18182 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
Fruitville, FL
Sarasota Co.
United States
Coburn Rd. / Lakewood Ranch Blvd.
(27.34201, -82.44073)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane)
2019
Sarasota, FL
Sarasota Co.
United States
Honore Ave. / Bridgehampton Blvd. / Blue Water Blvd.
(27.25420, -82.46457)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
60.9600
Other (At-Grade)
Multilane (2 Lane)
2018
Sarasota, FL
Sarasota Co.
United States
Honore Ave. / E Bay St.
(27.19889, -82.44490)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
60.9600
Other (At-Grade)
Single-Lane
2018 Year Completed estimated (2018-2019).
North Port, FL
Sarasota Co.
United States
W Villages Pkwy. / Renaissance Blvd.
(27.05714, -82.32054)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
56.3880
Other (At-Grade)
Multilane (2 Lane)
2009 East leg added 2019.
Port Charlotte, FL
Charlotte Co.
United States
Edgewater Dr. / Midway Blvd.
(26.97363, -82.13104)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2016 Right-turn-only lane on east leg.
Port Charlotte, FL
Charlotte Co.
United States
Edgewater Dr. / Lake View Blvd.
(26.97349, -82.12352)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Multilane (2 Lane)
2016
Port Charlotte, FL
Charlotte Co.
United States
Edgewater Dr. / W Tarpon Blvd. / Lea Marie Island Dr.
(26.97350, -82.11727)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Multilane (2 Lane)
2016
Port Charlotte, FL
Charlotte Co.
United States
Edgewater Dr. / Port Charlotte Blvd.
(26.97232, -82.10741)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6717
Other (At-Grade)
Multilane (2 Lane)
2016 Southwest leg stubbed.
Moses Lake, WA
Grant Co.
United States
S Balsam St. / E 4th Ave.
(47.13056, -119.27474)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2012 Year Completed estimated (2011-2012).
Oyster Bed Bridge, PE
Queens
Canada
Rte 6 / Rte 7 / Rte 251
(46.38855, -63.23733)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.0000
Other (At-Grade)
Single-Lane
2018 Year Completed estimated (2017-2018).
Fresno, CA
Fresno Co.
United States
N Saddleback Ave. / E Dayton Ave.
(36.78261, -119.66915)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
48.7680
Other (At-Grade)
Single-Lane
2007 Painted splitter island on one leg.
Fresno, CA
Fresno Co.
United States
E El Paso Ave. / El Camino
(36.84721, -119.78884)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
1996 Year Completed estimated (before 1998).
Atwater, CA
Merced Co.
United States
Ashby Rd. / Gurr Rd.
(37.32833, -120.55912)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2016 Year Completed estimated (2015-2016).
Ceres, CA
Stanislaus Co.
United States
Helen Perry Rd. / Eastgate Blvd.
(37.60202, -120.92512)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.4320
Other (At-Grade)
Single-Lane
2005 Initial construction without splitter islands around 2005. Converted into roundabout with splitter islands 2006-2009.
Modesto, CA
Stanislaus Co.
United States
Roselle Ave. / Kodiak Dr.
(37.68158, -120.93963)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
51.8160
Other (At-Grade)
Multilane (2 Lane)
2017
Modesto, CA
Stanislaus Co.
United States
Sylvan Ave. / Litt Rd.
(37.68914, -120.93072)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
57.9120
Other (At-Grade)
Multilane (2 Lane)
2013
Modesto, CA
Stanislaus Co.
United States
Litt Rd. / (parking)
(37.69136, -120.92985)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2013
Modesto, CA
Stanislaus Co.
United States
La Force Dr. / Kodiak Dr. / Hillglen Ave.
(37.68347, -120.95500)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.4320
Other (At-Grade)
Single-Lane
2010
Ripon, CA
San Joaquin Co.
United States
Doak Blvd. / Vera Ave.
(37.72930, -121.13299)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2008 Year Completed estimated (2006-2009).
Ripon, CA
San Joaquin Co.
United States
Doak Blvd. / S Jack Tone Rd.
(37.72877, -121.14199)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.4320
Other (At-Grade)
Single-Lane
2004 Painted splitter islands on north and south legs.
Ripon, CA
San Joaquin Co.
