|
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 |
|
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 | |
|
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 | |
|
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. |
|
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. |
|
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. |
|
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 |
|
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. |
|
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. |
|
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. |
|
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. |
|
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/ |
|
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. |
|
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. |
|
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. |
|
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 | |
|
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 |
|
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 |
|
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. |
|
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 | |
|
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 | |
|
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. |
|
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 |
|
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. |
|
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 |
|
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 |
|
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. |
|
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. |
|
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 | |
|
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 |
|
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 |
|
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 | |
|
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 |
|
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 | |
|
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 |
|
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 | |
|
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 |
|
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. |
|
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 |
|
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. |
|
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) |
||
|
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. |
|
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 | |
|
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 |
|
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. |
|
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 | |
|
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 |
|
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. |