28735 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.


Search
Advanced Search Export as KML
City, State
County
Country
Intersection
(Lat, Lng)
Type
Status
Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType
Year Completed Comments
Temple Hills, MD
Prince Georges Co.
United States
MD 637 (Naylor Rd.) / Oxon Run Dr.
(38.84986, -76.95789)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.4150
Other (At-Grade)
Single-Lane
2001 ICD estimated from Google Maps linework.
Castle Marina, MD
Queen Annes Co.
United States
MD 18 / Castle Marina Rd.
(38.97871, -76.28938)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.7819
Other (At-Grade)
Single-Lane
1999 Previously controlled by two-way stop ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States
Sugarloaf Pkwy. / Denison St.
(39.33490, -77.34180)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
36.9503
Other (At-Grade)
Multilane (2 Lane, unspecified)
2000 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States
Bennett Creek Ave. / Bennett Creek Blvd.
(39.32256, -77.34935)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
37.8808
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States
MD 355 / Sugarloaf Pkwy.
(39.32862, -77.35193)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.8013
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States
MD 355 / Sprigg St.
(39.33070, -77.35654)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.4954
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States
Bush Creek Dr. / Major Smith Ln.
(39.33507, -77.35263)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.6364
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States
Bennett Creek Ave. / Bennett Creek Rd.
(39.32223, -77.35181)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.2613
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Greenbelt, MD
Prince Georges Co.
United States
Hanover Pkwy. / Village Park Dr. / Schrom Hills Community Park entrance
(38.98378, -76.87333)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
19.4960
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1994-2001). ICD estimated from Google Maps linework.
Abingdon, MD
Harford Co.
United States
Tollgate Rd. / Singer Rd.
(39.47828, -76.32727)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.8121
Other (At-Grade)
Single-Lane
1998 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Fountain Green, MD
Harford Co.
United States
Prospect Mill Rd. / Wagner Rd.
(39.55824, -76.30247)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
31.3072
Other (At-Grade)
Single-Lane
2002 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 Functional Class: Collector ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States
Moores Mill Rd. / Brushing Ln.
(39.54368, -76.32365)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.6298
Other (At-Grade)
Single-Lane
2001 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Frogtown, MD
Harford Co.
United States
Mardic Dr. / Willrich Ct.
(39.57178, -76.37160)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
31.3011
Other (At-Grade)
Single-Lane
2001 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States
Virginia Ave. / Memorial Blvd. / Prospect St. / Key St.
(39.63728, -77.72873)
Other
Existing
Other
None
0 Approaches
0 Driveways
36.7900
Other (At-Grade)
Unknown
ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States
E. Irvin Ave. / Mealey Pkwy.
(39.65536, -77.70186)
Other
Existing
All-Way Stop
None
0 Approaches
0 Driveways
37.6999
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States
E. Irvin Ave. / View St. / Valleybrook Dr.
(39.65536, -77.70058)
Other
Existing
All-Way Stop
None
0 Approaches
0 Driveways
31.2633
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States
E. Magnolia Ave. / Mealey Pkwy.
(39.65762, -77.70140)
Other
Existing
All-Way Stop
None
0 Approaches
0 Driveways
32.1818
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States
E. Magnolia Ave. / E. Irvin Ave.
(39.65722, -77.69958)
Other
Existing
All-Way Stop
None
0 Approaches
0 Driveways
27.5846
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Gaithersburg, MD
Montgomery Co.
United States
Kentlands Blvd. / Main St.
(39.12333, -77.23855)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
1994 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States
Kentlands Blvd. / Market St.
(39.12309, -77.23489)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.1480
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
1994 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States
Orchard Ridge Dr. / Mill Green Ave.
(39.12559, -77.22635)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
37.9872
Other (At-Grade)
Multilane (2 Lane, unspecified)
2002 ICD estimated from Google Maps linework.
Gaithersburg, MD
Montgomery Co.
United States
Winter Walk Dr. / Highland Ridge Ave.
(39.12807, -77.22692)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.2800
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1993-2002). Was cul-de-sac prior to addition of two more legs. 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, unspecified)
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, unspecified)
2002 Lanes reduced in 2010. 21442
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, unspecified)
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, unspecified)
2002 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.
