlands Way
(43.03489, -81.29534)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0000
Other (At-Grade)
Single-Lane
2012 Year Completed estimated (2010-2013). Splitter islands added 2016-2019. (streetview) 21442
Phoenix, AZ
Maricopa Co.
United States
Happy Valley Rd. / I-17 NB Ramps
(33.71291, -112.11477)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
64.0077
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2002 Revised 2005. Planned removal in 2020 to be replaced with diverging diamond interchange: https://www.youtube.com/watch?v=Xgcxmf9UYWw. 21442
Las Vegas, NV
Clark Co.
United States
W Russell Rd. / Cascante Rd. / (school access)
(36.08448, -115.31799)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
50.2920
Other (At-Grade)
Single-Lane
2008 Two legs completed 2007-2008. Third leg added 2011-2012. School access added 2012-2014. 21442
St Johns, FL
St. Johns Co.
United States
Durbin Creek Blvd. / Davis Pond Blvd.
(30.11100, -81.61024)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.1935
Other (At-Grade)
Single-Lane
2017 Originally opened as multilane roundabout (1999-2002) with concentric circulatory roadway striping. Converted to single-lane roundabout 2016-2017. ICD estimated from Google Maps linework. 21442
Scottsdale, AZ
Maricopa Co.
United States
Princess Blvd. / Princess Dr.
(33.64804, -111.91795)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
64.0077
Other (At-Grade)
Multilane (2 Lane)
2007 Completed 1986. Reconfigured in 2007? 21442
Phoenix, AZ
Maricopa Co.
United States
Happy Valley Rd. / I-17 SB Ramps
(33.71292, -112.12019)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
209.9996
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2002 Revised 2005. Planned removal in 2020 to be replaced with diverging diamond interchange: https://www.youtube.com/watch?v=Xgcxmf9UYWw 21442
Savannah, GA
Chatham Co.
United States
Williams Rd. / (unknown)
(32.13212, -81.14829)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.5464
Other (At-Grade)
Multilane (2 Lane)
2015 Temporary roundabout on Port of Savannah property. Reconfigured in 2018 into oval-shaped roundabout. ICD estimated from Google Maps linework. 21442
Slidell, LA
St. Tammany Par.
United States
Levis Ln. / (parking lots) (east)
(30.26632, -89.75977)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.9457
Other (At-Grade)
Single-Lane
2014 Three legs completed 2013-2014; fourth leg added 2015-2016. ICD estimated from Google Maps linework. 21442
Natick, MA
Middlesex Co.
United States
Natick Mall Rd. / Nouvelle Way / (parking lots/garage)
(42.30232, -71.38495)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
35.3330
Other (At-Grade)
Multilane (2 Lane)
2007 Fifth leg added 2017-2018. ICD estimated from Google Maps linework. 21442
Slidell, LA
St. Tammany Par.
United States
Town Center Pkwy. / Levis Ln.
(30.26543, -89.76313)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
47.4507
Other (At-Grade)
Multilane (2 Lane)
2013 Initial construction completed 2011-2013; third leg added 2015-2016. ICD estimated from Google Maps linework. 21442
Grays, England
Essex
United Kingdom
A1306 / B186
(51.48926, 0.27230)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
89.2395
Other (At-Grade)
Single-Lane
Modified with striped spirals to be single-lane. ICD estimated from Google Maps linework. 21442
Eersel, North Brabant
Eersel
Netherlands
N397 / Molenweg / Eindhovenseweg
(51.36687, 5.32618)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
70.0917
Other (At-Grade)
Multilane (2 Lane)
Retrofitted into a turboroundabout. ICD estimated from Google Maps linework. 21442
Hope Mills, NC
Cumberland Co.
United States
Archer Rd. / Castleton Dr. / Masters Dr.
(34.96856, -78.94971)
Other
Existing
All-Way Yield
Unknown
4 Approaches
2 Driveways
35.2334
Other (At-Grade)
Single-Lane
Had two approaches by 1993 and four by 1999. No splitter islands. ICD estimated from Google Maps linework. 21442
Medford, OR
Jackson Co.
