Roundabouts Database Index

29616 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
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.
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
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, 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
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.
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	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	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	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/
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)
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
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 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, 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.
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
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
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
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.
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 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)
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
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 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	N Clarendon Ave (45.58974, -122.72415)	Traffic Calming Circle Existing	Unknown None	1 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Portland, OR Multnomah Co. United States	NE 47th Ave. / NE Brazee St. (45.54056, -122.61496)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 34.2970	Other (At-Grade) Single-Lane	1990	Completed 9/25/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 47th Ave. / NE Thompson St. (45.53903, -122.61496)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 18.4038	Other (At-Grade) Single-Lane	1990	Completed 9/25/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Clackamas St. / NE 53rd Ave. (45.53300, -122.60880)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 30.1185	Other (At-Grade) Single-Lane	1988	Completed 11/3/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 53rd Ave. / NE Hassalo St. (45.53048, -122.60880)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 35.1398	Other (At-Grade) Single-Lane	1988	Completed 11/3/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Tillamook St. (W) (45.53790, -122.65861)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 83.6552	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Sacramento St. (45.53955, -122.65862)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 121.2965	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Russell St. (45.54126, -122.65861)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 161.4450	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Graham St. (45.54296, -122.65859)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 161.4401	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Morris St. (45.54468, -122.65860)	Traffic Calming Circle Removed	One-Way/Two-Way Stop None	3 Approaches 0 Driveways 128.8135	Other (At-Grade) Single-Lane	2013	Neighborhood traffic circle was installed 1/9/1992. Removed in 2013 as part of upgrades to the Neighborhood Greenway. Added speed humps nearby. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 7th Ave. / NE Cook St. (45.54717, -122.65859)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 17.5647	Other (At-Grade) Single-Lane	1992	Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Fremont Dr. / NE Dyer St. (45.54603, -122.57509)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 29.2751	Other (At-Grade) Single-Lane	1986	Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Fremont Dr. / NE 86th Ave. (45.54567, -122.57478)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 25.0931	Other (At-Grade) Single-Lane	1986	Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Fremont Dr. / NE Duddleson St. (45.54667, -122.57574)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 33.4569	Other (At-Grade) Single-Lane	1986	Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Holman St. / NE 34th Ave. (45.56826, -122.62965)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 159.6952	Other (At-Grade) Single-Lane	1988	Completed 10/28/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Holman St. / NE 37th Ave. (45.56826, -122.62557)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	1988	Completed 10/28/1988.
Portland, OR Multnomah Co. United States	NE Holman St. / NE 41st St. (45.56858, -122.62172)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 81.9374	Other (At-Grade) Single-Lane	1988	Completed 10/28/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Imperial Ave. / NE Multnomah St. (45.53154, -122.62719)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 74.4616	Other (At-Grade) Single-Lane	1987	Completed 10/22/1987. ICD estimated from Google Maps linework.
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	NE Yacht Harbor Drive (45.60542, -122.66034)	Other Existing	All-Way Yield Unknown	1 Approaches 2 Driveways 25.9020	Other (At-Grade) Single-Lane	2006	N end of Yacht Harbor Drive, yield entry at south, driveway at west and driveway at east. 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, 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	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	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.