29483 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
Marriottsville, MD
Howard Co.
United States
Sand Hill Rd. / Sand Hill Manor Dr. / Mount View Rd.
(39.31018, -76.93043)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1993-2002).
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.
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.
Polychrome Historic District, MD
Prince George's Co.
United States
IKEA Center Blvd. / Milestone Way
(39.02224, -76.92650)
Other
Existing
Other
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, unspecified)
Mix of yield-controlled and uncontrolled entries.
Calverton, MD
Prince George's Co.
United States
Bay Hill Dr. / Innisbrook Dr.
(39.06579, -76.92532)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Old Town College Park, MD
Prince George's Co.
United States
52nd Ave. / (unknown)
(38.97496, -76.92410)
Other
Existing
Unknown
Unknown
2 Approaches
1 Driveways
0.0000
Other (At-Grade)
Unknown
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.
Columbia, MD
Howard Co.
United States
Trotter Rd. / South Wind Cir.
(39.20956, -76.91891)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
23.1353
Other (At-Grade)
Single-Lane
1997 Functional Class: Collector. Year Completed estimated (1993-2001). ICD estimated from Google Maps linework.
Burtonsville, MD
Montgomery Co.
United States
Bentley Park Dr. / Saddle Creek Dr.
(39.09674, -76.91863)
Other
Existing
Unknown
Unknown
2 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Greenbelt, MD
Prince George's Co.
United States
Greenbelt Station Pkwy. / Stream Bank Ln.
(39.00060, -76.91754)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
2014 Crosswalks at yield line on all leg. Year Completed estimated (2013-2014). West leg opened 2016.
Konterra, MD
Prince George's Co.
United States
Bentley Park Dr. / Parkgate Dr.
(39.09112, -76.91733)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2015
Greenbelt, MD
Prince George's Co.
United States
Greenbelt Station Pkwy. / S Center Dr.
(39.00209, -76.91666)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.0040
Other (At-Grade)
Single-Lane
2017
Greenbelt, MD
Prince George's Co.
United States
Greenbelt Station Pkwy. / Stream Bank Ln.
(39.00374, -76.91563)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
2017
Fulton, MD
Howard Co.
United States
S Maple Lawn Blvd. / Eugene Ave. / Charles Way
(39.14787, -76.91560)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2017
Villa El Salvador, Lima
Province of Lima
Peru
Óvalo María Reiche
(-12.23977, -76.91229)
Unknown
Existing
Unknown
Unknown
3 Approaches
0 Driveways
Other (At-Grade)
Unknown
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, unspecified)
1999 Unstriped circulatory roadway. Year Completed estimated (1995-2001).
Laurel, MD
Howard Co.
United States
Arden Ct. / Waterside Ct. / Scholars Ln.
(39.13418, -76.91140)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands on two legs.
Saint-Charles, MD
Charles Co.
United States
St Owen Ct. / Oyster Reef Pl. / Ottawa Park Pl.
(38.58026, -76.91047)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2008
Scaggsville, MD
Howard Co.
United States
MD 216 / Westside Blvd.
(39.14796, -76.90977)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.6801
Other (At-Grade)
Multilane (2 Lane, unspecified)
2009 Series of 4 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Camp Springs, MD
Prince George's Co.
United States
Telfair Blvd. / Midtown Square
(38.82920, -76.90940)
Other
Existing
Uncontrolled
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Scaggsville, MD
Howard Co.
United States
Westside Blvd. / (parking lot)
(39.14952, -76.90856)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
31.4909
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
Scaggsville, MD
Howard Co.
United States
MD 216 / Maple Lawn Blvd.
(39.14710, -76.90723)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
40.7543
Other (At-Grade)
Multilane (2 Lane, unspecified)
2005 Series of 4 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Scaggsville, MD
Howard Co.
United States
Maple Lawn Blvd. / Iager Blvd.
(39.15816, -76.90440)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
33.3392
Other (At-Grade)
Multilane (2 Lane, unspecified)
2005 ICD estimated from Google Maps linework.
Scaggsville, MD
Howard Co.
United States
MD 216 / US 29 SB Ramps
(39.14562, -76.90418)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.7228
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2001 Series of 4 roundabouts. ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States
Lancelot Cross / Butterfruit Way / Argent Path / Stardust Ln.
(39.28522, -76.90384)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
57.9120
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1993-2002).
Greenbelt, MD
Prince George's Co.
United States
Cherrywood Ln. / Greenbelt Metro Dr.
