Roundabouts Database

28820 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
Sedro-Woolley, WA
Skagit Co.
United States 		SR 9 / Rhodes Rd. / Jameson Rd.
(48.49863, -122.24720) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.4477 		Other (At-Grade)
Single-Lane 		2016 Open November 2016. ICD estimated from Google Maps linework.
Sedro-Woolley, WA
Skagit Co.
United States 		SR 20 / Cook Rd.
(48.50724, -122.24428) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
58.5542 		Other (At-Grade)
Single-Lane 		2014 Open July 2014. ICD estimated from Google Maps linework.
Sedro-Woolley, WA
Skagit Co.
United States 		Cook Rd. / Ferry St. / Washington St. / Edward R Murrow St.
(48.50715, -122.24729) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
69.6321 		Other (At-Grade)
Single-Lane 		2013 Open October 2013. ICD estimated from Google Maps linework.
Lynden, WA
Whatcom Co.
United States 		SR 546 / Bender Rd.
(48.96442, -122.44116) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.2849 		Other (At-Grade)
Single-Lane 		2013 Open August 2013. ICD estimated from Google Maps linework.
Lynden, WA
Whatcom Co.
United States 		SR 546 / Depot Rd.
(48.96478, -122.45217) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.2052 		Other (At-Grade)
Single-Lane 		2013 Open August 2013. ICD estimated from Google Maps linework.
Lynden, WA
Whatcom Co.
United States 		SR 546 / Northwood Rd.
(48.96424, -122.40709) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.9551 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2016 Open June 2016. ICD estimated from Google Maps linework.
Kendall, WA
Whatcom Co.
United States 		SR 542 / SR 547 (Kendall Corner)
(48.91692, -122.13767) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.5337 		Other (At-Grade)
Single-Lane 		2015 Open September 2015. ICD estimated from Google Maps linework.
Conway, WA
Skagit Co.
United States 		SR 534 (Pioneer Hwy) / Fir Island Rd. / Conway Frontage Rd. / Main St.
(48.34133, -122.33929) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
56.3641 		Other (At-Grade)
Single-Lane 		2014 Oblong shape. Open July 2014. Replaced two closely spaced stop-controlled intersections. ICD estimated from Google Maps linework.
Anacortes, WA
Skagit Co.
United States 		R Ave. / 22nd St.
(48.50423, -122.60992) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.6011 		Other (At-Grade)
Single-Lane 		2013 Open December 2013. ICD estimated from Google Maps linework.
Mount Vernon, WA
Skagit Co.
United States 		Anderson Rd. / Cedardale Rd.
(48.39943, -122.32812) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2013 Open November 2013.
Spokane, WA
Spokane Co.
United States 		E Wellesley Ave. / N Freya St.
(47.70060, -117.35714) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.6198 		Other (At-Grade)
Single-Lane 		2016 Open October 2016. ICD estimated from Google Maps linework.
East Wenatchee, WA
Douglas Co.
United States 		US 2-US 97 / Enterprise Dr.
(47.51101, -120.29731) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2016 Open June 2016.
Benton City, WA
Benton Co.
United States 		SR 224 / SR 225 / I-82 WB Ramps
(46.25173, -119.47550) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.2934 		Freeway Ramps (Grade-Separated)
Single-Lane 		2016 Replaced two close-spaced stop-controlled intersections. Open June 2016. ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		W 45th St. / S Olympia St.
(46.16925, -119.13812) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.3928 		Other (At-Grade)
Single-Lane 		2014 Open June 2014. ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		W Grandridge Blvd. / N Young St.
(46.21653, -119.21799) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
167.7587 		Other (At-Grade)
Single-Lane 		2014 Right-turn-only lane on north leg. Open September 2014. ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		S Clodfelter Rd. / W 10th St.
(46.20097, -119.24385) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.9044 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 Open August 2015. ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		W Metaline Ave. / N Nevada St. / W Montana St.
(46.22031, -119.23826) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
14.0478 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2013 Open September 2013. ICD estimated from Google Maps linework.
Liberty Lake, WA
Spokane Co.
United States 		Liberty Lake Rd. / Harvard Rd. / E Mission Ave. / I-90 WB Off-Ramp
(47.67454, -117.11097) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.0137 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 Open October 2013. ICD estimated from Google Maps linework.
Redmond, WA
King Co.
United States 		NE 76th St. / 164th Ave. NE
(47.67214, -122.12180) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
99.7242 		Other (At-Grade)
Single-Lane 		2012 Oblong shape. Connected two T-intersections on either side of median to allow crossing and left-turn movements. Open December 2012. ICD estimated from Google Maps linework.
Snoqualmie, WA
King Co.
United States 		SR 202 / Tokul Rd. / Mill Pond Rd.
