|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Newton,
KS Harvey Co. United States |
First St. / I-135 Ramps (38.04250, -97.32240) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 65.8419 |
Freeway Ramps (Grade-Separated) Single-Lane |
2003 | Single-point interchange. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
|
Hanover,
MD Anne Arundel Co. United States |
Arundel Mills Blvd. / MD 295 NB Ramps (39.15573, -76.74459) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 26.8575 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. Replaced with DDI |
|
Hanover,
MD Anne Arundel Co. United States |
Arundel Mills Blvd. / MD 295 SB Ramps (39.15677, -76.74617) |
Roundabout Removed |
All-Way Yield None |
2 Approaches 0 Driveways 66.6796 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. Replaced with DDI. |
|
Jessup,
MD Howard Co. United States |
Canine Rd. / MD 32 EB Ramps (39.10101, -76.76953) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.0005 |
Freeway Ramps (Grade-Separated) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
|
Truckee,
CA Nevada Co. United States |
Hwy 89 / I-80 EB Ramps (39.32243, -120.20770) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 55.4354 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2005 | ICD estimated from Google Maps linework. |
|
Camp Verde,
AZ Yavapai Co. United States |
Middle Verde Rd. / I-17 NB Ramps (34.61039, -111.86160) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.4040 |
Freeway Ramps (Grade-Separated) Single-Lane |
2006 | ICD estimated from Google Maps linework. |
|
Truckee,
CA Nevada Co. United States |
Hwy 89 / I-80 WB Ramps (39.32386, -120.20760) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 40.6518 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2005 | ICD estimated from Google Maps linework. |
|
Acoma Indian Reservation,
NM McKinley Co. United States |
SH 30 / I-40 WB Ramps (35.07505, -107.56110) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 65.4884 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2010 | Merging right-turn bypass lane on north leg. Series of 3 roundabouts. ICD estimated from Google Maps linework. |
|
Brighton,
MI Livingston Co. United States |
Lee Rd. / US 23 NB Ramps / Fieldcrest Dr. (42.50486, -83.75652) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.5461 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2005 | ICD estimated from Google Maps linework. |
|
Brighton,
MI Livingston Co. United States |
Lee Rd. / US 23 SB Ramps (42.50605, -83.75954) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.8600 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2006 | Linked with Lee Rd/Whitmore Lake Rd roundabout. Previously controlled by one-way stop control ICD estimated from Google Maps linework. |
|
Buena Vista Township,
MI Saginaw Co. United States |
M-81 / I-75 SB Ramps (43.45060, -83.89209) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.6818 |
Freeway Ramps (Grade-Separated) Single-Lane |
2006 | Right turn bypass lanes ICD estimated from Google Maps linework. |
|
Buena Vista Township,
MI Saginaw Co. United States |
M-81 / I-75 NB Ramps (43.45056, -83.88958) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.6818 |
Freeway Ramps (Grade-Separated) Single-Lane |
2006 | Right turn bypass lanes ICD estimated from Google Maps linework. |
|
Chattanooga,
TN Hamilton Co. United States |
SR 153 NB Ramps / Lake Resort Dr. (35.10986, -85.22842) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 55.6902 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
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 ICD estimated from Google Maps linework. |
|
Chattanooga,
TN Hamilton Co. 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 97.7036 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2006 | N Access Road is a 4 lane arterial road. Fatal crash April 4, 2010. 11861-05. ICD estimated from Google Maps linework. |
|
Jessup,
MD Anne Arundel Co. 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 53.3400 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2002 | Lanes reduced in 2010. 21442 |
|
Jessup,
MD Anne Arundel Co. 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 53.3400 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2002 | Lanes reduced in 2010. 21442 |
|
Acoma Indian Reservation,
NM McKinley Co. United States |
SH 30 / I-40 EB Ramps (35.07341, -107.56120) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 65.4897 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2010 | Merging right-turn bypass lane on west leg. Series of 3 roundabouts. ICD estimated from Google Maps linework. |
|
Glenwood Springs,
