Roundabouts Database Index

29411 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
Smolensk, Smolensk Smolensk Russia	prospekt Stroiteley / ulitsa Rylenkova (54.76484, 32.09224)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Smolensk, Smolensk Smolensk Russia	ulitsa Soboleva / ulitsa Stepana Razina (54.79149, 32.06918)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Drachten, Friesland Smallingerland Netherlands	De Lange West / De Tijen / Oliemolenstraat (53.10902, 6.08963)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Drachten, Friesland Smallingerland Netherlands	Zuiderdwarsvaart / Berglaan / Splitting (53.10400, 6.10903)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Drachten, Friesland Smallingerland Netherlands	Splitting (53.10466, 6.12003)	Other Existing	All-Way Yield Unknown	2 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Bicycle roundabout serving junction of bicycle routes at a midblock location. https://fietsberaad.nl/getmedia/298a4e77-8f30-44a1-821b-e0fc2e5853c8/2024_Fietsberaadnotitie-Inrichtingsaanbevelingen-voor-fietsrotondes_v1-0.pdf.aspx?ext=.pdf
Drachten, Friesland Smallingerland Netherlands	Splitting / Ureteropvallaat / Langewyk / Leerweg (53.10621, 6.12082)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Drachten, Friesland Smallingerland Netherlands	Ureterpvallaat / Tjaarda (53.10640, 6.12496)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Drachten, Friesland Smallingerland Netherlands	Zonnedauw / Dopheide / Kraauheide (53.10442, 6.12497)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cippenham, England Slough United Kingdom	A4 (Bath Rd.) / M4 (Hunterscombe Spur) / Goldsworthy Way (51.52017, -0.65469)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Cippenham, England Slough United Kingdom	Bower Way / Lewis Way (51.51827, -0.63716)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Parking along circulatory roadway.
Cippenham, England Slough United Kingdom	Lower Cippenham Ln. / Spring Ln. (51.51471, -0.63438)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Chalvey, England Slough United Kingdom	A355 (Tums Ln.) / Church St. / Cippenham Ln. (51.50871, -0.61241)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Hamburger shaped.
Chalvey, England Slough United Kingdom	Tuns Lane Interchange: A355 (Tuns Ln.) / M4 (Slough-Maidenhead By-Pass) Ramps (51.50311, -0.61641)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Upton Park, England Slough United Kingdom	Red Cow Roundabout: A412 / B376 (Datchet Rd.) / Upton Court Rd. (51.50308, -0.58904)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Brands Hill, England Slough United Kingdom	Langley Roundabout: A4 (London Rd.) / M4 (Slough-Maidenhead By-Pass) Ramps (51.49179, -0.54292)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Harmondsworth, England Slough United Kingdom	(unknown) / (parking) (51.48625, -0.49946)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Colnbrook, England Slough United Kingdom	Horton Rd. / Stanwell Rd. / Poyle Rd. (51.47081, -0.51769)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Colnbrook, England Slough United Kingdom	Poyle Rd. / Blackthorne Rd. (51.47242, -0.51772)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sliedrecht, South Holland Sliedrecht Netherlands	Ouverture / Noordkil / Sonate (51.83164, 4.73714)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.0942	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sliedrecht, South Holland Sliedrecht Netherlands	Ouverture / Menuet (51.82815, 4.73503)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.8818	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sliedrecht, South Holland Sliedrecht Netherlands	Stationsweg / Rembrandtlaan (51.82308, 4.77236)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 16.9787	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sliedrecht, South Holland Sliedrecht Netherlands	Stationsweg / Deltalaan / Thorbeckelaan (51.82494, 4.77330)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.4797	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sliedrecht, South Holland Sliedrecht Netherlands	Thorbeckelaan / Lijsterweg (51.82330, 4.78534)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3606	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sliedrecht, South Holland Sliedrecht Netherlands	Thorbeckelaan / Hoepel / IJsvogel (51.82137, 4.79566)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.6234	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Sliedrecht, South Holland Sliedrecht Netherlands	Circel (Sportlaan / Trapezium / Prisma) (51.82717, 4.79935)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 50.1934	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Slagelse, Zealand Slagelse Denmark	Kalundborgvej / Nordre Ringgade / Valbygårdsvej / Holmstrupvej (55.41103, 11.33797)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Slagelse, Zealand Slagelse Denmark	Primærrute 22 (Omfartsvejen) / Sekundærrute 150 (Korsørvej) (55.38754, 11.32057)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Right-turn-only lanes on all legs.