(39.00985, -76.90330)
Roundabout
Existing
All-Way Yield
Other
3 Approaches
0 Driveways
24.1290
Other (At-Grade)
Single-Lane
2012 Raised crosswalks. ICD estimated from Google Maps linework.
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
Scaggsville, MD
Howard Co.
United States
Maple Lawn Blvd. / Tawes St.
(39.15364, -76.90125)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.2675
Other (At-Grade)
Multilane (2 Lane, unspecified)
2006 ICD estimated from Google Maps linework.
South Laurel, MD
Prince George's Co.
United States
Frost Pl. / (parking)
(39.09016, -76.90091)
Other
Existing
Unknown
Unknown
2 Approaches
1 Driveways
0.0000
Other (At-Grade)
Single-Lane
Scaggsville, MD
Howard Co.
United States
Ice Crystal Dr. / Birchtree Ln.
(39.14355, -76.89912)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
28.7147
Other (At-Grade)
Single-Lane
2003 ICD estimated from Google Maps linework.
Scaggsville, MD
Howard Co.
United States
MD 216 / US 29 NB Ramps / Ice Crystal Dr.
(39.14476, -76.89799)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.7234
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2001 Series of 4 roundabouts. ICD estimated from Google Maps linework.
Greenbelt, MD
Prince George's Co.
United States
Golden Triangle Dr. / (parking)
(38.99762, -76.89644)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Harrisburg, PA
Dauphin Co.
United States
N 2nd St. / Kelker St.
(40.27418, -76.89553)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
18.2880
Other (At-Grade)
Single-lane w/ Traversable Central Island
2022
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.
Harrisburg, PA
Dauphin Co.
United States
N 2nd St. / Reily St.
(40.27050, -76.89293)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
21.9456
Other (At-Grade)
Single-lane w/ Traversable Central Island
2022 Year Completed estimated (2021-2022).
Harrisburg, PA
Dauphin Co.
United States
N 2nd St. / Verbeke St.
(40.26853, -76.89149)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
21.9456
Other (At-Grade)
Single-lane w/ Traversable Central Island
2022 Year Completed estimated (2021-2022).
Laurel, MD
Prince George's Co.
United States
W Side Blvd. / (parking)
(39.08512, -76.89003)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
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.
Harrisburg, PA
Dauphin Co.
United States
N 7th St. / Reily St.
(40.27393, -76.88481)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
2022
Forestville, MD
Prince George's Co.
United States
Donnell Pl.
(38.84109, -76.88405)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Columbia, MD
Howard Co.
United States
Charter Dr. / (parking)
(39.21273, -76.88310)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
27.4320
Other (At-Grade)
Single-Lane
2013 Converted from cul-de-sac. Year Completed estimated (2011-2014).
Konterra, MD
Prince George's Co.
United States
Belle Chasse Blvd. / (parking) (west)
(39.07512, -76.88073)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Konterra, MD
Prince George's Co.
United States
Belle Chasse Blvd. / Belle Chasse Blvd. (south)
(39.07274, -76.88060)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Konterra, MD
Prince George's Co.
United States
Belle Chasse Blvd. / Belle Chasse Blvd. (southwest)
(39.07731, -76.88037)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Columbia, MD
Howard Co.
United States
Harpers Farm Rd. / Campus Dr.
(39.21534, -76.88023)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
31.4614
Other (At-Grade)
Single-Lane
2003 Originally had 4 legs. ICD estimated from Google Maps linework.
Konterra, MD
Prince George's Co.
United States
Belle Chasse Blvd. / (parking) (east)
(39.07499, -76.87964)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Konterra, MD
Prince George's Co.
United States
Belle Chasse Blvd. / Belle Chasse Blvd. (north)
(39.07820, -76.87960)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Konterra, MD
Prince George's Co.
United States
Belle Chasse Blvd. / Belle Chasse Blvd. (southeast)
(39.07714, -76.87923)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Greenbelt, MD
Prince George's Co.
United States
Hanover Pkwy. / (unknown)
(38.98589, -76.87602)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
24.3840
Other (At-Grade)
Single-Lane
2004 Year Completed estimated (2002-2005).
Southport, NY
Chemung Co.
United States
Rte 328 / Pennsylvania Ave.
(42.03433, -76.87601)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7894
Other (At-Grade)
Single-Lane
2015 ICD estimated from Google Maps linework.
Brandywine, MD
Prince George's Co.
