29410 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
Chillicothe, OH
Ross Co.
United States
SR 159 / SR 180
(39.42539, -82.95429)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2020 https://www.facebook.com/ODOTDistrict9/videos/ross-207-extension-first-trip/344554030308290/
Martinsville, IN
Morgan Co.
United States
SR 252 (Morgantown Rd.) / I-69 NB Ramps
(39.42498, -86.40092)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2021 Replaced at-grade signalized intersection.
Castle Rock, CO
Douglas Co.
United States
Castle Rock Pkwy. / Promenade Pkwy. / I-25 SB Off-Ramp / I-25 NB Ramps
(39.42427, -104.87786)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
43.3611
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2016 ICD estimated from Google Maps linework.
Martinsville, IN
Morgan Co.
United States
SR 252 (Morgantown Rd.) / Cramertown Loop
(39.42394, -86.39938)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2021 Opened 12/2021 as part of the I-69 opening around Martinsville. https://i69finishline.com/construction-schedule/.
Castle Rock, CO
Douglas Co.
United States
Promenade Pkwy. / (parking lot)
(39.42238, -104.87869)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
29.5233
Other (At-Grade)
Multilane (2 Lane, unspecified)
2016 ICD estimated from Google Maps linework.
Linganore, MD
Frederick Co.
United States
Woodridge Rd. / Woodland Rd.
(39.42155, -77.32956)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Owings Mills, MD
Baltimore Co.
United States
Tollgate Rd. / Lastgage Rd.
(39.42149, -76.78482)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
28.6010
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Liberty Township, OH
Butler Co.
United States
Aspenwood Dr. / Aspen Trail Blvd.
(39.42119, -84.44619)
Other
Existing
All-Way Yield
None
3 Approaches
0 Driveways
26.7559
Other (At-Grade)
Single-Lane
2003 No splitter islands. ICD estimated from Google Maps linework.
Terre Haute, IN
Vigo Co.
United States
Willow Run Ct. / Aspen Ct. / Magnolia Ct.
(39.42072, -87.32787)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
101.4886
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Hanover Township, OH
Butler Co.
United States
Stahlheber Rd. / Morman Rd.
(39.42038, -84.64629)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2023
Townsend, DE
New Castle Co.
United States
N Odessa Blvd. / Tweedsmere Dr. / Aviemore Dr. / Ravenglass Dr.
(39.41965, -75.63644)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Chillicothe, OH
Ross Co.
United States
SR 159 / SR 207
(39.41938, -82.95615)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2020 https://www.facebook.com/ODOTDistrict9/videos/ross-207-extension-first-trip/344554030308290/
Linganore, MD
Frederick Co.
United States
Boyers Mill Rd. / Eaglehead Dr.
(39.41912, -77.30650)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2018
Castle Rock, CO
Douglas Co.
United States
Promenade Pkwy. / (parking lots)
(39.41882, -104.87797)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.5192
Other (At-Grade)
Multilane (2 Lane, unspecified)
2016 ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States
Castle Oaks Dr. / Arabella Dr.
(39.41863, -104.77860)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2006
Lutherville-Timonium, MD
Baltimore Co.
United States
MD 139 (Charles St.) / Bellona Ave.
(39.41790, -76.62900)
Roundabout
Removed
All-Way Yield
None
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Multilane (2 Lane, unspecified)
1999 Two-lane circulatory roadway across northern half.
Liberty Township, OH
Butler Co.
United States
Kyles Station Rd. / Lesourdsville West Chester Rd.
(39.41743, -84.43708)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.5974
Other (At-Grade)
Single-Lane
2012 ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States
N Meadows Dr. / (unknown)
(39.41690, -104.89226)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.3400
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2021
Silver Springs, NV
Lyon Co.
United States
US 50 / Alt US 95
(39.41616, -119.22497)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2020 https://mynews4.com/news/local/new-us-5095a-traffic-roundabout-to-open-in-silver-springs-tomorrow
Townsend, DE
New Castle Co.
United States
Robinson Rd. / Goldsborough Dr.
