Roundabouts Database Index

28859 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	Comments
Bergschenhoek, South Holland Lansingerland Netherlands	N472 / Zuiderparklaan (51.98323, 4.49177)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 49.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	Turbo roundabout.
Bergschenhoek, South Holland Lansingerland Netherlands	N472 / Randweg West (51.98712, 4.48400)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.1888	Other (At-Grade) Multilane (2 Lane, unspecified)	Turbo roundabout. ICD estimated from Google Maps linework.
Berkel en Rodenrijs, South Holland Lansingerland Netherlands	N472 / Raadhuisiaan / Berkelse Poort (51.98957, 4.47912)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.8318	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Berkel en Rodenrijs, South Holland Lansingerland Netherlands	N472 / Rodenrijseweg (51.99136, 4.47334)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.2697	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Berkel en Rodenrijs, South Holland Lansingerland Netherlands	N472 / Oudelandselaan (51.99311, 4.46526)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.7708	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Berkel en Rodenrijs, South Holland Lansingerland Netherlands	N472 / Oostmeerlaan (51.99585, 4.45651)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.2087	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Oklahoma City, OK Oklahoma Co. United States	Deep Wood Creek Blvd. / Hidden Creek Blvd. (35.59728, -97.61642)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 31.0766	Other (At-Grade) Single-Lane	Very small splitter islands on north and south legs, with pedestrian ramps only on one side. No yield signs. ICD estimated from Google Maps linework.
West Columbia, SC Lexington Co. United States	Columbia Circle (Lexington Dr. / Boston Ave.) (33.94995, -81.11397)	Rotary Existing	All-Way Yield None	3 Approaches 0 Driveways 90.1561	Other (At-Grade) Single-Lane	Painted splitter islands on two legs. ICD estimated from Google Maps linework.
Aiken, SC Aiken Co. United States	E Gate Dr. / Bedford Pl. SW / Spencer Dr. (33.50671, -81.71833)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 52.7804	Other (At-Grade) Single-Lane	No splitter islands on two legs. ICD estimated from Google Maps linework.
Chelsea, AL Shelby Co. United States	Chelsea Park Dr. / Chelsea Park Bend (33.34087, -86.58835)	Other Existing	Other None	3 Approaches 0 Driveways 37.9149	Other (At-Grade) Multilane (2 Lane, unspecified)	Circulatory roadway yields to eastbound entry. ICD estimated from Google Maps linework.
Mülheim an der Ruhr, North Rhine-Westphalia Mülheim an der Ruhr Germany	SalierStraße / (unknown) (51.42349, 6.85574)	Other Existing	Unknown None	3 Approaches 0 Driveways 26.8104	Other (At-Grade) Single-Lane	Parking along circulatory roadway. ICD estimated from Google Maps linework.
Mülheim an der Ruhr, North Rhine-Westphalia Mülheim an der Ruhr Germany	Hardenbergstraße / Hingbergstraße (51.43353, 6.92468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 14.8914	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Mülheim an der Ruhr, North Rhine-Westphalia Mülheim an der Ruhr Germany	Am Förderturm / Humboldtring (51.44148, 6.94859)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.0554	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Belize City, Belize Belize	Western Hwy. / Fabers Rd. / Chetumal St. (17.49991, -88.22232)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 17.0858	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Belize City, Belize Belize	Century Rd. / Central American Blvd. (17.49568, -88.19901)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.8677	Other (At-Grade) Multilane (2 Lane, unspecified)	ICD estimated from Google Maps linework.
Belize City, Belize Belize	Central American Blvd. / Mahogany St. (17.50022, -88.19887)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.0325	Other (At-Grade) Multilane (2 Lane, unspecified)	ICD estimated from Google Maps linework.
Belize City, Belize Belize	Central American Blvd. / Northern Hwy. / Princess Margaret Dr. / Freetown Rd. (17.50425, -88.19637)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 63.7854	Other (At-Grade) Multilane (2 Lane, unspecified)	ICD estimated from Google Maps linework.
Belize City, Belize Belize	Freetown Rd. / Saint Thomas St. (17.50430, -88.19507)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 28.4756	Other (At-Grade) Multilane (2 Lane, unspecified)	ICD estimated from Google Maps linework.
