Roundabouts Database Index

29804 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
Cape Coral, FL Lee Co. United States	SE 24th Ave. / SE 9th St. / Birkdale Ave. (26.63679, -81.92426)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.5541	Other (At-Grade) Single-Lane	2002	Originally two stop-controlled, offset T-intersections. Now is a hotdog/racetrack-shaped roundabout. Date estimated. ICD estimated from Google Maps linework.
Middletown, NJ Monmouth Co. United States	Newman Springs Rd. (CR 520) / College Dr. (40.33204, -74.13175)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.7760	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Entrance to Brookdale Community College and Lincroft Bible Church. Expected opening August 2007. ICD estimated from Google Maps linework.
Branson, MO Taney Co. United States	Branson Landing Blvd. / Veterans Blvd. / Skaggs Rd. / Parnell Dr. (36.64981, -93.21976)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 63.2418	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Near Skaggs Community Health Center Hospital. Veterans Boulevard was formerly Business 65 but was transferred from MoDOT to the city. Cost of roundabout was $1.9 million. News article: http://www.news-leader.com/apps/pbcs.dll/article?Date=20060324&Category=NEWS02&ArtNo=603240360&SectionCat=&Template=printart ICD estimated from Google Maps linework.
Howard, WI Brown Co. United States	Belmont Rd. / Belle Plane Rd. (44.58361, -88.09459)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.9671	Other (At-Grade) Single-Lane	2000	Roundabout was constructed in center of residential subdivision south of Lineville Road. Roundabout is slightly smaller than the Lineville roundabouts. Completed August 2000. http://www.co.brown.wi.us/Planning/roundabouts.html Functional Class: Local ICD estimated from Google Maps linework.
Howard, WI Brown Co. United States	Velp Ave. (CTH HS) / Woodale Ave. (CTH EB) (44.57293, -88.07800)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.3300	Other (At-Grade) Single-Lane	2002	Roundabout Located near industrial park, rail line, and the Mountain-Bay Recreational Trail. Roundabout is at the intersection of two county highways and is slightly larger than the roundabouts built in 1999 and 2001 in Howard and De Pere. Completed August 2002. http://www.co.brown.wi.us/Planning/roundabouts.html. Fatal crash June 5, 2011. 11861-05. Functional Class: Arterial 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.
De Pere, WI Brown Co. United States	Scheuring Rd. (CTH F) / Suburban Dr. (44.43055, -88.08604)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.4090	Other (At-Grade) Single-Lane	2004	One of two roundabouts on an arterial street that separates a residential neighborhood from a business park. Many trucks traveling to and from the business park pass through this intersection each day, and the roundabout serves as an attractive entrance to the neighborhood and park. Completed November 2004. http://www.co.brown.wi.us/Planning/roundabouts.html. Series of 6 roundabouts. Opened November 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
De Pere, WI Brown Co. United States	Scheuring Rd. (CTH F) / S 9th St. / W Matthew Dr. (44.43063, -88.09529)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.8205	Other (At-Grade) Single-Lane	2004	Second of two roundabouts on an arterial street separating residential neighborhood from a business park. Many trucks pass through this intersection each day. Completed November 2004. http://www.co.brown.wi.us/Planning/roundabouts.html. Series of 6 roundabouts. Opened November 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
Dublin, OH Franklin Co. United States	Muirfield Dr. / Brand Rd. (40.12731, -83.14957)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 73.1520	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2005	Painted spirals next to central island.
Kennebunk, ME York Co. United States	Fletcher (Rte 35) / Storer St. (43.39060, -70.54562)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.4334	Other (At-Grade) Single-Lane	2003	Completed Fall 2003. Legs at 6, 8, and 10 oclock, plus a driveway. ICD estimated from Google Maps linework.
Lee, NH Rockingham Co. United States	US 4 / Rte 125 (43.14910, -71.00666)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2015	Constructed November 2003 as single-lane rotary as part of new shopping mall. Converted to multilane roundabout in 2015. First multilane roundabout conversion in New Hampshire.
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.
Barnstable, MA Barnstable Co. United States	Rte 149 / Race Ln. (41.68164, -70.40159)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8676	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Abingdon, MD Harford Co. United States	Tollgate Rd. / Singer Rd. (39.47828, -76.32727)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8121	Other (At-Grade) Single-Lane	1998	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.
Bel Air, MD Harford Co. United States	Moores Mill Rd. / Brushing Ln. (39.54368, -76.32365)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6298	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.
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.
