9625 Results

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City, State
County
Country
Intersection
(Lat, Lng)
Type
Status
Control Type / Other Control Type Approaches / Driveways Functional Class /
LaneType
Year Completed Comments
Brunswick, MD
Frederick
United States
MD 17/A St./B St./Maryland Ave.
(39.31433, -77.62807)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
Other
Single-Lane
2000
Abingdon, MD
Harford
United States
Tollgate Rd./Montrose Way
(39.48198, -76.32751)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2003 Elementary school and library to north, another school to south. Functional Class: Collector
Bel Air, MD
Harford
United States
Tollgate Rd./Westover Ln./Crisfield Dr.
(39.46859, -76.32162)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2002 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 Previously controlled by two-way stop Functional Class: Collector
Annapolis, MD
Anne Arundel
United States
MD 450 (West St.)/Taylor Ave./Spa Rd. (Gateway Circle)
(38.97630, -76.50486)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Multilane (2 Lane)
1999 Opened December 1999.
Ritchie, MD
Prince Georges
United States
Ritchie-Marlboro Rd./I-95 SB Ramps
(38.86894, -76.84738)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps
Multilane (2 Lane)
2001
Ritchie, MD
Prince Georges
United States
Ritchie-Marlboro Rd./I-95 NB Ramps
(38.86824, -76.84158)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps
Multilane (2 Lane)
2001
Catonsville, MD
Baltimore
United States
MD 372/Hilltop Rd./Entrance to UMBC
(39.25733, -76.71964)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1998 Functional Class: Collector
Lisbon, MD
Howard
United States
MD 94/Old Frederick Rd. (Lisbon North)
(39.34810, -77.06930)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1999
Ellicott City, MD
Howard
United States
MD 103/MD 100 WB Ramps
(39.20846, -76.78294)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps
Single-Lane
1998 Opened November 1998.
Ellicott City, MD
Howard
United States
MD 103/MD 100 EB Ramps
(39.20733, -76.78243)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps
Single-Lane
1998 Opened November 1998.
Ellicott City, MD
Howard
United States
Snowden River Pkwy./MD 100 WB Ramps
(39.21233, -76.79544)
Roundabout
Existing
All-Way Yield
Metering Signal
3 Approaches
0 Driveways
Freeway Ramps
Single-Lane
1998 Opened November 1998. Metering signal on Snowden River Pkwy approach.
Ellicott City, MD
Howard
United States
MD 104 (Waterloo Rd.)/MD 100 WB Ramps
(39.22470, -76.80600)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps
Multilane (2 Lane)
1999
Federalsburg, MD
Caroline
United States
MD 307/MD 313/MD 318
(38.68938, -75.78949)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1999 Rural, installed for safety reasons Previously controlled by two-way stop
Taneytown, MD
Carroll
United States
MD 140/MD 832/Antrim Blvd.
(39.64809, -77.15468)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Multilane (2 Lane)
1996 Completed August 1996. Curbs set for double lane, striped for single outer circulating lane. Previously controlled by two-way stop Functional Class: Arterial
Lisbon, MD
Howard
United States
MD 94/MD 144
(39.33700, -77.07360)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1993 First roundabout in Maryland. Built initially as temporary, made permanent after one month.
Lothian, MD
Anne Arundel
United States
MD 2/MD 408/MD 422
(38.82973, -76.61590)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1995 Completed October 1995.
Elkton, MD
Cecil
United States
MD 213 (Fair Hill Rd.)/Leeds Rd./Elk Mill Rd. (Lanzi Circle)
(39.66364, -75.85529)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1995 Previously controlled by two-way stop. Functional Class: Arterial
Cearfoss, MD
Washington
United States
MD 63/MD 58/MD 494 (Cearfoss Pk)
(39.70017, -77.77593)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1995 Completed December 1995.
Towson, MD
Baltimore
United States
MD 45/MD 146/Joppa Rd./Allegheny Ave.
(39.40185, -76.60230)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
Other
Multilane (2 Lane)
1998 Opened October 1998. Exit striping retrofitted to roundabout after opening. Hotdog/racetrack shape.
Columbia, MD
Howard
United States
Cradlerock Way/Homespun Dr.
(39.19095, -76.83787)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
2001 Completed May 21, 2001. Previously controlled by one-way stop Functional Class: Collector
Columbia, MD
Howard
United States
Golden Straw Ln./Davis Rd.
(39.21597, -76.81084)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Mini-roundabout
2000 Completed April 28, 2000. Functional Class: Collector. Pedestrian ramps into circulatory roadway.
Bel Air, MD
Harford
United States
Tollgate Rd./Wheel Rd.