United States
Doak Blvd. / Reuss Rd.
(37.72860, -121.14465)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.4320
Other (At-Grade)
Single-Lane
2004 Painted splitter islands on north and south legs.
Ripon, CA
San Joaquin Co.
United States
2nd St. / Palm Ave.
(37.73758, -121.13086)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.9080
Other (At-Grade)
Single-Lane
2008 Year Completed estimated (2006-2009).
Ripon, CA
San Joaquin Co.
United States
S Highland Ave. / Terry Dr.
(37.72965, -121.14727)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2008 Painted splitter islands on east and west legs. Year Completed estimated (2006-2009).
Manteca, CA
San Joaquin Co.
United States
E Louise Ave. / Felice Way / Ambrose Dr.
(37.81205, -121.20128)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
50.2920
Other (At-Grade)
Multilane (2 Lane)
2018
Stockton, CA
San Joaquin Co.
United States
Villa Point Dr. / Marlette Rd.
(38.05424, -121.31757)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2007 Year Completed estimated (2006-2007).
West Sacramento, CA
Yolo Co.
United States
Village Pkwy. / Stonegate Dr.
(38.55465, -121.52167)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2016 http://www.westsac.com/news-ledger/2016/10/20/ribbon-cutting-to-celebrate-new-roadway-the-village-parkway-north/
Olympia, WA
Thurston Co.
United States
Chehalis Western Trl. / Woodland Trl.
(47.03914, -122.83937)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
15.2400
Other (At-Grade)
Mini-roundabout
2015 Bicycle trail to bicycle trail only roundabout.
Sacramento, CA
Sacramento Co.
United States
Arboretuem Way / (unknown)
(38.56426, -121.42935)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2018 Painted splitter islands.
Sacramento, CA
Sacramento Co.
United States
Butterfield Way / (parking)
(38.56675, -121.34436)
Other
Existing
Other
None
3 Approaches
0 Driveways
59.4360
Other (At-Grade)
Single-Lane
West leg stop controlled.
Sacramento, CA
Sacramento Co.
United States
Fong Ranch Rd. / Bridgegate Dr.
(38.63510, -121.49340)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2019 Year Completed estimated (2018-2020).
Sacramento, CA
Sacramento Co.
United States
Blackrock Dr. / N Breezy Meadow Dr.
(38.65328, -121.49509)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2016
Sacramento, CA
Sacramento Co.
United States
Breezy Meadow Dr. / Terracina Dr.
(38.65238, -121.50013)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
35.0520
Other (At-Grade)
Single-Lane
2007 Year Completed estimated (2006-2007).
North Highlands, CA
Sacramento Co.
United States
Freedom Park Dr. / 32nd St.
(38.67592, -121.39216)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2012
North Highlands, CA
Sacramento Co.
United States
Freedom Park Dr. / 34th St. / Dudley Blvd.
(38.67588, -121.38752)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2012
Sacramento, CA
Sacramento Co.
United States
Airport Blvd. / Lindbergh Dr. / Aviation Dr.
(38.69345, -121.59025)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2011 South leg is exit only.
Citrus Heights, CA
Sacramento Co.
United States
Stock Ranch Rd. / Woodside Dr. / Fountain Square Dr.
(38.68438, -121.29649)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2004 Bike lanes striped within circulatory roadway. Year Completed estimated (2003-2004).
Roseville, CA
Placer Co.
United States
Roseville Pkwy. / Painted Desert Way
(38.79230, -121.32493)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2017 Yield-controlled right-turn bypass lane on north leg. East leg stubbed. 21442.
Roseville, CA
Placer Co.
United States
Roseville Pkwy. / (unknown)
(38.78900, -121.32076)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2017 Year Completed estimated (2016-2018).
Roseville, CA
Placer Co.
United States
Roseville Pkwy. / (parking)
(38.78819, -121.31549)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane)
2000 Year Completed estimated (1998-2002). Built initial as single-lane roundabout. Converted to double lane east and west 2017-2018.
Roseville, CA
Placer Co.