(39.41614, -75.65156)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands on three legs.
Liberty Township, OH
Butler Co.
United States
Kyles Station Rd. / Yankee Rd.
(39.41489, -84.38421)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.5988
Other (At-Grade)
Single-Lane
2013 ICD estimated from Google Maps linework.
Terre Haute, IN
Vigo Co.
United States
IN-46 / IN-641 SB Ramps
(39.41463, -87.33553)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Single-Lane
2016
Liberty Township, OH
Butler Co.
United States
Kyles Station Rd. / Cincinnati Dayton Rd.
(39.41390, -84.36743)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.5994
Other (At-Grade)
Single-Lane
2016 ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States
New Beale St. / (parking)
(39.41325, -104.87702)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2007 Year Completed estimated (2006-2008).
Sykesville, MD
Carroll Co.
United States
Bennett Rd. / Monroe Ave.
(39.41306, -76.92967)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
26.7590
Other (At-Grade)
Single-Lane
2006 ICD estimated from Google Maps linework.
Frederick, MD
Frederick Co.
United States
Hillsborough Dr. / Hillsborough Terrace / Forest Hills Ct.
(39.41266, -77.34441)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Terre Haute, IN
Vigo Co.
United States
IN-46 / IN-641 NB Ramps
(39.41253, -87.33459)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.9093
Freeway Ramps (Grade-Separated)
Single-Lane
2016 ICD estimated from Google Maps linework.
Owings Mills, MD
Baltimore Co.
United States
Upper Mill Dr. / Bluestem Ct. /Spring Willow Ct. / Bayline Cir.
(39.41253, -76.82032)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Fort Bragg, CA
Mendocino Co.
United States
Hwy 1 / Simpson Ln.
(39.41239, -123.80830)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
52.5958
Other (At-Grade)
Single-Lane
2012 ICD estimated from Google Maps linework.
Joppa, MD
Harford Co.
United States
Trimble Rd. / Fort Hoyle Rd.
(39.41183, -76.33325)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2012 Year Completed estimated (2011-2013).
Perry Hall, MD
Baltimore Co.
United States
Seven Courts Dr. / Proctor Ln.
(39.41060, -76.48483)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.4320
Other (At-Grade)
Single-Lane
2008 Year Completed estimated (2007-2008).
Owings Mills, MD
Baltimore Co.
United States
New Town Blvd. / Rangeford Dr.
(39.40957, -76.80654)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Townsend, DE
New Castle Co.
United States
Glen Mohr Dr. / Perthshire Dr. / S Odessa Blvd.
(39.40908, -75.63633)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Casal da Boavista de São Gregório, Leiria
Caldas da Rainha
Portugal
Rua Doutor Vieira Pereira / Rua Inseparáveis De Lubango / Rua da Crocha
(39.40878, -9.12190)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Montalto Uffugo, Calabria
Cosenza
Italy
SP247 (Via Sila) / Via Coretta
(39.40860, 16.25275)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Frederick, MD
Frederick Co.
United States
Claridge Dr. S / Spring Ridge Pkwy.
(39.40767, -77.33577)
Roundabout
Existing
All-Way Yield
None
3 Approaches
2 Driveways
35.0520
Other (At-Grade)
Single-Lane
2002 Painted splitter islands on two legs. Year Completed estimated (1988-2005).
Owings Mills, MD
Baltimore Co.
United States
Grand Central Ave. / Waverly Ln.
(39.40713, -76.78413)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2014 Year Completed estimated (2011-2014). West leg added 2015.
Rose, Calabria
Cosenza
Italy
SP234 / SP247
(39.40709, 16.26141)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Frederick, MD
Frederick Co.
United States
Briarcliff Ln. / Briarcliff Way / Cliffside Terrace
(39.40696, -77.34925)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Frederick, MD
Frederick Co.
United States
Butterfly Ln. / Himes Ave.
(39.40671, -77.44764)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
2020 https://www.cityoffrederickmd.gov/CivicAlerts.aspx?aid=6432
Frederick, MD
Frederick Co.
