Roundabouts Database Index

30321 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
Saguenay, QC Saguenay Canada	Boulevard du Saguenay / Rue Moissan / Rue Oersted / Boulevard Mellon (48.43281, -71.17983)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 31.6974	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2005). ICD estimated from Google Maps linework.
Mount Pleasant, SC Charleston Co. United States	Park West Blvd. / Queensgate Way (32.89109, -79.78477)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 59.1701	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Chambly, QC La Vallée-du-Richelieu Regional County Municipality Canada	Avenue Bourgogne / Avenue de Salaberry / Rue Martel (45.44894, -73.29059)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1362	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Sykesville, MD Carroll Co. United States	Old Washington Rd. (MD 97) / W Old Liberty Rd. (39.42906, -77.00755)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.1330	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1995-2005). ICD estimated from Google Maps linework.
Clovis, CA Fresno Co. United States	Deauville Cir. / Armstrong Ave. (36.86322, -119.67286)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 58.2883	Other (At-Grade) Single-Lane	2000	Pedestrian crossing next to circulatory roadway. ICD estimated from Google Maps linework.
Prescott, AZ Yavapai Co. United States	Blooming Hills Dr. / S Blooming Hills Dr. (34.58020, -112.44489)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.4332	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1992-2002). ICD estimated from Google Maps linework.
Saguenay, QC Saguenay Canada	Rue Jacques-Cartier E / Rue du Foyer / Rue des Franciscaines (48.42346, -71.03839)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.3626	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2005). ICD estimated from Google Maps linework.
Saguenay, QC Saguenay Canada	Rue Jacques-Cartier E / Boulevard Talbot (48.42400, -71.04228)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.1177	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2005). ICD estimated from Google Maps linework.
Yamachiche, QC Maskinongé Canada	Boulevard Saint Laurent E / Route Ste-Anne O / Route du Pays Brûlé (46.26235, -72.87783)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.1111	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2005). ICD estimated from Google Maps linework.
Pleasanton, CA Alameda Co. United States	Mill Creek Pl. / Oak Vista Way (37.65794, -121.89347)	Traffic Calming Circle Existing	Uncontrolled None	3 Approaches 1 Driveways 16.0738	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1993-2002). ICD estimated from Google Maps linework.
Syracuse, UT Davis Co. United States	S Bluff Rd. / S 2000 W / W 2700 S (41.07470, -112.06459)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways 33.3129	Other (At-Grade) Single-Lane	2000	Painted splitter islands. Year Completed estimated (1997-2003). ICD estimated from Google Maps linework.
Carthage, MO Jasper Co. United States	E Airport Dr. / S Grand Ave. / Fairlawn Ave. (37.14749, -94.31065)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 50.4549	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1997-2003). ICD estimated from Google Maps linework.
Carthage, MO Jasper Co. United States	W George Phelps Blvd. / S Garrison Ave. (37.14409, -94.31474)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.3208	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1997-2003). ICD estimated from Google Maps linework.
Princeton, NJ Mercer Co. United States	Elm Dr. / South Dr. (40.34078, -74.65595)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 1 Driveways 29.1305	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1997-2002). ICD estimated from Google Maps linework.
Markham, ON York Canada	Swan Lake Blvd. / Lakeside Vista Way. (43.89623, -79.25077)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.0000	Other (At-Grade) Single-Lane	2001	Year Completed estimated (2000-2001).
Amesbury, MA Essex Co. United States	Friend St / School St (Rte 150) / Allens Ct (42.85615, -70.93410)	Roundabout Existing	Other None	4 Approaches 0 Driveways 26.2656	Other (At-Grade) Single-Lane	2001	North leg stop-controlled. Fire station on south leg. Resurfaced on 2017. ICD estimated from Google Maps linework.
Kamloops, BC Thompson-Nicola Canada	Qu'Appelle Blvd. / Highland Rd. (50.66113, -120.26216)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.2269	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Suwanee, GA Gwinnett Co. United States	Summit Gate Dr. / Sentry Ridge Crossing (34.05950, -84.02453)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.6729	Other (At-Grade) Single-Lane	2001	No splitter islands. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Prescott, AZ Yavapai Co. United States	E Smoke Tree Ln. / Northridge Dr. / Solstice Dr. (34.58711, -112.44239)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.3132	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1992-2002). ICD estimated from Google Maps linework.