Kennewick, WA Benton Co. United States	4th Ave. / Kellogg St. (46.20635, -119.20120)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.2355	Other (At-Grade) Single-Lane	2009	April 2009. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Kennewick, WA Benton Co. United States	Grandridge Blvd. / Okanogan Pl. (46.22327, -119.21380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.3148	Other (At-Grade) Single-Lane	2003	Completed November 2003. Functional Class: Collector ICD estimated from Google Maps linework.
Nampa, ID Canyon Co. United States	Happy Valley Rd. / Amity Ave. (43.56146, -116.51290)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.2726	Other (At-Grade) Single-Lane	2006	Designed for ultimate two-lane w/ 180-ft ICD. Current 160-ft single-lane is initial build. Previously controlled by 4-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Lithonia, GA DeKalb Co. United States	Klondike Rd. / Rockland Rd. (33.67606, -84.11486)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.7927	Other (At-Grade) Single-Lane	2008	Previously controlled by two-way stop control ICD estimated from Google Maps linework.
Gatineau, QC Outaouais Region Canada	Blvd. St.-Laurent / Blvd. St.-Joseph (Rte. 105) (45.43216, -75.73323)	Roundabout Existing	All-Way Yield Pedestrian Signal (red-yellow-green to drivers)	4 Approaches 0 Driveways 49.4493	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Staggered, two-stage pedestrian signal on east leg. Warning beacons on other legs. Functional Class: Arterial 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.
Brighton, MI Livingston Co. United States	Lee Rd. / Whitmore Lake Rd. (42.50627, -83.76012)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.2622	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Linked with US 23 SB Ramps/Lee Rd. roundabout. Functional Class: Arterial 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.
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.
Jupiter, FL Palm Beach Co. United States	S. Central Blvd. / Indian Creek Pkwy. (26.91067, -80.11073)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 105.4349	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Functional Class: Arterial ICD estimated from Google Maps linework.
Jupiter, FL Palm Beach Co. United States	S. Central Blvd. / Frederick Small Rd. (26.89750, -80.11127)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 119.2938	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	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.
Stuart, FL Martin Co. United States	S. Dixie Hwy / SW Joan Jefferson Way / SW Akron Ave. / SW St. Lucie Ave. (27.19928, -80.25545)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 29.7433	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.
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.
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.
Knightdale, NC Wake Co. United States	Hinton Oakes Blvd. / Lynnwood Rd. (35.79374, -78.51039)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.6876	Other (At-Grade) Single-Lane	2007	Roundabout was designed to accommodate existing utilities and connect two existing roads and a driveway to a new retail outlet. Functional Class: Arterial ICD estimated from Google Maps linework.
Knightdale, NC Wake Co. United States	Widewater Blvd. / Village Park Dr. (35.79402, -78.50642)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 16.4687	Other (At-Grade) Single-Lane	2004	Constructed using concrete. (Updated in 2007?) Functional Class: Collector ICD estimated from Google Maps linework.
Knightdale, NC Wake Co. United States	Maplewood Dr. / McKnight Dr. (35.79656, -78.48228)	Other Existing	All-Way Yield None	2 Approaches 0 Driveways 33.9052	Other (At-Grade) Single-Lane	2000	Functional Class: Collector ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	Crestline Rd. / Lincoln St. (47.72944, -117.37920)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.5271	Other (At-Grade) Single-Lane	2006	Opened September 2006. ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Brainard Dr. / Squirreltail Dr. (38.96376, -104.74410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.2161	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	(parking lot #1) (39.01388, -104.81080)	Roundabout Removed	All-Way Yield None	4 Approaches 0 Driveways 21.3437	Other (At-Grade) Single-Lane	2013	Originally built 2004. Removal date estimated (2011-2015). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Research Pkwy. / (unknown #1) (38.95966, -104.72230)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.5774	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Has marked double-left turn at northbound entry using conventional arrows. Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Research Pkwy. / (unknown #2) (38.96123, -104.71810)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.2198	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Research Pkwy. / (unknown #3) (38.96204, -104.71430)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.1479	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Functional Class: Arterial 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	New Car Dr. / Test Dr. (38.93844, -104.73440)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.6618	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Serves retail shopping center. ICD estimated from Google Maps linework.
Las Vegas, NV Clark Co. United States	Carey Ave. / Belmont St. (36.20325, -115.10700)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 13.4923	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Las Vegas, NV Clark Co. United States	Carey Ave. / Hamilton St. (36.20310, -115.12310)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.9484	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	ICD estimated from Google Maps linework.
Las Vegas, NV Clark Co. United States	Carey Ave. / Revere St. (36.20313, -115.15180)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.8396	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	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.