Mount Aetna, MD
Washington Co.
United States
MD 66 (Mapleville Rd.) / Mount Aetna Rd.
(39.60243, -77.62425)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
44.1703
Other (At-Grade)
Single-Lane
2002 ICD estimated from Google Maps linework.
Scaggsville, MD
Howard Co.
United States
Hopkins-Gorman Rd. / US 29 NB Ramps
(39.15846, -76.88660)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
59.2695
Other (At-Grade)
Multilane (2 Lane, unspecified)
2002 ICD estimated from Google Maps linework.
Stevensville, MD
Queen Annes Co.
United States
Thompson Creek Rd. / US 50 EB Ramps
(38.97599, -76.31046)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
16.7127
Freeway Ramps (Grade-Separated)
Single-lane w/ Traversable Central Island
2007 Mini-roundabout. ICD estimated from Google Maps linework.
Burtonsville, MD
Montgomery Co.
United States
Dustin Rd. / US 29 SB Offramp / Columbia Pike
(39.12256, -76.92656)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
43.5482
Freeway Ramps (Grade-Separated)
Single-Lane
2006 Fatal crash October 14, 2007.: http://www.fredericknewspost.com/sections/news/display.htm?StoryID=66411. 11861-05. ICD estimated from Google Maps linework.
Cumberland, MD
Allegany Co.
United States
Willow Brook Rd. / (Western Maryland Regional Medical Center - south entrance)
(39.64659, -78.73184)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.7851
Other (At-Grade)
Single-Lane
2008 Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Cumberland, MD
Allegany Co.
United States
Willow Brook Rd. / (Western Maryland Regional Medical Center - north entrance)
(39.64875, -78.73164)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.0251
Other (At-Grade)
Single-Lane
2008 Year Completed estimated (2008-2009). ICD estimated from Google Maps linework.
Point of Rocks, MD
Frederick Co.
United States
US 15 / Point of Rocks Rd.
(39.28643, -77.53096)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
47.1443
Other (At-Grade)
Multilane (2 Lane, unspecified)
2008 ICD estimated from Google Maps linework.
Bel Air South, MD
Harford Co.
United States
S Tollgate Rd. / Plumtree Rd.
(39.50070, -76.33349)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
31.3332
Other (At-Grade)
Single-Lane
2016 ICD estimated from Google Maps linework.
Bel Air South, MD
Harford Co.
United States
S Tollgate Rd. / W Ring Factory Rd.
(39.50873, -76.34550)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
28.5652
Other (At-Grade)
Single-Lane
2006 Year Completed estimated (2005-2007). ICD estimated from Google Maps linework.
Bel Air South, MD
Harford Co.
United States
Abingdon Rd. / Dunbarton Dr. / Box Hill S Pkwy.
(39.47491, -76.30092)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
25.8134
Other (At-Grade)
Single-Lane
2006 Year Completed estimated (2005-2007). ICD estimated from Google Maps linework.
Bel Air North, MD
Harford Co.
United States
Moores Mill Rd. / Southampton Rd.
(39.54847, -76.33536)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
27.6279
Other (At-Grade)
Single-Lane
2010 ICD estimated from Google Maps linework.
Kingsville, MD
Baltimore Co.
United States
MD 147 (Harford Rd.) / Glen Arm Rd. / Mt Vista Rd.
(39.46045, -76.45652)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0397
Other (At-Grade)
Single-Lane
2018 https://www.baltimoresun.com/maryland/harford/aegis/ph-ag-harford-road-roundabout-20180102-story.html 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.
Hagerstown, MD
Washington Co.
United States
MD 144 (W Washington St.) / Western Maryland Pkwy.
(39.64883, -77.75049)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.7839
Other (At-Grade)
Single-Lane
2015 https://www.wcbcradio.com/?archiv=new-roundabout-near-hagerstown ICD estimated from Google Maps linework.
Princess Anne, MD
Somerset Co.
United States
MD 822 (UMES Blvd.-Hickory Rd.) / MD 675 (Somerset Ave.)
