28735 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
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.
Blacksburg, VA
Montgomery Co.
United States
Washington St. / Campus Dr. / Stadium Rd.
(37.22169, -80.42204)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
62.7690
Other (At-Grade)
Single-Lane
2005 On the campus of Virginia Tech. ICD estimated from Google Maps linework.
Lower Frederick Township, PA
Montgomery Co.
United States
SR 29 (Gravel Pike) / SR 73 (Big Rd.)
(40.27733, -75.48040)
Roundabout
Existing
All-Way Yield
None
3 Approaches
3 Driveways
46.4703
Other (At-Grade)
Single-Lane
2008 Asphalt construction. Design for future multilane retrofit. Previously controlled by flashing beacon Functional Class: Principal Arterial ICD estimated from Google Maps linework.
Montgomery, AL
Montgomery Co.
United States
Washington Ave. / S. Bainbridge St.
(32.37648, -86.30121)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
18.1560
Other (At-Grade)
Single-Lane
2008 Opened July 2008. ICD estimated from Google Maps linework.
Montgomery, AL
Montgomery Co.
United States
S. Ripley St. / Washington Ave.
(32.37658, -86.29808)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
14.1213
Other (At-Grade)
Single-Lane
2008 Opened April 2008. ICD estimated from Google Maps linework.
Montgomery, AL
Montgomery Co.
United States
University Dr. / East Dr. / (parking lot)
(32.36779, -86.17373)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
41.3593
Other (At-Grade)
Single-Lane
2010 Entrance to Auburn University Montgomery (AUM). Year completed estimated (2008-2011). ICD estimated from Google Maps linework.
Miamisburg, OH
Montgomery Co.
United States
Austin W Blvd. / Automation Way
(39.59850, -84.24378)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
44.1728
Other (At-Grade)
Single-Lane
2011 ICD estimated from Google Maps linework.
Kettering, OH
Montgomery Co.
United States
Forrer Blvd. / Madison St.
(39.71565, -84.14854)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
51.4476
Other (At-Grade)
Multilane (2 Lane, unspecified)
1996 ICD estimated from Google Maps linework.
Magnolia, TX
Montgomery Co.
United States
Magnolia Ridge Blvd. / Jewett Meadow Dr. / Rogerdale River Dr.
(30.21121, -95.73470)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
Gaithersburg, MD
Montgomery Co.
United States
Perry Pkwy. / (parking)
(39.14899, -77.21048)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
47.2440
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2004 Year Completed estimated (2002-2005).
Redland, MD
Montgomery Co.
United States
Columbus Ave. / Gramercy Blvd.
(39.12362, -77.16494)
Other
Existing
All-Way Stop
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
King Farm, MD
Montgomery Co.
United States
Pleasant Circle
(39.11623, -77.17518)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Pedestrian access to central island.
Potomac, MD
Montgomery Co.
United States
10600 Morning Field Dr. / Sunny Brooke Ln. / Sunny Brooke Pl.
(39.07423, -77.21561)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Potomac, MD
Montgomery Co.
United States
Broad Green Dr. / Clagett Farm Dr.
(39.04566, -77.19669)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Potomac, MD
Montgomery Co.
United States
Larkmeade Ln. / Bells Ridge Dr.
(39.03483, -77.16775)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Woodbourne-Hyde Park, OH
Montgomery Co.
United States
Mad River Rd. / W Alex Bell Rd.
(39.65510, -84.19420)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2022 https://www.whio.com/news/local/washington-twp-roundabout-set-open-within-next-week/JEWIGLMTEBBDXJ3PZ2QO3ILVQ4/
Derwood, MD
Montgomery Co.
United States
Achille Ln. / Heartwood Dr.
(39.12925, -77.11543)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Derwood, MD
Montgomery Co.
United States
Heartwood Dr.
(39.13239, -77.11434)
Other
Existing
Unknown
Unknown
2 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Derwood, MD
Montgomery Co.
United States
Coppelia Dr. / Toboggan Ln.
(39.13566, -77.11938)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Olney, MD
Montgomery Co.
United States
Martins Dairy Cir. / Old Baltimore Rd.
(39.13345, -77.07382)
Other
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Painted splitter islands.
Wheaton, MD
Montgomery Co.
United States
Park Vista Dr. / Wintergate Dr. / Longmeade Crossing Dr.
(39.10755, -77.05340)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2020 Painted splitter islands added 2020.
Ashton, MD
Montgomery Co.
United States
Harbour Town Dr. / Grand Cypress Ct.
(39.13205, -77.00407)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Montgomery, AL
Montgomery Co.
United States
Taylor Lakes Pkwy. / Towering Oaks Dr.
(32.31210, -86.19300)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Montgomery, AL
Montgomery Co.