United States
MD 373 / Accokeek Rd. / MD 5 (Branch Ave.) SB On-Ramp
(38.70076, -76.87599)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
39.6240
Freeway Ramps (Grade-Separated)
Single-Lane
2019 MD 5 (Branch Ave.) was converted to limited access. https://www.thebaynet.com/articles/0419/newtrafficshiftstartsinbrandywineareathursday.html.
Lower Allen, PA
Cumberland Co.
United States
Tisbury Circle
(40.22128, -76.87520)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Ellicott City, MD
Howard Co.
United States
Coventry Court Dr.
(39.27862, -76.87340)
Other
Existing
Unknown
Unknown
2 Approaches
2 Driveways
0.0000
Other (At-Grade)
Unknown
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.
Columbia, MD
Howard Co.
United States
Banneker Rd. / Cul-de-sac
(39.21141, -76.87041)
Traffic Calming Circle
Existing
Unknown
Unknown
3 Approaches
0 Driveways
17.5824
Other (At-Grade)
Single-Lane
Functional Class: Local ICD estimated from Google Maps linework.
Harrisburg, PA
Dauphin Co.
United States
Derry St. / Mulberry St.
(40.26312, -76.86948)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-lane w/ Traversable Central Island
2022 https://theburgnews.com/news/project-to-make-harrisburgs-mulder-square-safer-greener-nears-completion
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).
Hampstead, MD
Carroll Co.
United States
MD-30 (Hampstead Bypass) / Business MD 30 (Hanover Pike)
(39.63466, -76.86675)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
49.6684
Other (At-Grade)
Multilane (2 Lane, unspecified)
2009 ICD estimated from Google Maps linework.
Newport, NC
Carteret Co.
United States
White Sands Blvd. / Deer Run / Merry Woods Dr.
(34.80021, -76.86634)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Hampstead, MD
Carroll Co.
United States
MD 30 (Hampstead Bypass) / MD 482 (Hampstead Mexico Rd.)
(39.61108, -76.86457)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.3657
Other (At-Grade)
Multilane (2 Lane, unspecified)
2009 ICD estimated from Google Maps linework.
Laurel, MD
Howard Co.
United States
Old Scaggsville Rd. / High Ridge Rd. / Running Deer Dr.
(39.11815, -76.86396)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.7985
Other (At-Grade)
Single-Lane
2015 ICD estimated from Google Maps linework.
Spring Grove, PA
York Co.
United States
Rte. 116 (Hanover St.) / Roths Church Rd. / W. Hanover St.
(39.88301, -76.86363)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
47.6567
Other (At-Grade)
Single-Lane
2007 http://www.yorkdispatch.com/local/ci_6708523 ICD estimated from Google Maps linework.
Summerfield, MD
Prince George's Co.
United States
Ridgefield Blvd. / Chatsfield Way / Valley Trail Ln.
(38.89834, -76.86172)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, unspecified)
Laurel, MD
Prince George's Co.
United States
Montrose Ave. / Harrison Dr.
(39.09979, -76.85955)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
24.3840
Other (At-Grade)
Single-Lane
2008 Year Completed estimated (2007-2008).
Southport, NY
Chemung Co.
United States
Pennsylvania Ave. / Rte 328 (SB Direction)
(42.04228, -76.85541)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
39.0266
Other (At-Grade)
Single-Lane
2016 Yield-controlled right-turn bypass lanes on north and west legs. Year Completed estimated (2013-2016). ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States
Vantage Point Rd.
(39.22074, -76.85392)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Capitol Heights, MD
Prince George's Co.
United States
Hampton Park Blvd.
(38.87175, -76.85022)
Roundabout
Existing
All-Way Yield
Unknown
2 Approaches
0 Driveways
57.9120
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2007 Yield signs but no entrance line or yield lines.
Capitol Heights, MD
Prince George's Co.
United States
Ritchie Station Ct. / (mall circulation road)
(38.86528, -76.84986)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
41.1480
Other (At-Grade)
Single-Lane
2011 Year Completed estimated (2010-2011).
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, unspecified)
2011 Double left-turn and double right-turn movements.
Glenarden, MD
Prince George's Co.
United States
Campus Way N / McHugh Dr.
(38.92127, -76.84944)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Inside shopping center. No splitter islands on northwest and southeast legs.
Glenarden, MD
Prince George's Co.
United States
Campus Way N / Woodmore Center Dr.
(38.92263, -76.84787)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Inside shopping center. No splitter islands on northwest and southeast legs.
Columbia, MD
Howard Co.
