Roundabouts Database Index

28784 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
Gretna, NE Sarpy Co. United States	S 180th St. / Camelback Ave. (41.15770, -96.19688)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 57.9120	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2023	Year Completed estimated (2022-2023).
Arcadia, IN Hamilton Co. United States	E 236th St. / US 31 SB Ramps (40.13069, -86.12917)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.in.gov/indot/about-indot/central-office/welcome-to-the-greenfield-district/interchange-project-at-us-31-and-236th-street/
Cicero, IN Hamilton Co. United States	Northbound Ramps / E 236th St. / US 31 NB Ramps (40.13083, -86.12698)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.in.gov/indot/about-indot/central-office/welcome-to-the-greenfield-district/interchange-project-at-us-31-and-236th-street/
Ruffs Dale, PA Westmoreland Co. United States	SR 3014 (Hunker Rd.) / I-70 WB Ramps (40.21336, -79.66387)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.8640	Freeway Ramps (Grade-Separated) Single-Lane	2021	Year Completed estimated (2020-2021).
Jackson, MI Jackson Co. United States	N Elm Ave. / I-94-US 127 EB Ramps (42.27461, -84.38325)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 53.3400	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.michigan.gov/mdot/projects-studies/i-route-construction/i94-road-and-bridge-rebuilding-project-jackson-county
Jackson, MI Jackson Co. United States	N Elm Ave. / I-94-US 127 WB Entrance Ramp (42.27627, -84.38357)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.michigan.gov/mdot/projects-studies/i-route-construction/i94-road-and-bridge-rebuilding-project-jackson-county
(unincorporated), NC Robeson Co. United States	Leeper Rd. / I-295 SB Ramps (34.92075, -78.97889)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2022	https://abc11.com/nc-fayetteville-outer-loop-i295-new-sections-open/12478490/
(unincorporated), NC Robeson Co. United States	Leeper Rd. / I-295 NB Ramps (34.92281, -78.97772)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2022	https://abc11.com/nc-fayetteville-outer-loop-i295-new-sections-open/12478490/
(unincorporated), NC Cumberland Co. United States	Old Plank Rd. / I-295 SB Ramps (34.94793, -78.99697)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2022	Yield-controlled right-turn bypass lanes on north and west legs. https://abc11.com/nc-fayetteville-outer-loop-i295-new-sections-open/12478490/
(unincorporated), NC Cumberland Co. United States	Old Plank Rd. / I-295 NB Ramps (34.94791, -78.99430)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2022	Yield-controlled right-turn bypass lanes on south and east legs. https://abc11.com/nc-fayetteville-outer-loop-i295-new-sections-open/12478490/
Burnsville, MN Dakota Co. United States	Cliff Rd. W / I-35W SB Ramps (44.78229, -93.29009)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1480	Freeway Ramps (Grade-Separated) Single-Lane	2022	https://patch.com/minnesota/burnsville/construction-begins-i-35w-southbound-ramp-improvement-project
Howard, WI Brown Co. United States	CR VV (Marley St.) / STH 29 WB Ramps (44.57753, -88.17131)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022	https://wisconsindot.gov/Pages/projects/by-region/ne/wis29study/schedule.aspx
Kuching, Sarawak Bahagian Kuching Malaysia	Jalan Datuk Tawi Sli (1.52093, 110.33663)	Rotary Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 200.0000	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)		Oval shaped. ICD = 200 m x 160 m.
Kuching, Sarawak Bahagian Kuching Malaysia	Jalan Tun Razak / Jalan Wan Alwi / Jalan Ridgeway (1.53037, 110.35927)	Rotary Existing	All-Way Yield Unknown	6 Approaches 0 Driveways 230.0000	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Kuching, Sarawak Bahagian Kuching Malaysia	Jalan Lapangan Terbang (1.50399, 110.34811)	Other Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)		Vehicular access to central island.
Hobart, WI Brown Co. United States	CR VV (Marley St.) / STH 29 EB Ramps (44.57594, -88.17273)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022	https://wisconsindot.gov/Pages/projects/by-region/ne/wis29study/schedule.aspx
Anoka, MN Anoka Co. United States	Green Haven Rd. / Jacob Ln. / US 10-US 169 WB Ramps (45.20655, -93.40067)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022	Year Completed estimated (2022-2023).
