Roundabouts Database

28965 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
Portland, OR
Multnomah Co.
United States 		SE 30th Ave. / SE Caruthers St.
(45.50550, -122.63470) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
78.6812 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 31st Ave. / SE Clinton St.
(45.50354, -122.63360) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
14.2301 		Other (At-Grade)
Single-Lane 		1990 Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 23rd Ave. / SE Clinton St.
(45.50339, -122.64260) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
31.8085 		Other (At-Grade)
Single-Lane 		1990 Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 37th Ave. / SE Lincoln St.
(45.50806, -122.62570) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
15.0659 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 43rd Ave. / SE Lincoln St.
(45.50799, -122.61810) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
22.5989 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 51st Ave. / SE Lincoln St.
(45.50803, -122.61000) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
15.0659 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 55th Ave. (N) / SE Lincoln St.
(45.50806, -122.60650) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		1990 Completed 5/14/1990.
Portland, OR
Multnomah Co.
United States 		SE 55th Ave. (S) / SE Lincoln St.
(45.50804, -122.60610) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		1990 Completed 5/14/1990.
Portland, OR
Multnomah Co.
United States 		SE 58th Ave. (S) / SE Lincoln St.
(45.50805, -122.60380) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
104.6245 		Other (At-Grade)
Single-Lane 		1990 Completed 5/8/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SW Terwilliger Blvd. / SW Palater Rd.
(45.45290, -122.67660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2002 Roundabout replaces existing Y-intersection, adds fourth leg to serve college law school. Includes driveway into roundabout serving two homes. Roundabout is on tilted plane with central island plane steeper than inscribed circle plane to manage cross slopes. Northeast leg (Palater Road) has 8-9 percent grade down into roundabout, then flattens using a short vertical curve to a zero percent crown at the top of the circulatory roadway. Maximum grade through the roundabout is 4 percent; maximum cross slope is -2 percent. First roundabout under City of Portland jurisdiction.
Portland, OR
Multnomah Co.
United States 		NW 25th Ave. / NW Quimby St.
(45.53328, -122.70277) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
15.8958 		Other (At-Grade)
Single-Lane 		1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NW 25th Ave. / NW Overton St.
(45.53190, -122.70270) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
44.3420 		Other (At-Grade)
Single-Lane 		1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NW 25th Ave. / NW Marshall St.
(45.53040, -122.70270) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
62.7498 		Other (At-Grade)
Single-Lane 		1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Cesar E Chavez Blvd. (NE 39th Ave.) / NE Glisan St.
(45.52640, -122.62300) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
68.6113 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Stop-controlled entries into circle. Bus stop within circulatory roadway. Historical rotary with stop control. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE Ladd Circle
(45.50850, -122.64940) 		Other
Existing 		Unknown
None 		0 Approaches
0 Driveways
92.0689 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Mt. Hood Ave. / Frontage Rd. / PDX Airport Economy Blue Lot / PDX Airport Economy Red Lot
(45.57770, -122.55950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.7822 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Portland, WI
Monroe Co.
United States 		STH 27 / STH 33
(43.74201, -90.79387) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2016
Portland, VIC
Glenelg
Australia 		Percy St. / Otway St. / Otway Ct.
(-38.34213, 141.60391) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Portland, VIC
Glenelg
Australia 		Percy St. / Fern St.
(-38.34005, 141.60399) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Porto Alegre, Rio Grande do Sul