Slagelse, Zealand Slagelse Denmark	Sekundærrute (Korsørvej) / Asienvej / Spaniensvej (55.38819, 11.32224)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Slagelse, Zealand Slagelse Denmark	Sekundærrute 150 (Korsørvej - Idagårdsvej) / Korsørvej / Europavej (55.39023, 11.32717)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Slagelse, Zealand Slagelse Denmark	Vestre Ringgade / Kalundborgvej / Løvegade / Herluf Trollesvej (55.40629, 11.34113)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Slagelse, Zealand Slagelse Denmark	Primærrute 22 (Omfartsvejen - Kalundborgvej) / Kalundborgvej (55.42542, 11.33127)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Slagelse, Zealand Slagelse Denmark	Sdr. Ringgade / E20 EB Ramps / Trafikcenter Alle (55.38828, 11.36372)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Skopje, Skopski Skopje North Macedonia	R-2134 (Ulica Hristo Tatarchev - Bulevar Srbija) / Ulica Hristo Tatarchev 1 / Ulica Hristo Tatarchev 2 / Ulica Hristo Tatarchev (41.96924, 21.44852)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Gjorče Petrov Municipality, Skopski Skopje North Macedonia	Ulica Gjorche Petrov / Ulica Aco Shopov / Bulevar Partizanski Odredi (42.00864, 21.36844)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Gjorče Petrov Municipality, Skopski Skopje North Macedonia	Ulica Gjorche Petrov / Ulica Voin Drashkoci (42.00722, 21.36551)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Skien, Telemark Skien Norway	Fv32 (Schweigaards Gate - Liegata) / Duestien (59.21216, 9.60272)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Skien, Telemark Skien Norway	Fv32 (Schweigaards Gate - Rektor Ørns Gate) / Kongens Gate (59.21297, 9.60714)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Skien, Telemark Skien Norway	Fv32 (Rektor Ørns Gate - Ivar Aasens Gate) / Rektor Ørns Gate / Ivar Aasens Gate (59.21774, 9.60389)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Skien, Telemark Skien Norway	Fv32 (Ivar Aasens Gate - Risingvegen) / Alexander Kiellands Gate (59.21813, 9.60578)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Skien, Telemark Skien Norway	Rv36 (Voldsvegen - Telemarksvegen) / Fv354 (Elstrømbrua) / Ulefossvegen (59.19160, 9.58936)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Skien, Telemark Skien Norway	Rv36 / Fv357 (Elstrømbrua) / Ulefossvegen (59.19312, 9.58765)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Skien, Telemark Skien Norway	Fv59 (Ulefossvegen) / Ulefossvegen (59.19417, 9.59474)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Skien, Telemark Skien Norway	Fv 59 (Ulefossvegen) / Isaks gate (59.19546, 9.60143)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Skien, Telemark Skien Norway	Fv357 (Elstrømbrua - Skotfossvegen) / Skotfossvegen / Myren (59.20125, 9.58698)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ski, Buskerud Ski Norway	Fv152 (Skiveien) / Tverrveien (59.78770, 10.79937)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ski, Buskerud Ski Norway	Tverrveien / Bakkeveien (59.78762, 10.80164)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ski, Buskerud Ski Norway	Tverrveien / Skogsåsen (59.78658, 10.80537)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ski, Buskerud Ski Norway	Kongeveien / Taraldrudveien (59.79704, 10.82037)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ski, Buskerud Ski Norway	Rte 152 / Ingierveien (59.81270, 10.79695)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ski, Buskerud Ski Norway	Rte 152 / Skiveien (59.81134, 10.80629)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ski, Viken Ski Norway	Fv152 / Trollåsveien (59.81903, 10.78709)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ski, Viken Ski Norway	Fv152 / Rosenholmveien (59.81706, 10.78825)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lillestrøm, Viken Skedsmo Norway	Fv171 (Haldenveien) / Gauteidveien (60.02251, 