United States
Albertsons Dr. / (parking)
(38.79187, -121.31505)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2001 Merging right-turn bypass lane on east leg. Year Completed estimated (1998-2002).
Roseville, CA
Placer Co.
United States
Freedom Way / (unknown)
(38.79281, -121.29852)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2016 Yield-controlled right-turn bypass lane on west leg. Year Completed estimated (2015-2016).
Roseville, CA
Placer Co.
United States
Freedom Way / Thrive Dr.
(38.79276, -121.29625)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2016 Year Completed estimated (2015-2016). North leg added 2017-2018.
Loomis, CA
Placer Co.
United States
Rutherford Canyon Rd. / Shady Canyon Ct.
(38.79408, -121.17740)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2007
Roseville, CA
Placer Co.
United States
Crawford Pkwy. / Schellhous Dr.
(38.79793, -121.36395)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2018
Roseville, CA
Placer Co.
United States
Holt Pkwy. / Schellhous Dr.
(38.80084, -121.36400)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2018
Vacaville, CA
Solano Co.
United States
Foxboro Pkwy. / Vanden Rd. / Rich Cir.
(38.31708, -121.94625)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
50.2920
Other (At-Grade)
Single-Lane
2019
Suisun City, CA
Solano Co.
United States
Charleston St. / Gunter Dr.
(38.26212, -121.98570)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
48.7680
Other (At-Grade)
Single-Lane
2004
Suisun City, CA
Solano Co.
United States
Charleston St. / McClellan Dr.
(38.25614, -121.98578)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
48.7680
Other (At-Grade)
Single-Lane
2002 Year Completed estimated (1993-2003).
San Ramon, CA
Contra Costa Co.
United States
Stoneleaf Rd. / W Branch Rd.
(37.76337, -121.91875)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2011
Visalia, CA
Tulare Co.
United States
W Shannon Pkwy. / N County Center St.
(36.36111, -119.32232)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2006
Visalia, CA
Tulare Co.
United States
Shannon Pkwy. / Mooney Blvd.
(36.36166, -119.31435)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Multilane (2 Lane)
2011 Two lane entry on north leg into single-lane circulatory roadway. Striped out inner lane of circulatory roadway. Year Completed estimated (2010-2011).
Visalia, CA
Tulare Co.
United States
W Shannon Pkwy. / N Giddings St.
(36.35936, -119.30572)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Multilane (2 Lane)
2017
Yuma, AZ
Yuma Co.
United States
S Avenue 8 E / (unknown)
(32.68749, -114.49700)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2008
Chula Vista, CA
San Diego Co.
United States
Santa Victoria Rd. / Santa Diana Rd. / State St.
(32.61761, -116.98740)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.1480
Other (At-Grade)
Single-Lane
2008
Chula Vista, CA
San Diego Co.
United States
Santa Victoria Rd. / Santa Carolina Rd.
(32.61166, -116.99747)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.1480
Other (At-Grade)
Single-Lane
2014
Tumwater, WA
Thurston Co.
United States
Israel Rd. SW / Tyee Dr. SW
(46.98552, -122.92855)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2017 Right-turn-only lane on north leg. South leg stubbed. Year Completed estimated (2016-2017).
Lacey, WA
Thurston Co.
United States
Parkside Dr. SE / 53rd St. SE
(47.00040, -122.81703)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2008 Year Completed estimated (2006-2009).
Woodinville, WA
King Co.
United States
NE 171st St. / 131st Ave. NE / (parking)
(47.75074, -122.16148)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2018 Year Completed estimated (2018-2019).
St Louis Park, MN
Hennepin Co.
United States
Cedar Lake Rd. / Zarthan Ave.
(44.96544, -93.35534)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2020
Horizon West, FL
Orange Co.
United States
Lake Hancock Blvd. / John Hancock Dr.
(28.45882, -81.62045)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2013
Horizon West, FL
Orange Co.
United States
Summerport Village Pkwy. / Eden Isle Blvd. / Merrick Landing Blvd. / Blu Knight Ln.
(28.47355, -81.58850)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2002
Willows at Lake Rhea, FL
Orange Co.
United States
Willow Gardens Dr. / Willow Brick Rd.