United States
S East St. / (future road)
(39.40599, -77.40392)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
51.8160
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2009 Year Completed estimated (2009-2011). East leg is stubbed for future connection.
Fairfield Township, OH
Butler Co.
United States
Millikin Rd. / Morris Rd. / Carter Cir.
(39.40585, -84.49448)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2024 Roundabout opened August 3, 2024.
Owings Mills, MD
Baltimore Co.
United States
Grand Central Ave. / (parking)
(39.40581, -76.78033)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, unspecified)
2014 Year Completed estimated (2011-2014).
White Marsh Station, MD
Baltimore Co.
United States
Carrington Dr. / Jerome Ave.
(39.40574, -76.40236)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Perry Hall, MD
Baltimore Co.
United States
Scott Moore Way / Honeygo Center Dr.
(39.40491, -76.44142)
Other
Existing
All-Way Yield
Unknown
3 Approaches
1 Driveways
0.0000
Other (At-Grade)
Single-Lane
Pedestrian access to central island.
Perry Hall, MD
Baltimore Co.
United States
Georgia Belle Dr. / Fragrence Way / Harcrest Way
(39.40467, -76.42700)
Other
Existing
All-Way Yield
Unknown
4 Approaches
4 Driveways
0.0000
Other (At-Grade)
Single-Lane
Martinsville, IN
Morgan Co.
United States
SR 39 (Morton Ave.) / I-69 SB Ramps / Rogers Rd.
(39.40439, -86.44597)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2021 I-69 freeway opened 12/23/2021 - see https://content.govdelivery.com/accounts/INDOT/bulletins/30250b9 ** Roundabout opened with temporary configuration while new southbound ramp construction is completed
Townsend, DE
New Castle Co.
United States
Karins Circle
(39.40433, -75.69677)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Perry Hall, MD
Baltimore Co.
United States
E Joppa Rd. / Scott Moore Way / Cowenton Ave.
(39.40290, -76.44124)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2008 Right-turn bypass lane on west leg.
Reno, NV
Washoe Co.
United States
SR 341 (Geiger Grade Rd.) / Veterans Pkwy. / (parking)
(39.40271, -119.74165)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
62.4840
Other (At-Grade)
Multilane (2 Lane, unspecified)
2011 Double left (left, left-through-right) on south leg; double right (left-through-right, right) on west leg.
Liberty Township, OH
Butler Co.
United States
Millikin Rd. / Pinckney Trl.
(39.40263, -84.43077)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2021
Martinsville, IN
Morgan Co.
United States
SR 39 / I-69 NB Ramps / Southview Dr.
(39.40262, -86.44528)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2021 Year Completed estimated (2020-2021). https://i69finishline.com/construction-schedule/.
Linganore, MD
Frederick Co.
United States
Finn Dr. / Douglas Ave. / Huckleberry Way
(39.40210, -77.29509)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Pedestrian access to central island. No splitter islands.
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, unspecified)
1998 Opened October 1998. Exit striping retrofitted to roundabout after opening. Hotdog/racetrack shape. ICD estimated from Google Maps linework. 21442
Liberty Township, OH
Butler Co.
United States
Millikin Rd. / Maud Hughes Rd.
(39.40153, -84.40943)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6837
Other (At-Grade)
Single-Lane
2013 ICD estimated from Google Maps linework.
Reno, NV
Washoe Co.
United States
Herz Blvd. / Summit Sierra Blvd.
(39.40118, -119.75215)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, unspecified)
2006 Concentric circulatory roadway striping. Year Completed estimated (2004-2006).
Carbondale, CO
Garfield Co.
United States
CO-133 / Main St.
(39.40113, -107.21968)
Roundabout
Existing
All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB)
4 Approaches
0 Driveways
42.4526
Other (At-Grade)
Multilane (2 Lane, unspecified)
2013 ICD estimated from Google Maps linework.
Liberty Township, OH
Butler Co.
United States
Yankee Rd. / Millikin Rd.