Clovis, CA Fresno Co. United States	N Timmy Ave. / W Heritage Ave. (36.85883, -119.72723)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 21.0232	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Clovis, CA Fresno Co. United States	N Timmy Ave. / W Quincy Ave. (36.85710, -119.72725)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 26.7574	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Clovis, CA Fresno Co. United States	N Timmy Ave. / W Enterprise Ave. (36.85538, -119.72726)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 22.9355	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Norfolk, NE Madison Co. United States	W Pasewalk Ave. / S 7th St (42.02605, -97.41686)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.7287	Other (At-Grade) Single-Lane	2001	At-grade rail crossing on east leg. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Westfield, IN Hamilton Co. United States	Brookhollow Dr. / Slippery Rock Ct. / Spillwater Way (40.02443, -86.10150)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 49.3874	Other (At-Grade) Single-Lane	2001	No splitter islands. Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Prévost, QC La Rivière-du-Nord Regional County Municipality Canada	Rue du Clos-des-Réas / Rue du Clos-Toumalin / Rue du Clos-Vougeot (45.83283, -74.05424)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.7897	Other (At-Grade) Single-Lane	2001	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
St George, UT Washington Co. United States	N Country Ln. / Stonebridge Dr. / W Monterey Dr. (37.11117, -113.62943)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1450	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1993-2003). ICD estimated from Google Maps linework.
Riverton, UT Salt Lake Co. United States	S Park Ave. / W Park Ave. (40.51950, -111.94594)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 28.1452	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1997-2002). ICD estimated from Google Maps linework.
Brandon, MB Manitoba Canada	Maryland Ave. / Magnolia Dr. (49.81997, -99.94982)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0697	Other (At-Grade) Single-Lane	2001	Year Completed estimated (before 2004). ICD estimated from Google Maps linework.
Fleming Island, FL Clay Co. United States	Town Center Blvd. / Radar Rd. (30.09197, -81.71185)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.2009	Other (At-Grade) Single-Lane	2001	Elliptical shape. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Coeur D'Alene, ID Kootenai Co. United States	W Hanley Ave. / N Courcelles Pkwy. (47.73020, -116.81799)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.9366	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1998-2004). ICD estimated from Google Maps linework.
Greensboro, NC Guilford Co. United States	Airpark Rd. / Albert Pick Rd. (36.07486, -79.94894)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.8900	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Greensboro, NC Guilford Co. United States	Airpark Rd. / Abert Pick Rd. / Gallimore Dairy Rd. (36.07414, -79.94649)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.9250	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	Crown Crest Blvd. / Cottonwood Dr. (39.55051, -104.77237)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 50.6497	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Castle Pines, CO Douglas Co. United States	Daniels Gate Dr. / Grigs Rd. (39.48770, -104.91860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7912	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
O'Fallon, MO St. Charles Co. United States	Phoenix Pkwy. / Redhawk Pkwy. / Red Hawk Pl. (38.74510, -90.73630)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5341	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
O'Fallon, MO St. Charles Co. United States	Phoenix Pkwy. / Phoenix Dr. / Boardwalk Place Dr. (38.74122, -90.73747)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5359	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
Omaha, NE Douglas Co. United States	N 172nd St. / Locust St. (41.28520, -96.18319)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.4365	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Elkhorn, NE Douglas Co. United States	Jones St. / S 182nd St. (41.25259, -96.20069)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2003).
Omaha, NE Douglas Co. United States	N 21st St. / Charles St. (41.27319, -95.94354)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.5192	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Bennington, NE Douglas Co. United States	N 152nd St. / Vane St. (41.32290, -96.15098)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.0113	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Collegiate Dr. / Michael Dr. (38.89928, -104.78230)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 16.7308	Other (At-Grade) Single-Lane	2001	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.
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.
Colorado Springs, CO El Paso Co. United States	Mesa Rd. / Kissing Camels Dr. (38.87808, -104.86580)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 29.7525	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
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.
Lindon, UT Utah Co. United States	400 South / 600 West (Lindon Park Circle) (40.33034, -111.73140)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 33.6873	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	Date estimated. ICD estimated from Google Maps linework.
Overland Park, KS Johnson Co. United States	W. 141st St. / Bluejacket St. (38.87130, -94.71130)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.6150	Other (At-Grade) Single-Lane	2001	Functional Class: Local ICD estimated from Google Maps linework.
Duxbury, MA Plymouth Co. United States	Lincoln St. / Congress St. (42.05532, -70.72294)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 21.2829	Other (At-Grade) Single-Lane	2001	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.
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.
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.
Calgary, AB Calgary Region Canada	Discovery Ridge Blvd. / Discovery Dr. (51.01179, -114.20000)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.0855	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	Date estimated. ICD estimated from Google Maps linework.