United States
Monument Park Dr. / Chastain Park Dr. / Morning Side Park Dr.
(32.30911, -86.14268)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
44.1960
Other (At-Grade)
Single-Lane
2010 Year Completed estimated (2008-2011).
Travilah, MD
Montgomery Co.
United States
Marwood Hill Dr. / Rivers Bend Ln.
(39.03022, -77.23432)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Gaithersburg, MD
Montgomery Co.
United States
Upshire Circle
(39.11353, -77.22397)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Olney, MD
Montgomery Co.
United States
Wickham Rd. / Broom Dr.
(39.15708, -77.09362)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Olney, MD
Montgomery Co.
United States
Martins Dairy Cir. / Gooseneck Terrace
(39.13176, -77.07439)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Germantown, MD
Montgomery Co.
United States
Milestone Manor Ln. / Manor View Cir. / Milestone Manor Ct.
(39.20854, -77.24868)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Germantown, MD
Montgomery Co.
United States
Milestone Manor Ln. / Stardrift Dr.
(39.20560, -77.25039)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Germantown, MD
Montgomery Co.
United States
Milestone Manor Ln. / Emerald Dr.
(39.20479, -77.25262)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Germantown, MD
Montgomery Co.
United States
Milestone Manor Ln. / Royal Crown Dr.
(39.20518, -77.25877)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Germantown, MD
Montgomery Co.
United States
Pickering Dr. / Pickering Pl.
(39.18854, -77.27173)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Germantown, MD
Montgomery Co.
United States
Club Hill Dr. / Thackery Pl.
(39.18531, -77.27012)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Germantown, MD
Montgomery Co.
United States
Kildale Hills Terrace / Galway Bay Cir.
(39.17826, -77.27643)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Chevy Chase, MD
Montgomery Co.
United States
Rosemary Circle [Rosemary St. / Hillcrest Pl. / Stanford St.]
(38.97789, -77.08055)
Other
Existing
All-Way Stop
Unknown
5 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Parking along circulatory roadway.
Mount Sterling, KY
Montgomery Co.
United States
Indian Mound Dr. / Spencer Pike
(38.05454, -83.91678)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2022 Year Completed estimated (2021-2022).
New Florence, MO
Montgomery Co.
United States
MO 19 / Tree Farm Rd. / I-70 EB Ramps
(38.89821, -91.45624)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2023 https://www.modot.org/node/35298
New Florence, MO
Montgomery Co.
United States
MO 19 / Booneslick Rd. / I-70 WB Ramps
(38.90090, -91.45707)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2023 https://www.modot.org/node/35298 Combined freeway interchange with at-grade intersection. Previously, the interchange was stop controlled and the intersection had traffic lights.
Conroe, TX
Montgomery Co.
United States
Harpers Way / Preserve Way
(30.19869, -95.44163)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
2022 Single-stage pedestrian crossings.
Conroe, TX
Montgomery Co.
United States
Preserve Way / Harpers Trace
(30.19433, -95.42699)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
42.6720
Other (At-Grade)
Single-Lane
2019 Year Completed estimated (2018-2019).
Conroe, TX
Montgomery Co.
United States
Preserve Way / Bayou Oaks Dr.
(30.19425, -95.42220)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2021 Single-stage pedestrian crossings. Year Completed estimated (2020-2022).
Conroe, TX
Montgomery Co.
United States
Harpers Trace / Harpers School Rd.
(30.20566, -95.42716)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
42.6720
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2015 Year Completed estimated (2015-2016).
Shenandoah, TX
Montgomery Co.
United States
Vision Park Blvd. / Grogans Mill Rd.
(30.18988, -95.46596)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2009 Right-turn-only arrows at entries.
Montgomery, TX
Montgomery Co.
United States
Noble Greens Blvd. / Bungalow Dr.
(30.28008, -95.56863)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Montgomery, TX
Montgomery Co.
United States
Bonterra Blvd. / Mountain Laurel Dr. / S Claret Cup Ln.
(30.28166, -95.54889)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2013 No truck apron. Year Completed estimated (2011-2015).
Montgomery, TX
Montgomery Co.
United States
Central Pine St. / Crest Sights Dr.
(30.29200, -95.55637)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
47.2440
Other (At-Grade)
Single-Lane
2020 No truck apron. Year Completed estimated (2020-2021).
Magnolia, TX
Montgomery Co.
United States
Cimarron Creek Blvd. / Tolby Creek Ln. / Winding Pass Ln. / Ute Creek Ln.
(30.21509, -95.59255)
Roundabout
Existing
All-Way Stop
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Magnolia, TX
Montgomery Co.
United States
Tall Oaks Way / W Border Oaks Dr.
(30.21417, -95.66748)
Other
Existing
Unknown
Unknown
4 Approaches
1 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Magnolia, TX
Montgomery Co.