CO Garfield Co. United States |
Mel Ray Rd. / I-70 WB Ramps / US 6 (39.56142, -107.36127) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 44.1965 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2006 | ICD estimated from Google Maps linework. |
|
Glenwood Springs,
CO Garfield Co. 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 46.9595 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2006 | 1 of 2 at Exit 114 on I-70, observed under construction in 2005. ICD estimated from Google Maps linework. |
|
Mesa,
AZ Maricopa Co. United States |
Brown Rd. / Loop 202 SB Ramps (33.43689, -111.65280) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.8563 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2007 | ICD estimated from Google Maps linework. |
|
Mesa,
AZ Maricopa Co. United States |
Brown Rd. / Loop 202 NB Ramps (33.43694, -111.64850) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.8396 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2007 | ICD estimated from Google Maps linework. |
|
Woburn,
MA Middlesex Co. United States |
I-95 Ramps / MA 38 (Main St.) (42.49945, -71.15711) |
Rotary Existing |
Unknown Unknown |
4 Approaches 0 Driveways 30.8196 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
|
Revere,
MA Suffolk Co. United States |
Copeland Circle [Rte 60 (Squire Rd.) / US 1 Ramps] (42.43008, -71.01710) |
Rotary Existing |
Unknown Unknown |
4 Approaches 0 Driveways 381.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
Retrofitted (November 2018) with multi-lane approaches/departures on the Route 1 ramps and roundabout style pavement markings and signs within the circulating roadway. ICD = 1250 ft x 880 ft. 21442 | |
|
Boston,
MA Suffolk Co. United States |
Willard St. / I-93 Ramps / Furnace Brook Expwy. (42.24208, -71.02673) |
Rotary Existing |
Unknown Unknown |
4 Approaches 0 Driveways 99.0276 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
|
Brighton,
CO Adams Co. United States |
W. Bridge St. / US 85 NB Ramps (39.98683, -104.82320) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 43.0090 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2006 | Part of double-dumbbell interchange with two roundabouts and one storage lane into railroad crossing. ICD estimated from Google Maps linework. |
|
Brighton,
CO Adams Co. United States |
W. Bridge St. / US 85 SB Ramps (39.98682, -104.82450) |
Roundabout Existing |
Unknown Unknown |
5 Approaches 0 Driveways 43.9241 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2006 | Part of double-dumbbell interchange with two roundabouts and one storage lane into railroad crossing. ICD estimated from Google Maps linework. |
|
Lewisville,
NC Forsyth Co. United States |
Concord Church Rd. / US 421 NB Ramps (36.09143, -80.42963) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.8835 |
Freeway Ramps (Grade-Separated) Single-Lane |
2003 | Mirror image of other ramp. ICD estimated from Google Maps linework. |
|
Owatonna,
MN Steele Co. United States |
CSAH 7 / TH 14 EB Ramps (44.05747, -93.27671) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 46.3480 |
Freeway Ramps (Grade-Separated) Single-Lane |
2012 | ICD estimated from Google Maps linework. |
|
Owatonna,
MN Steele Co. United States |
CSAH 7 / TH 14 WB Ramps (44.05998, -93.27671) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1964 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2012 | ICD estimated from Google Maps linework. |
|
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 29.5390 |
Freeway Ramps (Grade-Separated) Single-Lane |
2007 | Series of three roundabouts. Raindrop-shaped central island. ICD estimated from Google Maps linework. |
|
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 31.5771 |
Freeway Ramps (Grade-Separated) Single-Lane |
2007 | Series of three roundabouts. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
|
Stevensville,
MD Queen Annes Co. United States |
Thompson Creek Rd. / US 50 EB Ramps (38.97599, -76.31046) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 16.7127 |
Freeway Ramps (Grade-Separated) Single-lane w/ Traversable Central Island |
2007 | Mini-roundabout. ICD estimated from Google Maps linework. |
|
Burtonsville,
MD Montgomery Co. United States |
Dustin Rd. / US 29 SB Offramp / Columbia Pike (39.12256, -76.92656) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.5482 |
Freeway Ramps (Grade-Separated) Single-Lane |
2006 | Fatal crash October 14, 2007.: http://www.fredericknewspost.com/sections/news/display.htm?StoryID=66411. 11861-05. ICD estimated from Google Maps linework. |
|
Ann Arbor,
MI Washtenaw Co. United States |