(47.54073, -121.83292) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.8938 		Other (At-Grade)
Single-Lane 		2016 Open August 2016. ICD estimated from Google Maps linework.
Redmond, WA
King Co.
United States 		NE 116th St. / 172nd Ave. NE
(47.70403, -122.11106) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.5420 		Other (At-Grade)
Single-Lane 		2015 Open April 2015. ICD estimated from Google Maps linework.
Redmond, WA
King Co.
United States 		NE 116th St. / 162nd Ave. NE
(47.70420, -122.12313) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
116.5413 		Other (At-Grade)
Single-Lane 		2014 Open May 2014. ICD estimated from Google Maps linework.
Lake Stevens, WA
Snohomish Co.
United States 		SR 92 / 99th Ave NE
(48.02885, -122.09804) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.5396 		Other (At-Grade)
Single-Lane 		2013 Reverse curves on east and west approaches. Open November 2013. ICD estimated from Google Maps linework.
Lake Stevens, WA
Snohomish Co.
United States 		SR 92 / 113th Ave. SE
(48.03019, -122.07884) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.9412 		Other (At-Grade)
Single-Lane 		2013 Reverse curves on east and west approaches. Open November 2013. ICD estimated from Google Maps linework.
Bellevue, WA
King Co.
United States 		W Lake Sammamish Pkwy SE / I-90 WB Ramps
(47.56690, -122.09947) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
139.9998 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 Open November 2013. Raindrop shape.
Everett, WA
Snohomish Co.
United States 		41st St. / Lowell Riverfront Trl. Ext.
(47.96284, -122.19307) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.9842 		Other (At-Grade)
Single-Lane 		2013 Right-turn bypass lane on north leg. Open January 2013. ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		Boulevard Rd. SE / 22nd Ave.
(47.02903, -122.86477) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
97.6905 		Other (At-Grade)
Single-Lane 		2014 Right-turn-only lane on west leg. Elliptical shape. Open October 2014. ICD estimated from Google Maps linework.
Edgewood, WA
Pierce Co.
United States 		Jovita Blvd. E / Emerald St.
(47.25272, -122.29104) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.6695 		Other (At-Grade)
Single-Lane 		2013 Open July 2013. ICD estimated from Google Maps linework.
Nisqually, WA
Thurston Co.
United States 		SR 510 / Reservation Rd. SE
(47.01164, -122.69148) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2013 Reverse curves on west and east legs. Open November 2013.
Nisqually, WA
Thurston Co.
United States 		SR 510 / Yelm Hwy SE
(47.00928, -122.68839) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
62.7079 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Right-turn bypass lane on southwest leg. Open December 2013. ICD estimated from Google Maps linework.
Mattawa, WA
Grant Co.
United States 		SR 243 / Road 24 SW
(46.73775, -119.91718) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.2889 		Other (At-Grade)
Single-Lane 		2014 Reverse curves on north and south legs. Open May 2014. ICD estimated from Google Maps linework.
Hunts Point, WA
King Co.
United States 		84th Ave. NE / NE 30th St.
(47.63651, -122.22817) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
159.3457 		Other (At-Grade)
Single-Lane 		2014 Originally built between 1990 and 2002. Modified June 2014 to realign south leg. No splitter islands. ICD estimated from Google Maps linework.
Hunts Point, WA
King Co.
United States 		Hunts Point Rd. / NE 28th St. / 84th Ave. NE / SR 520 ramps
(47.63600, -122.22744) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6536 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2014 Open June 2014. ICD estimated from Google Maps linework.
Joint Base Lewis-McChord, WA
Pierce Co.
United States 		D St. / South Dr. / Integrity Gate
(47.11600, -122.61932) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.3273 		Other (At-Grade)
Single-Lane 		2014 Open July 2014. ICD estimated from Google Maps linework.
Snohomish, WA
Snohomish Co.
United States 		Ave. D / Bickford Ave. / 15th St.
(47.93037, -122.10101) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
79.2238 		Other (At-Grade)
Single-Lane 		2014 Open July 2014. ICD estimated from Google Maps linework.
Yarrow Point, WA
King Co.
United States 		92nd Ave. NE / NE Points Dr. / NE 33rd St. / SR 520 WB Off-Ramp
(47.64153, -122.21728) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
86.9075 		Freeway Ramps (Grade-Separated)
Single-Lane 		2014 Open August 2014. ICD estimated from Google Maps linework.
Ruston, WA
Pierce Co.
United States 		Main St. / Bay View Corridor
(47.29744, -122.50297) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1095 		Other (At-Grade)
Single-Lane 		2014 Open September 2014. ICD estimated from Google Maps linework.
Ruston, WA
Pierce Co.
United States 		N Ruston Way / Grand Ave.
(47.29725, -122.50488) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
79.3788 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Ruston, WA
Pierce Co.
