Roundabouts Database

29948 Results

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City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
Durango, CO
La Plata Co.
United States 		Jenkins Ranch Rd. / Lizard Head (north)
(37.28920, -107.84310) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
27.5556 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Ritchie, MD
Prince Georges Co.
United States 		Ritchie-Marlboro Rd. / I-95 SB Ramps
(38.86894, -76.84738) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
770.9968 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		2001 Opening initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
Ritchie, MD
Prince Georges Co.
United States 		Ritchie-Marlboro Rd. / I-95 NB Ramps
(38.86824, -76.84158) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
67.0560 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		2001 Opened initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
De Pere, WI
Brown Co.
United States 		Scheuring Rd. (CTH F) / US 41 NB Ramps
(44.43074, -88.10989) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2011 Series of 6 roundabouts. Yield-controlled right-turn bypass lane on south leg; merging right-turn bypass lane on east leg. Opened September 2011. Circular central island.
Carlsbad, CA
San Diego Co.
United States 		Legoland Dr. / Armada Dr.
(33.13229, -117.31660) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		1999 Unstriped circulatory roadway.
Phoenix, AZ
Maricopa Co.
United States 		S. Pointe Pkwy. W / S. Pointe Pkwy. E
(33.37649, -111.97210) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.8650 		Other (At-Grade)
Single-Lane 		1994 Before 1997. ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States 		MD 103 / MD 100 WB Ramps
(39.20846, -76.78294) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.3154 		Freeway Ramps (Grade-Separated)
Single-Lane 		1998 Opened November 1998. ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States 		MD 103 / MD 100 EB Ramps
(39.20733, -76.78243) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.5396 		Freeway Ramps (Grade-Separated)
Single-Lane 		1998 Opened November 1998. ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States 		Snowden River Pkwy. / MD 100 WB Ramps
(39.21233, -76.79544) 		Roundabout
Existing 		All-Way Yield
Metering Signal 		3 Approaches
0 Driveways
25.9105 		Freeway Ramps (Grade-Separated)
Single-Lane 		1998 Opened November 1998. Metering signal on Snowden River Pkwy approach. ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States 		MD 104 (Waterloo Rd.) / MD 100 WB Ramps
(39.22470, -76.80600) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		1999
De Pere, WI
Brown Co.
United States 		Scheuring Rd. (CTH F) / US 41 SB Ramps
(44.43050, -88.11402) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
56.3880 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2011 Series of 6 roundabouts. Opened September 2011.
Anchorage, AK
Anchorage
United States 		Old Seward Hwy / Huffman Rd..
(61.10864, -149.86350) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.8158 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Estimated completion 2008. ICD estimated from Google Maps linework.
Avon, CO
Eagle Co.
United States 		William J Post Blvd. / I-70 WB Ramps
(39.62759, -106.49460) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.6349 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2003 ICD estimated from Google Maps linework.
Avon, CO
Eagle Co.
United States 		William J Post Blvd. / I-70 EB Ramps
(39.62714, -106.49610) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.7153 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2003 ICD estimated from Google Maps linework.
Avon, CO
Eagle Co.
United States 		William J Post Blvd. / Fawcett Rd.
(39.62907, -106.50190) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.7944 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Serves Home Depot and Walmart retail center. Functional Class: Arterial ICD estimated from Google Maps linework.
Avon, CO
Eagle Co.
United States 		William J Post Blvd. / US 6
(39.62460, -106.50490) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.6366 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Fatal crash February 22, 2007. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
De Pere, WI
Brown Co.
United States 		Dickinson Rd. (CTH G) / East River Dr.
(44.43684, -88.02830) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.7306 		Other (At-Grade)
Single-Lane 		2001 Roundabout is slightly east of the Chicago/Swan roundabout and is located in a residential area. Roundabout is near East De Pere Middle School and De Pere High School. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework.
Crozet, VA
Ablemarle Co.
United States 		Old Trail Dr. / West End Dr.
(38.06612, -78.71195) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.0297 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Kaukauna, WI
Outagamie Co.
United States 		CTH J / US 41 NB Ramps
(44.30463, -88.24939) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.6070 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Opened October 11, 2010. ICD estimated from Google Maps linework.
Jackson, MS
Hinds Co.
United States 		John R. Lynch St. / Prentiss St.
(32.29755, -90.21119) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.3246 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 ICD estimated from Google Maps linework.
Starkville, MS
Oktibbeha Co.
United States 		Blackjack Rd. / Oktoc Rd.
(33.44708, -88.79340) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
31.8893 		Other (At-Grade)
Single-Lane 		2002 http://www.msstate.edu/web/media/detail.php?id=1874 Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Bowen Ave. / Phelps Ave.
(37.67470, -121.00600) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
22.6873 		Other (At-Grade)
Single-Lane 		2002 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Lifescapes Dr. / Grecian Ave.