United States
Audubon Pkwy. / Audubon Trace
(30.22075, -95.71643)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
73.1520
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2021 Year Completed estimated (2020-2022).
Clarksville, TN
Montgomery Co.
United States
Henry Place Blvd. / Bandera Dr.
(36.60740, -87.38149)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2013
Limerick, PA
Montgomery Co.
United States
Swamp Pike / Lewis Rd. / W Arcadia Dr.
(40.23457, -75.52624)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
44.1960
Other (At-Grade)
Single-Lane
2020 https://patch.com/pennsylvania/limerick/swamp-pike-reopens-limerick-township
Silver Spring, MD
Montgomery Co.
United States
Woodmoor Dr. / Lexington Dr.
(39.02215, -77.00818)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Potomac, MD
Montgomery Co.
United States
Old Seven Locks Rd. / Quarry Manor Terrace
(38.99371, -77.16028)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Bethesda, MD
Montgomery Co.
United States
Boxwood Rd. / Spangler Ave.
(38.94781, -77.10888)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Bethesda, MD
Montgomery Co.
United States
Tournay Rd. / Spangler Ave.
(38.94811, -77.11053)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
(unincorporated), MD
Montgomery Co.
United States
Travilah Rd. / Turkey Foot Rd. / Hanson Farm Dr.
(39.07993, -77.25560)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2020 Painted splitter islands. Year Completed estimated (2019-2020).
Germantown, MD
Montgomery Co.
United States
Crossview Rd. / Autumn Crest Rd.
(39.16717, -77.30075)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Germantown, MD
Montgomery Co.
United States
Crestmount Rd. / Kings Crossing Rd.
(39.16175, -77.30841)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Germantown, MD
Montgomery Co.
United States
Kings Crossing Blvd. / Cornflower Rd.
(39.16222, -77.30397)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Germantown, MD
Montgomery Co.
United States
Kings Crossing Blvd. / Ashmeade Rd.
(39.16235, -77.29971)
Other
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
32.0040
Other (At-Grade)
Single-Lane
Painted splitter islands. Pedestrian crossings next to circulatory roadway.
Germantown, MD
Montgomery Co.
United States
Ashleigh Greene Rd. / Ashmeade Rd.
(39.16013, -77.29900)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Germantown, MD
Montgomery Co.
United States
Ashleigh Greene Rd. / Cornflower Rd.
(39.15879, -77.30324)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Germantown, MD
Montgomery Co.
United States
Wonderland Way / Chalet Dr.
(39.15516, -77.27464)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Blue Bell, PA
Montgomery Co.
United States
Anvil Ln.
(40.16062, -75.28413)
Other
Existing
Unknown
Unknown
2 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Blue Bell, PA
Montgomery Co.
United States
Arbor Way / Jolly Rd. / (parking)
(40.14222, -75.28498)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2014 Year Completed estimated (2011-2016).
Germantown, MD
Montgomery Co.
United States
Summer Oak Dr. / Summer Oak Ct.
(39.16467, -77.24384)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands on two legs.
Germantown, MD
Montgomery Co.
United States
Germantown Rd. / Watkins Mill Rd. / Blunt Rd.
(39.19058, -77.22492)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
1999 Right-turn bypass lane on north leg. Year Completed estimated (1993-2005).
Olney, MD
Montgomery Co.
United States
Brightwood Rd. / Winding Oak Dr. / Weston Pl.
(39.16065, -77.09120)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Cloverly, MD
Montgomery Co.
United States
Harbour Town Dr. / Firestone Dr.
(39.12855, -76.99401)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Cloverly, MD
Montgomery Co.
United States
Firestone Dr. / Sea Island Ct.
(39.12744, -76.99807)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Silver Spring, MD
Montgomery Co.
United States
Ritchie Ave. / Oswego Ave.
(38.98602, -77.00877)
Traffic Calming Circle
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Painted splitter islands.
Olney, MD
Montgomery Co.
United States
Fox Valley Dr. / Hillcroft Dr.
(39.12441, -77.07962)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
No splitter islands.
Schwenksville, PA
Montgomery Co.
United States
Greenshire Blvd. / Chatham Ln.
(40.22962, -75.47896)
Other
Existing
Unknown
Unknown
2 Approaches
0 Driveways
0.0000
Other (At-Grade)
Unknown
Sandy Spring, MD
Montgomery Co.
United States
Alexander Manor Dr. / Red Tail Ct. / Halex Hill Ct.
(39.13149, -77.01778)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Sandy Spring, MD
Montgomery Co.
United States
Friends House Rd. / Quaker Ln. / (parking)
(39.14071, -77.03036)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Germantown, MD
Montgomery Co.
United States
Observation Dr. / Goldenrod Ln.