Maple Rd. / M-14 WB Ramps (42.30178, -83.78112) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 159.9999 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2007 | |
|
Ann Arbor,
MI Washtenaw Co. United States |
Maple Rd. / M-14 EB Ramps (42.29992, -83.78104) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 48.7680 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2007 | |
|
Abbotsford,
BC Fraser Valley Regional District Canada |
Mt Lehman Rd. / Old Yale Rd. / Hwy 1 WB Entrance Ramp (49.05889, -122.38131) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 44.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2022 | Roundabout (multilane, 2x2) constructed 2006 to replace a two-way stop intersection. Roundabout replaced with traffic signal in 2022. |
|
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 34.4645 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2005 | ICD estimated from Google Maps linework. |
|
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 30.1574 |
Freeway Ramps (Grade-Separated) Single-Lane |
2003 | http://www.engineering.ualberta.ca/uofaengineer/article.cfm?article=40221&issue=39463 ICD estimated from Google Maps linework. |
|
Sheboygan,
WI Sheboygan Co. United States |
STH 42 / I-43 NB Ramps (43.79261, -87.76325) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.0714 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2007 | Opened November 2007. http://www.sheboygan-press.com/apps/pbcs.dll/article?AID=/20071028/SHE0101/710280468/1973 ICD estimated from Google Maps linework. |
|
Sheboygan,
WI Sheboygan Co. United States |
STH 42 / I-43 SB Ramps (43.79406, -87.76523) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.9673 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2007 | Opened November 2007. http://www.sheboygan-press.com/apps/pbcs.dll/article?AID=/20071028/SHE0101/710280468/1973 ICD estimated from Google Maps linework. |
|
Federal Way,
WA King Co. 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 40.4836 |
Freeway Ramps (Grade-Separated) Single-Lane |
2006 | Opened February 2006. ICD estimated from Google Maps linework. |
|
Charlotte,
NC Mecklenburg Co. United States |
Moores Chapel Rd. / I-485 NB Ramp (35.27366, -80.96478) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 37.0520 |
Freeway Ramps (Grade-Separated) Single-Lane |
2005 | Interchange terminal. Fatal crash May 14, 2008. ICD estimated from Google Maps linework. |
|
Charlotte,
NC Mecklenburg Co. United States |
Moores Chapel Rd. / I-485 SB Ramp (35.27376, -80.96779) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 37.0520 |
Freeway Ramps (Grade-Separated) Single-Lane |
2005 | Interchange terminal. Fatal crash June 28, 2011. ICD estimated from Google Maps linework. |
|
Waynesville,
NC Haywood Co. United States |
Hyatt Creek Rd. / US 23-US 74 SB Ramps (35.46494, -83.01322) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.1551 |
Freeway Ramps (Grade-Separated) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
|
Columbus,
NC Polk Co. United States |
NC 108 / I-26 EB Ramps (35.24493, -82.20628) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 35.1144 |
Freeway Ramps (Grade-Separated) Single-Lane |
2004 | Part of interchange - two-lane bridge. ICD estimated from Google Maps linework. |
|
Columbus,
NC Polk Co. United States |
NC 108 / I-26 WB Ramps (35.24627, -82.20499) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 34.1384 |
Freeway Ramps (Grade-Separated) Single-Lane |
2007 | Part of interchange - two-lane bridge. ICD estimated from Google Maps linework. |
|
North Bend,
WA King Co. United States |
SR 202 / I-90 EB Ramps (47.48782, -121.79730) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 41.9673 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2007 | Opened November 2007. ICD estimated from Google Maps linework. |
|
Annapolis Junction,
MD Anne Arundel Co. United States |
Guilford Rd. / MD 32 WB Ramps (39.12294, -76.78472) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.4293 |
Freeway Ramps (Grade-Separated) Single-Lane |
2002 | Bypass lanes on all legs. ICD estimated from Google Maps linework. |
|
Hughesville,
MD Charles Co. United States |
MD 231 / MD 5 NB Ramps (38.53426, -76.77790) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 54.1863 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2005 | ICD estimated from Google Maps linework. |
|
Hughesville,
MD Charles Co. United States |
MD 231 / MD 5 SB Ramps (38.53381, -76.77969) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 58.8579 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2005 | ICD estimated from Google Maps linework. |
|
Avonport,
NS Kings Canada |