Anoka, MN Anoka Co. United States	W Main St. / US 10-US 169 EB Ramps / Church St. (45.20504, -93.40072)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2022	Year Completed estimated (2022-2023).
Basingstoke, England Hants United Kingdom	A339 / M3 Ramps (51.25793, -1.06507)	Signalized Roundabout/Circle Existing	Signal Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Port Coquitlam, BC Greater Vancouver Canada	Fremont St. / Fremont Dr. / Hwy 7B (Loogheed Hwy.) Exit Ramp (49.24939, -122.73402)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.0000	Freeway Ramps (Grade-Separated) Single-Lane	2010	Raindrop shaped. Year Completed estimated (2008-2011).
Berthoud, CO Weld Co. United States	CO 56 / I-25 SB Ramps (40.30636, -104.98169)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2021	https://www.codot.gov/news/2021/november-2021/co56-i25-reopens-early
Berthoud, CO Weld Co. United States	CO 56 / I-25 NB Ramps (40.30632, -104.97848)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)	2021	https://www.codot.gov/news/2021/november-2021/co56-i25-reopens-early
Platten, Rhineland-Palatinate Bernkastel-Wittlich Germany	K56 / B50-E42 Ramps (49.95063, 6.92518)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Wentzville, MO St. Charles Co. United States	Prospect Rd. / I-64 EB Exit Ramp (38.79596, -90.82043)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6717	Freeway Ramps (Grade-Separated) Single-Lane	2008	Interchange replaced single at-grade intersection. Year Completed estimated (2008-2009).
Wentzville, MO St. Charles Co. United States	Prospect Rd. / Corporate Pkwy. / I-64 WB Exit Ramp (38.79597, -90.81810)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Freeway Ramps (Grade-Separated) Single-Lane	2008	Interchange replaced single at-grade intersection. Year Completed estimated (2008-2009).
O'Fallon, MO St. Charles Co. United States	Connecting Rd. / Alta Mira Ct. / MO 364 WB Ramps (38.76954, -90.74393)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Single-Lane	2014
Sheffield Cross, Co Laois Ireland	N77 / M7 (Portlaoise Bypass) Ramps / L26965 (53.01330, -7.30334)	Rotary Existing	Unknown Unknown	5 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Mauston, WI Juneau Co. United States	STH 82 (Gateway Ave.) / I-90-I-94 EB Ramps (43.79649, -90.05800)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022	Raindrop shaped. https://www.mauston.com/vertical/Sites/%7BF7711255-419A-434B-BDA9-D1E7B277079F%7D/uploads/221216_I-90-94_and_WIS_82_Winter_Shutdown.pdf
Mauston, WI Juneau Co. United States	STH 82 (Gateway Ave.) / I-90-I-94 WB Ramps (43.79635, -90.05521)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022	Raindrop shaped. https://www.mauston.com/vertical/Sites/%7BF7711255-419A-434B-BDA9-D1E7B277079F%7D/uploads/221216_I-90-94_and_WIS_82_Winter_Shutdown.pdf
Skarmyra, Gävleborg County Hudiksvalls kommun Sweden	Rte 84 / E4 SB Ramps (61.71420, 17.04736)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Freeway Ramps (Grade-Separated) Single-Lane		Raindrop shaped. Completed in 2009 or earlier.
Skarmyra, Gävleborg County Hudiksvalls kommun Sweden	Rte 84 / E4 NB Ramps (61.71437, 17.05036)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Freeway Ramps (Grade-Separated) Single-Lane		Raindrop shaped. Completed in 2009 or earlier.
Björkmo, Gävleborg County Hudiksvalls kommun Sweden	Forsavägen / E4 SB Ramps (61.65449, 17.01670)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Freeway Ramps (Grade-Separated) Single-Lane	2011	Raindrop shaped.
Björkmo, Gävleborg County Hudiksvalls kommun Sweden	Forsavägen / E4 NB Ramps (61.65422, 17.01869)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Freeway Ramps (Grade-Separated) Single-Lane	2011	Raindrop shaped.