(37.69840, -120.98540) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.5700 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
The Villages, FL
Sumter Co.
United States 		Buena Vista Blvd. / Tall Trees Ln.
(28.92198, -82.00272) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
59.5861 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States 		N. Uinta Way / E. 6th Ave. Pkwy.
(39.72570, -104.89200) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.4401 		Other (At-Grade)
Single-Lane 		1998 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
New Castle, CO
Garfield Co.
United States 		Castle Valley Blvd. / Pyramid St.
(39.57959, -107.52880) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
33.1386 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
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 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.
The Villages, FL
Sumter Co.
United States 		Buena Vista Blvd. / Stillwater Trl.
(28.90300, -81.98000) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
60.6426 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Bypass lane for southbound through movement in addition to two entry lanes. 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.
The Villages, FL
Sumter Co.
United States 		Morse Blvd. / Lake Sumter Landing
(28.90930, -81.96960) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
55.4114 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Bypass lane for northbound through movement. ICD estimated from Google Maps linework.
Bethlehem, NY
Albany Co.
United States 		Krumkill Rd. / Schoolhouse Rd. (CR 204)
(42.66450, -73.84795) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
33.3728 		Other (At-Grade)
Single-Lane 		2008 South entrance built for a road that was subsequently rejected Previously controlled by two-way stop Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Voorheesville, NY
Albany Co.
United States 		Rte 85A (Maple Rd.) / Rte 155
(42.64936, -73.92110) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2003 Replaced a stop-controlled, channelized triangular intersection. Completed Fall 2003. First roundabout in Albany area.
Colonie, NY
Albany Co.
United States 		Albany Shaker Rd. / Maxwell Rd.
(42.72396, -73.79143) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.7278 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Intersection is being relocated to east. Addition of a fourth leg is planned. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Chico, CA
Butte Co.
United States 		W. 8th Ave. / Meadow Rd.
(39.74013, -121.86330) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
2 Driveways
24.7963 		Other (At-Grade)
Single-Lane 		2005 Functional Class: Local ICD estimated from Google Maps linework.
Surrey, BC
Greater Vancouver Regional District
Canada 		King George Hwy / 8th Ave.
(49.01661, -122.76240) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.4647 		Other (At-Grade)
Single-Lane 		2004 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.
Cle Elum, WA
Kittitas Co.
United States 		SR 903 / Bullfrog Rd
(47.20810, -120.98210) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.3222 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Vernon, BC
North Okanagan Regional District
Canada 		30th Ave. / 31st Ave.
(50.26386, -119.28024) 		Roundabout
Existing 		All-Way Yield
Active Pedestrian Warning (flashing yellow) 		3 Approaches
0 Driveways
22.9043 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Unionville, PA
Chester Co.
United States 		Rte. 82 (Doe Run Rd.) / Unionville Rd.
(39.89142, -75.72215) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4909 		Other (At-Grade)
Single-Lane 		2005 Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		Veterans Pkwy. / Edgewood Dr. (Shops at Riverwoods)
(40.29899, -111.65785) 		Other
Removed 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2010 Initially constructed 1999. Converted 2010-2011 into pedestrian use only as part of outdoor mall.
Orem, UT
Utah Co.
United States 		E 850 North / N Palisade Dr.
(40.31273, -111.66490) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.4997 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Rochester, MN
Olmsted Co.
United States 		UCR Dr. SE / Ucr Pkwy SE (south)
(44.01538, -92.43011) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.3809 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Blair, NE
Washington Co.
United States 		NE 133 / US 30
(41.51842, -96.14633) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1353 		Other (At-Grade)
Single-Lane 		2004 Opened November 4, 2004. Right-turn bypass lanes on all three approaches. http://www.nebraskatransportation.org/roadrunner/docs/archives/Dec04Jan05.pdf ICD estimated from Google Maps linework.
Calgary, AB
Calgary Region
Canada 		8th St. / Frontenac Ave.
(51.02937, -114.08350) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.5433 		Other (At-Grade)
Single-Lane 		2005 Driveway serving house entering roundabout. 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.
Las Vegas, NV
Clark Co.
United States 		Hills Dr. / Longspur Dr.
(36.19252, -115.29770) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.2295 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1991 ICD estimated from Google Maps linework.
Federal Way, WA
King Co.
United States 		Weyerhaeuser Way S / S 336th St.
(47.30262, -122.29650) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2004 Opened July 2004. Painted spirals in circulatory roadway to guide all three left turns to outer circulating lane.
Orlando, FL
Orange Co.
United States 		N. Lake Orlando Pkwy / Cinderlane Pkwy
(28.60276, -81.43106) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
20.9715 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Blacksburg, VA
Montgomery Co.