(38.21930, -75.69592)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.4712
Other (At-Grade)
Single-Lane
2015 https://www.delmarvanow.com/story/news/local/maryland/2014/11/24/roundabout-umes-boulevard/70053440/ ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States
MD 7 (Philadelphia Rd.) / Seven Trails Dr. / (unknown)
(39.48874, -76.22404)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
46.0861
Other (At-Grade)
Multilane (2 Lane, unspecified)
2017 ICD estimated from Google Maps linework.
Appleton, MD
Cecil Co.
United States
MD 273 (Telegraph Rd.) / Appleton Rd.
(39.69858, -75.81417)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.7574
Other (At-Grade)
Single-Lane
2016 https://www.cecildaily.com/business/construction-to-begin-on-two-roundabouts/article_a86c04d1-1da8-5e3a-927a-8f05b09e6c57.html ICD estimated from Google Maps linework.
Elkton, MD
Cecil Co.
United States
MD 281 (Red Hill Rd.) / Muddy Ln. / Kemp Ln.
(39.61811, -75.79733)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
37.7202
Other (At-Grade)
Single-Lane
2018 Year Completed estimated (2017-2018) (streetview). ICD estimated from Google Maps linework.
Cambridge, MD
Dorchester Co.
United States
MD 16 (Church Creek Rd.) / Woods Rd.
(38.54624, -76.06411)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
37.3636
Other (At-Grade)
Single-Lane
2017 https://www.myeasternshoremd.com/dorchester_star/news/roundabout-opens-at-route-and-woods-road/article_b39ae088-8f81-51a4-8dc8-94e149da66e8.html ICD estimated from Google Maps linework.
West Friendship, MD
Howard Co.
United States
Burntwoods Rd. / Andrea Dr. / MD 32 NB Ramps
(39.27321, -76.98627)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
35.1338
Freeway Ramps (Grade-Separated)
Single-Lane
2008 ICD estimated from Google Maps linework.
Glenelg, MD
Howard Co.
United States
Burntwoods Rd. / Ten Oaks Rd.
(39.27315, -76.98805)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.9075
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
Glenelg, MD
Howard Co.
United States
Ten Oaks Rd. / Pfefferkorn Rd. / MD 32 SB Ramps
(39.27615, -76.98641)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
32.3587
Freeway Ramps (Grade-Separated)
Single-Lane
2008 ICD estimated from Google Maps linework.
Glenwood, MD
Howard Co.
United States
Burntwoods Rd. / Sharp Rd.
(39.27702, -77.00369)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
29.5847
Other (At-Grade)
Single-Lane
2006 Adjacent to Glenelg High School. ICD estimated from Google Maps linework.
Hickory, MD
Harford Co.
United States
Water Tower Way / Granary Rd.
(39.56845, -76.35713)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
22.0960
Other (At-Grade)
Single-Lane
2017 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, unspecified)
2017 ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States
Frederick St. / Funkstown Bypass
(39.61505, -77.71147)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
40.4820
Other (At-Grade)
Unknown
2018 ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States
E Oak Ridge Dr. / Villa Ridge Dr. / Southern Blvd. (Funkstown Bypass)
(39.61177, -77.72042)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
48.7647
Other (At-Grade)
Single-Lane
2018 ICD estimated from Google Maps linework.
Frederick, MD
Frederick Co.
United States
Ballenger Creek Pike (MD 351) / Elmer Derr Rd. / English Muffin Way
(39.36625, -77.45071)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.8571
Other (At-Grade)
Single-Lane
2012 Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Knoxville, MD
Frederick Co.
United States
Burkittsville Rd. (MD 17) / US 340 WB Ramps
(39.34056, -77.64052)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
37.8710
Freeway Ramps (Grade-Separated)
Single-Lane
2010 Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Lusby, MD
Calvert Co.
United States
HG Trueman Rd. (MD 765) / / Southern Connector Blvd.
(38.36413, -76.44936)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
49.6319
Other (At-Grade)
Multilane (2 Lane, unspecified)
2008 Looks like it's being finished up in Oct 2008 on streetview. ICD estimated from Google Maps linework.
Lusby, MD
Calvert Co.