Trunk 1 / Hwy 101 WB Ramps / Oak Island Rd. (45.10019, -64.25748) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Freeway Ramps (Grade-Separated) Single-Lane |
2006 | |
|
Rio Puerco,
NM Bernalillo Co. United States |
Central Ave. / I-40 EB Ramps (35.03048, -106.94750) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 68.4580 |
Freeway Ramps (Grade-Separated) Single-Lane |
2008 | Owned by New Mexico DOT. Previously controlled by stop control ICD estimated from Google Maps linework. |
|
Cabazon,
CA Riverside Co. United States |
Apache Trl. / I-10 EB Ramps (33.92071, -116.80680) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) |
3 Approaches 0 Driveways 54.5087 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2008 | Opened July 11, 2008. http://www.pe.com/localnews/rivcounty/stories/PE_News_Local_S_circle21.46d763e.html. Railroad in close proximity. ICD estimated from Google Maps linework. |
|
Cabazon,
CA Riverside Co. United States |
Apache Trl. / Thunder Rd. / Seminole Dr. / I-10 WB Ramps (33.92192, -116.80610) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 79.2480 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2008 | Opened July 11, 2008. http://www.pe.com/localnews/rivcounty/stories/PE_News_Local_S_circle21.46d763e.html. |
|
Kennewick,
WA Benton Co. United States |
SR 240 / US 395 SB Ramps (46.21697, -119.13980) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.9307 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2009 | June 2009. ICD estimated from Google Maps linework. |
|
Kennewick,
WA Benton Co. United States |
SR 240 / US 395 NB Ramps / Columbia Dr. (46.21688, -119.13680) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.0973 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2009 | June 2009. ICD estimated from Google Maps linework. |
|
New Berlin,
WI Waukesha Co. 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 47.2068 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2007 | Opened September 2007. ICD estimated from Google Maps linework. |
|
New Berlin,
WI Waukesha Co. United States |
CTH Y (Racine Ave.) / I-43 NB Ramps (42.93221, -88.15884) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.9731 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2009 | Opened November 2009. ICD estimated from Google Maps linework. |
|
New Berlin,
WI Waukesha Co. United States |
CTH Y (Racine Ave.) / I-43 SB Ramps (42.93426, -88.15884) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.2182 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2009 | Opened November 2009. ICD estimated from Google Maps linework. |
|
New Berlin,
WI Waukesha Co. United States |
Moorland Rd. (CTH O) / I-43 SB Ramps (42.95341, -88.10897) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 67.3087 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2008 | Opened November 2008. ICD estimated from Google Maps linework. |
|
Emporia,
KS Lyon Co. United States |
(connector to US 50) / I-35 Ramps (38.41494, -96.22918) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 97.5360 |
Freeway Ramps (Grade-Separated) Single-Lane |
2008 | New interchange configuration. Elliptical shaped. ICD = 320 ft x 270 ft. Constructed initially as half double-lane, half triple-lane. Opened November 2008. |
|
Lawrence,
KS Douglas Co. United States |
McDonald Dr. / I-70 WB Ramps (38.99075, -95.25724) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 66.8368 |
Freeway Ramps (Grade-Separated) Single-Lane |
2008 | Opened November 2008. Replaced trumpet interchange. ICD estimated from Google Maps linework. |
|
Lawrence,
KS Douglas Co. United States |
E 1450 Rd. / I-70 Ramps (38.99456, -95.22959) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 73.1520 |
Freeway Ramps (Grade-Separated) Single-Lane |
2011 | Replaced trumpet interchange. |
|
Grass Valley,
CA Nevada Co. United States |
E. Main St. / Idaho-Maryland Rd. / SR 20 WB Ramps (39.22168, -121.05380) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2008 | Yield-controlled right-turn bypass lane on north leg with very shallow angle. Left-turn-only lane on east leg. |
|
Bellingham,
WA Whatcom Co. United States |
Northwest Ave. / I-5 NB Ramp (48.78500, -122.50420) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.4117 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | RT bypass lane on southbound approach. ICD estimated from Google Maps linework. |
|
Yakima,
WA Yakima Co. United States |
E. Valley Mall Blvd. / I-82 EB Ramps (46.56298, -120.47290) |
Roundabout Existing |
Unknown Unknown |
5 Approaches 0 Driveways 54.1971 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2010 | ICD estimated from Google Maps linework. |
|
Yakima,