(28.51391, -81.54793)
Other
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
76.2000
Other (At-Grade)
Single-Lane
No splitter islands on two legs.
Metro West, FL
Orange Co.
United States
Lake Debra Dr. / (unknown)
(28.51446, -81.47791)
Other
Existing
Other
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Stop control on one leg.
Fort Wayne, IN
Allen Co.
United States
Lincoln Hwy. / Goshen Ave. / Sherman Blvd. / Lillian Ave.
(41.09896, -85.15372)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2020 https://www.wane.com/news/local-news/goshen-avenue-roundabout-opens-to-traffic/
Salem, MI
Washtenaw Co.
United States
Pontiac Trl. / 7 Mile Rd.
(42.41368, -83.64647)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2020 https://www.wcroads.org/wcrc-project/pontiac-trail-and-7-mile-road-roundabout/
Delta, BC
Greater Vancouver
Canada
Tilbury Connector / Progress Way / 80 St. / (unknown) / (unknown)
(49.14014, -123.00090)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
68.0000
Other (At-Grade)
Multilane (2 Lane)
2013
Delta, BC
Greater Vancouver
Canada
Delsom Crescent / Delsom Way
(49.15497, -122.92664)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0000
Other (At-Grade)
Single-Lane
2008 Splitter islands added 2014-2015.
Chester, MD
Queen Anne's Co.
United States
Castle Marina Rd. / Bayberry Dr.
(38.98086, -76.28905)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
48.7680
Other (At-Grade)
Single-Lane
2019 Year Completed estimated (2018-2019).
Severna Park, MD
Anne Arundel Co.
United States
East West Blvd. / Jumpers Hole Rd. / Adler Ct.
(39.10765, -76.58306)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
65.5320
Other (At-Grade)
Single-Lane
1998 Elliptical shape. ICD 225 ft x 200 ft. Year Completed estimated (1994-2002).
Millersville, MD
Anne Arundel Co.
United States
Brightview Dr. / Galiot Dr. / Tremont Dr.
(39.11196, -76.62028)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2008
Hanover, MD
Anne Arundel Co.
United States
Parkside Blvd. / Fredericksburg Rd. / Cornfield Ave.
(39.13140, -76.75125)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2015
Gaithersburg, MD
Montgomery Co.
United States
Washingtonian Blvd. / Rio Blvd.
(39.11678, -77.20122)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Multilane (2 Lane)
1998 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States
Washingtonian Blvd. / Washington Blvd.
(39.11773, -77.20314)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.5760
Other (At-Grade)
Multilane (2 Lane)
1998 Year Completed estimated (1993-2002).
Severn, MD
Anne Arundel Co.
United States
Milestone Pkwy. / (unknown)
(39.14341, -76.75076)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane)
2012 Year Completed estimated (2011-2014).
Severn, MD
Anne Arundel Co.
United States
Milestone Pkwy. / Clubhouse Dr.
(39.14600, -76.74775)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane)
2012 Year Completed estimated (2011-2014).
Severn, MD
Anne Arundel Co.
United States
Milestone Pkwy. / Split Creek Ln. / (parking)
(39.15042, -76.74668)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane)
2007
Darnestown, MD
Montgomery Co.
United States
Schaeffer Rd. / Germantown Park Dr. / Central Park Cir.
(39.15003, -77.30152)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Single-Lane
2004 Right-turn-only lane on northeast leg. Year Completed estimated (2002-2005).
Jessup, MD
Anne Arundel Co.
United States
Montevideo Rd. / Forest Ave. / Wigley Ave.
(39.15966, -76.75916)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2007 Year Completed estimated (2006-2007).
Columbia, MD
Howard Co.
United States
Owen Brown Rd. / Martin Rd.
(39.19989, -76.86930)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
2004 Year Completed estimated (2002-2005).
Columbia, MD
Howard Co.
United States
Oakland Mills Rd. / MD 175 SB Ramps / (unknown)
(39.21308, -76.83456)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.5760
Freeway Ramps (Grade-Separated)
Single-Lane
2017 Year Completed estimated (2016-2017).
Columbia, MD
Howard Co.
United States
Oakland Mills Rd. / Old Montgomery Rd.