(39.40022, -84.38541)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.1471
Other (At-Grade)
Single-Lane
2018 ICD estimated from Google Maps linework.
Silver Springs, NV
Lyon Co.
United States
US 50 / USA Pkwy. / Opal Ave.
(39.40014, -119.26883)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
64.0080
Other (At-Grade)
Multilane (3+ Lane)
2017 Consecutive double-left turns.
Villages of Winterset, MD
Baltimore Co.
United States
Runnymeade Rd. / New Town Blvd. / Bon Haven Ln.
(39.39893, -76.81700)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Linganore, MD
Frederick Co.
United States
Lake Linganore Blvd. / Eaglehead Dr.
(39.39732, -77.31047)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
1 Driveways
0.0000
Other (At-Grade)
Single-Lane
2019 Year Completed estimated (2018-2022).
New Market, MD
Frederick Co.
United States
Eaglehead Dr. / Tomahawk St. / Fallfish Ct.
(39.39677, -77.30826)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0520
Other (At-Grade)
Multilane (2 Lane, unspecified)
2018 Year Completed estimated (2017-2018).
El Jebel, CO
Eagle Co.
United States
El Jebel Rd. / Shadow Rock Rd.
(39.39554, -107.08999)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
128.2910
Other (At-Grade)
Single-Lane
2017 https://www.aspentimes.com/news/el-jebel-road-roundabout-opens-saturday/ ICD estimated from Google Maps linework.
Frederick, MD
Frederick Co.
United States
Mercantile Dr. E / Rodes Cir.
(39.39507, -77.44311)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Brigantine, NJ
Atlantic Co.
United States
Brigantine Blvd. / Bayshore Ave. / 34th St. S / (unknown) / (parking lot)
(39.39482, -74.38953)
Other
Existing
Other
None
7 Approaches
0 Driveways
28.6120
Other (At-Grade)
Multilane (2 Lane, unspecified)
All entries except Brigantine Blvd controled by stop signs. ICD estimated from Google Maps linework.
Frederick, MD
Frederick Co.
United States
Jefferson Station Blvd. / Jefferson Commons Way
(39.39479, -77.44916)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2015 Year Completed estimated (2013-2015).
Liberty Township, OH
Butler Co.
United States
The Trails Blvd. / Kensington Trl. / Windsor Trl. / Cambridge Trl.
(39.39451, -84.34693)
Other
Existing
All-Way Stop
None
4 Approaches
0 Driveways
50.7634
Other (At-Grade)
Single-Lane
2002 Stop control; no splitter islands. ICD estimated from Google Maps linework.
Liberty Township, OH
Butler Co.
United States
Carriage House Blvd. / Thoroughbred Ln. / Winner Circle Dr.
(39.39434, -84.45087)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0730
Other (At-Grade)
Single-Lane
2014 ICD estimated from Google Maps linework.
New Market, MD
Frederick Co.
United States
Empire Blvd. / Edwardian Ln. / Jacobian Pl.
(39.39428, -77.29567)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Parking along circulatory roadway.
Owings Mills, MD
Baltimore Co.
United States
Painters Mill Rd. / Lyons Mill Rd.
(39.39425, -76.78747)
Other
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, unspecified)
New Market, MD
Frederick Co.
United States
Eaglehead Dr. / Pecking Stone St.
(39.39397, -77.30943)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
24.3840
Other (At-Grade)
Single-lane w/ Traversable Central Island
2016 Year Completed estimated (2015-2017).
Liberty Township, OH
Butler Co.
United States
Berkshire Pl. / Amberly Ct. / Wiltshire Ct.
(39.39282, -84.34687)
Other
Existing
All-Way Stop
None
4 Approaches
0 Driveways
27.6898
Other (At-Grade)
Single-Lane
2002 Stop control and no splitter islands. ICD estimated from Google Maps linework.
Owings Mills, MD
Baltimore Co.
United States
(unknown)
(39.39269, -76.78657)
Other
Existing
Unknown
Unknown
2 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Ballenger Creek, MD
Frederick Co.