WA Yakima Co. United States |
E. Valley Mall Blvd. / I-82 WB Ramps (46.56298, -120.47170) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 98.5403 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2011 | ICD estimated from Google Maps linework. |
|
Cheyenne,
WY Laramie Co. United States |
High Plains Rd. / I-25 SB Ramps (41.06202, -104.87730) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.4293 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | ICD estimated from Google Maps linework. |
|
Cheyenne,
WY Laramie Co. United States |
High Plains Rd. / I-25 NB Ramps (41.06046, -104.87620) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 55.8337 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | Only 3 of the 5 approaches are currently in service. One is under construction for the new Southeast Wyoming Welcome Center. The last is a future extension of High Plains to the east. ICD estimated from Google Maps linework. |
|
Cheyenne,
WY Laramie Co. United States |
Vandehei Ave. / I-25 NB Ramps / Hynds Blvd. (41.18365, -104.83710) |
Roundabout Existing |
All-Way Yield None |
6 Approaches 0 Driveways 46.7405 |
Freeway Ramps (Grade-Separated) Single-Lane |
2011 | Previously controlled by one-way stop ICD estimated from Google Maps linework. |
|
Cheyenne,
WY Laramie Co. United States |
Vandehei Ave. / I-25 SB Ramps / Bishop Blvd. (41.18365, -104.83900) |
Roundabout Existing |
All-Way Yield None |
6 Approaches 0 Driveways 44.9428 |
Freeway Ramps (Grade-Separated) Single-Lane |
2011 | Previously controlled by one-way stop ICD estimated from Google Maps linework. |
|
Blaine,
WA Whatcom Co. United States |
I-5 SB Ramps / Peace Portal Dr. / Marine Dr. (48.99723, -122.75250) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) |
4 Approaches 0 Driveways 26.6422 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | May 2010. Roundabout is ~200 ft from railroad crossing. ICD estimated from Google Maps linework. |
|
Blaine,
WA Whatcom Co. United States |
I-5 NB Ramps / D St. / 2nd St. (48.99810, -122.75140) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.6939 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | May 2010. ICD estimated from Google Maps linework. |
|
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. |
|
Walla Walla,
WA Walla Walla Co. United States |
Myra Rd. / SR 12 EB Ramps (46.06933, -118.36979) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6240 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | Raindrop shaped. July 2010. ICD estimated from Google Maps linework. |
|
Walla Walla,
WA Walla Walla Co. United States |
Myra Rd. / SR 12 WB Ramps (46.07040, -118.36987) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2010 | Raindrop shaped. July 2010. |
|
Woodland,
WA Cowlitz Co. United States |
Dike Access Rd. / I-5 NB Ramps (45.92780, -122.75522) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | Raindrop shaped. December 2010. |
|
Woodland,
WA Cowlitz Co. United States |
Dike Access Rd. / I-5 SB Ramps (45.92699, -122.75780) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | December 2010. |
|
Carmel,
IN Hamilton Co. United States |
E 136th St. / Keystone Pkwy NB Ramps (39.98598, -86.11404) |
Roundabout Existing |
All-Way Yield Metering Signal |
3 Approaches 0 Driveways 38.1000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2009 | Part of tight diamond interchange with raindrop shape central island. Modified in 2016-2017 to add metering signals. Northbound ramp from Keystone Pkwy has a metering signal (PHB) that activates during peak hours when triggered by a long westbound queue. Eastbound approach has a metering signal (PHB) that activates during peak hours when triggered by a long northbound queue. 21442 |
|
Carmel,
IN Hamilton Co. United States |
E 136th St. / Keystone Pkwy SB Ramps (39.98581, -86.11488) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.1134 |
Freeway Ramps (Grade-Separated) Single-Lane |
2009 | Part of tight diamond interchange with raindrop shape central island. ICD estimated from Google Maps linework. |
|
Carmel,
IN Hamilton Co. United States |
E 126th St. / Keystone Pkwy. NB Ramps (39.97122, -86.11223) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2009 | Right-turn-only lane on south leg. Raindrop shaped. Part of tight diamond interchange. |
|
Carmel,
IN Hamilton Co. United States |
E 126th St. / Keystone Pkwy. SB Ramps (39.97122, -86.11327) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2009 | Right-turn-only lane on north leg. Raindrop shaped. Part of tight diamond interchange. |
|
Carmel,
IN Hamilton Co. United States |