Belize City, Belize Belize	Marine Parade Blvd. / Craig St. (17.50031, -88.18373)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 28.4762	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Belize City, Belize Belize	Craig St. / Eve St. (17.49973, -88.18465)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.7811	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
George Town, Grand Cayman Cayman Islands	Huldah Ave. / Elgin Ave. / Thomas Russell Ave. (19.29081, -81.37373)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 57.4909	Other (At-Grade) Multilane (2 Lane, unspecified)	ICD estimated from Google Maps linework.
George Town, Grand Cayman Cayman Islands	N Sound Rd. / Godfrey Nixon Way / Esterly Tibbetts Hwy. (19.29935, -81.37189)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 80.0321	Other (At-Grade) Multilane (2 Lane, unspecified)	ICD estimated from Google Maps linework.
West Palm Beach, FL Palm Beach Co. United States	31st St. / S Terrace Dr. (26.74238, -80.06161)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 42.6633	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
West Palm Beach, FL Palm Beach Co. United States	30th St. / S Terrace Dr. (26.74098, -80.06165)	Traffic Calming Circle Existing	All-Way Stop Unknown	4 Approaches 0 Driveways 53.3297	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
West Palm Beach, FL Palm Beach Co. United States	30th St. / Greenwood Ave. (26.74092, -80.05948)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 0 Driveways 44.7970	Other (At-Grade) Single-Lane	Two-way yield. ICD estimated from Google Maps linework.
West Palm Beach, FL Palm Beach Co. United States	44th St. / N Terrace Dr. (26.75239, -80.06297)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 15.9973	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Toronto, ON Toronto Canada	Windermere Ave. / St Olaves Rd. / Coe Hill Dr. / Budgell Terr. (43.64157, -79.47476)	Other Existing	Other None	5 Approaches 1 Driveways 30.2505	Other (At-Grade) Single-Lane	One entry has a stop sign; another has no splitter island. ICD estimated from Google Maps linework.
Waghäusel, Baden-Württemberg Karlsruhe Germany	L555 / Hoeber-und-Mandelbaum-Straße (49.25009, 8.50219)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.6416	Other (At-Grade) Single-Lane	Gated oversized/overweight (OSOW) vehicle bypass through central island. ICD estimated from Google Maps linework.
Balzers, Oberland Liechtenstein	Gagoz / Schlossweg (47.06835, 9.49641)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.0990	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Brigantine, NJ Atlantic Co. United States	Brigantine Blvd. / Bayshore Ave. / 34th St. S / (unknown) / (parking lot) (39.39482, -74.38953)	Other Existing	Other None	7 Approaches 0 Driveways 28.6120	Other (At-Grade) Multilane (2 Lane, unspecified)	All entries except Brigantine Blvd controled by stop signs. ICD estimated from Google Maps linework.
Beckly, KY Jefferson Co. United States	Shelby Station Dr. / (unknown) (38.23829, -85.49049)	Other Existing	Other None	4 Approaches 0 Driveways 26.2662	Other (At-Grade) Single-Lane	No yield signs on major street. ICD estimated from Google Maps linework.
Issaquah, WA King Co. United States	19th Ave. NW / NW Gilman Blvd. (47.54571, -122.06644)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 21.7667	Other (At-Grade) Single-Lane	19th Ave legs have painted splitter islands. Completed 2008 or earlier (streetview). ICD estimated from Google Maps linework.
Norrtälje, Stockholm County Norrtälje Sweden	Rte 276 / E18 EB Ramps (59.74143, 18.68927)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 28.2858	Freeway Ramps (Grade-Separated) Single-Lane	ICD estimated from Google Maps linework.
Westerwood, NC Guilford Co. United States	E Lake Dr. / Garland Dr. (36.07915, -79.80705)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 26.0621	Other (At-Grade) Single-Lane	Painted splitter islands, lane changes to stay within circle. ICD estimated from Google Maps linework.
Tomball, TX Harris Co. United States	Invergarry Way. / Newcourt Blvd. (30.07099, -95.56441)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 80.7720	Other (At-Grade) Single-Lane	Very large diameter; operates as four T-intersections.
Richmond, BC Greater Vancouver Canada	Entertainment Blvd. / (parking lots) (49.13559, -123.06424)	Other Existing	Uncontrolled None	3 Approaches 3 Driveways 43.7592	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Richmond, BC Greater Vancouver Canada	Bayview St. / Easthope Ave. (49.12328, -123.17882)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 21.8850	Other (At-Grade) Single-Lane	No splitter islands. ICD estimated from Google Maps linework.
Tsawwassen, BC Greater Vancouver Canada	Crescent Dr. / Westminster Ave. (49.10197, -123.07218)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 24.0000	Other (At-Grade) Single-Lane	Little entry deflection. Year Completed unknown (before 2003).