Brazil 		Rotatória (Avenida Juca Batista / Avenida da Serraria / Estrada Campo Novo)
(-30.14375, -51.21595) 		Signalized Roundabout/Circle
Existing 		Signal
None 		4 Approaches
3 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Porto Salvo, Lisbon
Oeiras
Portugal 		Estrada de Leião / Estrada de Paço de Arcos / Estrada de São Marcos / Estrada Octávio Pato
(38.75093, -9.30600) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Elliptical shaped.
Porto Torres, Sardinia
Sassari
Italy 		SP34 / Via Fratelli Vivaldi
(40.83029, 8.38154) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Porto Torres, Sardinia
Sassari
Italy 		E25 / SP34
(40.83486, 8.38836) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Porto Torres, Sardinia
Sassari
Italy 		E25 / Via Amerigo Vespucci
(40.83773, 8.38802) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Porto Torres, Sardinia
Sassari
Italy 		Molo di Ponente / (parking)
(40.83964, 8.39357) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Porto Torres, Sardinia
Sassari
Italy 		Molo di Ponente / (unknown)
(40.83919, 8.39456) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Porto Torres, Sardinia
Sassari
Italy 		E25 / (unknown) / (parking)
(40.83956, 8.39703) 		Roundabout
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Porto Torres, Sardinia
Sassari
Italy 		Via Mare / (parking)
(40.83966, 8.40175) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Porto Torres, Sardinia
Sassari
Italy 		Via dei Corbezzoli / Via Libero Grassi
(40.82608, 8.41952) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Right-turn bypass lane on south leg.
Portree, Scotland
Highland
United Kingdom 		A87 (Dunvegan Rd.) / Woodpark Rd. / Matheson Pl.
(57.41704, -6.20977) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Portree, Scotland
Highland
United Kingdom 		Woodpark Rd. / Road of the Hay
(57.41921, -6.20432) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Portree, Scotland
Highland
United Kingdom 		Rathad Na H-Airigh / Ceãrn Rõmasdail
(57.42095, -6.19955) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Portsea, VIC
Mornington Peninsula
Australia 		Back Beach Rd. / Hotham Rd.
(-38.33092, 144.70854) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Portsmith, QLD
Cairns
Australia 		Aumuller St. / Cook St.
(-16.94331, 145.77038) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Portsmouth, VA
N/A Co.
United States 		Crawford St. / Bart St.
(36.83202, -76.29770) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.8849 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Portsmouth, NH
Rockingham Co.
United States 		US 1 / US 1 Bypass / US 4
(43.07290, -70.78094) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
138.7179 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Portsmouth, VA

United States 		Greenwood Dr. / McLean St.
(36.80493, -76.34554) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.9943 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 ICD estimated from Google Maps linework.
Portsmouth, VA

United States 		Hartford St. / Park Rd.
(36.84064, -76.35030) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.4982 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Porvoo, Uusimaa
Porvoo
Finland 		Veckjärventie / Industrivägen
(60.40060, 25.69470) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Porvoo, Uusimaa
Porvoo
Finland 		Saksalantie / Gamla Tavastehusvägen / Hornhattulavägen / Rudintie
(60.40333, 25.63269) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Porvoo, Uusimaa
Porvoo
Finland 		Kantatiet 55 (Mäntsälävägen) / Ratsumestarinkatu / Harabackagatan
(60.39280, 25.60776) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Pos Chikito,

Aruba 		Rte 1A-1B / Rte 4A-4B / Balashi
(12.47948, -69.97859) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		Turbo roundabout.
Pos Chikito,