E Carmel Dr. / Keystone Pkwy. NB Ramps (39.96208, -86.11313) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2010 | Raindrop shaped. Part of tight diamond interchange. |
|
Carmel,
IN Hamilton Co. United States |
E Carmel Dr. / Keystone Pkwy. SB Ramps (39.96198, -86.11397) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2010 | Raindrop shaped. Part of tight diamond interchange. |
|
Carmel,
IN Hamilton Co. United States |
E 116th St. / Keystone Pkwy. NB Ramps (39.95663, -86.11353) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 48.7680 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2009 | Raindrop shaped. Part of tight diamond interchange. |
|
Carmel,
IN Hamilton Co. United States |
E 116th St. / Keystone Pkwy. SB Ramps (39.95665, -86.11430) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 48.7680 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2009 | Raindrop shaped. Part of tight diamond interchange. |
|
Carmel,
IN Hamilton Co. United States |
E 106th St. / Keystone Pkwy. NB Ramps (39.94169, -86.11259) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2009 | Raindrop shaped. Part of tight diamond interchange. |
|
Carmel,
IN Hamilton Co. United States |
E 106th St. / Keystone Pkwy. SB Ramps (39.94140, -86.11354) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2009 | Right-turn-only lane on north leg. Raindrop shaped. Part of tight diamond interchange. |
|
Rice Lake,
WI Barron Co. United States |
CTH O (18 1 / 2 Ave.) / US 53 NB Ramps (45.47319, -91.75753) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.5006 |
Freeway Ramps (Grade-Separated) Single-Lane |
2006 | Opened June 1, 2006 ICD estimated from Google Maps linework. |
|
Rice Lake,
WI Barron Co. United States |
CTH O (18 1 / 2 Ave.) / US 53 SB Ramps (45.47325, -91.76021) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.5005 |
Freeway Ramps (Grade-Separated) Single-Lane |
2006 | Opened June 1, 2006 ICD estimated from Google Maps linework. |
|
Richfield,
WI Washington Co. United States |
STH 145 / US 41 SB Ramps (43.28170, -88.19557) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.3868 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2009 | Series of 5 roundabouts. Corridor serves two interchanges and Cabelas commercial development. ICD estimated from Google Maps linework. |
|
Richfield,
WI Washington Co. United States |
STH 145 / US 41 NB Ramps (43.28247, -88.19345) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.7780 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2009 | Series of 5 roundabouts. Corridor serves two interchanges and Cabelas commercial development. ICD estimated from Google Maps linework. |
|
Richfield,
WI Washington Co. United States |
STH 145 / US 45 SB Ramps (43.28387, -88.18716) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.5606 |
Freeway Ramps (Grade-Separated) Single-Lane |
2009 | Series of 5 roundabouts. Corridor serves two interchanges and Cabelas commercial development. ICD estimated from Google Maps linework. |
|
Richfield,
WI Washington Co. United States |
STH 145 / US 45 NB Ramps (43.28380, -88.18485) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.4301 |
Freeway Ramps (Grade-Separated) Single-Lane |
2009 | Series of 5 roundabouts. Corridor serves two interchanges and Cabelas commercial development. ICD estimated from Google Maps linework. |
|
Grand Junction,
CO Mesa Co. United States |
24 Rd. / I-70 WB Ramps (39.11454, -108.60820) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.7732 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2006 | ICD estimated from Google Maps linework. |
|
Grand Junction,
CO Mesa Co. United States |
24 Rd. / I-70 EB Ramps (39.11333, -108.60820) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.0672 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2006 | ICD estimated from Google Maps linework. |
|
Pilot Mountain,
NC Surry Co. United States |
NC 268 (S Key St.) / US 52 EB Ramps / Black Mountain Rd. (36.37565, -80.48758) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.5027 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | ICD estimated from Google Maps linework. |
|
Pilot Mountain,
NC Surry Co. United States |
NC 268 (S Key St.) / US 52 WB Ramps (36.37640, -80.48578) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.6560 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | ICD estimated from Google Maps linework. |
|
Cleveland,
OH Cuyahoga Co. United States |
Quigley Rd. / W. 14th St. / I-71 NB Offramp / I-71 SB Onramp (41.46614, -81.69114) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.1181 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2006 | Opened August 21, 2006. ICD estimated from Google Maps linework. |