United States
Rousby Hall Rd. (MD 760) / Southern Connector Blvd. / Olivet Rd.
(38.35629, -76.43310)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5256
Other (At-Grade)
Single-Lane
2006 Year Completed estimated (2005-2007). ICD estimated from Google Maps linework.
Abingdon, MD
Harford Co.
United States
Tewkesbury Rd. / Shrewsbury Rd.
(39.45775, -76.27273)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
49.7952
Other (At-Grade)
Single-Lane
2003 Year Completed estimated (2003-2004). http://onlinepubs.trb.org/Onlinepubs/circulars/ec083/68_Statmeyerpaper.pdf ICD estimated from Google Maps linework.
College Park, MD
Prince George's Co.
United States
River Rd. / University Research Ct. / Haig Dr.
(38.96838, -76.92358)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.0005
Other (At-Grade)
Multilane (2 Lane, unspecified)
2013 Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
College Park, MD
Prince George's Co.
United States
Campus Dr. / Regents Dr.
(38.98762, -76.94019)
Other
Existing
Other
Unknown
4 Approaches
0 Driveways
58.4848
Other (At-Grade)
Multilane (2 Lane, unspecified)
Mix of Yield and Stop signs (3 Yields; 1 Stop) at approaches. ICD estimated from Google Maps linework.
Sykesville, MD
Carroll Co.
United States
Old Washington Rd. (MD 97) / W Old Liberty Rd.
(39.42906, -77.00755)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.1330
Other (At-Grade)
Single-Lane
2000 Year Completed estimated (1995-2005). ICD estimated from Google Maps linework.
Frederick, MD
Frederick Co.
United States
Fingerboard Rd. (MD 80) / I-270 SB Ramps
(39.32289, -77.35845)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
47.1198
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2009 ICD estimated from Google Maps linework.
Clarksburg, MD
Montgomery Co.
United States
Little Seneca Pkwy. / Snowden Farm Pkwy.
(39.22989, -77.25280)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.6795
Other (At-Grade)
Multilane (2 Lane, unspecified)
2012 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Clarksburg, MD
Montgomery Co.
United States
Snowden Farm Pkwy. / Winding Woods Way
(39.22604, -77.24727)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.7086
Other (At-Grade)
Multilane (2 Lane, unspecified)
2012 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Clarksburg, MD
Montgomery Co.
United States
Little Seneca Pkwy. / Meadow Mist Rd.
(39.23154, -77.24309)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.5290
Other (At-Grade)
Single-Lane
2011 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States
Beards Hill Rd. / Middleton Rd. / Olympic Square
(39.52719, -76.17773)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.6364
Other (At-Grade)
Single-Lane
2019 https://www.baltimoresun.com/maryland/harford/aegis/cng-ag-aberdeen-roundabout-opens-0927-20190926-2itkrrn43jctnkw2ch6et7ky7m-story.html ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States
Old Philadelphia Rd. (MD 7) / Perryman Rd. (MD 159)
(39.48791, -76.19155)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
37.7911
Other (At-Grade)
Single-Lane
2019 https://www.facebook.com/pg/Harford-County-Roundabouts-308793279204833/posts/ ICD estimated from Google Maps linework.
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.
Bethesda, MD
Montgomery Co.
United States
Bradmoor Dr. / Roosevelt St.
(38.99427, -77.11925)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
21.3360
Other (At-Grade)
Single-Lane
2017 Year Completed estimated (2016-2018).
Clarksburg, MD
Montgomery Co.
United States
Clarksburg Rd. (MD 121) / (outlet mall entrance)
(39.22844, -77.28869)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
49.9588
Other (At-Grade)
Multilane (2 Lane, unspecified)
2015 ICD estimated from Google Maps linework.
Clarksburg, MD
Montgomery Co.
United States
Clarksburg Rd. (MD 121) / Cabin Branch Ave.
(39.22689, -77.29051)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
46.2592
Other (At-Grade)
Multilane (2 Lane, unspecified)
2015 ICD estimated from Google Maps linework.
Gaithersburg, MD
Montgomery Co.