Rossla, Gävleborg County Hudiksvalls kommun Sweden	(unknown) / E4 SB Ramps (61.60826, 17.00904)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Freeway Ramps (Grade-Separated) Single-Lane	2011
Rossla, Gävleborg County Hudiksvalls kommun Sweden	(unknown) / E4 NB Ramps (61.60874, 17.01314)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 42.6720	Freeway Ramps (Grade-Separated) Single-Lane	2011
Västbo, Västernorrland County Sundsvall Municipality Sweden	Cpl Nolby: Tunavägen / E4 SB Ramps (62.29391, 17.34802)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Single-Lane	2016
Sundsvall, Västernorrland County Sundsvall Municipality Sweden	E14 / E4 Ramps (62.38152, 17.35326)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 91.4400	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2014
Vaple, Västernorrland County Sundsvall Municipality Sweden	Kemivägen / E4 SB Ramps (62.33946, 17.35021)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Freeway Ramps (Grade-Separated) Single-Lane	2017	Raindrop shaped. Year Completed estimated (2010-2017).
Stockvik, Västernorrland County Sundsvall Municipality Sweden	Kemivägen / E4 NB Ramps (62.33902, 17.35173)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Freeway Ramps (Grade-Separated) Single-Lane	2017	Raindrop shaped. Year Completed estimated (2010-2017).
Sundsvall, Västernorrland County Sundsvall Municipality Sweden	Ortviksvägen / E4 Ramps / Arbetarsvängen (62.39681, 17.33741)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 91.4400	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2015
Sundsvall, Västernorrland County Sundsvall Municipality Sweden	Cpl Birsta N: Timmervägen / E4 SB Ramps (62.44850, 17.33855)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2017	Year Completed estimated (2012-2017).
Sonnarp, Skåne County Örkelljunga kommun Sweden	/Rte 24 / E4 Ramps (56.28422, 13.34145)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 106.6800	Freeway Ramps (Grade-Separated) Single-Lane		Elliptical shaped. Completed on or before 2009.
Blackeberg, Halland County Falkenbergs kommun Sweden	Rte 154 / E6-E20 SB Ramps (56.93033, 12.51433)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 150.0000	Freeway Ramps (Grade-Separated) Single-Lane	2015	Yielding right-turn bypass lane on northeast leg.
Vinbergs kyrkby, Halland County Falkenbergs kommun Sweden	Rte 154 / E6-E20 NB Ramps (56.93274, 12.51676)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Single-Lane	2015	Year Completed estimated (2014-2015).
Allen, TX Collin Co. United States	Allen Dr. / US 75-TX 36 (North Central Expressway) SB Frontage Rd. (33.11254, -96.67377)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1480	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2023	Right-turn-only lane on west leg.
Allen, TX Collin Co. United States	Allen Dr. / US 75-TX 36 (North Central Expressway) NB Frontage Rd. (33.11162, -96.67259)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)	2023	Right-turn-only lane on east leg. No left turn arrows marked on entry.
Halmstad, Halland County Halmstads kommun Sweden	Växjövägen / E6 SB Ramps (56.67370, 12.89606)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)	2015	Concentric striped circulatory roadway.
Halmstad, Halland County Halmstads kommun Sweden	Växjövägen / E6 NB Ramps (56.67432, 12.90147)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 51.8160	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)	2009	Merging right-turn bypass lane on west leg. Concentric striped circulatory roadway.
Halmstad, Halland County Halmstads kommun Sweden	Laholmsvägen / E6 SB Ramps / Gjutaregatan (56.65500, 12.90306)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)	2020	Previously a T intersection. Changed to 4 leg roundabout in 2020. Concentric striped circulatory roadway.
Arlington, FL Duval Co. United States	SR 109 (University Blvd. N) / Colcord Ave. / Alt US 90-SR 115 EB Exit Ramp (30.32669, -81.60476)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2014	Replaced loop ramp in one quadrant of full cloverleaf interchange.
Halmstad, Halland County Halmstads kommun Sweden	Rte 26 (Nissastigen) / E6-E20 NB Ramps (56.71150, 12.89011)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Freeway Ramps (Grade-Separated) Single-Lane	2010	Year Completed estimated (2009-2012). Add-lane right-turn bypass lane on south leg; yielding right-turn bypass lane on west leg.
