22662 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
Huntingtown, MD
Calvert Co.
United States
Mairfield Ln. / Liberty Ln. / Fairwood Dr.
(38.60411, -76.58464)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2014 Painted splitter islands added 2017.
Prince Frederick, MD
Calvert Co.
United States
Dares Beach Rd. / Armory Rd.
(38.54877, -76.58590)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2014
Prince Frederick, MD
Calvert Co.
United States
Prince Frederick Blvd. / Thoroughbred Dr. / Equestrian Way
(38.53171, -76.58916)
Other
Existing
Uncontrolled
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Kingston, ON
Frontenac
Canada
Cataraqui Wood Dr. / Holden St.
(44.26729, -76.58991)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
23.9470
Other (At-Grade)
Single-Lane
2013 ICD estimated from Google Maps linework.
Huntingtown, MD
Calvert Co.
United States
Barberry Dr. / Spears Rd. / Blueberry Ct.
(38.62290, -76.59347)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Pedestrian access to central island.
Friendship, MD
Anne Arundel Co.
United States
Solomons Island Rd. (MD 2) / Friendship Rd. (MD 261) / Sansbury Rd.
(38.73656, -76.59379)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.0594
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
Prince Frederick, MD
Calvert Co.
United States
Cambridge Pl. / Allnutt Ct. / (parking)
(38.54943, -76.59467)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Kingston, ON
Frontenac
Canada
Cataraqui Woods Dr. / Woodhaven Dr.
(44.26739, -76.59501)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
24.8022
Other (At-Grade)
Single-Lane
2013 ICD estimated from Google Maps linework.
Prince Frederick, MD
Calvert Co.
United States
Prince Frederick Blvd. / Chapline Place Blvd.
(38.55239, -76.59551)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1993-2003). Initially constructed as two-lane roundabout with concentric striped circulatory roadway. Converted to single-lane roundabout 2007-2009.
Huntingtown, MD
Calvert Co.
United States
Marley Run / Channel Ct. / Plainview Dr.
(38.60911, -76.59709)
Other
Existing
Uncontrolled
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Newfield Hamlet, NY
Tompkins Co.
United States
Elira Rd. (Rte 13) / Trumbull Corners Rd. (Rte 133)
(42.36021, -76.59969)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
32.6531
Other (At-Grade)
Single-Lane
2018 ICD estimated from Google Maps linework.
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
Prince Frederick, MD
Calvert Co.
United States
Frederick Blvd. / Auto Dr.
(38.56178, -76.60339)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2009 Year Completed estimated (2007-2009).
Dulaney Forest, MD
Baltimore Co.
United States
E Ridgely Rd. / Margate Rd.
(39.43199, -76.60754)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
19.8120
Other (At-Grade)
Single-Lane
2013 No raised splitter islands on side street. Year Completed estimated (2012-2014).
Baltimore, MD
Baltimore City Co.
United States
Guilford Ave. / 22nd St.
(39.31441, -76.61263)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
6.4682
Other (At-Grade)
Single-lane w/ Traversable Central Island
2012 ICD estimated from Google Maps linework.
Baltimore, MD
Baltimore City Co.
United States
Guilford Ave. / E 24th St.
(39.31650, -76.61276)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
9.2400
Other (At-Grade)
Single-lane w/ Traversable Central Island
2012 ICD estimated from Google Maps linework.
Owings, MD
Calvert Co.
United States
Cross Point Dr. / Paulyn Dr.
(38.71532, -76.61335)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Baltimore, MD
Baltimore City Co.
United States
Guilford Ave. / E 32nd St.
(39.32703, -76.61345)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-lane w/ Traversable Central Island
2012
Owings, MD
Calvert Co.
United States
Cross Point Dr. / Blue Sky Ct. / Bear Claw Ct.
(38.71468, -76.61554)
Other
Existing
Unknown
Unknown
3 Approaches
4 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Huntingtown, MD
Calvert Co.