Colorado Springs, CO El Paso Co. United States	Cedar Creek View / (parking lot) (38.85572, -104.72340)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.1815	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Linton Hall, VA Prince William Co. United States	Tartan Hills Pkwy (VA 3254) / Broadsword Dr. (VA 3256) (38.74232, -77.58066)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.9462	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Linton Hall, VA Prince William Co. United States	Braemar Pkwy. (VA 3080) / Iona Sound Dr. (VA 3089) (38.73510, -77.56889)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.5816	Other (At-Grade) Single-Lane	1999	Year Completed estimated (1994-2002). ICD estimated from Google Maps linework.
Amherst, VA Amherst Co. United States	US 60 / US 29 (37.58815, -79.04990)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.2314	Other (At-Grade) Single-Lane	2004	Constructed in 1936, upgraded in 1940 and again in 2004. ICD estimated from Google Maps linework.
Port St. Lucie, FL St. Lucie Co. United States	SE Westmoreland Blvd. / Morningside Blvd. (27.25997, -80.30961)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.8991	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	SR 206 (Mt. Spokane Park Dr.) / Bruce Rd. (47.78761, -117.30400)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.3076	Other (At-Grade) Single-Lane	2005	http://www.wsdot.wa.gov/Projects/SR206/BruceRoadRoundabout/. Opened December 2005. Previously controlled by 2-way stop control ICD estimated from Google Maps linework.
Spokane, WA Spokane Co. United States	Wellesley Ave. / A St. (47.70076, -117.45400)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.7401	Other (At-Grade) Single-Lane	2005	Opened October 2005. ICD estimated from Google Maps linework.
Petaluma, CA Sonoma Co. United States	Casa Grande Rd. / Ely Blvd. (38.24348, -122.59580)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.8924	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Phoenix, AZ Maricopa Co. United States	W Riverwood Blvd. / W Kirby Ave. (33.41608, -112.27480)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 16.9473	Other (At-Grade) Single-Lane	2002	Painted splitter islands. ICD estimated from Google Maps linework.
Cottonwood, AZ Yavapai Co. United States	AZ 89A / Avenida Centerville (34.75854, -112.05880)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0983	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Clarkdale, AZ Yavapai Co. United States	AZ 89A / Cement Plant Rd. / Clarkdale Pkwy. (34.76220, -112.06416)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Series of 5 roundabouts. Yield-controlled right-turn bypass lane on east leg. Year Completed estimated (2007-2009).
Cottonwood, AZ Yavapai Co. United States	AZ 89A / Groseta Ranch Rd. (34.74706, -112.04510)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.1235	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Cottonwood, AZ Yavapai Co. United States	AZ 89A / Lisa St. / Lincoln Dr. (34.75449, -112.05400)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.0444	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Series of 5 roundabouts. Functional Class: Arterial 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.
Sedona, AZ Coconino Co. United States	AZ 89A / AZ 179 (34.86597, -111.76370)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.1774	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Functional Class: Arterial 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).
West Roxbury, MA Suffolk Co. United States	W. Roxbury Pkwy. / Lagrange St. / Newton St. / Hammond Pond Pkwy. / Hammond St. (42.31049, -71.16329)	Rotary Existing	All-Way Yield Unknown	5 Approaches 1 Driveways 72.4235	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Retrofitted in 2014 with the pavement markings. ICD estimated from Google Maps linework. Lacks entry deflection on multiple legs, intersection sight distance.
Quincy, MA Norfolk Co. United States	Washington St (Rte 3A) / Dee Rd (42.24553, -70.97224)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 66.3095	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Rotary update ICD estimated from Google Maps linework.
Marana, AZ Pima Co. United States	Main St. / Civic Center Dr. (32.44841, -111.21150)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.2674	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Newport, RI Newport Co. United States	J. T. Connell Hwy. / Admiral Kalbfus Rd. (41.50703, -71.31757)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2022	Conversion from rotary to roundabout. https://www.newportthisweek.com/articles/rotary-morphing-into-a-roundabout/
Riverhead, NY Suffolk Co. United States	Flanders Rd. (Rte. 24) / Peconic Ave. / Lake Ave. / Riverleigh Ave. (40.91461, -72.66277)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 58.6650	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Converted from rotary to roundabout in 2018. https://riverheadlocal.com/2018/10/26/its-been-a-long-road-to-a-new-roundabout-in-riverside-but-its-officially-completed/. ICD estimated from Google Maps linework.
Squamish, BC Squamish-Lillooet District Canada	Commercial Way / Discovery Way (49.72279, -123.15057)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Home Depot retail center on one corner. Uses fishhook signs and pavement markings. Year Completed estimated (2004-2009).