United States
Jefferson Technology Pkwy. / (unknown)
(39.39256, -77.45666)
Unknown
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Ballenger Creek, MD
Frederick Co.
United States
Jefferson Technology Pkwy. / Jefferson Station Blvd.
(39.39223, -77.45291)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
42.6720
Other (At-Grade)
Multilane (2 Lane, unspecified)
2014 Year Completed estimated (2013-2015).
Castle Rock, CO
Douglas Co.
United States
Rising Sun Dr. / Autumn Sage St.
(39.39210, -104.82736)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
47.0731
Other (At-Grade)
Single-Lane
2005 Year Completed estimated (2004-2007). ICD estimated from Google Maps linework.
Owings Mills, MD
Baltimore Co.
United States
Ballard Green Dr. / Wilson Shannon Dr. / Julia Ln.
(39.39162, -76.80439)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2017 Year Completed estimated (2017-2018).
Liberty Twp, OH
Butler Co.
United States
Princeton Rd. / Yankee Rd.
(39.39133, -84.38398)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.9975
Other (At-Grade)
Single-Lane
2017 Opened in August 2017. ICD estimated from Google Maps linework.
Liberty Township, OH
Butler Co.
United States
Hughes Woods Ln. / Hughes Ridge Ln.
(39.39099, -84.40464)
Other
Existing
All-Way Yield
None
3 Approaches
0 Driveways
43.3818
Other (At-Grade)
Single-Lane
1998 No splitter islands. ICD estimated from Google Maps linework.
Linganore, MD
Frederick Co.
United States
Mussetter Rd. / Whiterose Dr. / Whiterose Way
(39.39008, -77.29747)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.1480
Other (At-Grade)
Single-Lane
2002 Painted splitter islands on three legs. Year Completed estimated (1988-2005).
Linganore, MD
Frederick Co.
United States
Old National Pike / Eaglehead Dr.
(39.38995, -77.31098)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
50.2920
Other (At-Grade)
Multilane (2 Lane, unspecified)
2008 South leg stubbed. Constructed initially as single-lane roundabout in 2007-2008. Expanded into two-lane roundabout 2016-2018.
Williamstown, WV
Wood Co.
United States
Highland Ave. (WV 14) / Williamstown Pike (WV 31)
(39.38888, -81.44158)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2020 https://www.newsandsentinel.com/news/local-news/2020/11/williamstown-roundabout-opens-to-traffic/ https://www.youtube.com/watch?v=iusQxGx9zLA
Basalt, CO
Eagle Co.
United States
Willits Ln. / E Valley Rd.
(39.38865, -107.08520)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.7680
Other (At-Grade)
Single-Lane
2011 https://www.aspentimes.com/news/willits-lane-roundabout-due-for-work/ https://www.gouldconstruction.com/willits-lane-east-valley-road-roundabout-2/ ICD estimated from Google Maps linework.
Pikesville, MD
Baltimore Co.
United States
Travertine Dr.
(39.38721, -76.68990)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Parking along circulatory roadway; pedestrian access to central island.
Liberty Township, OH
Butler Co.
United States
Princeton Rd. / Maud Hughes Rd.
(39.38674, -84.41100)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2023 This is Butler County's 41st roundabout. It opened November 16th, 2023. https://www.bceo.org/news/2023/03/princeton-rd-roundabout-bridge-construction-begins/
Castle Rock, CO
Douglas Co.
United States
Autumn Sage St. / Copper Cloud Dr. / Trail Stone Cir.
(39.38614, -104.82199)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
57.2310
Other (At-Grade)
Single-Lane
2005 Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Mount Washington, MD
Baltimore Co.
United States
Quarry Lake Dr. / Stone Cliff Dr.
(39.38398, -76.69603)
Other
Existing
Other
Unknown
2 Approaches
1 Driveways
0.0000
Other (At-Grade)
Single-Lane
Uncontrolled entry on southeast leg.
Frederick, MD
Frederick Co.
United States
Jefferson Pike (MD 180) / Mt Zion Rd.