(39.20788, -76.83157)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2017
Clarksville, MD
Howard Co.
United States
Linden Church Rd. / MD 32 NB Ramps
(39.22942, -76.97263)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.6240
Freeway Ramps (Grade-Separated)
Single-Lane
2013 Year Completed estimated (2011-2014).
Clarksville, MD
Howard Co.
United States
Highland Rd. / Triadelphia Mill Rd.
(39.21551, -76.97698)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2008
West Friendship, MD
Howard Co.
United States
Castlebridge Rd. / Hunter's View Rd.
(39.24552, -76.90189)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2006
West Friendship, MD
Howard Co.
United States
Folly Quarter Rd. / Sheppard Ln. / Homewood Rd.
(39.24979, -76.93188)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2004 Year Completed estimated (2002-2005).
Glenelg, MD
Howard Co.
United States
Pfefferkorn Rd. / Fox Stream Way / Old Rover Rd.
(39.29067, -76.99226)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
2005 Year Completed estimated (2004-2005).
Cooksville, MD
Howard Co.
United States
Long Corner Rd. / Penn Shop Rd.
(39.33938, -77.15284)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
2005 Year Completed estimated (1988-2005).
Camp Springs, MD
Prince George's Co.
United States
Capital Gateway Dr. / Auth Rd. / Old Soper Rd.
(38.82403, -76.91189)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane)
1999 Unstriped circulatory roadway. Year Completed estimated (1995-2001).
College Park, MD
Prince George's Co.
United States
Campus Dr. / Mowatt Ln. / Valley Dr. (Alumni Dr.)
(38.98482, -76.94890)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.0037
Other (At-Grade)
Single-Lane
2004 Striped splitter island on north and east legs. Year Completed estimated (2002-2005).
Parole, MD
Anne Arundel Co.
United States
Housley Rd. / Gateway Village Dr. / Annapolis Ridge Rd.
(38.98793, -76.55715)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.1480
Other (At-Grade)
Multilane (2 Lane)
2000 Right-turn-only lanes on north and south legs. Year Completed estimated (1998-2002). Converted from unstriped two-lane roundabout in 2008-2009.
Summerfield, MD
Prince George's Co.
United States
Saint Josephs Dr. / Grove Hurst Ln.
(38.91969, -76.84060)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.3400
Other (At-Grade)
Multilane (2 Lane)
2012
Summerfield, MD
Prince George's Co.
United States
Ruby Lockhart Blvd. / Taj Ln.
(38.92163, -76.84438)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane)
2011
Glenarden, MD
Prince George's Co.
United States
Ruby Lockhart Blvd. / Campus Way
(38.92345, -76.84696)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane)
2011
Glenarden, MD
Prince George's Co.
United States
Ruby Lockhart Blvd. / Evarts St. / Sir Michael Pl.
(38.92506, -76.84953)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane)
2011 Double left-turn and double right-turn movements.
Summerfield, MD
Prince George's Co.
United States
Campus Way / Geaton Park Pl.
(38.92577, -76.84451)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane)
2011
Beltsville, MD
Prince George's Co.
United States
Sellman Rd. / Woodbine Rd.
(39.03418, -76.93680)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2008 Intersection relocated south of previous TWSC intersection.
Calverton, MD
Montgomery Co.
United States
Fairland Rd. / Brahms Ave. / (parking)
(39.07126, -76.95403)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
50.2920
Other (At-Grade)
Multilane (2 Lane)
2008
Calverton, MD
Montgomery Co.
United States
Fairland Rd. / Marlow Farm Terr. / Musgrove Rd.
(39.07004, -76.95264)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0520
Other (At-Grade)
Single-Lane
2008
Calverton, MD
Montgomery Co.
United States
Fairland Rd. / Galway Dr.
(39.06594, -76.94436)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
32.0040
Other (At-Grade)
Single-Lane
2008
Greenacres, WA
Spokane Co.
United States
N Barker Rd. / I-90 EB Ramps
(47.66457, -117.15376)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
41.1480
Freeway Ramps (Grade-Separated)
Single-Lane
2020 Open September 4, 2020.