Moncton, NB Westmorland Canada	Causeway Circle [Rte 15 / Rte 106 / Rte 114 / Salisbury Rd.] (46.07408, -64.81274)	Rotary Existing	All-Way Yield None	4 Approaches 1 Driveways 164.0507	Other (At-Grade) Multilane (2 Lane, unspecified)	Railway crosses over bridges. ICD estimated from Google Maps linework.
Saint Paul, MN Ramsey Co. United States	Laurel Ave. / St Alban's St. (44.94493, -93.12880)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 43.1118	Other (At-Grade) Single-Lane	Park in central island. ICD estimated from Google Maps linework.
North Shore, HI Honolulu Co. United States	Kamehameha Hwy / Hwy 82 / Hwy 930 (21.57568, -158.10573)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 157.7116	Other (At-Grade) Multilane (2 Lane, unspecified)	ICD estimated from Google Maps linework.
North Shore, HI Honolulu Co. United States	Hwy 930 (Farrington Hwy.) / Goodale Ave. (21.56644, -158.12253)	Rotary Existing	Other Unknown	3 Approaches 0 Driveways 62.2001	Other (At-Grade) Single-Lane	Yielding on circulatory roadway. ICD estimated from Google Maps linework.
Kealakekua, HI Hawaii Co. United States	Halekii St. / Muli St. (19.51673, -155.92736)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 18.0113	Other (At-Grade) Single-lane w/ Traversable Central Island	Stop control on side street. ICD estimated from Google Maps linework.
Kealakekua, HI Hawaii Co. United States	Halekii St. / Mamao St. (19.51783, -155.92400)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 22.5140	Other (At-Grade) Single-lane w/ Traversable Central Island	Stop control on side street. ICD estimated from Google Maps linework.
Honningsvåg, Finnmark Nordkapp Norway	Nordkappgata / Holmen / Storgata (70.98206, 25.97053)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 14.0108	Other (At-Grade) Single-lane w/ Traversable Central Island	Believed to be the northernmost roundabout in the world. ICD estimated from Google Maps linework.
Cornwall, ON Stormont, Dundas and Glengarry Canada	Brookdale Ave. / 7th St. W (45.02273, -74.74777)	Rotary Existing	Other None	4 Approaches 0 Driveways 139.2902	Other (At-Grade) Multilane (2 Lane, unspecified)	Yield signs within circulatory roadway at Brookdale approaches. ICD estimated from Google Maps linework.
St Albans, VT Franklin Co. United States	Industrial Park Rd. / Benoit Dr. (44.80056, -73.09987)	Other Existing	All-Way Yield None	4 Approaches 1 Driveways 86.4401	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Parkville, MO Platte Co. United States	National Dr. / Ridge Rd. (39.21333, -94.70781)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 49.9696	Other (At-Grade) Single-Lane	Functional Class: Local ICD estimated from Google Maps linework.
Fruita, CO Mesa Co. United States	Aspen Ave. / Mesa St. (Park Square) (39.15884, -108.73360)	Other Existing	Unknown Unknown	0 Approaches 0 Driveways 77.7908	Other (At-Grade) Unknown	Completed 1940? ICD estimated from Google Maps linework.
Somerville, NJ Somerset Co. United States	US 206 / US 202 Ramps / NJ 28 / West End Ave. (40.57572, -74.62894)	Rotary Existing	Other Unknown	5 Approaches 0 Driveways 144.7800	Other (At-Grade) Multilane (3+ Lane)	Circulating traffic yields (stops) for entering traffic on northeast leg. ICD = 475 ft x 350 ft.
East Lansing, MI Ingham Co. United States	Bogue St. / Wilson Rd. (42.72326, -84.47186)	Other Removed	Unknown Unknown	4 Approaches 0 Driveways 36.8508	Other (At-Grade) Unknown	ICD estimated from Google Maps linework.
East Lansing, MI Ingham Co. United States	Wilson Rd. / Red Cedar Rd. (42.72324, -84.48238)	Other Removed	Unknown Unknown	4 Approaches 0 Driveways 23.6898	Other (At-Grade) Unknown	ICD estimated from Google Maps linework.