Kennewick, WA Benton Co. United States	Ridgeline Dr. / US 395 NB Ramps / S Zintel Way (46.17192, -119.19115)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.nbcrightnow.com/news/us-395-and-ridgeline-drive-interchange-near-southridge-now-open/article_f08f07aa-e2e2-11ed-a02e-ab286dbac1ad.html
Ulvaryd, Kronoberg County Markaryds kommun Sweden	Rte 117 / Handelsvägen / E4 NB Ramps (56.44572, 13.60102)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Single-Lane		Completed on or before 2009.
Markaryd, Kronoberg County Markaryds kommun Sweden	Hässleholmsvägen / Rte 117 / E4 SB Ramps / (unknown) (56.44826, 13.59916)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Freeway Ramps (Grade-Separated) Single-Lane		Completed on or before 2009.
Halmstad, Halland County Halmstads kommun Sweden	Reparatörgatan / E6 SB Ramps (56.64597, 12.90109)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Single-Lane	2021
Halmstad, Halland County Halmstads kommun Sweden	Villmansstrandsvägen / E6 NB Ramps (56.64404, 12.90476)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Single-Lane	2021
Slagtofta, Skåne County Hörby kommun Sweden	Kristianstadsvägen / E22 Ramps (55.86490, 13.69484)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Freeway Ramps (Grade-Separated) Single-Lane	2012
Vellinge, Skåne County Vellinge kommun Sweden	Norra leden / Vellinge Allé / E6-E22 Ramps (55.47730, 13.01928)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Freeway Ramps (Grade-Separated) Single-Lane	2021
Inwood, WV Berkeley Co. United States	SR 51 (Gerrardstown Rd.) / I-81 SB Ramps / Arden-Nollville Rd. (39.36247, -78.04925)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2023	https://www.journal-news.net/news/local-news/official-phase-one-of-i-81-inwood-bypass-nearly-done/article_87d020ff-2d39-5835-8d9a-c25afa4402ea.html
Inwood, WV Berkeley Co. United States	SR 51 (Gerrardstown Rd.) / I-81 NB Ramps (39.36263, -78.04701)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2023	https://www.journal-news.net/news/local-news/official-phase-one-of-i-81-inwood-bypass-nearly-done/article_87d020ff-2d39-5835-8d9a-c25afa4402ea.html
Little Falls, NJ Passaic Co. United States	Clove Rd. / US 46 EB Ramps / (unknown) (40.87254, -74.19662)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Freeway Ramps (Grade-Separated) Single-Lane	2019	https://themontclarion.org/news/commuters-breathe-sigh-of-relief-with-clove-road-bridge-opening/
Courtland, MN Nicollet Co. United States	CSAH 12 (4th St.) / US 14 EB Ramps (44.27180, -94.34138)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	Raindrop shaped. https://www.mprnews.org/story/2023/11/21/southwestern-minnesota-celebrates-completion-of-highway-14-expansion-project (picture about halfway down the page)
Courtland, MN Nicollet Co. United States	CSAH 12 (4th St. - 541st Ave.) / US 14 WB Ramps / 466th St. (44.27411, -94.34144)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.nujournal.com/news/local-news/2023/09/16/new-courtland-csah-12-highway-14-intersection-opens/
Berkeley, CA Alameda Co. United States	Gilman St. / I-80 EB Ramps / Eastshore Hwy. (37.87826, -122.30681)	Roundabout Unknown	All-Way Yield Unknown	5 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Unknown		Opening 2024 https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/d4-alameda-80-gilman-interchange-improvement-project
Berkeley, CA Alameda Co. United States	Gilman St. / I-80 WB Ramps / Frontage Rd. (37.87808, -122.30769)	Roundabout Unknown	All-Way Yield Unknown	5 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Unknown		Opening 2024 https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/d4-alameda-80-gilman-interchange-improvement-project
Clewer Village, England Windsor And Maidenhead United Kingdom	A308 (Maidenhead Rd.) / A332 (Royal Windsor Way) Ramps (51.48356, -0.62366)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) 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)
Trinidad, CO Las Animas Co. United States	County Road 69.1 / I-25 SB Ramps (37.13386, -104.52197)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.codot.gov/projects/archived-project-sites/i25-exit11-trinidad-intersection
Trinidad, CO Las Animas Co. United States	Santa Fe Trail / I-25 NB Ramps (37.13383, -104.52080)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.codot.gov/projects/archived-project-sites/i25-exit11-trinidad-intersection
Pueblo, CO Pueblo Co. United States	Frontage Rd. / Drew Dix Pkwy. / I-25 SB Exit Ramp (38.34309, -104.62080)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.codot.gov/projects/drewdixdillon
Cranford, England Greater London United Kingdom	A408 / M4 (Heathrow Airport Spur Rd. / M4 (Chiswick to Langley Special Road) Ramps (51.49580, -0.45344)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Clifton, NJ Passaic Co. United States	Valley Rd. / Great Notch Rd. / US 46-SR 3 WB Exit Ramp (40.87171, -74.18939)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2023	https://www.northjersey.com/story/news/transportation/2023/10/31/route-46-and-route-3-construction-in-passaic-county-nearly-done/71330652007/
Ina, Gävleborg County Söderhamns kommun Sweden	Rte 50 / E4 SB Ramps (61.29717, 17.02226)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Freeway Ramps (Grade-Separated) Single-Lane		Raindrop shaped. Completed in 2009 or earlier.
Ina, Gävleborg County Söderhamns kommun Sweden	Rte 50 / E4 NB Ramps / Södra Tvärleden / Söderhamnsporten (61.29733, 17.02650)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 54.8640	Freeway Ramps (Grade-Separated) Single-Lane		Completed in 2009 or earlier.
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)
McFarland, WI Dane Co. United States	CR AB / US 12-US 18 WB Ramps (43.04036, -89.24278)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2023	Interchange replaced single stop-controlled intersection.
McFarland, WI Dane Co. United States	CR AB / US 12-US 18 EB Ramps (43.03910, -89.24354)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2023	Interchange replaced single stop-controlled intersection.
New Florence, MO Montgomery Co. United States	MO 19 / Tree Farm Rd. / I-70 EB Ramps (38.89821, -91.45624)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.modot.org/node/35298
New Florence, MO Montgomery Co. United States	MO 19 / Booneslick Rd. / I-70 WB Ramps (38.90090, -91.45707)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.modot.org/node/35298 Combined freeway interchange with at-grade intersection. Previously, the interchange was stop controlled and the intersection had traffic lights.
Weldon Spring, MO St. Charles Co. United States	Technology Dr. / Meadows Pkwy. / Wolfrum Rd. / I-64 WB Exit Ramp (38.70526, -90.67410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Freeway Ramps (Grade-Separated) Single-Lane		Oval shaped. ICD = 200 ft x 180 ft. Built initially as 2x2 roundabout in 2005-2006. Concentric circulatory roadway striping. Converted to single lane using by striping out inner circulatory roadway lane and left entry lane on southwest leg 2020-2021.
Chesterfield, MO St. Louis Co. United States	N Outer 40 Rd. / I-64 WB Exit Ramp (38.67582, -90.65115)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Freeway Ramps (Grade-Separated) Single-Lane	2010	Year Completed estimated (2009-2010).
Boardman, NC Columbus Co. United States	Old Boardman Rd. / US 74 EB Ramps (34.43447, -78.95052)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	New interchange replaces single at-grade, stop-controlled intersection. https://www.nrcolumbus.com/news/new-boardman-interchange-open-to-traffic-ncdot-says/article_feaec6c2-4c23-11ee-a358-437c17d778ff.html.
Boardman, NC Columbus Co. United States	Old Boardman Rd. / US 74 WB Ramps (34.43547, -78.94924)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	New interchange replaces single at-grade, stop-controlled intersection. https://www.nrcolumbus.com/news/new-boardman-interchange-open-to-traffic-ncdot-says/article_feaec6c2-4c23-11ee-a358-437c17d778ff.html.
Cox Green, England Windsor And Maidenhead United Kingdom	Holyport Interchange: A404 (M) / A308 (M) / M4 Ramps (51.49903, -0.72393)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)