United States 		Washington St. / Campus Dr. / Stadium Rd.
(37.22169, -80.42204) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
62.7690 		Other (At-Grade)
Single-Lane 		2005 On the campus of Virginia Tech. ICD estimated from Google Maps linework.
Frogtown, MD
Harford Co.
United States 		Mardic Dr. / Willrich Ct.
(39.57178, -76.37160) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.3011 		Other (At-Grade)
Single-Lane 		2001 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Fountain Green, MD
Harford Co.
United States 		Prospect Mill Rd. / Wagner Rd.
(39.55824, -76.30247) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.3072 		Other (At-Grade)
Single-Lane 		2002 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 Functional Class: Collector ICD estimated from Google Maps linework.
Nashua, NH
Hillsborough Co.
United States 		Main St. / Daniel Webster Hwy
(42.73881, -71.45826) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.4557 		Other (At-Grade)
Single-Lane 		2003 Located near Rivier College, 1/4 mile north of Exit 3 of the Everett Turnpike. ICD estimated from Google Maps linework.
Newton, MA
Middlesex Co.
United States 		Wheeler Rd. / Meadowbrook Rd.
(42.30915, -71.19085) 		Other
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
22.0809 		Other (At-Grade)
Single-Lane 		2003 At elementary school. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW Crossing Dr. / Shevlin Park Road
(44.06410, -121.34480) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.3280 		Other (At-Grade)
Single-Lane 		2006 Intersection as part of NW Crossing Development. Connection to existing NW Shevlin Park Road. ICD estimated from Google Maps linework.
De Pere, WI
Brown Co.
United States 		Grant St. (CTH EE) / S 9th St.
(44.44506, -88.09000) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.4324 		Other (At-Grade)
Single-Lane 		2003 Roundabout located within residential neighborhood that also contains a few small businesses and a fire station. One of the fire station driveways directly accesses the roundabout. Completed August 2003. http://www.co.brown.wi.us/Planning/roundabouts.html 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.
Jupiter, FL
Palm Beach Co.
United States 		S. Central Blvd. / Main St.
(26.88774, -80.11160) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
119.3041 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 ICD estimated from Google Maps linework.
Fort Walton Beach, FL
Oskaloosa Co.
United States 		Hollywood Blvd. / Hill Ave.
(30.41394, -86.66806) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.8704 		Other (At-Grade)
Single-Lane 		1995 Anderson Drive to south is disconnected at roundabout.
Tamarack Resort, ID
Valley Co.
United States 		West Mountain Rd. / Village Dr.
(44.66998, -116.11130) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.9203 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
South Windsor, CT
Hartford Co.
United States 		Hemlock Ave. / Evergreen Way
(41.81417, -72.55495) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.3975 		Other (At-Grade)
Single-Lane 		2004 Roundabout is part of The Shops at Evergreen Walk retail center. 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.
Colorado Springs, CO
El Paso Co.
United States 		Newport Rd. / Vapor Trl.
(38.80787, -104.72680) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
25.1284 		Other (At-Grade)
Single-Lane 		2002 Y-shaped intersection. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Rockhurst Blvd. / University Park Blvd.
(38.91005, -104.78980) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
21.3750 		Other (At-Grade)
Single-Lane 		1998 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		New Car Dr. / Duryea Dr.
(38.93880, -104.72930) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.5906 		Other (At-Grade)
Single-Lane 		2003 Serves retail shopping center. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Serenity Park Dr. / (parking lot)
(39.01540, -104.81010) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
23.1991 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Chattanooga, TN
Hamilton Co.
United States 		Mountain Creek Rd. / W Rd.
(35.10743, -85.32608) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
21.4951 		Other (At-Grade)
Single-Lane 		2003 At the base of the Previously controlled by one way stop ICD estimated from Google Maps linework.
Gaithersburg, MD
Montgomery Co.
United States 		Orchard Ridge Dr. / Mill Green Ave.
(39.12559, -77.22635) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.9872 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 ICD estimated from Google Maps linework.
Gaithersburg, MD
Montgomery Co.
United States 		Winter Walk Dr. / Highland Ridge Ave.
(39.12807, -77.22692) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.2800 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002). Was cul-de-sac prior to addition of two more legs. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Treeline View / Stately View
(38.87351, -104.86560) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
38.1228 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Santa Fe, NM
Santa Fe Co.
United States 		Rufina St. / Zafarano Dr.
(35.64938, -106.01476) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
32.0268 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Owensboro, KY
Daviess Co.
United States 		KY 56 / KY 81
(37.75357, -87.17403) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
39.6605 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 Functional Class: Arterial ICD estimated from Google Maps linework.
Port St. Lucie, FL
St. Lucie Co.
United States 		SE Westmorelane Blvd. / Gowan Dr.