(39.48999, -76.32914)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1999 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22
Rising Sun, MD
Cecil
United States
MD 273 (Rising Sun Rd.)/MD 276 (Jacob Tome Memorial Hwy.)
(39.69595, -76.08018)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2003
Rosemont, MD
Frederick
United States
MD 17/MD 180
(39.33768, -77.63950)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
Other
Single-Lane
2001
Urbana, MD
Frederick
United States
MD 80/Sugarloaf Pkwy./Bennett Creek Blvd.
(39.32467, -77.34974)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Multilane (2 Lane)
2000 Rural
Bel Air, MD
Harford
United States
MD 7/Holly Oaks Drive
(39.48848, -76.21669)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
1999 Opened September 1999.
North Harford, MD
Harford
United States
MD 165/MD 24
(39.67220, -76.40930)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2000 Rural Previously controlled by two-way stop
Scaggsville, MD
Howard
United States
MD 216/US 29 SB Ramps
(39.14562, -76.90418)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Freeway Ramps
Multilane (2 Lane)
2001 Series of 4 roundabouts.
Scaggsville, MD
Howard
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
Freeway Ramps
Multilane (2 Lane)
2001 Series of 4 roundabouts.
Millington, MD
Kent
United States
MD 291/US 301 SB Ramps
(39.26463, -75.86641)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Freeway Ramps
Single-Lane
1999 Opened August 1999.
Millington, MD
Kent
United States
MD 291/US 301 NB Ramps
(39.26386, -75.86260)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Freeway Ramps
Single-Lane
1999 Opened August 1999.
Oak Grove, MD
Prince Georges
United States
MD 193 (Watkins Park Dr.)/Oak Grove Rd.
(38.87737, -76.78108)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
2001
Temple Hills, MD
Prince Georges
United States
MD 637 (Naylor Rd.)/Good Hope Ave.
(38.84922, -76.95655)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2001
Temple Hills, MD
Prince Georges
United States
MD 637 (Naylor Rd.)/Oxon Run Dr.
(38.84986, -76.95789)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2001
Castle Marina, MD
Queen Annes
United States
MD 18/Castle Marina Rd.
(38.97871, -76.28938)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1999 Previously controlled by two-way stop
Urbana, MD
Frederick
United States
Sugarloaf Pkwy./Denison St.
(39.33490, -77.34180)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
Other
Multilane (2 Lane)
2000
Urbana, MD
Frederick
United States
Bennett Creek Ave./Bennett Creek Rd.
(39.32223, -77.35181)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2000
Urbana, MD
Frederick
United States
MD 355/Sugarloaf Pkwy.
(39.32862, -77.35193)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2000
Urbana, MD
Frederick
United States
MD 355/Sprigg St.
(39.33070, -77.35654)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2000
Urbana, MD
Frederick
United States
Bush Creek Dr./Major Smith Ln.
(39.33507, -77.35263)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2000
Urbana, MD
Frederick
United States
Bennett Creek Ave./Bennett Creek Blvd.
(39.32256, -77.34935)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
2000
Greenbelt, MD
Prince Georges
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
Other
Single-Lane
1998 Year Completed estimated (1994-2001).
Abingdon, MD
Harford
United States
Tollgate Rd./Singer Rd.
(39.47828, -76.32727)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1998 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22
Fountain Green, MD
Harford
United States
Prospect Mill Rd./Wagner Rd.
(39.55824, -76.30247)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
2002 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 Functional Class: Collector
Bel Air, MD
Harford
United States
Moores Mill Rd./Brushing Ln.
(39.54368, -76.32365)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2001 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22
Frogtown, MD
Harford
United States
Mardic Dr./Willrich Ct.
(39.57178, -76.37160)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
2001 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22
Gaithersburg, MD
Montgomery
United States
Kentlands Blvd./Main St.
(39.12333, -77.23855)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Multilane (2 Lane)
1993 Previously controlled by two-way stop Functional Class: Arterial
Gaithersburg, MD
Montgomery
United States
Kentlands Blvd./Market St.
(39.12309, -77.23489)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Multilane (2 Lane)
1993 Functional Class: Arterial. Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery
United States
Orchard Ridge Dr./Mill Green Ave.
(39.12559, -77.22635)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Multilane (2 Lane)
2002
Gaithersburg, MD
Montgomery
United States
Winter Walk Dr./Highland Ridge Ave.
(39.12807, -77.22692)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
1998 Year Completed estimated (1993-2002). Was cul-de-sac prior to addition of two more legs.

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