United States
N Cottage St. / Ohio St.
(42.34260, -122.88285)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.1932
Other (At-Grade)
Single-Lane
2012 Year Completed estimated (2011-2012). West leg religned to southwest 2016-2017. ICD estimated from Google Maps linework. 21442
Las Vegas (Summerlin), NV
Clark Co.
United States
Town Center Dr. / Hualapai Way
(36.17850, -115.31770)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
70.1040
Other (At-Grade)
Multilane (2 Lane)
1990 Completed March 1990. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. ICD estimated from Google Maps linework. 21442
Las Vegas (Summerlin), NV
Clark Co.
United States
Town Center Dr. / Canyon Run Dr. / Banburry Cross Dr.
(36.18080, -115.31370)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Multilane (2 Lane)
1995 Completed March 1995. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. 21442
Las Vegas (Summerlin), NV
Clark Co.
United States
Town Center Dr. / Village Center Cir. / Library Hills Dr.
(36.18960, -115.30360)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
91.4400
Other (At-Grade)
Multilane (2 Lane)
1990 Completed March 1990. Modified 2010 to reduce lane configuration. 21442
Richmond, TX
Fort Bend Co.
United States
Harvest Home Dr. / Harvest Corner Dr. / Harvest Garden Blvd.
(29.64292, -95.72240)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
64.0080
Other (At-Grade)
Single-Lane
2015 Originally had striped-out outer sections of circulatory roadway. In 2017 striping was changed to instead stripe out inner portion of circulatory roadway for single-lane sections of circulatory roadway with spiralling from two-lane section. 21442
Narragansett, RI
Washington Co.
United States
Succotash Rd. / Beach Row
(41.37662, -71.51541)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
24.1972
Other (At-Grade)
Single-Lane
2011 Rotary retrofitted (signage and striping). No geometric changes to add deflection. ICD estimated from Google Maps linework. 21442
Towson, MD
Baltimore Co.
United States
MD 45 / MD 146 / Joppa Rd. / Allegheny Ave.
(39.40185, -76.60230)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
47.9892
Other (At-Grade)
Multilane (2 Lane)
1998 Opened October 1998. Exit striping retrofitted to roundabout after opening. Hotdog/racetrack shape. ICD estimated from Google Maps linework. 21442
Clearwater, FL
Pinellas Co.
United States
SR 60 / Coronado Dr. (SR 699) / Mandalay Ave. / Poinsettia Ave. (Gateway Roundabout)
(27.97752, -82.82709)
Roundabout
Existing
All-Way Yield
Metering Signal
6 Approaches
0 Driveways
68.5587
Other (At-Grade)
Multilane (2 Lane)
1999 Modified 2002-2004 to change geometry and striping, and remove fountain. 21442
Emporia, KS
Lyon Co.
United States
US 50 Connector / US 50
(38.41225, -96.22947)
Roundabout
Existing
All-Way Yield
None
0 Approaches
0 Driveways
85.3440
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2008 New interchange configuration. Half double-lane, half triple-lane. Opened November 2008. Modified 2011-2013 to reduce lanes. NCHRP Synthesis 488. 21442
Ritchie, MD
Prince Georges Co.
United States
Ritchie-Marlboro Rd. / I-95 SB Ramps
(38.86894, -76.84738)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
770.9968
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
2001 Opening initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
Ritchie, MD
Prince Georges Co.
United States
Ritchie-Marlboro Rd. / I-95 NB Ramps
(38.86824, -76.84158)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
67.0560
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
2001 Opened initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
Odenton, MD
Anne Arundel Co.
United States
MD 175 / MD 677 / Higgins Dr.
(39.07831, -76.68481)
Roundabout
Existing
All-Way Yield
Unknown
5 Approaches
0 Driveways
57.9120
Other (At-Grade)
Multilane (2 Lane)
2004 Reduced from two lanes to one lane in 2010. 21442
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)
2002 Lanes reduced in 2010. 21442
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)
2002 Lanes reduced in 2010. 21442
Seymour, CT
New Haven Co.