Aruba 		Rontonde Tromp: Rte 1A-1B / Sabana Basora
(12.46603, -69.96580) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, 2x1 max)
Post Falls, ID
Kootenai Co.
United States 		E Hope Ave. / N Damascus Rd.
(47.73751, -116.88406) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2019 North leg stubbed. Year Completed estimated (2018-2020).
Post Falls, ID
Kootenai Co.
United States 		E Poleline Ave. / N Cecil Rd.
(47.73044, -116.90517) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.postfalls.gov/poleline-cecil-project/
Post Falls, ID
Kootenai Co.
United States 		W Prairie Ave. / Fennecus Rd.
(47.74478, -116.88383) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 South leg is gravel road. https://cdapress.com/news/2023/oct/31/prairie-avenue-highway-41-re-opens/
Post Falls, ID
Kootenai Co.
United States 		W Prairie Ave. / Zorros Rd.
(47.74482, -116.88889) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://cdapress.com/news/2023/oct/31/prairie-avenue-highway-41-re-opens/
Post Falls, ID
Kootenai Co.
United States 		W Prairie Ave. / Spokane St.
(47.74500, -116.94847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 https://www.postfalls.gov/city_info/Project%20Updates/PrairieSpokane1121.pdf
Post Falls, ID
Kootenai Co.
United States 		W Prairie Ave. / N Idaho St.
(47.74509, -116.93746) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 At-grade rail crossing approximately 350 feet to west.
Post Falls, ID
Kootenai Co.
United States 		N Charleville Rd. / E Hope Ave.
(47.73763, -116.90082) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2015-2016).
Post Falls, ID
Kootenai Co.
United States 		W Prairie Ave. / N Chase Rd.
(47.74515, -116.95907) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2018
Post Falls, ID
Kootenai Co.
United States 		W Prairie Ave. / N McGuire Rd.
(47.74518, -116.98054) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2011
Post Falls, ID
Kootenai Co.
United States 		E Poleline Ave. / N Syringa St.
(47.73046, -116.92663) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.9697 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Post Falls, ID
Kootenai Co.
United States 		N Syringa St. / Bogie Dr.
(47.73373, -116.92700) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.5573 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Post Falls, ID
Kootenai Co.
United States 		Poleline Ave. / N Spokane St.
(47.73053, -116.94794) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3464 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Post Falls, ID
Kootenai Co.
United States 		E Poleline Ave. / N Idaho St.
(47.73053, -116.93738) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.6732 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Potomac, MD
Montgomery Co.
United States 		Brickyard Rd. / Hackamore Dr.
(38.98567, -77.21274) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Potomac, MD
Montgomery Co.
United States 		Brickyard Rd. / Horseshoe Ln.
(38.99291, -77.21195) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Potomac, MD
Montgomery Co.
United States 		Brickyard Rd. / Brent Rd.
(38.99900, -77.22362) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
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
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.
Potomac Heights, MD
Charles Co.
United States 		Cedar Ln. / Glymont Rd. / Greenwood Pl.
(38.60764, -77.14063) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Poughkeepsie, NY
Dutchess Co.
United States 		Smith St. / Salt Point Turnpike / Creek Rd.
(41.71336, -73.90808) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2017 Previously this was a triangular set of three intersections each controlled by one or two stop signs.
Poughkeepsie, NY
Dutchess Co.
United States 		Reservoir Square
(41.70031, -73.92113) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island. Parking along circulatory roadway.
Poughkeepsie, NY
Dutchess Co.
United States 		Rte 376 / Vassar Lake Dr.
(41.68654, -73.89823) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
18.7303 		Other (At-Grade)
Single-Lane 		2006 Near Vassar College ICD estimated from Google Maps linework.
Poughkeepsie, NY
Dutchess Co.
United States 		Rte 376 / College Ave.
(41.68975, -73.89973) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.7562 		Other (At-Grade)
Single-Lane 		2006 Near Vassar College ICD estimated from Google Maps linework.
Poughkeepsie, NY
Dutchess Co.
United States 		Rte 376 / Collegeview Ave.
(41.69179, -73.90046) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.3227 		Other (At-Grade)
Single-Lane 		2008 Near Vassar College 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.
Poulsbo, WA
Kitsap Co.
United States 		SR 305 / Johnson Way NE / Peterson Way NE
(47.71979, -122.62244) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2021
Poulsbo, WA
Kitsap Co.
United States 		Johnson Rd. NE / Johnson Pkwy.
(47.72250, -122.62224) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021
Pound Hill North, England
West Sussex
United Kingdom 		A23-M23 / Ring Rd.
(51.15932, -0.15429) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Pound Hill North, England
West Sussex
United Kingdom 		Gatwick Interchange [Airport Way / M23 Ramps]
(51.15902, -0.13476) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		Oval shaped.
Pound, Village of, WI
Marinette Co.
United States 		STH 64 / US 141 SB Ramps
(45.10962, -88.02036) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
37.0876 		Freeway Ramps (Grade-Separated)
Single-Lane 		2014 Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Pound, Village of, WI
Marinette Co.
United States 		STH 64 / US 141 NB Ramps
(45.10885, -88.01804) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
48.8889 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Považská Bystrica, Trenciansky
Považská Bystrica
Slovakia 		Rte 517 (Partizánska) / Lánska / Prístupová
(49.11315, 18.44759) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Považská Bystrica, Trenciansky
Považská Bystrica
Slovakia 		II/517 (Partizánska) / Lánska / Prístupová
(49.11315, 18.44758) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Považská Bystrica, Trenciansky
Považská Bystrica
Slovakia 		II/517 (Partizánska 44 - Slovenských partizánov) / III/1966
(49.10245, 18.45703) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Považská Bystrica, Trenciansky
Považská Bystrica
Slovakia 		II/517 (Milana Rastislava Štefánika) / Martina Kukučína / Hviezdoslavova / Šoltésovej
(49.11776, 18.43852) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Powder Springs, GA
Cobb Co.
United States 		Atlanta St. / Lewis Rd.
(33.85794, -84.68393) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2016 Dotted lines across exits.
Powell, OH
Delaware Co.
United States 		S Liberty St. / Salisbury Dr.
(40.14137, -83.07254) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://engineer.co.delaware.oh.us/photogallery/
Powell, OH
Delaware Co.
United States 		Sawmill Rd. / Presidential Pkwy.
(40.14895, -83.08899) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2023 https://engineer.co.delaware.oh.us/image_slider/presidential-parkway-and-sawmill-road-intersection-2023/
Powell, TN
Knox Co.
United States 		W Beaver Creek Dr. / Brickyard Rd. / Lyngate Blvd.
(36.02440, -84.02453) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 Combined two T-intersections. Year Completed estimated (2023-2024).
Poysdorf, Lower Austria
Mistelbach
Austria 		B7 / E461 SB Ramps / L23 (Brünner Bundesstraße) / Weinstraße Niederösterreich
(48.70543, 16.65040) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Single-Lane
Požega, Požega-Slavonia