De Pere, WI Brown Co. United States	Chicago St. (CTH G) / Libal St. (44.44026, -88.03812)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8455	Other (At-Grade) Single-Lane	2001	Roundabout surrounded by homes, businesses, East De Pere Middle School, and De Pere High School. Roundabout serves as main entrance to the high school. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework.
De Pere, WI Brown Co. United States	Dickinson Rd. (CTH G) / Swan Rd. (44.43908, -88.03475)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.0241	Other (At-Grade) Single-Lane	2001	Roundabout is slightly east of the Chicago/Libal roundabout and is surrounded by businesses and East De Pere Middle School. Roundabout serves as the entrance to a medical clinic. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html 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.
The Villages, FL Marion Co. United States	Buena Vista Blvd. / Mulberry Ln. (28.98078, -82.01563)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 70.0001	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	ICD estimated from Google Maps linework.
The Villages, FL Marion Co. United States	Buena Vista Blvd. / Legacy Ln. (28.97006, -82.01506)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.3341	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	ICD estimated from Google Maps linework.
The Villages, FL Marion Co. United States	Buena Vista Blvd. / Belle Meade Cir. (28.96300, -82.00399)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.3827	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	ICD estimated from Google Maps linework.
Minneapolis, MN Hennepin Co. United States	Minnehaha Ave. / Godfrey Pkwy. (44.91655, -93.21317)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.1384	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Maple Grove, MN Hennepin Co. United States	Jonquil Ln. / 85th Ave. (45.10938, -93.43398)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 57.3175	Other (At-Grade) Single-Lane	2001	Mountable splitter islands, driverways in circle, parking in circle, pedestrian amenity in central island. Functional Class: Local 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.
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.
Hollymead, VA Albemarle Co. United States	Ashwood Blvd. / Stratford Glen / Chimney Rd. (38.10672, -78.43133)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 22.5545	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Cresthaven Dr. / Waterbridge Dr. (45.28097, -75.70818)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.6990	Other (At-Grade) Single-Lane	2001	Minimal splitter islands. ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	750 N St. / 2860 E St. (37.12077, -113.52450)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.5218	Other (At-Grade) Single-Lane	2001	Next to school campus. ICD estimated from Google Maps linework.
Amelia Island, FL Nassau Co. United States	SR A1A / Amelia Island Plantation (30.55717, -81.45009)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2003).
Little Rock, AR Pulaski Co. United States	36th St. / Romine Rd. / West Rd. (34.72098, -92.38181)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.5782	Other (At-Grade) Single-Lane	2001	Elementary school and church nearby. http://www.contextsensitivesolutions.org/content/case_studies/kentucky_roundabout/resources/kentucky_roundabout_pdf/ Functional Class: Arterial ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	SW Colorado Ave. / SW Simpson St. (44.04770, -121.32290)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.2050	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Clearwater, FL Pinellas Co. United States	Mandalay Ave. / Acacia St. (27.98970, -82.82660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.4750	Other (At-Grade) 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 ICD estimated from Google Maps linework.
Calabasas, CA Los Angeles Co. United States	Parkway Calabasas / Camino Portal (34.13878, -118.65890)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.6442	Other (At-Grade) 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 ICD estimated from Google Maps linework.
Amelia Island, FL Nassau Co. United States	SR A1A / Beach Lagoon Rd. (30.55541, -81.44933)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2001	Elliptical shape. ICD = 125 ft x 105 ft. Year Completed estimated (1999-2003).
Dimondale, MI Eaton Co. United States	East Rd. / Creyts Rd. (42.64743, -84.64275)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.6250	Other (At-Grade) Single-lane w/ Traversable Central Island	2001	British-style mini-roundabout. http://www.teachamerica.com/roundabouts/RA054A_Waddell_ppr.pdf ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	Southport Dr. / Maritime Loop / Washington Ave. (61.12706, -149.92590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.9886	Other (At-Grade) Single-Lane	2001	The first winter resulted in several accidents, including the loss of a number of light poles around the circle. In response, minor modifications were made to the roundabout in 2002. ICD estimated from Google Maps linework.
Lafayette, LA Lafayette Par. United States	Settlers Trace / River Ranch Dr. (30.17073, -92.03625)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 42.3339	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	This a part of a Neo Traditional Neighborhood and the related street system. Completed June 2001. Functional Class: Collector ICD estimated from Google Maps linework.
Guelph, ON Wellington County Canada	Summerfield Dr. / Colonial Dr. (43.51809, -80.18253)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.4466	Other (At-Grade) Single-Lane	2001	Located in Pine Ridge East residenital subdivision Functional Class: Collector ICD estimated from Google Maps linework.