Lehi, UT Utah Co. United States	Main St. (Hwy 73) / N 500 W (Hwy 197) (40.38755, -111.85710)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)	4 Approaches 0 Driveways 30.9296	Other (At-Grade) Single-Lane	2003	Railroad approx. 400 feet from roundabout. Traffic is backed up on Main St. at all locations including the RR xing and roundabout - high growth and no other traffic options to and from freeway. ICD estimated from Google Maps linework.
Bellevue, WI Brown Co. United States	US 141 / Allouez Ave. (44.45882, -87.95038)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.4753	Other (At-Grade) Single-Lane	2007	Railroad is ~110 feet from roundabout. Seasonal summaer crossing and maybe 1 train per day for a short duration. Opened November 2, 2007. ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Kilborn Ave. / Lamira St. (45.38604, -75.67085)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.5195	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Prince of Wales Dr. / National Capital Com Driveway (45.39028, -75.70744)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.2598	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Converted old circle. ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Sussex Dr. / Rideau Gate (45.44456, -75.69254)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.3003	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Kemptville, ON United Counties of Leeds and Grenville Canada	CR 43 / Rideau River Rd. (45.02990, -75.63668)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2004). ICD estimated from Google Maps linework.
Orlando, FL Orange Co. United States	N. Westmoreland Dr. / S. Lake Adair Blvd. (28.55947, -81.39339)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.0291	Other (At-Grade) Single-Lane	1998	Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints; skewed Functional Class: Collector? ICD estimated from Google Maps linework.
Conway, AR Faulkner Co. United States	Washington Ave. / Tyler St. / Winfield St. (35.10256, -92.44462)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.1988	Other (At-Grade) Single-Lane	2005	Functional Class: Arterial ICD estimated from Google Maps linework.
Orlando, FL Orange Co. United States	N. Westmoreland Dr. / N. Lake Adair Blvd. (28.56104, -81.39342)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 17.8328	Other (At-Grade) Single-Lane	1999	Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints Functional Class: Collector? ICD estimated from Google Maps linework.
Asheville, NC Buncombe Co. United States	College St. / Valley St. / Oak St. (35.59719, -82.54733)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1343	Other (At-Grade) Single-Lane	2005	Entrance to downtown. Downtown redevelopment - "road diet". ICD estimated from Google Maps linework.
West Jordan, UT Salt Lake Co. United States	W 8020 S / (parking lots) (40.60561, -111.93990)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.3888	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	Main St. / 7th St. (39.06731, -108.56104)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.8912	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Maplewood, MN Ramsey Co. United States	Legacy Pkwy / (unknown) (45.03324, -93.03310)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.0089	Other (At-Grade) Single-Lane	2004	Functional Class: Local ICD estimated from Google Maps linework.
Bridal Falls, BC Fraser Valley Regional District Canada	Hwy 9 / Yale Road East (49.18523, -121.76500)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2004	Completed October 29, 2004.
Fort Wayne, IN Allen Co. United States	Old Mill Rd. / Westover Rd. (41.04247, -85.15324)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.7261	Other (At-Grade) Single-Lane	2001	Previously controlled by two-way stop control Functional Class: Collector ICD estimated from Google Maps linework.
Fort Wayne, IN Allen Co. United States	Pontiac St. / Wayne Trace (South) / Adams St. / Pioneer St. (41.06100, -85.10003)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003	One of two adjacent roundabouts.
Fort Wayne, IN Allen Co. United States	Pontiac St. / Wayne Trace (North) / Fenker Ave. / Pioneer St. (41.06183, -85.09948)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003	One of two adjacent roundabouts.
Dublin, OH Union Co. United States	Hyland-Croy Rd. / Glacier Ridge Blvd (40.15634, -83.18476)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.9484	Other (At-Grade) Single-Lane	2006	A school nearby and park on the other side. Previously controlled by stop control side street Functional Class: Arterial/Residential ICD estimated from Google Maps linework.
Madras, OR Jefferson Co. United States	SE Grizzly Rd. / SE J St. / SE City View Rd. / (future leg) (44.62504, -121.10943)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 54.4017	Other (At-Grade) Single-Lane	2007	Sized for conversion to ultimate double-lane. Bear sculpture in central island. ICD estimated from Google Maps linework.
Madras, OR Jefferson Co. United States	SE City View St. / SE Yarrow Ave. / (future leg) (44.63084, -121.10905)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.3963	Other (At-Grade) Single-Lane	2007	Sized for conversion to ultimate double-lane. Raptor sculpture in central island. ICD estimated from Google Maps linework.
Houston, TX Harris Co. United States	Washington Ave. / Westcott St. / Arnot St. (29.77107, -95.42352)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8637	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	http://www.chron.com/disp/story.mpl/metropolitan/moveit/4660312.html
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.