United States
Rte. 188 / Rte. 334 (Great Hill Rd.) / Holbrook Rd.
(41.37857, -73.12669)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.8469
Other (At-Grade)
Single-Lane
2016 Previous traffic circle was upgraded to modern roundabout design guidelines. 21442
Killingworth, CT
Middledex Co.
United States
Rte. 80 / Rte. 81
(41.35801, -72.56517)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
1997 First rotary modification in Connecticut. 21442
Long Beach, CA
Los Angeles Co.
United States
Los Alamitos Circle (Hwy. 1 / Lakewood Blvd. / Los Coyotes Diagonal)
(33.78989, -118.14250)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
137.1600
Other (At-Grade)
Multilane (2 Lane)
1993 Traffic circle conversion. Modified in 2020 to reduce lanes. 21442
Palmdale, CA
Los Angeles Co.
United States
Palmdale Blvd. (SR 138) / 47th St. / 50th St.
(34.58010, -118.04510)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
57.9120
Other (At-Grade)
Multilane (2 Lane)
2009 Modified 2019-2020 to add lanes. 21442
Bellevue, WA
King Co.
United States
W Lake Sammamish Pkwy SE / I-90 WB Ramps
(47.56690, -122.09947)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
139.9998
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2013 Open November 2013. Raindrop shape.
Richland, WA
Benton Co.
United States
Steptoe Dr. / SR 240 EB Ramps / Columbia Park Trl.
(46.23893, -119.24546)
Roundabout
Existing
All-Way Yield
Metering Signal
5 Approaches
0 Driveways
49.5635
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2007 5th leg is on-ramp to SR 240. Opened November 2007. Lane configuration reduced in 2016. Modified in 2018 to add metering signal. According to local news (link below) they started metering the traffic on the westbound Columbia Park Trail approach in 2018. It only turns on when traffic coming off the freeway gets backed up. https://97rockonline.com/tri-cities-roundabout-gets-new-metered-traffic-light-wait-what/ 21442
Carmel, IN
Hamilton Co.
United States
E 136th St. / Keystone Pkwy NB Ramps
(39.98598, -86.11404)
Roundabout
Existing
All-Way Yield
Metering Signal
3 Approaches
0 Driveways
38.1000
Freeway Ramps (Grade-Separated)
Single-Lane
2009 Part of tight diamond interchange with raindrop shape central island. Modified in 2016-2017 to add metering signals. Northbound ramp from Keystone Pkwy has a metering signal (PHB) that activates during peak hours when triggered by a long westbound queue. Eastbound approach has a metering signal (PHB) that activates during peak hours when triggered by a long northbound queue. 21442
Houston, TX
Harris Co.
United States
Broadway / Park Pl. / I-45 Frontage Roads
(29.68551, -95.27756)
Signalized Roundabout/Circle
Existing
Signal
Unknown
6 Approaches
0 Driveways
109.7280
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
Houston, TX
Harris Co.
United States
Dover St. / Moline St.
(29.68365, -95.28025)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
47.2440
Other (At-Grade)
Single-Lane
No splitter islands. Oval shape. ICD 180 ft x 130 ft.
Houston, TX
Harris Co.
United States
Joplin St. / Poplar St.
(29.68898, -95.28702)
Other
Existing
All-Way Stop
Unknown
4 Approaches
0 Driveways
51.8160
Other (At-Grade)
Single-Lane
Houston, TX
Harris Co.
United States
Grove Ridge Dr. / Leonora St.
(29.67659, -95.28483)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
No splitter islands.
Houston, TX
Harris Co.
United States
Carothers St. / Kinney St.
(29.68701, -95.30075)
Other
Existing
Uncontrolled
Unknown
4 Approaches
0 Driveways
88.3920
Other (At-Grade)
Single-Lane
Six houses within central island, parking along circulatory roadway, bidirectional travel along circulatory roadway.