United States
Victory Farm Dr. / Girard St.
(39.14648, -77.18493)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.9348
Other (At-Grade)
Multilane (2 Lane, unspecified)
2006 Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Chillum, MD
Prince George's Co.
United States
Oglethorpe St. / 20th Ave.
(38.96225, -76.97495)
Other
Existing
Unknown
Unknown
2 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Abingdon, MD
Harford Co.
United States
Laurel Bush Rd. / E Wheel Rd.
(39.49411, -76.31652)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2010 Year Completed estimated (2009-2011).
Grantsville, MD
Garrett Co.
United States
US 219 (Chestnut Ridge Rd.) / Business US 219 (Chestnut Ridge Rd.) / I-68 WB Ramps
(39.69019, -79.10431)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2021 https://mdot-sha-us219-i68-to-old-salisbury-rd-ga6465270-maryland.hub.arcgis.com/
Grantsville, MD
Garrett Co.
United States
US 219 (Chestnut Ridge Rd.) / I-68 EB Ramps
(39.68842, -79.10538)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2021 https://mdot-sha-us219-i68-to-old-salisbury-rd-ga6465270-maryland.hub.arcgis.com/
Salisbury, MD
Wicomico Co.
United States
Marquis Ave. / Jim Morton Dr.
(38.39154, -75.61826)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Salisbury, MD
Wicomico Co.
United States
Marquis Ave. / Victoria Park Dr.
(38.39301, -75.61582)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Salisbury, MD
Wicomico Co.
United States
Clocktower Circle
(38.35831, -75.63787)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Salisbury, MD
Wicomico Co.
United States
Oakside Circle
(38.33106, -75.60338)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Fruitland, MD
Wicomico Co.
United States
Porter Pkwy. / Lena Ln.
(38.31160, -75.60578)
Other
Existing
Unknown
Unknown
3 Approaches
1 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Fruitland, MD
Wicomico Co.
United States
Chelsea Ann Ln.
(38.30963, -75.61094)
Other
Existing
Unknown
Unknown
2 Approaches
2 Driveways
0.0000
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
Amber Dr. / Campus Dr.
(39.44702, -77.42000)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, unspecified)
2013 Year Completed estimated (2013-2015). Mismatch between approach lane designations and circulatory roadway striping. Inside lane from east leg must make U-turn unless the driver changes lanes.
Clarksville, MD
Howard Co.
United States
Northern Bell Way / Bee Frances Way / Catherine Close Rd.
(39.23232, -76.97091)
Other
Existing
Unknown
Unknown
3 Approaches
1 Driveways
0.0000
Other (At-Grade)
Single-Lane
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).
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.
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.
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).
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.
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
Manchester, MD
Carroll Co.
United States
Fridinger Mill Rd. / Millie Way / Hallie Ave.
(39.67369, -76.89427)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
24.3840
Other (At-Grade)
Single-Lane
Painted splitter islands on three legs; no splitter island on fourth leg.
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.
Clarksville, MD
Howard Co.
United States
Running Fence Ln. / Preakness Circle Ln.
(39.22640, -76.94374)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2010
Clarksville, MD
Howard Co.
United States
Preakness Circle Ln. / Watkins Bridge Ln.
(39.22880, -76.94308)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
30.4800
Other (At-Grade)
Single-Lane
2010
Clarksville, MD
Howard Co.
United States
Watkins Bridge Ln. / Holly Creek Ln.
(39.22939, -76.94583)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2010
Saint Charles, MD
Charles Co.
United States
Middletown Rd. / Billingsley Rd.
(38.60721, -76.97561)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
53.3400
Other (At-Grade)
Multilane (2 Lane, unspecified)
2019 https://www.charlescountymd.gov/our-county/infrastructure/traffic-signal-projects/middletown-road-billingsley-road-roundabout
Salisbury, MD
Wicomico Co.
United States
Walston Switch Rd. / Campus Dr. / Summer Dr.
(38.37359, -75.50358)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2016 Merging right-turn bypass lane on north leg. Year Completed estimated (2013-2016).