United States
Lorins Dr. / Cambridge Dr. / Stephanies Ln.
(38.60541, -76.61564)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands; pedestrian access to central island.
Lothian, MD
Anne Arundel Co.
United States
MD 2 / MD 408 / MD 422
(38.82973, -76.61590)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.8423
Other (At-Grade)
Single-Lane
1995 Completed October 1995. ICD estimated from Google Maps linework.
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
Baltimore, MD
Baltimore City Co.
United States
Canterbury Rd. / W 39th St.
(39.33569, -76.62047)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
16.6275
Other (At-Grade)
Single-lane w/ Traversable Central Island
2013 ICD estimated from Google Maps linework.
Owings, MD
Calvert Co.
United States
Good Shepherd Way / Megatha Ln.
(38.71846, -76.62480)
Other
Existing
Uncontrolled
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Hershey, PA
Dauphin Co.
United States
SR 322 / Meadow Ln
(40.27467, -76.62551)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.0936
Other (At-Grade)
Single-Lane
2016 ICD estimated from Google Maps linework.
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
34.1385
Other (At-Grade)
Multilane (2 Lane)
1999 Mini-roundabout. Double-lane circulatory roadway across northern half. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Cockeysville, MD
Baltimore Co.
United States
Lord Byron Ln. / Duke of York Ln.
(39.46487, -76.63164)
Other
Existing
Unknown
Unknown
3 Approaches
1 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Hershey, PA
Dauphin Co.
United States
SR 322 / Homestead Ln
(40.27526, -76.63332)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.4484
Other (At-Grade)
Single-Lane
2016 ICD estimated from Google Maps linework.
Prince Frederick, MD
Calvert Co.
United States
Skipjack Rd. / Ketch Rd.
(38.51100, -76.64140)
Unknown
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane)
Baltimore, MD
Baltimore City Co.
United States
Wilkens Ave / Mount St / Ramsey St
(39.28325, -76.64332)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
31.4310
Other (At-Grade)
Single-Lane
2001 Completed prior to 2002 ICD estimated from Google Maps linework.
Glen Burnie, MD
Anne Arundel Co.
United States
George Clausse Blvd. / (parking access)
(39.14768, -76.64935)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.3442
Other (At-Grade)
Single-Lane
2008 RT lanes on eastbound and northbound approaches. Part of shopping center. ICD estimated from Google Maps linework.
Gambrills, MD
Anne Arundel Co.
United States
2498 Mt Tabor Rd
(38.99855, -76.66414)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
22.2765
Other (At-Grade)
Single-Lane
2007 ICD estimated from Google Maps linework.
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
Crofton, MD
Anne Arundel Co.
United States
Cardinal Crest Dr. / Hallwood Ct. / Dalewood Ct. / Thornbury Ct.
(38.99364, -76.67343)
Other
Existing
Other
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Mix of stop and uncontrolled; no splitter islands.
Williamsburg, VA
Williamsburg City Co.
United States
Battery Blvd. / Redoubt Rd.
(37.25003, -76.67504)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2013 Year Completed estimated (2011-2014) as three-leg roundabout.
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
Baltimore, MD
Baltimore City Co.
United States
Old Frederick Road / Maple Wood Road
(39.29094, -76.69283)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.8815
Other (At-Grade)
Single-Lane
2013 4th leg not built yet - for future development ICD estimated from Google Maps linework.
Hanover, MD
Anne Arundel Co.
United States
Ridge Rd. / Corporate Center Dr.
(39.19204, -76.70216)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
31.4719
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Odenton, MD
Anne Arundel Co.
United States
Piney Station Way / Black Oak Way / Barred Owl Way
(39.05532, -76.70351)
Other
Existing
Uncontrolled
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Bowie, MD
Prince George's Co.
United States
Melford Blvd. / Curie Dr.
(38.95842, -76.70683)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
78.9406
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
Odenton, MD
Anne Arundel Co.
United States
Strawberry Lake Way / Field Farm Way / Found Artifact Ct.