11.11696)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lillestrøm, Viken Skedsmo Norway	Fv171 (Haldenveien) / Trondheimsveien (60.03040, 11.11440)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lillestrøm, Buskerud Skedsmo Norway	Fv22 (Fetveien) / Fv120 (Skedsmo Kirkevei) (59.96952, 11.04990)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Lillestrøm, Buskerud Skedsmo Norway	Fv22 (Trondheimsveien) / Nordbyveien / Hvamstubben (59.97858, 11.00101)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Lillestrøm, Buskerud Skedsmo Norway	Fv22 (Trondheimsveien - Fetveien) / Trondheimsveien (59.98038, 11.01192)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lillestrøm, Buskerud Skedsmo Norway	Fv22-Rv22 (Trondheimsveien) / E6 NB Ramps (59.97883, 10.99687)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Lillestrøm, Buskerud Skedsmo Norway	Rv22 (Trondheimsveien) / E6 SB Ramps (59.98024, 10.99259)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Lillestrøm, Buskerud Skedsmo Norway	Rv22 (Trondheimsveien) / (shopping centre entrance) (59.98137, 10.98736)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Lillestrøm, Buskerud Skedsmo Norway	Nordbyveien / Nordens Vei (59.96787, 11.00727)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lillestrøm, Buskerud Skedsmo Norway	Nordbyveien / Skjettenveien / Statsråd Ihlens vei (59.96216, 11.00892)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lillestrøm, Buskerud Skedsmo Norway	Rv22 (Trondheimsveien) / Bråteveien / (unknown) (59.98061, 10.97211)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lillestrøm, Buskerud Skedsmo Norway	Fv22 (Fetveien) / Holtveien (59.97593, 11.02539)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lillestrøm, Buskerud Skedsmo Norway	Fv22 (Fetveien) / Rolf Olsens Vei (59.96310, 11.05940)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lillestrøm, Buskerud Skedsmo Norway	Fv120 (Skedsmo Kirkevei) / E6 NB Ramps (59.99737, 11.04259)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Lillestrøm, Buskerud Skedsmo Norway	Rv 226 (Skedsmo Kirkevei) / Furuveien / E6 SB Ramps (59.99946, 11.03962)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Lillestrøm, Buskerud Skedsmo Norway	Rv 226 (Skedsmo Kirkevei - Gjerdrumsveien) / Trondheimsveien (60.00460, 11.03276)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Lillestrøm, Buskerud Skedsmo Norway	Fv22 (Fetveien) / Tuenveien / Borgenveien (59.94527, 11.11180)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Lillestrøm, Buskerud Skedsmo Norway	Rv22 (Fetveien) / Rv159 (59.95298, 11.07755)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Lillestrøm, Viken Skedsmo Norway	Fv170 (Kompveien) / Tofsrudveien / Gransveien (59.92374, 11.19576)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lillestrøm, Viken Skedsmo Norway	Rv22 (Fetveien) / Fv170 (Kompveien) (59.92227, 11.18379)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Through lane bypass on east leg.
Lillestrøm, Viken Skedsmo Norway	Rv22 (Fetveien) / Fv172 (Kirkeveien) (59.92293, 11.17028)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lillestrøm, Viken Skedsmo Norway	Rv22 (Fetveien) / Fv169 (59.87936, 11.22042)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Skarżysko-Kamienna, Świętokrzyskie Skarżyski Poland	Rondo Solidarności [DK42 (Aleja Jana Pawła II - Legionów) / Legionów / Staffa] (51.10291, 20.85716)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Stevenson, WA Skamania Co. United States	SR 14 / Wind River Rd. (45.71510, -121.82857)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.1939	Other (At-Grade) Single-Lane	2019	Completed Summer 2019 (WSDOT). ICD estimated from Google Maps linework.
Burlington, WA Skagit Co. United States	E George Hopper Rd. / S Walnut St. (48.45200, -122.33174)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.5955	Other (At-Grade) Single-lane w/ Traversable Central Island	2015	ICD estimated from Google Maps linework.