North Haven, NY Suffolk Co. United States	Tyndall Road / Rte. 114 (Ferry Rd.) (41.01303, -72.31309)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.2334	Other (At-Grade) Single-Lane	2001	Replaced a dangerous 2-way stop. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Gig Harbor, WA Pierce Co. United States	Borgen Blvd. / SR 16 NB Ramps / Burnham Dr. (47.35843, -122.61260)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways 47.7339	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2001	Oval shaped central island. 6 legged configuration includes a on-ramp (outbound)leg. Central island is used as a roadway storm detention pond. Completed Summer/Fall 2001. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Moses Lake, WA Grant Co. United States	Yonezawa Blvd. / Clover Dr. / Kittleson Rd. (47.10387, -119.25730)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.8990	Other (At-Grade) Single-Lane	2001	Part of series of 3 roundabouts. Functional Class: Collector ICD estimated from Google Maps linework.
Moses Lake, WA Grant Co. United States	Yonezawa Blvd. / Leanne Ave. (47.10454, -119.27060)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.4597	Other (At-Grade) Single-Lane	2001	Completed fall 2001. Part of series of 3 roundabouts. Functional Class: Collector ICD estimated from Google Maps linework.
Draper, UT Salt Lake Co. United States	300 East / 12200 South (40.52863, -111.88180)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.2193	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Draper, UT Salt Lake Co. United States	1300 E / Pioneer Rd. (40.52518, -111.85340)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2210	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2001	ICD estimated from Google Maps linework. Constructed as single-lane in 2001. Updated to 2x1 in 2023. https://www.draperjournal.com/2023/09/07/464782/roundabout-reopens-early-with-revised-traffic-pattern
Provo, UT Utah Co. United States	3700 North / 300 West (40.28282, -111.66310)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.2444	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	1375 West / 820 North (40.24470, -111.68280)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 28.2603	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	Tabernacle Rd. / Main St. (37.10812, -113.58350)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.8119	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Rosemont, MD Frederick Co. United States	MD 17 / MD 180 (39.33768, -77.63950)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 30.4828	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Scaggsville, MD Howard Co. United States	MD 216 / US 29 SB Ramps (39.14562, -76.90418)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.7228	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2001	Series of 4 roundabouts. ICD estimated from Google Maps linework.
Scaggsville, MD Howard Co. United States	MD 216 / US 29 NB Ramps / Ice Crystal Dr. (39.14476, -76.89799)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.7234	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2001	Series of 4 roundabouts. ICD estimated from Google Maps linework.
Oak Grove, MD Prince Georges Co. United States	MD 193 (Watkins Park Dr.) / Oak Grove Rd. (38.87737, -76.78108)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1207	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Temple Hills, MD Prince Georges Co. United States	MD 637 (Naylor Rd.) / Good Hope Ave. (38.84922, -76.95655)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.6248	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Temple Hills, MD Prince Georges Co. United States	MD 637 (Naylor Rd.) / Oxon Run Dr. (38.84986, -76.95789)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.4150	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Kennewick, WA Benton Co. United States	Columbia Park Drive #1 (46.22221, -119.15110)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.8367	Other (At-Grade) Single-Lane	2001	Completed February 2001. Functional Class: Local ICD estimated from Google Maps linework.
Kennewick, WA Benton Co. United States	Columbia Park Drive #2 (46.22223, -119.14630)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.5366	Other (At-Grade) Single-Lane	2001	Completed February 2001 Functional Class: Local ICD estimated from Google Maps linework.
Erwin, NY Steuben Co. United States	Robert Dann Dr. / Science Center Rd. (42.15936, -77.11082)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2001	Add-lane right-turn bypass lane on west leg.
Eagle, CO Eagle Co. United States	Eby Creek Rd. / US 6 (39.65630, -106.82500)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 40.4579	Other (At-Grade) Single-Lane	2001	Opened July 2001. Highway ref pt. 6-49.67. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Sammamish, WA King Co. United States	NE Inglewood Hill / 216th Ave. NE (47.61554, -122.05180)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.3989	Other (At-Grade) Single-Lane	2001	October 2001. ICD estimated from Google Maps linework.
Kennewick, WA Benton Co. United States	12th Ave. / Irving St. (46.19768, -119.19670)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.9874	Other (At-Grade) Single-Lane	2001	Functional Class: Collector ICD estimated from Google Maps linework.
Kent, WA King Co. United States	S. 216th St. / 42nd Ave. S / 40th Pl. S (47.40843, -122.28120)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 23.4402	Other (At-Grade) Single-Lane	2001	Opened July 2001. ICD estimated from Google Maps linework.