Roundabouts Database Index

29465 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.

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	NE US Grant Pl. / NE 35th Ave. (45.53779, -122.62841)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 14.2214	Other (At-Grade) Single-Lane	1989	Completed 10/11/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE US Grant Pl. / NE 36th Ave. (45.53777, -122.62601)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 40.1546	Other (At-Grade) Single-Lane	1989	Completed 10/11/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 26th Ave. / NW Raleigh St. (45.53397, -122.70479)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 19.2420	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 27th Ave. / NW Raleigh St. (45.53395, -122.70680)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 10.0393	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 15th Ave. / SE Oak St. (45.52006, -122.65057)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 23.4309	Other (At-Grade) Single-Lane	1988	Completed 9/6/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 15th Ave. / SE Alder St. (45.51792, -122.65058)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 15.9001	Other (At-Grade) Single-Lane	1988	Completed 9/7/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 14th Ave. / SE Main St. (45.51365, -122.65165)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 15.9013	Other (At-Grade) Single-Lane	1988	Completed 9/12/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 13th Ave. / SE Madison St. (45.51294, -122.65266)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 12.5539	Other (At-Grade) Single-Lane	1988	Completed 9/8/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 14th Ave. / SE Taylor St. (45.51507, -122.65166)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 17.5747	Other (At-Grade) Single-Lane	1988	Completed 9/12/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 14th Ave. / SE Pine St. (45.52077, -122.65158)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 15.0625	Other (At-Grade) Single-Lane	1988	Completed 9/12/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 16th Ave. / SE Ash St. (45.52148, -122.64956)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 22.5935	Other (At-Grade) Single-Lane	1988	Completed 10/7/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 27th Ave. / SE Salmon St. (45.51429, -122.63812)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 29.2916	Other (At-Grade) Single-Lane	1982	Completed 2/16/1982. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 30th Ave. / SE Grant St. (W) (45.50679, -122.63472)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 14.2293	Other (At-Grade) Single-Lane	1990	Completed 4/16/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 30th Ave. / SE Grant St. (E) (45.50726, -122.63473)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 109.6480	Other (At-Grade) Single-Lane	1990	Completed 4/16/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 41st Ave. / SE Harrison St. (45.50878, -122.62020)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 80.3506	Other (At-Grade) Single-Lane	1990	Completed 5/30/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 36th Ave. / SE Bybee Blvd. (45.47241, -122.62621)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 56.9518	Other (At-Grade) Single-Lane	1992	Completed 10/6/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE Bybee Blvd. / (SE 37th Ave.) (45.47243, -122.62440)	Traffic Calming Circle Existing	Uncontrolled None	2 Approaches 0 Driveways 20.1003	Other (At-Grade) Single-Lane	1992	Completed 10/6/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 34th Ave. / SE Bybee Blvd. (45.47319, -122.62826)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 81.2389	Other (At-Grade) Single-Lane	1992	Completed 9/30/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 30th Ave. / SE Gladstone St. (45.49337, -122.63466)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 32.6514	Other (At-Grade) Single-Lane	1996	Completed 10/17/1996. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 34th Ave. / SE Gladstone St. (45.49335, -122.62978)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 61.9539	Other (At-Grade) Single-Lane	1996	Completed 10/17/1996. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 37th Ave. / SE Harrison St. (45.50879, -122.62572)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 80.3506	Other (At-Grade) Single-Lane	1990	Completed 9/14/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE Ladd Ave. / SE Palm St. (45.51025, -122.65144)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 40.1743	Other (At-Grade) Single-Lane	1993	Completed 11/8/1993. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE Ladd Ave. / SE Lavender St. (45.50686, -122.64744)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 24.2734	Other (At-Grade) Single-Lane	1983	Completed 11/8/1983. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 46th Ave. / SE Lincoln St. (45.50802, -122.61510)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 35.1539	Other (At-Grade) Single-Lane	1990	Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SW 47th Dr. / SW 43rd Ave. (45.49245, -122.72111)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.4198	Other (At-Grade) Single-lane w/ Traversable Central Island	2007	Completed 4/29/2007. Painted but unraised central island. No splitter islands. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 13th Ave. / SE Salmon St. (45.51434, -122.65264)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 17.5750	Other (At-Grade) Single-Lane	1989	Completed 1/11/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 16th Ave. / SE Salmon St. (45.51435, -122.64961)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 15.0642	Other (At-Grade) Single-Lane	1982	Completed 2/18/1982. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 36th Ave. / SE Clinton St. (45.50337, -122.62630)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 40.1792	Other (At-Grade) Single-Lane	1990	Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 45th Ave. / SE Clinton St. (45.50336, -122.61610)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 87.0549	Other (At-Grade) Single-Lane	1990	Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 47th Ave. / SE Clinton St. (45.50336, -122.61400)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 32.6456	Other (At-Grade) Single-Lane	1990	Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 56th Ave. / SE Woodward St. (45.50140, -122.60500)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 43.5289	Other (At-Grade) Single-Lane	1988	Completed 10/27/1998. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 58th Ave. / SE Woodward St. (45.50140, -122.60310)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	1988	Completed 10/27/1998.
Portland, OR Multnomah Co. United States	NE 24th Ave. / Brazee St. (45.54050, -122.64110)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989.
Portland, OR Multnomah Co. United States	NE 24th Ave. / Thompson St. (45.53896, -122.64110)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 56.8845	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 24th Ave. / Tillamook St. (45.53741, -122.64110)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 56.0495	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 21st Ave. / Thompson St. (45.53898, -122.64420)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 34.2980	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 21st Ave. / Brazee St. (45.54051, -122.64420)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 86.9974	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 37th Ave. / Morris St. / Wisteria St. (45.54467, -122.62500)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 16.7290	Other (At-Grade) Single-Lane	1986	Completed 12/23/1986. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 37th Ave. / Brazee St. (45.54057, -122.62500)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 119.6213	Other (At-Grade) Single-Lane	1987	Completed 10/16/1987. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 37th Ave. / Thompson St. (45.53904, -122.62500)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 94.5285	Other (At-Grade) Single-Lane	1987	Completed 11/16/1987. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 32nd Ave. / SE Lincoln St. (45.50825, -122.63270)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 12.5549	Other (At-Grade) Single-Lane	1990	Completed 4/25/1990. ICD estimated from Google Maps linework.
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. / 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. / 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. / 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