|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
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. |
|
Calabasas,
CA Los Angeles United States |
Parkway Calabasas/Camino Portal (34.13878, -118.65890) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Originally double-lane roundabout. Parkway Calabasas approaches tapered to single-lane in advance of entry by striping. Functional Class: Arterial |
|
Golden,
CO Jefferson United States |
S. Golden Rd./Johnson Rd./16th St. (39.74207, -105.20060) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Functional Class: Arterial |
|
Golden,
CO Jefferson United States |
S. Golden Rd./Lunnanhaus (39.74062, -105.19840) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Previously controlled by two-way stop Functional Class: Arterial |
|
Golden,
CO Jefferson United States |
S. Golden Rd./Utah St. (39.73919, -105.19620) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Previously controlled by two-way stop Functional Class: Arterial |
|
Golden,
CO Jefferson United States |
S. Golden Rd./Ulysses St. (39.73771, -105.19390) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Main entrance to shopping center. Functional Class: Arterial |
|
Grand Junction,
CO Mesa United States |
Horizon Dr./12th St. (39.10168, -108.55220) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1998 | |
|
Howard,
WI Brown United States |
Glendale Ave./Hillcrest Heights (44.56551, -88.09801) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2008 | Opened August 1, 2008. |
|
Lake Oswego,
OR Clackamas United States |
Carman Dr./Meadows Rd./Quarry Rd. (45.41700, -122.72490) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2003 | Functional Class: Collector |
|
Bend,
OR Deschutes United States |
SW Colorado Ave./Simpson St. (44.04770, -121.32290) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | Functional Class: Arterial |
|
Clearwater,
FL Pinellas United States |
Mandalay Ave./Acacia St. (27.98970, -82.82660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | Boundary between commercial and residential area. Allows traffic attempting to park to use roundabout for U-turn without entering residential area. Also serves as U-turn for everyone, including WB-50 semis. Previously controlled by two-way stop Functional Class: Collector |
|
Linton Hall,
VA Prince William United States |
Tartan Hills Pkwy./Native Rocks Dr./Seagate Way (38.74593, -77.58755) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2004 | |
|
Portsmouth,
VA N/A United States |
Crawford St./Bart St. (36.83202, -76.29770) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
2007 | |
|
Colorado Springs,
CO El Paso United States |
Chapel Hills Dr./Divot Trl. (38.97569, -104.77560) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2002 | Functional Class: Arterial |
|
Carson City,
NV Carson City United States |
5th St./Edmonds (39.16090, -119.72790) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1999 | Suburban |
|
Hinesville,
GA Liberty United States |
Washington Ave./Memorial Dr. (31.84992, -81.59570) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2010 | |
|
Brookfield,
WI Waukesha United States |
Barker Rd. (CTH Y)/North Ave. (CTH M) (43.06136, -88.16629) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2010 | Functional Class: Arterial |
|
Lakewood,
CO Jefferson United States |
Allison Pkwy./Civic Center (39.70906, -105.08630) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways |
Other Single-Lane |
1999 | |
|
Lakewood,
CO Jefferson United States |
Arbutus Dr./W. 2nd Pl. (39.71649, -105.14750) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
2001 | Functional Class: Collector |
|
Greenbelt,
MD Prince Georges United States |
Hanover Pkwy./Village Park Dr./Schrom Hills Community Park entrance (38.98378, -76.87333) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1998 | Year Completed estimated (1994-2001). |
|
Superior,
CO Boulder United States |
5th Ave./Center Dr. (39.95764, -105.17190) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1999 | Serves Costco and Target as part of 750,000 square foot shopping center. Functional Class: Local |
|
Gypsum,
CO Eagle United States |
I-70 Frontage Roads/US 6 (39.65086, -106.95510) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2004 | |
|
Swinomish Tribal Community,
WA Skagit United States |
SR 20/Padilla Heights Rd. (48.45519, -122.51940) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2002 | The ground breaking ceremony was held October 2002. The client is the Swinomish Tribe. Opened October 2002. Functional Class: Local |
|
La Conner,
WA Skagit United States |
LaConner-Whitney Rd./Chilberg Rd./Morris Sr. (48.39234, -122.48660) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
2003 | Roundabout replaces a Y intersection. The center island is under private ownership and contains an exisitng granite monument. Opened September 2003. Previously controlled by one-way stop Functional Class: Arterial |
|
New London,
CT New London United States |
Shaw St./Pequot Ave./Nameaug St./Driveway to Pfizer (41.34204, -72.09873) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2000 | Functional Class: Collector |
|
Carmel,
IN Hamilton United States |
Hazel Dell Pkwy./E. 126th St. (39.97119, -86.07069) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
1998 | Built in late 1990s. Functional Class: Arterial |
|
Carmel,
IN Hamilton United States |
Hazel Dell Pkwy./E. 131st St. (39.97845, -86.07054) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1998 | Built in late 1990s. Functional Class: Arterial |
|
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. |
|
Medford,
MN Steele United States |