United States 		N Ruston Way / Baltimore St. / N 51st St. / Yacht Club Rd.
(47.29908, -122.50894) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
101.2449 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Marysville, WA
Snohomish Co.
United States 		SR 531 (172nd St. NE) / 23rd Ave. NE
(48.15210, -122.19919) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2016 Open January 2016.
Cashmere, WA
Chelan Co.
United States 		N Division St. / Cottage Ave.
(47.52214, -120.46999) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2015 Open October 2015.
Lacey, WA
Thurston Co.
United States 		Willamette Dr. NE / 31st Ave. NE
(47.07789, -122.75228) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.9205 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 Open October 2015. ICD estimated from Google Maps linework.
Seabeck, WA
Kitsap Co.
United States 		Seabeck Hwy NW / NW Holly Rd.
(47.60901, -122.75692) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2015 Open October 2015.
Woodland, WA
Cowlitz Co.
United States 		SR 503 (Lewis River Rd.) / Scott Ave.
(45.91699, -122.74009) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.7138 		Other (At-Grade)
Single-Lane 		2015 Open September 2015. ICD estimated from Google Maps linework.
Lynnwood, WA
Snohomish Co.
United States 		68th Ave. W / 204th St. SW
(47.81409, -122.32484) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
20.0509 		Other (At-Grade)
Single-Lane 		2015 Edmonds Community College. Open August 2015. ICD estimated from Google Maps linework.
Kelso, WA
Cowlitz Co.
United States 		SR 432 / Old Hwy 99 / I-5 NB Ramps / Kelso Dr.
(46.10491, -122.87586) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Freeway Ramps (Grade-Separated)
Single-Lane 		2015 Open August 2015. Elliptical shape. ICD = approximately 110 ft x 100 ft.
Joint Base Lewis-McChord, WA
Pierce Co.
United States 		Colorado Ave. / Garcia Blvd.
(47.09688, -122.58387) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.4657 		Other (At-Grade)
Single-Lane 		2015 Open January 2015. ICD estimated from Google Maps linework.
Monroe, WA
Snohomish Co.
United States 		W Main St. / SR 522 SB Ramps
(47.84883, -122.00879) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
60.9600 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2014 Right-turn bypass lane on west leg. Open December 2014.
Bonney Lake, WA
Pierce Co.
United States 		198th Ave. E / Cascadia Blvd. E
(47.12299, -122.16688) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6959 		Other (At-Grade)
Single-Lane 		2008 Fourth (southeast) leg added 2018. ICD estimated from Google Maps linework.
Bonney Lake, WA
Pierce Co.
United States 		Cascadia Blvd E / Canyon View Blvd. E
(47.12810, -122.17464) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6916 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Bonney Lake, WA
Pierce Co.
United States 		Cascadia Blvd E. / Forest Park Blvd. E
(47.12820, -122.18033) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.0035 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 Open December 2014. ICD estimated from Google Maps linework.
Edmonds, WA
Snohomish Co.
United States 		212th St. SW / 84th Ave. W / SW Bowdoin Way
(47.80701, -122.34716) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
113.9049 		Other (At-Grade)
Single-Lane 		2014 Open November 2014. ICD estimated from Google Maps linework.
Marysville, WA
Snohomish Co.
United States 		SR 9 / 84th St. NE / Getchell Rd.
(48.07196, -122.11135) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2014 Right-turn-only lanes on all four legs. Open October 2014.
Wenatchee, WA
Chelan Co.
United States 		US 97 Alt / Ohme Garden Rd. / Warehouse Way
(47.48082, -120.32091) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.0940 		Other (At-Grade)
Single-Lane 		2012 Open October 2012. ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		N Waikiki Rd. / N Mill Rd.
(47.76113, -117.42815) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.5085 		Other (At-Grade)
Single-Lane 		2012 Open October 2012. ICD estimated from Google Maps linework.
Redmond, WA
King Co.
United States 		NE Novelty Hill Rd. / 195th Ave. NE
(47.68845, -122.07993) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.5909 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 Open October 2012. ICD estimated from Google Maps linework.
Redmond, WA
King Co.
United States 		NE Union Hill Rd. / 196th Ave. NE
(47.67501, -122.07901) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 Open September 2012.
Arlington, WA
Snohomish Co.
United States 		SR 531 (172nd St NE) / SR 9
(48.15166, -122.11325) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.6373 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 Open October 2012. ICD estimated from Google Maps linework.
Joint Base Lewis-McChord, WA
Pierce Co.
United States 		Portland Ave. SW / Boundary St. SW / Camp Murray Gate
(47.12106, -122.56300) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.6312 		Other (At-Grade)
Single-Lane 		2012 Open October 2012. ICD estimated from Google Maps linework.
Silverdale, WA
Kitsap Co.