(39.18419, -77.24566)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2013 Year Completed estimated (2012-2014).
Germantown, MD
Montgomery Co.
United States
Crystal Rock Dr. / Century Blvd.
(39.20326, -77.27356)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2015 Striping added 2019-2021. Inconsistent lane use markings between entry and circulatory roadway.
Clarksburg, MD
Montgomery Co.
United States
Little Seneca Pkwy. / Cabin Branch Ave.
(39.21654, -77.28310)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2016 Year Completed estimated (2016-2017). Striping added 2019-2021.
Clarksburg, MD
Montgomery Co.
United States
Broadway Ave. / Little Seneca Pkwy.
(39.21646, -77.28540)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2016 Year Completed estimated (2015-2017). Striping added 2019-2021.
Clarksburg, MD
Montgomery Co.
United States
Clarksburg Rd. / W Old Baltimore Rd.
(39.21396, -77.29731)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2019 Year Completed estimated (2019-2020).
Clarksburg, MD
Montgomery Co.
United States
Cabin Branch Ave. / Skimmer St.
(39.22020, -77.28435)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2016 Year Completed estimated (2015-2017). Striping added 2019-2021.
Tom's Creek, VA
Montgomery Co.
United States
Honeysuckle Dr.
(37.24423, -80.44050)
Other
Existing
Unknown
Unknown
3 Approaches
15 Driveways
0.0000
Other (At-Grade)
Single-Lane
Olney, MD
Montgomery Co.
United States
Wickham Rd. / Olney Mill Rd. / Dunsford Dr.
(39.16071, -77.09596)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands on three legs.
Gaithersburg, MD
Montgomery Co.
United States
Hoover Farm Dr. / Holland Meadow Ln.
(39.18129, -77.13125)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Gaithersburg, MD
Montgomery Co.
United States
Hoover Farm Dr. / Brass Bucket Ct.
(39.17775, -77.13018)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Boyds, MD
Montgomery Co.
United States
Crazy Quilt Ct.
(39.16123, -77.30454)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Rockville, MD
Montgomery Co.
United States
Henderson Circle
(39.08800, -77.16702)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Pedestrian access to central island.
North Potomac, MD
Montgomery Co.
United States
Bald Cypress Dr. / Willow Tree Dr. / Cherrydale Dr.
(39.08158, -77.20120)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Rockville, MD
Montgomery Co.
United States
Valley Dr. / Aqua Ln.
(39.07945, -77.20575)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
Gaithersburg, MD
Montgomery Co.
United States
Parkview Ave. / Uptown St.
(39.15334, -77.22619)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2012 Right-turn-only lane on northwest leg. Year Completed estimated (2011-2012).
Clarksburg, MD
Montgomery Co.
United States
Granite Rock Rd. / Grand Elm St.
(39.24126, -77.26647)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Clarksburg, MD
Montgomery Co.
United States
Saint Clair Rd. / Timber Creek Ln. / Brewers Tavern Terrace / (unknown)
(39.23680, -77.27531)
Other
Existing
Unknown
Unknown
5 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
No splitter islands.
Old Salford Township, PA
Montgomery
United States
Old Skippack Rd. / Schwenksville Rd. / Shelly Rd.
(40.29058, -75.42686)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2023 The roundabout was installed as part of the Districtwide roundabout program (PennDOT Engineering District 6-0) which was started to address intersection safety in the District. https://www.penndot.pa.gov/regionaloffices/district-6/pages/details.aspx?newsid=8481
Mancos, CO
Montezuma Co.
United States
Ruins Rd. / (entrance to visitor center) / (service road)
(37.33917, -108.41185)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2023 Entrance to Mesa Verde National Park. Year Completed estimated (2020-2023). Previous control was mix of stop and uncontrolled movements.
Castroville, CA
Monterey Co.
United States
(unknown) / SR 156 EB Ramps
(36.76908, -121.73823)
Roundabout
Unknown
All-Way Yield
Unknown
3 Approaches
0 Driveways
41.7573
Freeway Ramps (Grade-Separated)
Single-Lane
Anticipated opening year 2025. Future 3rd leg is planned to connect to BlackieRd.
Castroville, CA
Monterey Co.
United States
(unknown) / SR 156 WB Ramps
(36.77058, -121.73771)
Roundabout
Unknown
All-Way Yield
Unknown
4 Approaches
0 Driveways
53.3400
Freeway Ramps (Grade-Separated)
Single-Lane
Anticipated opening year 2025.
Castroville, CA
Monterey Co.
United States
Castroville Blvd. / (unknown)
(36.77419, -121.74051)
Roundabout
Unknown
All-Way Yield
Unknown
3 Approaches
0 Driveways
49.3776
Other (At-Grade)
Single-Lane
Anticipated opening year 2025.