(39.05052, -76.70858)
Other
Existing
Other
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Oval shaped. Mix of stop and yield control.
Elkridge, MD
Howard Co.
United States
Toomey Ln. / Fairlee Rd.
(39.21083, -76.71160)
Roundabout
Existing
All-Way Yield
None
3 Approaches
2 Driveways
27.4320
Other (At-Grade)
Single-Lane
2002
Bowie, MD
Prince George's Co.
United States
Melford Blvd. / Science Dr.
(38.96089, -76.71320)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
43.6480
Other (At-Grade)
Multilane (2 Lane)
2008 Concentric striping in circulatory roadway. ICD estimated from Google Maps linework.
Catonsville, MD
Baltimore Co.
United States
Hilltop Cir. / UMBC Blvd.
(39.25178, -76.71442)
Rotary
Existing
All-Way Yield
None
4 Approaches
0 Driveways
60.1156
Other (At-Grade)
Multilane (2 Lane)
2015 Lane changes needed for some through movements. ICD estimated from Google Maps linework.
Catonsville, MD
Baltimore Co.
United States
UMBC Blvd. / Research Park Dr.
(39.24874, -76.71580)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
44.3950
Other (At-Grade)
Single-Lane
2015 Elliptical shape. ICD estimated from Google Maps linework.
Odenton, MD
Anne Arundel Co.
United States
Piney Orchard Pkwy. / Roaming Ridge Way / Village Center Dr.
(39.06702, -76.71951)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
50.2920
Other (At-Grade)
Multilane (2 Lane)
2003 Year Completed estimated (2002-2004).
Catonsville, MD
Baltimore Co.
United States
MD 372 / Hilltop Rd. / Entrance to UMBC
(39.25733, -76.71964)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.1417
Other (At-Grade)
Single-Lane
1998 Functional Class: Collector ICD estimated from Google Maps linework.
Elkridge, MD
Howard Co.
United States
Elkridge Crossing Way / Doctor Patel Dr.
(39.21091, -76.72512)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
31.4634
Other (At-Grade)
Single-Lane
2007 East leg stubbed for future. ICD estimated from Google Maps linework.
Hanover, MD
Anne Arundel Co.
United States
Watts Ave. / Clark Rd.
(39.15138, -76.72638)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
25.9330
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
Clements, MD
St. Mary's Co.
United States
MD 242 (Colton Point Rd.) / MD 234 (Budds Creek Rd.)
(38.32656, -76.72755)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
31.8559
Other (At-Grade)
Single-Lane
2017 https://www.somdnews.com/enterprise/spotlight/clements-roundabout-intersection-open-with-improvements-for-tractors/article_05f0355a-245a-5018-b4e6-79b0c5866ed8.html ICD estimated from Google Maps linework.
Upper Marlboro, MD
Prince George's Co.
United States
Moores Plains Blvd. / Buxton Pl.
(38.85826, -76.73014)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Upper Marlboro, MD
Prince George's Co.
United States
Moores Plains Blvd. / Bishopstone Terrace
(38.85575, -76.73096)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Upper Marlboro, MD
Prince George's Co.
United States
Moores Plains Blvd. / Copper Beach Dr.
(38.85458, -76.73266)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Upper Marlboro, MD
Prince George's Co.
United States
Moores Plains Blvd. / Humberside Way
(38.85198, -76.73522)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Upper Marlboro, MD
Prince George's Co.
United States
Beech Tree Pkwy. / Moores Plains Blvd. / (parking)
(38.84933, -76.73622)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Hanover, MD
Anne Arundel Co.
United States
Arundel Mills Blvd. / MD 295 NB Ramps
(39.15573, -76.74459)
Roundabout
Removed
All-Way Yield
None
3 Approaches
0 Driveways
26.8575
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2002 ICD estimated from Google Maps linework.
Hanover, MD
Anne Arundel Co.