CR 12/I-35 NB Ramps (44.17349, -93.25775) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2002 | Previously controlled by one-way stop Functional Class: Collector |
|
Hilton Head,
SC Beaufort United States |
US 278/Pope Ave./Greenwood Dr./William Hilton Pkwy. (32.15560, -80.76283) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2000 | Converted rotary with large diameter. Right turn bypass lanes on all legs. Conversion Year Completed estimated (1994-2005). |
|
Carmel,
IN Hamilton United States |
River Rd./East 131st St./Longest Dr. (39.97910, -86.05145) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1995 | Completed mid 1990s. Previously controlled by one-way stop Functional Class: Local |
|
Carmel,
IN Hamilton United States |
Gray Rd./106th St. (39.94151, -86.08847) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2003 | Under construction in December 2002; completed January 2003. Intersection closed until completion. Construction cost $430,000 per Indianapolis Star article authored by Bill Ruthhart (12/05/2002). Functional Class: Arterial |
|
Carmel,
IN Hamilton United States |
Spring Mill Rd./W. 131st St. (39.97776, -86.16474) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2007 | Construction planned for Spring 2003 per article in The Indianapolis Star (12/05/2002). Functional Class: Arterial |
|
Carmel,
IN Hamilton United States |
Spring Mill Rd./W. 136th St. (39.98505, -86.16485) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2005 | Construction planned for Spring 2003 per article in The Indianapolis Star (12/05/2002). Functional Class: Arterial |
|
Carmel,
IN Hamilton United States |
Old Meridian St./Pennsylvania St. (39.96787, -86.15519) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2008 | Construction planned for Summer 2003 per article in The Indianapolis Star (12/05/2002). |
|
Carmel,
IN Hamilton United States |
Old Meridian St./131st (Main) St. (39.97806, -86.14577) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2007 | Construction planned for Summer 2003 per article in The Indianapolis Star (12/05/2002). |
|
Bettendorf,
IA Scott United States |
53rd Ave./Middle Rd. (41.57538, -90.46408) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2002 | Right turn bypass lanes striped within roundabout. Construction cost ~$865,000. Information from website: http://www.bettendorf.lib.ia.us/publicworks/roundabout.html |
|
Johnson City,
NY Broome United States |
Rte. 201/Riverside Dr./Floral Ave. (42.10674, -75.96615) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2005 | http://www.dot.state.ny.us/reg/r9/cur_project/circle/about/index.html Previously controlled by rotary |
|
Raleigh,
NC Wake United States |
Pullen Rd./Stinson Dr. (35.78457, -78.66421) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2002 | Located on campus of North Carolina State University. Completed November 2002. Used to have Pedestrian signal located upstream of roundabout (removed in 2006) Previously controlled by one-way stop Functional Class: Local |
|
Lenexa,
KS Johnson United States |
67th St./Gleason Rd. (39.00723, -94.86295) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2002 | Built as part of extension of both streets -- road originally curved from the north to the east. Completed October 2002. Functional Class: Collector |
|
Reno,
NV Washoe United States |
Wedekind Rd./Clear Acre Ln. (39.55157, -119.78930) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1999 | Previously controlled by two-way stop |
|
Lake Oswego,
OR Clackamas United States |
Stafford Rd./Rosemont Rd. (45.39300, -122.69020) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2005 | Previously controlled by two-way stop Functional Class: Arterial |
|
(unincorporated),
OR Clackamas United States |
Stafford Rd./Borland Rd. (45.37472, -122.70240) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2009 | Estimated completion 2007. Functional Class: Arterial |
|
Urbana,
MD Frederick United States |
Bennett Creek Ave./Bennett Creek Blvd. (39.32256, -77.34935) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
2000 | |
|
Chattanooga,
TN Hamilton United States |
US 41 - US 76 - SR 8 (Westside Dr.)/29th St. (35.00944, -85.27164) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
2001 | Completed September 26, 2001. The intersection is located at the western portal of the Bachman Tunnel, a two-lane tunnel through Missionary Ridge, connecting Chattanooga with the City of East Ridge, Tennessee. Previously controlled by two-way stop Functional Class: Arterial |
|
Williston,
VT Chittenden United States |
Maple Tree Pl./Sycamore Dr. (44.44349, -73.10966) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | Completed November 2001. Major shopping area, road part of the planned ring road around Taft Corner. Functional Class: Local |
|
Bend,
OR Deschutes United States |
SW Industrial Way/Wall St. (44.05050, -121.31750) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
2003 | Wall St. is one-way southbound into the roundabout. Roundabout is raindrop-shaped to prevent eastbound to northbound movements. Dogbone/peanut shape. Previously controlled by one-way stop Functional Class: Collector |
|
Bend,
OR Deschutes United States |
SW Industrial Way/Bond St. (44.05040, -121.31630) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
2003 | Bond St. is one-way northbound out of the roundabout. Roundabout has raindrop-shaped central island, as no westbound to southbound movements are needed. Dogbone/peanut shape. Functional Class: Collector |
|
Colorado Springs,
CO El Paso United States |
Lake Ave./Lake Cir. (38.79144, -104.84880) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1995 | Year Completed estimated (before 1999). |