Belmar, NJ Monmouth Co. United States	10th Ave. / B St. (40.17772, -74.01782)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Belmar, NJ Monmouth Co. United States	10th Ave. / D St. (40.17855, -74.02169)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Summit, NJ Union Co. United States	Union Pl. / Beechwood Rd. (40.71691, -74.35757)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 19.0099	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Maplewood, NJ Essex Co. United States	Midland Blvd. / Highland Ave. (40.73043, -74.25748)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 83.2644	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Maplewood, NJ Essex Co. United States	Midland Blvd. / Norfolk Ave. (40.73111, -74.25972)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 16.2907	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Hyannis, MA Barnstable Co. United States	Iyannough Rd. / Barnstable Rd. / Falmouth Rd. (41.66512, -70.28732)	Rotary Existing	Unknown Unknown	0 Approaches 0 Driveways 87.4371	Other (At-Grade) Unknown	ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Silverwood Dr. / Centennial Rd. (40.54545, -105.05120)	Traffic Calming Circle Removed	All-Way Yield None	4 Approaches 0 Driveways 31.7646	Other (At-Grade) Single-Lane	Small almost mini-roundabout used for traffic calming measure. People drove through plastic posts, rendering roundabout useless; idea scrapped in less than 6 mo. Functional Class: Collector ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Mt. Vernon Ct. / New Bedford Dr. / Ticonderoga Dr. (40.53008, -105.05420)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 25.4175	Other (At-Grade) Single-Lane	Small almost mini roundabout, not very functional. Has small central island and no splitter islands only haching and road markings. Functional Class: Collector ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Tierra Ln. / Saddle Ridge Condominiums (40.57545, -105.13140)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 28.1217	Other (At-Grade) Single-Lane	Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Oval Dr. (Howes St. / Plum St. / Isotope Dr. / East Dr. / Music Dr.) (40.57639, -105.08070)	Other Existing	Unknown Unknown	6 Approaches 0 Driveways 19.0499	Other (At-Grade) Single-Lane	Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	College Ave. / Laporte Ave. (40.58899, -105.07720)	Other Removed	Unknown Unknown	4 Approaches 0 Driveways 26.3021	Other (At-Grade) Multilane (2 Lane, unspecified)	Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Beech Ave. / 1st St. (38.79048, -104.84660)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 42.8219	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Stanton Creek Dr. / St. Thomas Dr. (40.49066, -105.05590)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 24.5241	Other (At-Grade) Single-Lane	Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Stanton Creek Dr. / Tortola Way (40.48999, -105.05430)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 25.4327	Other (At-Grade) Single-Lane	Functional Class: Local ICD estimated from Google Maps linework.
Pleasanton, CA Alameda Co. United States	Watermill Rd. / Albion Rd. (37.76511, -121.90780)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 34.9336	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Pleasanton, CA Alameda Co. United States	Watermill Rd. / Harcourt Way (37.75982, -121.90820)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 34.9361	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Pleasanton, CA Alameda Co. United States	Watermill Rd. / Watermill Rd. (37.75548, -121.90970)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 31.1610	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
London, ON Middlesex County Canada	Lambton Dr. / Oxford Dr. (43.00616, -81.27515)	Traffic Calming Circle Existing	Unknown Unknown	5 Approaches 0 Driveways 38.4291	Other (At-Grade) Single-Lane	Constructed sometime in the 1970s. Functional Class: Local ICD estimated from Google Maps linework.
Seward, NE Seward Co. United States	7th St. / 6th Ave. / 8th Ave. (40.91742, -97.10029)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 37.9050	Other (At-Grade) Single-Lane	Functional Class: Local ICD estimated from Google Maps linework.