United States
Arundel Mills Blvd. / MD 295 SB Ramps
(39.15677, -76.74617)
Roundabout
Removed
All-Way Yield
None
2 Approaches
0 Driveways
66.6797
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2002 ICD estimated from Google Maps linework.
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
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).
Windsor Mill, MD
Baltimore Co.
United States
Lord Baltimore Dr. / Wildlife Dr.
(39.31993, -76.75019)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
14.7833
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1993-2002). ICD estimated from Google Maps linework.
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).
Williamsburg, VA
James City Co.
United States
Longhill Rd. / Williamsburg Plantation Dr.
(37.30395, -76.75083)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane)
2021
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
Windsor Mill, MD
Baltimore Co.
United States
Lord Baltimore Dr. / Glen Spring Rd. / Kettle Ct.
(39.31750, -76.75152)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
17.5558
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1993-2002). ICD estimated from Google Maps linework.
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
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
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).
Jessup, MD
Anne Arundel Co.
United States
National Business Pkwy. / Brock Bridge Rd.
(39.14025, -76.76395)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
44.4636
Other (At-Grade)
Multilane (2 Lane)
2013 ICD estimated from Google Maps linework.
Reisterstown, MD
Baltimore Co.
United States
Worthington Ave. / Greenspring Ave. / Tufton Ave.
(39.47691, -76.76508)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.1095
Other (At-Grade)
Multilane (2 Lane)
2017 ICD estimated from Google Maps linework.
Catonsville, MD
Baltimore Co.
United States
Edmundson Avenue / Old Frederick Road
(39.27533, -76.76612)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
20.3400
Other (At-Grade)
Single-Lane
2010 ICD estimated from Google Maps linework.
Jessup, MD
Howard Co.
United States
Canine Rd. / MD 32 EB Ramps
(39.10101, -76.76953)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.0005
Freeway Ramps (Grade-Separated)
Single-Lane
2001 ICD estimated from Google Maps linework.
Williamsburg, VA
James City Co.
United States
Colonial Heritage Blvd. / Harrington Commons / Chapel Xing
(37.34606, -76.77094)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
74.0590
Other (At-Grade)
Single-Lane
2005 ICD estimated from Google Maps linework.
Odessa, ON
Lennox and Addington
Canada
CR 2 / CR 4
(44.26179, -76.77489)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
38.4898
Other (At-Grade)
Single-Lane
2009 ICD estimated from Google Maps linework.
Davidsonville Historic District, MD
Prince George's Co.
United States
Cameron Grove Blvd. / New Acadia Ln.
(38.89933, -76.77575)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Willamsburg, VA
James City Co.
United States
Saunders Bridge / S Square / River Moor / Poggio Field
(37.25970, -76.77789)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
33.2698
Other (At-Grade)
Single-Lane
2007 No splitter islands. Uncertain traffic control. ICD estimated from Google Maps linework.
Hughesville, MD
Charles Co.
United States
MD 231 / MD 5 NB Ramps
(38.53426, -76.77790)
Roundabout
Existing
Unknown
Unknown
3 Approaches
0 Driveways
54.1863
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2005 ICD estimated from Google Maps linework.
Hughesville, MD
Charles Co.
United States
MD 231 / MD 5 SB Ramps
(38.53381, -76.77969)
Roundabout
Existing
Unknown
Unknown
3 Approaches
0 Driveways
58.8579
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2005 ICD estimated from Google Maps linework.
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)
2014 Year Completed estimated (2011-2014).
Oak Grove, MD
Prince Georges Co.
United States
MD 193 (Watkins Park Dr.) / Oak Grove Rd.
(38.87737, -76.78108)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.1207
Other (At-Grade)
Single-Lane
2001 ICD estimated from Google Maps linework.
Chaptico, MD
St. Marys Co.
United States
MD 234 / MD 238
(38.36791, -76.78179)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
35.5833
Other (At-Grade)
Single-Lane
2007 ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States
MD 103 / MD 100 EB Ramps
(39.20733, -76.78243)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
30.5396
Freeway Ramps (Grade-Separated)
Single-Lane
1998 Opened November 1998. ICD estimated from Google Maps linework.
Williamsburg, VA
James City Co.