United States 		Silverdale Way NW / Chico Way NW / NW Newberry Hill Rd.
(47.63704, -122.70135) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
15.2906 		Other (At-Grade)
Single-Lane 		2012 Open September 2012. ICD estimated from Google Maps linework.
Poulsbo, WA
Kitsap Co.
United States 		NE Lincoln Rd / Noll Rd. NE / Gala Way NE
(47.75092, -122.61274) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2012 Open September 2012. Replaced two offset T-intersections.
Sammamish, WA
King Co.
United States 		NE 8th St. / 233rd Ave NE
(47.61687, -122.02903) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
63.6012 		Other (At-Grade)
Single-Lane 		2012 Open September 2012. ICD estimated from Google Maps linework.
Joint Base Lewis-McChord, WA
Pierce Co.
United States 		Murray Rd. SW / 150th St. SW
(47.12084, -122.54259) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 Open September 2012.
Mill Creek, WA
Snohomish Co.
United States 		SE 116th St. / 56th Ave SE
(47.89201, -122.15856) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
80.8842 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2012 Open August 2012. ICD estimated from Google Maps linework.
South Bend, IN
St. Joseph Co.
United States 		Michigan St. / Bartlett St.
(41.68529, -86.25054) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.5161 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 Adjacent to Hospital, incorporates cycle track on east leg. ICD estimated from Google Maps linework.
South Bend, IN
St. Joseph Co.
United States 		Michigan St. / Chippewa Ave.
(41.63608, -86.25035) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.9530 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
West Lafayette, IN
Tippecanoe Co.
United States 		Cumberland Ave. / Kent Ave.
(40.46064, -86.93030) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.7092 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
West Lafayette, IN
Tippecanoe Co.
United States 		Cumberland Ave. / Yeager Rd.
(40.46072, -86.92457) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.5308 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2012-2015). ICD estimated from Google Maps linework.
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.
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.
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.
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.
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.
Queenstown, MD
Queen Anne's Co.
United States 		Nesbit Rd. / Shoreway Dr.
(38.96600, -76.18291) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2011 Fourth leg stubbed.
Cumberland, MD
Allegany Co.
United States 		US 220 / I-68 EB Ramps
(39.64367, -78.79099) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.0276 		Freeway Ramps (Grade-Separated)
Single-Lane 		2012 Built to facilitate U-turns. Teardrop shape. ICD estimated from Google Maps linework.
Chestertown, MD
Kent Co.
United States 		MD 20 / MD 291 / (parking lot)
(39.21863, -76.07913) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.1899 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Oxon Hill, MD
Prince George's Co.
United States 		Oxon Hill Rd. / (parking lots)
(38.79166, -77.00416) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.0650 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Oxon Hill, MD
Prince George's Co.
United States 		Oxen Hill Rd. / Cedar Ridge Dr. / Panorama Dr.
(38.78452, -77.00597) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.4465 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Fort Washington, MD
Prince George's Co.
United States 		Oxon Hill Rd. / Kerby Hill Rd.
(38.77951, -77.00648) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.4490 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
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, unspecified) 		2013 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.
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.
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.
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, unspecified) 		2015 Lane changes needed for some through movements. ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Tollgate Rd. / Macphail Rd.
(39.51959, -76.35208) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.8120 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2012
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.
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.
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.
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.
Aberdeen, MD
Harford Co.
United States 		Philadelphia Rd. (MD 7) / Ashford Dr.. / Panell Dr.
(39.48593, -76.23873) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.4792 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States 		Tralee Cir. / Ashford Dr.
(39.48395, -76.23831) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.8100 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States 		Burnt Hill Trl. / Atlas Cedar Way / Thistle Hill Dr.
(39.49324, -76.22236) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.1799 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States 		Burnt HIll Trl. / Witch Hazel Way / Limestone Ct.
(39.49486, -76.22046) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.1791 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States 		Thistle Hill Dr. / Witchhazel Way
(39.49563, -76.22415) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.3355 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States 		Burnt Hill Trl. / Holly Oak Cir. / Woods Line Dr.
(39.49605, -76.21740) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8055 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
The Dalles, OR
Wasco Co.
United States 		E 2nd St. / E 3rd St. / Brewery Grade
(45.59719, -121.17291) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.7695 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Boardman, OR
Morrow Co.
United States 		Tatone St. / City Center Dr.
(45.83253, -119.70259) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.2722 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Conway, AR
Faulkner Co.
United States 		S Amity Rd. / (parking lot access)
(35.06506, -92.41518) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.1697 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Boylston Ave. / E. Howell St.
(47.61765, -122.32347) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
128.8107 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Conway, AR
Faulkner Co.
United States 		E Siebenmorgan Rd. / N Museum Rd.
(35.09867, -92.41881) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.9035 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.