Brookfield, IL Cook Co. United States	Grand Blvd. / Washington St. (41.82755, -87.85150)	Other Existing	Unknown Unknown	8 Approaches 0 Driveways 41.8281	Other (At-Grade) Single-Lane	I am a chauffuer in the Chicago area and I use this roundabout frequently when traveling from the West Suburbs to Midway Airport. Only real traffic is on Grand Blvd at this intersection but it is in a downtown shopping district in Brookfield (13 mi WSW of Functional Class: Local ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Arapahoe Ave. / 4th St. (40.01294, -105.29160)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Boulder, CO Boulder Co. United States	Arapahoe Ave. / 5th St. (40.01295, -105.28920)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Boulder, CO Boulder Co. United States	Balsam Ave. / 14th St. (40.02675, -105.27840)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 16.4619	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Balsam Ave. / 15th St. (40.02675, -105.27660)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 8.2310	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Evergreen Ave. / 9th St. (40.03106, -105.28560)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 16.4609	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Kings Ridge Blvd. / Edison Ave. (40.03098, -105.23950)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 23.7768	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Kings Ridge Blvd. / Franklin Dr. (40.03237, -105.23960)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4342	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Maxwell Ave. / 6th St. (40.02176, -105.28860)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 12.8046	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Pearl St. / 4th St. (40.01571, -105.29050)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 20.1234	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Pearl St. / Mid-Block (40.01501, -105.29390)	Traffic Calming Circle Existing	Unknown None	2 Approaches 0 Driveways 16.4647	Other (At-Grade) Single-Lane	Facilitates U-turns at west end of Pearl Street ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Pine St. / 15th St. (40.02072, -105.27670)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 16.4634	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Pine St. / 17th St. (40.02126, -105.27410)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 10.9755	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Littleton, CO Arapahoe Co. United States	Franklin St. / Cherryville Rd. (39.61832, -104.96920)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 8.2800	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Littleton, CO Arapahoe Co. United States	Elati St. / Arapahoe Rd. (39.59515, -104.99770)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 11.0437	Other (At-Grade) Single-Lane	Functional Class: Collector ICD estimated from Google Maps linework.
Littleton, CO Arapahoe Co. United States	Elati St. / Briarwood St. (39.59236, -104.99770)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 5.5221	Other (At-Grade) Single-Lane	Functional Class: Collector ICD estimated from Google Maps linework.
Nashville, TN Davidson Co. United States	Demonbreun St. / 16th Ave. / Division St. / Music Square E. (36.15210, -86.79163)	Other Existing	Unknown Unknown	0 Approaches 0 Driveways 54.0044	Other (At-Grade) Unknown	ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	550 West / 1950 North (40.26043, -111.66600)	Other Existing	Unknown Unknown	5 Approaches 0 Driveways 21.8738	Other (At-Grade) Single-Lane	Within parking lot; not fully developed as roundabout. Functional Class: Local ICD estimated from Google Maps linework.
Dumont / Cresskill, NJ Bergen Co. United States	Madison Ave. / Knickerbocker Rd. (Monument) (40.94127, -73.97681)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 74.8804	Other (At-Grade) Single-Lane	Completed May 30, 1924. Nearest traffic count was conducted on Knickerbocker Road (County Route 505) about 0.5 km from the intersection. http://tcs.state.nj.us/tmsweb/Report/h2d5c913_99_hrvolume.pdf Functional Class: Local ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	18th Ave. E. / E. Spring St. (47.61154, -122.30890)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 8.0516	Other (At-Grade) Unknown	ICD estimated from Google Maps linework.
Westfield, NJ Union Co. United States	NJ 28 / E. Broad St. (Westfield Circle) (40.64849, -74.35027)	Rotary Existing	Unknown Unknown	3 Approaches 0 Driveways 42.5896	Other (At-Grade) Multilane (2 Lane, unspecified)	Functional Class: Arterial ICD estimated from Google Maps linework.
Quebec, QC Capitale-Nationale Region Canada	Rue de la Rive-Boisee N / Rue du Baumier (46.83577, -71.32956)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	No splitter islands. ICD estimated from Google Maps linework.
Tulsa, OK Tulsa Co. United States	E. Admiral Pl. / Mingo Rd. (36.16057, -95.86876)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 114.7468	Other (At-Grade) Single-Lane	Functional Class: Arterial ICD estimated from Google Maps linework.
Gordonsville, VA Orange Co. United States	James Madison Hwy / N. Main St. / Spotswood Trl. (38.14261, -78.18947)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 31.9366	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Phoenix, AZ Maricopa Co. United States	Aviano Way / (unknown) (33.68941, -111.99350)	Rotary Existing	All-Way Yield None	0 Approaches 0 Driveways 79.4999	Other (At-Grade) Single-Lane	Mini-roundabout. Completed 2005. ICD estimated from Google Maps linework.
Orange, CA Orange Co. United States	Chapman Ave. / Glassell St. (33.78788, -117.85310)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 70.4752	Other (At-Grade) Single-Lane	Old school traffic circle, pedestrian park in the middle, cars park along the sides. ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E. Via Linda / E. San Pablo Dr. (33.56833, -111.89350)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 49.7573	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E. Via Linda / N. 87th St. (33.56715, -111.89500)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 69.6612	Other (At-Grade) Single-Lane	ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E. Via Linda / E. San Rafael Dr. (33.56711, -111.89565)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 18.2880	Other (At-Grade) Single-Lane	ICD estimated from Google Earth.