(27.25913, -80.29256) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.5423 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
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
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
Concord, CA
Contra Costa Co.
United States 		Landana Dr. / Mulberry Dr.
(37.97886, -121.99430) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
16.0041 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Huntington, NY
Suffolk Co.
United States 		Clinton Ave. / Gerard St.
(40.87225, -73.42886) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
14.4499 		Other (At-Grade)
Single-Lane 		2002 http://query.nytimes.com/gst/fullpage.html?res=9D04E4DB133DF931A15751C1A9649C8B63 ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 55th Ave. (N) / SE Lincoln St.
(45.50806, -122.60650) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		1990 Completed 5/14/1990.
Portland, OR
Multnomah Co.
United States 		SE 55th Ave. (S) / SE Lincoln St.
(45.50804, -122.60610) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		1990 Completed 5/14/1990.
Central Oahu Regional Park, HI
Oahu Co.
United States 		Ka Uka Blvd. / Waipio Uka St.
(21.41762, -158.00730) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1385 		Other (At-Grade)
Single-Lane 		2002 Completed prior to 2006 Construction stage aerial in Google Earth. Functional Class: Park Road ICD estimated from Google Maps linework.
Salt Lake, HI
Oahu Co.
United States 		Ala Napunani St. / Likini St.
(21.34596, -157.90180) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.4727 		Other (At-Grade)
Single-Lane 		2001 Existing prior to 2006, includes driveway as 4th leg. Functional Class: Collector ICD estimated from Google Maps linework.
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.
Santa Fe, NM
Santa Fe Co.
United States 		Governor Miles Rd. / (unnamed)
(35.62729, -106.01980) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.2110 		Other (At-Grade)
Single-Lane 		2003 South Santa Fe East of Cerrillos Road Functional Class: Minor Collector ICD estimated from Google Maps linework.
(unincorporated), MI
Livingston Co.
United States 		Kensington Rd. / Jacoby Rd.
(42.55436, -83.69828) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2010).
Carmel, IN
Hamilton Co.
United States 		N. Westfield Blvd. / E. 96th St.
(39.92686, -86.12680) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
55.8692 		Other (At-Grade)
Single-Lane 		2005 Completed December 2005. Fatal crash October 1, 2007: http://www.indystar.com/apps/pbcs.dll/article?AID=/20071003/LOCAL/710030465/-1/LOCAL17. 11861-05. ICD estimated from Google Maps linework.
Acoma Indian Reservation, NM
McKinley Co.
United States 		Silver Dollar Rd. / Veterans Blvd.
(35.07119, -107.56000) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
43.0093 		Other (At-Grade)
Single-Lane 		2010 Near Hospital, low ADT, series of 3 roundabouts. ICD estimated from Google Maps linework.
Honolulu, HI
Oahu Co.
United States 		Haloa Dr. / Ala Oli St.
(21.36132, -157.92560) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
22.2456 		Other (At-Grade)
Single-Lane 		2005 Constructed prior to 2006 in Foster Village subdivision. ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		Clinton Pkwy. / Lake Pointe Dr.
(38.94298, -95.32938) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
31.5831 		Other (At-Grade)
Single-Lane 		2005 Fatal crash March 4, 2007. 11861-05.Functional Class: Arterial. ICD estimated from Google Maps linework.
Kalamazoo, MI
Kalamazoo Co.
United States 		W. Michigan Ave. / Rankin Ave.
(42.28220, -85.61948) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Concentric striping in circulatory roadway. Replaced stop-controlled intersection with one uncontrolled approach.
Eno, CO
Adams Co.
United States 		Memphis St. / E. 106th Pl.
(39.88960, -104.79650) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.6588 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Eno, CO
Adams Co.
United States 		Kittredge St. / E. 105th Ave.
(39.88913, -104.80030) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.2377 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local 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.
Chesterfield Court House, VA
Chesterfield Co.
United States 		Mimms Dr. / Government Center Pkwy.
(37.37778, -77.50466) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.1481 		Other (At-Grade)
Single-Lane 		2003 Right-turn-only lane on north leg. ICD estimated from Google Maps linework.
Sedona, AZ
Coconino Co.
United States 		AZ 89A / Brewer Rd.
(34.86599, -111.76500) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.2376 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Functional Class: Arterial ICD estimated from Google Maps linework.
Clarkdale, AZ
Yavapai Co.
United States 		Clarkdale Pkwy. / Mountain Gate Dr.
(34.76500, -112.06276) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2003-2006).
Short Pump, VA
Goochland Co.
United States 		Capitol One Dr. / Tuckahoe Creek Pkwy. access
(37.63382, -77.67312) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
38.7788 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Short Pump, VA
Goochland Co.
United States 		Capitol One Dr. / VA 288 Ramps
(37.63224, -77.67027) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
53.9131 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.