Burlington, WA Skagit Co. United States	Marketplace Dr. / S Walnut St. (48.44859, -122.33169)	Roundabout Existing	Other None	4 Approaches 0 Driveways 15.0516	Other (At-Grade) Single-lane w/ Traversable Central Island	2015	Year Completed estimated (2015-2016). Two approaches have stop signs at the crosswalk and yield lines (without yield signs) at the entrance (streetview), and no control at the crosswalks on the exit side. ICD estimated from Google Maps linework.
Mount Vernon, WA Skagit Co. United States	E Division St. / Waugh Rd. (48.42091, -122.28709)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.1934	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Anacortes, WA Skagit Co. United States	SR 20 / Miller Rd. / Gibralter Rd. (48.45438, -122.58269)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.7733	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Anacortes, WA Skagit Co. United States	32nd St. / D Ave. (48.49654, -122.63159)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2018
Mount Vernon, WA Skagit Co. United States	SR 9 / Old Day Creek Rd. / Francis Rd. (48.46779, -122.23666)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2018
Anacortes, WA Skagit Co. United States	SR 20 / SR 20 Spur (48.46352, -122.58156)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 53.8530	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Swinomish Tribal Community, WA Skagit Co. United States	SR 20 / Padilla Heights Rd. (48.45519, -122.51940)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2280	Other (At-Grade) Single-Lane	2002	The ground breaking ceremony was held October 2002. The client is the Swinomish Tribe. Opened October 2002. Functional Class: Local ICD estimated from Google Maps linework.
La Conner, WA Skagit Co. United States	LaConner-Whitney Rd. / Chilberg Rd. / Morris Sr. (48.39234, -122.48660)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.5504	Other (At-Grade) Single-Lane	2003	Roundabout replaces a Y intersection. The center island is under private ownership and contains an exisitng granite monument. Opened September 2003. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Anacortes, WA Skagit Co. United States	Commercial Ave. / SR20 Spur (48.49332, -122.61280)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 34.8256	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Swinomish Tribal Community, WA Skagit Co. United States	Knudsen Ln. / Casino Dr. (48.45635, -122.51910)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.2668	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Anacortes, WA Skagit Co. United States	Pennsylvania Ave. / W 12th St. (48.49817, -122.65669)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2010	Built for the purpose of traffic calming near a residential park area. Concrete-asphalt.
Mount Vernon, WA Skagit Co. United States	SR 538 (E College Way) / SR 9 (48.43002, -122.26460)	Roundabout Existing	Unknown Unknown	3 Approaches 1 Driveways 38.0389	Other (At-Grade) Single-Lane	2007	Opened July 2007. Rural. Fatal crash December 22, 2011. 11861-05. ICD estimated from Google Maps linework.
Mount Vernon, WA Skagit Co. United States	Best Rd. / McLean Rd. (48.42070, -122.44380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.4976	Other (At-Grade) Single-Lane	2009	April 2009. On high-speed rural roadways. ICD estimated from Google Maps linework.
Sedro-Woolley, WA Skagit Co. United States	SR 9-SR 20 (Cascade Loop) / Patrick St. / Skagit Way (48.51051, -122.24156)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2009	Elliptical shaped. ICD = 120 ft x 105 ft. August 2009. ICD estimated from Google Maps linework.
Burlington, WA Skagit Co. United States	N Burlington Blvd. / (parking) (48.48060, -122.33544)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2008	October 2008. Entrance to high school.
Burlington, WA Skagit Co. United States	SR 11 (Chuckanut Dr.) / I-5 SB Ramps / Josh Wilson Rd. (48.48585, -122.33867)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2010	Right-turn-only lanes on east and west legs. Replaced two T-intersections. September 2010.
Burlington, WA Skagit Co. United States	SR 11 (Chuckanut Dr.) / I-5 NB Ramps / Old Hwy 99 (48.48359, -122.33559)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2010	October 2010. Right-turn-only lanes on south and east legs. Merging right-turn-bypass lane on west leg.
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.
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.