(39.38286, -77.48054)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.9250
Other (At-Grade)
Single-Lane
2019 Opened August 2019. https://www.fredericknewspost.com/news/politics_and_government/public_safety/md-roundabout-opened/article_e67c26f7-ac5c-5931-b2e0-9e68faaa77d7.html ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States
N Rocky View Rd. / Valley View Rd. / High Point Rd.
(39.38189, -104.81125)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
62.4840
Other (At-Grade)
Single-Lane
2016 Year Completed estimated (2015-2017).
Ballenger Creek, MD
Frederick Co.
United States
Holiday Dr. / Spectrum Dr.
(39.38178, -77.40206)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
44.1960
Other (At-Grade)
Multilane (2 Lane, unspecified)
2008 Left turn lane trap in circulatory roadway.
Fairfield Township, OH
Butler Co.
United States
Hamilton Mason Rd. / Hancock Ave. / Grand Blvd. / Tuley Rd. / Tylersville Rd.
(39.38134, -84.53572)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2022 https://www.journal-news.com/news/five-points-roundabout-construction-to-happen-in-2022-in-hamilton/XYJYRDXKBVEK7DSQ7RPFT7RNFA/
Ijamsville, MD
Frederick Co.
United States
Royal Saint Andrews Pl. / Quail Creek Pl.
(39.38039, -77.30788)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Castle Rock, CO
Douglas Co.
United States
Autumn Sage St. / Valley View Dr.
(39.38026, -104.81919)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
62.4840
Other (At-Grade)
Single-Lane
2016 Year Completed estimated (2015-2017).
Hamilton, OH
Butler Co.
United States
Hamilton Mason Rd. / Hamilton Enterprise Park Dr. / Gilmore Rd.
(39.37927, -84.51743)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.6196
Other (At-Grade)
Single-Lane
2019 Existing Gilmore Road was relocated to align with existing Hamilton Enterprise Park Dr. A single-lane modern roundabout with 150' inscribed diameter. ICD estimated from Google Maps linework.
Mason, OH
Warren Co.
United States
Mason Montgomery Rd. / Bethany Rd.
(39.37924, -84.30723)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
49.8513
Other (At-Grade)
Single-Lane
2015 Right turn lanes on all approaches, expandable to 2 lanes. ICD estimated from Google Maps linework.
Sykesville, MD
Carroll Co.
United States
Smithfield Ave. / Warfield Ave.
(39.37673, -76.96410)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
47.0835
Other (At-Grade)
Multilane (2 Lane, unspecified)
2007 Elliptical shape. ICD estimated from Google Maps linework.
Castle Highlands, CO
Douglas Co.
United States
Wolfensberger Rd. / Plum Creek Pkwy. / Coachline Rd.
(39.37564, -104.88568)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
51.8160
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2018 Year Completed estimated (2017-2019).
Fairfield Township, OH
Butler Co.
United States
Hamilton Mason Rd. / Liberty Fairfield Rd.
(39.37527, -84.48046)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.6219
Other (At-Grade)
Single-Lane
2008 Since completion, has reduced accidents by 80%. Replaced two offset T intersections. Previously controlled by two-way stop Functional Class: Major Collector ICD estimated from Google Maps linework.
Liberty Township, OH
Butler Co.
United States
SR 129 / Cox Rd. / Veterans Blvd.
(39.37289, -84.36015)
Roundabout
Existing
All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB)
4 Approaches
0 Driveways
62.4840
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2022 New roundabout partially opened in November 2022. Full operation is scheduled in mid-December 2022. SR 129 highway was extended to Cox Road (local road) and new alignment (Veterans Blvd) was constructed to help alleviate traffic congestion and safety issues involving Liberty Way interchange with I-75.
Hamilton, OH
Butler Co.
United States
Hamilton Mason Rd. / LeSourdsville West Chester Rd.
(39.37223, -84.42497)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
40.6237
Other (At-Grade)
Single-Lane
2018 Opened August 2018. ICD estimated from Google Maps linework.