Croatia 		D38-D51 (Osječka - Kralja Zvonimira) / Osječka / (parking)
(45.33950, 17.68175) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Požega, Požega-Slavonia

Croatia 		Njemačka / Miroslava Kraljevića / Arslanovci / Armina Pavića
(45.33364, 17.68374) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Prague, Prague
Prague
Czechia 		Evropská / Československé armády / Svatovítská / Jugoslávských partyzánů
(50.10058, 14.39540) 		Other
Existing 		All-Way Yield
Pedestrian Signal (red-yellow-green to drivers) 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Trams through central island.
Prague, Prague
Prague
Czechia 		Litochlebské náměstí [Türkova / Hviezdoslavova / Chilská / Ke stáčírně]
(50.03121, 14.50700) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Prague, Prague
Prague
Czechia 		Prosecká / Listova / E55 (Kbelská) NB Ramps
(50.12538, 14.51308) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Prague, Central Bohemia
Praha - západ
Czechia 		Aviatická / D7 (Lipská) WB Ramps
(50.11599, 14.28595) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Single-Lane 		Bypass lanes on all legs.
Prague, Prague
Prague
Czechia 		Přátelství / Podleská
(50.03862, 14.58934) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Prague, Prague
Prague
Czechia 		Přátelství / K Netlukám / K Uhříněvsi
(50.03138, 14.60868) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
1 Driveways
 Other (At-Grade)
Single-Lane
Praia da Vitória, Terceira Island

Portugal 		Estrada da Circunvalação (Rte 2A) / Caminho dos Poços
(38.71093, -27.06084) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.2571 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Praia da Vitória, Terceira Island

Portugal 		Estrada da Circunvalação (Rte 1A) / Via Vitorino Nemesio
(38.71992, -27.06340) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
1 Driveways
44.7279 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Prairie du Chien, WI
Crawford Co.
United States 		S Marquette Rd. / E Blackhawk Ave.
(43.05193, -91.14100) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
40.1459 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 Series of three roundabouts. Nearby at-grade rail crossing. ICD estimated from Google Maps linework.
Prairie du Chien, WI
Crawford Co.
United States 		S Marquette Rd. / E Wisconsin St.
(43.05037, -91.14098) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
33.1649 		Other (At-Grade)
Single-Lane 		2014 Series of three roundabouts. Nearby at-grade rail crossing. ICD estimated from Google Maps linework.
Prairie du Chien, WI
Crawford Co.
United States 		S Marquette Rd. / E Iowa St.
(43.04911, -91.14094) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
41.8934 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 Series of three roundabouts. Nearby at-grade rail crossing. ICD estimated from Google Maps linework.
Prairie Township, OH
Franklin Co.
United States 		S Grener Ave. / Old Grener Ave.
(39.95164, -83.12259) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.2134 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Prairie Village, KS
Johnson Co.
United States 		Meadowbrook Pkwy.
(38.96147, -94.64582) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown