Roundabouts Database Index

9888 Results

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City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways	Functional Class / LaneType	Year Completed	Comments
Avon, CO Eagle United States	Avon Rd./I-70 WB Ramps (39.63782, -106.52080)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	1997	Highway ref. pt. 70-166.62. Raindrop-shaped central island.
Avon, CO Eagle United States	Avon Rd./I-70 EB Ramps (39.63683, -106.52170)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	1997	Highway ref. pt. 70-166.62. Previously controlled by two-way stop
De Pere, WI Brown United States	Scheuring Rd. (CTH F)/US 41 NB Ramps (44.43074, -88.10989)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2011	Series of 6 roundabouts. Opened September 2011. Circular central island.
Ritchie, MD Prince Georges United States	Ritchie-Marlboro Rd./I-95 SB Ramps (38.86894, -76.84738)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2001
Ritchie, MD Prince Georges United States	Ritchie-Marlboro Rd./I-95 NB Ramps (38.86824, -76.84158)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2001
De Pere, WI Brown United States	Scheuring Rd. (CTH F)/US 41 SB Ramps (44.43050, -88.11402)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2011	Series of 6 roundabouts. Opened September 2011.
Ellicott City, MD Howard United States	MD 103/MD 100 WB Ramps (39.20846, -76.78294)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	1998	Opened November 1998.
Ellicott City, MD Howard United States	MD 103/MD 100 EB Ramps (39.20733, -76.78243)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	1998	Opened November 1998.
Ellicott City, MD Howard United States	Snowden River Pkwy./MD 100 WB Ramps (39.21233, -76.79544)	Roundabout Existing	All-Way Yield Metering Signal	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	1998	Opened November 1998. Metering signal on Snowden River Pkwy approach.
Ellicott City, MD Howard United States	MD 104 (Waterloo Rd.)/MD 100 WB Ramps (39.22470, -76.80600)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	1999
Topeka, KS Shawnee United States	Rice Rd./I-70 WB Ramps/Sycamore Dr. (39.03610, -95.62310)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2000	Part of a major realignment of I-70 and K-4. Sycamore Drive is one way with two westbound lanes (into the roundabout). Partial cloverleaf AB interchange type. Completed October 2000.
Topeka, KS Shawnee United States	Rice Rd./I-70 EB Ramps/Cyprus Drive (39.03190, -95.62320)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2000	Part of a major realignment of I-70 and K-4. Cyprus Drive is One Way Eastbound (away from the roundabout). Partial cloverleaf AB interchange type. Completed October 2000.
Green Bay, WI Brown United States	W. Mason St. (STH 32-STH 54)/US 41 SB Ramps (44.52418, -88.08284)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (3+ Lane)	2012	Series of 3 roundabouts. Opened August 31, 2012.
Green Bay, WI Brown United States	W. Mason St. (STH 32-STH 54)/US 41 NB Ramps (44.52415, -88.08103)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (3+ Lane)	2012	Series of 3 roundabouts. Opened August 31, 2012.
Arcata, CA Humboldt United States	Guintoli Ln./US 101 SB Ramps (40.90400, -124.08920)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	2005
Arcata, CA Humboldt United States	Guintoli Ln./US 101 NB Ramps (40.90492, -124.08510)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	2005
Kingston, NY Ulster United States	I-587/Rte. 28/I-87/Washington Ave. (41.94362, -74.02840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2000	A 600 ft diameter traffic circle was replaced by 200 ft diameter roundabout. At Exit 19 from I-87. I-587 terminates in roundabout.
Newton, KS Harvey United States	Broadway St./I-135 Ramps (38.05000, -97.32250)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2003	Single-point interchange. Near roundabout interchange at I-135/1st Street. Roundabout completed January 2002, ramps from I-135 to the roundabout reopened March 2002. Eliptical structure incorporating both NB and SB ramps. Previously controlled by one-way stop
Topeka, KS Shawnee United States	46th St./US 75 Ramps (39.12934, -95.71959)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2002	Roundabout under structure as part of single-point interchange. Elliptical roundabout. Original intersection was at grade. Completed November 2002.
Anchorage, AK Anchorage United States	Dowling Rd./New Seward Hwy SB Ramps (61.16636, -149.85780)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2004	Previously controlled by one-way stop
Anchorage, AK Anchorage United States	Dowling Rd./New Seward Hwy NB Ramps (61.16637, -149.85520)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2004	Spiral striping.
Lewisville, NC Forsyth United States	Concord Church Rd./US 421 SB Ramp/Williams Rd. (36.08978, -80.43072)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	2000	Solved capacity problem. Previously controlled by one-way stop
St. George, UT Washington United States	E. Brigham Rd./I-15 NB Ramps (37.05939, -113.58350)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2006	Raindrop-shaped interchange terminal.
Scaggsville, MD Howard United States	MD 216/US 29 SB Ramps (39.14562, -76.90418)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2001	Series of 4 roundabouts.
Scaggsville, MD Howard United States	MD 216/US 29 NB Ramps/Ice Crystal Dr. (39.14476, -76.89799)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2001	Series of 4 roundabouts.
Millington, MD Kent United States	MD 291/US 301 SB Ramps (39.26463, -75.86641)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	1999	Opened August 1999.
Millington, MD Kent United States	MD 291/US 301 NB Ramps (39.26386, -75.86260)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	1999	Opened August 1999.
Gig Harbor, WA Pierce United States	Borgen Blvd./SR 16 NB Ramps/Burnham Dr. (47.35843, -122.61260)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2001	Oval shaped central island. 6 legged configuration includes a on-ramp (outbound)leg. Central island is used as a roadway storm detention pond. Completed Summer/Fall 2001. Previously controlled by one-way stop
Richland, WA Benton United States	Steptoe Dr./SR 240 EB Ramps/Columbia Park Trl. (46.23893, -119.24546)	Roundabout Existing	All-Way Yield Metering Signal	5 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2007	5th leg is on-ramp to SR 240. Opened November 2007. According to local news (link below) they started metering the traffic on the westbound Columbia Park Trail approach in 2018. It only turns on when traffic coming off the freeway gets backed up. https://97rockonline.com/tri-cities-roundabout-gets-new-metered-traffic-light-wait-what/
St. George, UT Washington United States	E. Brigham Rd./I-15 SB Ramps/Pioneer Rd. (37.05999, -113.58560)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2006	Combines interchange ramps and frontage road.
Advance, NC Davie United States	NC 801/I-40 EB Ramps (36.00655, -80.44083)	Roundabout Removed	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	2002	Developer-built "temporary" intersection fix. Previously controlled by one-way stop
Phoenix, AZ Maricopa United States	Happy Valley Rd./I-17 SB Ramps (33.71301, -112.12000)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2002	Revised 2005.
Frisco, CO Summit United States	SH 9/I-70 WB Ramps (39.59339, -106.09700)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Freeway Ramps Single-Lane	2000	Highway ref. pt. 70-202.35.
Gig Harbor, WA Pierce United States	Borgen Blvd./SR 16 SB Ramps (47.35868, -122.61610)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2004	Opened March 2004.
Kaukauna, WI Outagamie United States	CTH J/US 41 SB Ramps (44.30645, -88.24948)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	2010	Opened October 11, 2010.
Columbia, MO Boone United States	Business Loop 70/I-70 WB Ramps/Creasy Springs Rd. (38.96655, -92.35241)	Roundabout Removed	All-Way Yield Unknown	5 Approaches 0 Driveways	Freeway Ramps Single-Lane	1996	First roundabout in Missouri by Missouri DOT. Originally built in 1996 per article: https://www.voxmagazine.com/news/all-about-roundabouts-in-columbia/article_93724b2b-8b20-5228-b4de-315c5c3d2004.html. Replaced with roundabout to immediate west.
Carson City, NV Carson City United States	Arrowhead Dr./I-580 SB Ramp (39.19810, -119.77540)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2002	Future SB on-ramp for Carson City Freeway (I-580). Overpass and roundabouts completed in 2002; freeway ramps completed ~2005.
Carson City, NV Carson City United States	Arrowhead Dr./I-580 NB Ramps/Imus Rd. (39.19840, -119.77380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2002	NB off-ramp for Carson City Freeway (I-580) and extension of Imus Road. Overpass and roundabouts completed in 2002.
Sterling Heights, MI Macomb United States	Van Dyke Ave. (M-53)/18 1/2 Mile Rd. (42.60148, -83.03119)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2005	Completed June 2005.
Kaukauna, WI Outagamie United States	CTH J/US 41 NB Ramps (44.30463, -88.24939)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	2010	Opened October 11, 2010.
Avon, CO Eagle United States	William J Post Blvd./I-70 WB Ramps (39.62759, -106.49460)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2003
Avon, CO Eagle United States	William J Post Blvd./I-70 EB Ramps (39.62714, -106.49610)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2003
Newton, KS Harvey United States	First St./I-135 Ramps (38.04250, -97.32240)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2003	Single-point interchange. Previously controlled by one-way stop
Hanover, MD Anne Arundel United States	Arundel Mills Blvd./MD 295 NB Ramps (39.15573, -76.74459)	Roundabout Removed	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2002
Hanover, MD Anne Arundel United States	Arundel Mills Blvd./MD 295 SB Ramps (39.15677, -76.74617)	Roundabout Removed	All-Way Yield None	2 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2002
Jessup, MD Howard United States	Canine Rd./MD 32 EB Ramps (39.10101, -76.76953)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	2001
Truckee, CA Nevada United States	Hwy 89/I-80 EB Ramps (39.32243, -120.20770)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2005
Camp Verde, AZ Yavapai United States	Middle Verde Rd./I-17 NB Ramps (34.61039, -111.86160)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	2006
Truckee, CA Nevada United States	Hwy 89/I-80 WB Ramps (39.32386, -120.20760)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2005
Acoma Indian Reservation, NM McKinley United States	SH 30/I-40 WB Ramps (35.07505, -107.56110)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Unknown	2010	Series of 3 roundabouts
Brighton, MI Livingston United States	Lee Rd./US 23 NB Ramps/Fieldcrest Dr. (42.50486, -83.75652)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2005
Brighton, MI Livingston United States	Lee Rd./US 23 SB Ramps (42.50605, -83.75954)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2006	Linked with Lee Rd/Whitmore Lake Rd roundabout. Previously controlled by one-way stop control
Buena Vista Township, MI Saginaw United States	M-81/I-75 SB Ramps (43.45060, -83.89209)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	2006	Right turn bypass lanes
Buena Vista Township, MI Saginaw United States	M-81/I-75 NB Ramps (43.45056, -83.88958)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	2006	Right turn bypass lanes
Chattanooga, TN Hamilton United States	SR 153 NB Ramps/Lake Resort Dr. (35.10986, -85.22842)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2006	At new intersection with new bridge and alignment of Lake Resort Drive. Former intersection was ~800 to the south. Non-symetric design. Some motions have two lanes. Previously controlled by signal
Chattanooga, TN Hamilton United States	SR 153 SB Ramps/N. Access Rd./TVA offices (35.10868, -85.23122)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2006	N Access Road is a 4 lane arterial road. Fatal crash April 4, 2010. 11861-05.
Jessup, MD Anne Arundel United States	MD 198 (Laurel Fort Meade Rd.)/MD 32 EB Ramps (39.08997, -76.75736)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2002
Jessup, MD Anne Arundel United States	MD 198 (Laurel Fort Meade Rd.)/MD 32 WB Ramps (39.09178, -76.75688)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2002
Acoma Indian Reservation, NM McKinley United States	SH 30/I-40 EB Ramps (35.07341, -107.56120)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Unknown	2010	Series of 3 roundabouts
Glenwood Springs, CO Garfield United States	Mel Ray Rd./I-70 WB Ramps/US 6 (39.56126, -107.36130)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Freeway Ramps Unknown	2006	Observed Under construction in 2005 (1 of 2) at I-70, Exit 114
Glenwood Springs, CO Garfield United States	Mel Ray Rd./I-70 EB Ramps/Midland Ave./Riverine Rd. (39.56019, -107.36139)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2006	1 of 2 at Exit 114 on I-70, observed under construction in 2005.
Mesa, AZ Maricopa United States	Brown Rd./Loop 202 SB Ramps (33.43689, -111.65280)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2007
Mesa, AZ Maricopa United States	Brown Rd./Loop 202 NB Ramps (33.43694, -111.64850)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2007
Woburn, MA Middlesex United States	I-95 Ramps/MA 38 (Main St.) (42.49945, -71.15711)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)
Revere, MA Suffolk United States	Copeland Circle - US 1 Ramps/MA 60 (Squire Rd.) (42.43008, -71.01710)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)		Retrofitted (November 2018) with multi-lane approaches/departures on the Route 1 ramps and roundabout style pavement markings and signs within the circulating roadway
Boston, MA Suffolk United States	Willard St./I-93 Ramps/Furnace Brook Expwy. (42.24208, -71.02673)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)
Brighton, CO Adams United States	W. Bridge St./US 85 NB Ramps (39.98683, -104.82320)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2006	Part of double-dumbbell interchange with two roundabouts and one storage lane into railroad crossing.
Brighton, CO Adams United States	W. Bridge St./US 85 SB Ramps (39.98682, -104.82450)	Roundabout Existing	Unknown Unknown	5 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2006	Part of double-dumbbell interchange with two roundabouts and one storage lane into railroad crossing.
Lewisville, NC Forsyth United States	Concord Church Rd./US 421 NB Ramps (36.09143, -80.42963)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2003	Mirror image of other ramp.
Owatonna, MN Steele United States	CSAH 7/TH 14 EB Ramps (44.05747, -93.27671)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2012
Owatonna, MN Steele United States	CSAH 7/TH 14 WB Ramps (44.05998, -93.27671)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2012
North Pole, AK Fairbanks North Star United States	Badger Rd./Richardson Hwy WB Ramps (64.75903, -147.35120)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2007	Series of three roundabouts. Raindrop-shaped central island.
North Pole, AK Fairbanks North Star United States	Badger Rd./Richardson Hwy EB Ramps/Santa Claus Ln. (64.75820, -147.35170)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2007	Series of three roundabouts. Previously controlled by one-way stop
Stevensville, MD Queen Annes United States	Thompson Creek Rd./US 50 EB Ramps (38.97599, -76.31046)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Mini-roundabout	2007	Mini-roundabout.
Burtonsville, MD Montgomery United States	Dustin Rd./US 29 SB Offramp/Columbia Pike (39.12256, -76.92656)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2006	Fatal crash October 14, 2007.: http://www.fredericknewspost.com/sections/news/display.htm?StoryID=66411. 11861-05.
Ann Arbor, MI Washtenaw United States	Maple Rd./M-14 WB Ramp (42.30177, -83.78105)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2007
Ann Arbor, MI Washtenaw United States	Maple Rd./M-14 EB Ramp (42.29990, -83.78100)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2007
Abbotsford, BC Fraser Valley Regional District Canada	304th St./Hwy 1 WB Ramps (49.05893, -122.38110)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)
Surrey, BC Greater Vancouver Regional District Canada	8 Ave./Hwy 99 NB Ramps (49.01694, -122.75800)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2005
Fort McMurray, AB Wood Buffalo Canada	Hwy 63 NB Ramps/King St. (56.70683, -111.35380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2003	http://www.engineering.ualberta.ca/uofaengineer/article.cfm?article=40221&issue=39463
Sheboygan, WI Sheboygan United States	STH 42/I-43 NB Ramps (43.79261, -87.76325)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2007	Opened November 2007. http://www.sheboygan-press.com/apps/pbcs.dll/article?AID=/20071028/SHE0101/710280468/1973
Sheboygan, WI Sheboygan United States	STH 42/I-43 SB Ramps (43.79406, -87.76523)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2007	Opened November 2007. http://www.sheboygan-press.com/apps/pbcs.dll/article?AID=/20071028/SHE0101/710280468/1973
Federal Way, WA King United States	S 317th St./28th Ave. S/I-5 HOV Access Ramps (47.31781, -122.29760)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	2006	Opened February 2006.
Charlotte, NC Mecklenburg United States	Moores Chapel Rd./I-485 NB Ramp (35.27366, -80.96478)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	2005	Interchange terminal. Fatal crash May 14, 2008.
Charlotte, NC Mecklenburg United States	Moores Chapel Rd./I-485 SB Ramp (35.27376, -80.96779)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	2005	Interchange terminal. Fatal crash June 28, 2011.
Waynesville, NC Haywood United States	Hyatt Creek Rd./US 23-US 74 SB Ramps (35.46494, -83.01322)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways	Freeway Ramps Unknown	2008
Columbus, NC Polk United States	NC 108/I-26 EB Ramps (35.24493, -82.20628)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2004	Part of interchange - two-lane bridge.
Columbus, NC Polk United States	NC 108/I-26 WB Ramps (35.24627, -82.20499)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2007	Part of interchange - two-lane bridge.
North Bend, WA King United States	SR 202/I-90 EB Ramps (47.48782, -121.79730)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2007	Opened November 2007.
Annapolis Junction, MD Anne Arundel United States	Guilford Rd./MD 32 WB Ramps (39.12294, -76.78472)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Single-Lane	2002	Bypass lanes on all legs.
Hughesville, MD Charles United States	MD 231/MD 5 NB Ramps (38.53426, -76.77790)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2005
Hughesville, MD Charles United States	MD 231/MD 5 SB Ramps (38.53381, -76.77969)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2005
Avonport, NS Kings Canada	Trunk 1/Hwy 101 WB Ramps/Oak Island Rd. (45.10019, -64.25748)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Freeway Ramps Unknown	2006
Rio Puerco, NM Bernalillo United States	Central Ave./I-40 EB Ramps (35.03048, -106.94750)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Single-Lane	2008	Owned by New Mexico DOT. Previously controlled by stop control
Cabazon, CA Riverside United States	Apache Trl./I-10 EB Ramps (33.92071, -116.80680)	Roundabout Existing	All-Way Yield At-Grade Rail Crossing Gates (controlling approach only)	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2008	Opened July 11, 2008. http://www.pe.com/localnews/rivcounty/stories/PE_News_Local_S_circle21.46d763e.html. Railroad in close proximity.
Cabazon, CA Riverside United States	Apache Trl./I-10 WB Ramps (33.92192, -116.80610)	Roundabout Existing	All-Way Yield None	0 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2008	Opened July 11, 2008. http://www.pe.com/localnews/rivcounty/stories/PE_News_Local_S_circle21.46d763e.html Previously controlled by two way stop
Kennewick, WA Benton United States	SR 240/US 395 SB Ramps (46.21697, -119.13980)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2009	June 2009.
Kennewick, WA Benton United States	SR 240/US 395 NB Ramps/Columbia Dr. (46.21688, -119.13680)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2009	June 2009.
New Berlin, WI Waukesha United States	Moorland Rd. (CTH O)/I-43 NB Ramps/Rockridge Rd. (42.94913, -88.10900)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2007	Opened September 2007.
New Berlin, WI Waukesha United States	CTH Y (Racine Ave.)/I-43 NB Ramps (42.93221, -88.15884)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps Multilane (2 Lane)	2009	Opened November 2009.