United States
Fords Colony Dr. / St. Andrews Dr.
(37.30351, -76.78289)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
66.5009
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States
MD 103 / MD 100 WB Ramps
(39.20846, -76.78294)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
33.3154
Freeway Ramps (Grade-Separated)
Single-Lane
1998 Opened November 1998. ICD estimated from Google Maps linework.
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.
Annapolis Junction, MD
Anne Arundel Co.
United States
Guilford Rd. / MD 32 WB Ramps
(39.12294, -76.78472)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
32.4293
Freeway Ramps (Grade-Separated)
Single-Lane
2002 Bypass lanes on all legs. ICD estimated from Google Maps linework.
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.
Horseheads, NY
Chemung Co.
United States
Rte 13 / Old Ithaca Rd. / Breesport Rd.
(42.18851, -76.79076)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
29.2025
Other (At-Grade)
Single-Lane
2012 ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States
College Ave. / Bending Sky Way
(39.25754, -76.79122)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
26.8186
Other (At-Grade)
Single-Lane
2012 ICD estimated from Google Maps linework.
Lingelstown, PA
Dauphin Co.
United States
Lingelstown Rd. / N. Mountain Rd.
(40.34341, -76.79206)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
20.9367
Other (At-Grade)
Single-Lane
2011 Previously controlled by two-way stop ICD estimated from Google Maps linework.
Elmira, NY
Chemung Co.
United States
Maple Ave. / Horner St.
(42.08282, -76.79445)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
17.7281
Other (At-Grade)
Single-lane w/ Traversable Central Island
2012 Year completed estimated (2011-2013). ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States
Snowden River Pkwy. / MD 100 WB Ramps
(39.21233, -76.79544)
Roundabout
Existing
All-Way Yield
Metering Signal
3 Approaches
0 Driveways
25.9105
Freeway Ramps (Grade-Separated)
Single-Lane
1998 Opened November 1998. Metering signal on Snowden River Pkwy approach. ICD estimated from Google Maps linework.
Elmira, NY
Chemung Co.
United States
Maple Ave. / Caldwell Ave.
(42.08399, -76.79589)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
8.8639
Other (At-Grade)
Single-lane w/ Traversable Central Island
2012 Year completed estimated (2011-2013). ICD estimated from Google Maps linework.
Lingelstown, PA
Dauphin Co.
United States
Lingelstown Rd. / Blue Mountain Pkwy.
(40.34253, -76.79711)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
24.5782
Other (At-Grade)
Single-Lane
2011 Previously controlled by two-way stop 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).
Horseheads, NY
Chemung Co.
United States
Rte 13 / E. Franklin St.
(42.16756, -76.80553)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
32.7531
Other (At-Grade)
Single-Lane
2012 ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States
MD 104 (Waterloo Rd.) / MD 100 WB Ramps
(39.22470, -76.80600)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
37.0085
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
1999 ICD estimated from Google Maps linework.
Long Reach, MD
Howard Co.
United States
Shining Oceans Way / Dried Earth Blvd.
(39.18977, -76.80673)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Lake Arbor, MD
Prince George's Co.
United States
Lake Arbor Way / Congressional Ct.
(38.90201, -76.80962)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Elmira, NY
Chemung Co.
United States
N Main St. / Park Pl. / W 3rd St.
(42.09278, -76.80993)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
33.6780
Other (At-Grade)
Single-Lane
2019 https://www.mytwintiers.com/local-news-3/elmira-cultural-connectors-ribbon-cutting-took-place-and-the-roundabout-is-officially-open/ ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States
Golden Straw Ln. / Davis Rd.
(39.21597, -76.81084)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-lane w/ Traversable Central Island
2000 Completed April 28, 2000. Pedestrian ramps into circulatory roadway.