United States
Stevens Forest Rd. / Farewell Rd. / Night Street Hill
(39.20114, -76.84781)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.4320
Other (At-Grade)
Single-lane w/ Traversable Central Island
2019
Ritchie, MD
Prince Georges Co.
United States
Ritchie-Marlboro Rd. / I-95 SB Ramps
(38.86894, -76.84738)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
770.9968
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
2001 Opening initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
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, unspecified)
2011
Laurel, MD
Howard Co.
United States
Stephens Rd. / Whiskey Bottom Rd.
(39.12704, -76.84608)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
29.6480
Other (At-Grade)
Single-Lane
2005 ICD estimated from Google Maps linework.
Upper Marlboro, MD
Prince George's Co.
United States
Rock Spring Dr. / (unknown)
(38.83762, -76.84567)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
51.8160
Other (At-Grade)
Multilane (2 Lane, unspecified)
2018 Year Completed estimated (2018-2019).
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, unspecified)
2011
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, unspecified)
2011
Laurel, MD
Howard Co.
United States
Boulder Ridge Rd. / Polished Pebble Way
(39.13864, -76.84358)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Upper Marlboro, MD
Prince George's Co.
United States
Central Park Dr. / Rock Spring Dr.
(38.83296, -76.84354)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
50.2920
Other (At-Grade)
Multilane (2 Lane, unspecified)
2016
Hampstead, MD
Carroll Co.
United States
MD 30 (Hampstead Bypass) / Business MD 30 (Hanover Pike)
(39.58178, -76.84261)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
56.1498
Other (At-Grade)
Multilane (2 Lane, unspecified)
2009 ICD estimated from Google Maps linework.
Laurel, MD
Howard Co.
United States
Whiskey Bottom Rd. / All Saints Rd.
(39.12478, -76.84257)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
25.9428
Other (At-Grade)
Single-Lane
2007 ICD estimated from Google Maps linework.
Bowie, MD
Prince George's Co.
United States
Faircrest Circle
(38.92760, -76.84166)
Other
Existing
Unknown
Unknown
2 Approaches
18 Driveways
0.0000
Other (At-Grade)
Single-Lane
Ritchie, MD
Prince Georges Co.
United States
Ritchie-Marlboro Rd. / I-95 NB Ramps
(38.86824, -76.84158)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
67.0560
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
2001 Opened initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
Laurel, MD
Howard Co.
United States
Weathered Stone Way / Boulder Ridge Rd. / Stone Lake Dr.
(39.13774, -76.84066)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
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, unspecified)
2012
Columbia, MD
Howard Co.
United States
Cradlerock Way / Homespun Dr.
(39.19095, -76.83787)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
22.2158
Other (At-Grade)
Single-Lane
2001 Completed May 21, 2001. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Hampstead, MD
Carroll Co.
United States
MD 88 / MD 833
(39.60434, -76.83682)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
34.0470
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
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).
Upper Marlboro, MD
Prince George's Co.
United States
Woodyard Rd. / Observatory Pl.
(38.82198, -76.83374)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Parking along circulatory roadway.
Ellicott City, MD
Howard Co.
United States
Columbia Rd. / Hemlock Cone Way / Kingscup Ct.
(39.24949, -76.83326)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
21.3360
Other (At-Grade)
Single-lane w/ Traversable Central Island
2019
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
Muncy, PA
Lycoming Co.
United States
Lycoming Mall Circle
(41.24320, -76.82846)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
28.7372
Other (At-Grade)
Single-Lane
2009 ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States
Tamar Dr. / Old Montgomery Rd.
(39.20533, -76.82822)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2022 https://www.howardcountymd.gov/News090122c
Savage, MD
Howard Co.
United States
Washington St. / Foundry St.
(39.13656, -76.82513)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
18.2880
Other (At-Grade)
Single-lane w/ Traversable Central Island
2021 Painted splitter islands. Pedestrian crossing on west leg adjacent to circulatory roadway. https://www.howardcountymd.gov/News120121
Lake Arbor, MD
Prince George's Co.
United States
Lake Arbor Way / Fairlakes Pl
(38.90717, -76.82304)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
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.
Lake Arbor, MD
Prince George's Co.
United States
Lake Arbor Way / Golf Course Dr.
(38.90618, -76.81975)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Upper Marlboro, MD
Prince George's Co.
United States
Thomas Sim Lee Terrace / Mary Digges Pl.
(38.81663, -76.81748)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Horseheads, NY
Chemung Co.
United States
Old Ithaca Rd. / Horseheads Connector Rd. / E St.
(42.17554, -76.81741)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2023