Roundabouts Database

29411 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
Portland, OR
Multnomah Co.
United States 		SE 30th Ave. / SE Gladstone St.
(45.49337, -122.63466) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
32.6514 		Other (At-Grade)
Single-Lane 		1996 Completed 10/17/1996. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 34th Ave. / SE Gladstone St.
(45.49335, -122.62978) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
61.9539 		Other (At-Grade)
Single-Lane 		1996 Completed 10/17/1996. ICD estimated from Google Maps linework.
Kettering, OH
Montgomery Co.
United States 		Forrer Blvd. / Madison St.
(39.71565, -84.14854) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.4476 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1996 ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		700 East / Center St.
(40.23369, -111.64660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.9119 		Other (At-Grade)
Single-Lane 		1996 ICD estimated from Google Maps linework.
Draper, UT
Salt Lake Co.
United States 		Vestry Rd. / Rocky Mouth Ln.
(40.48996, -111.87390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.2236 		Other (At-Grade)
Single-Lane 		1996 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Seven Lakes Dr. / Horseshoe Dr.
(40.42844, -105.05100) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
20.0011 		Other (At-Grade)
Single-Lane 		1996 Functional Class: Local ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Business Loop 70 / I-70 WB Ramps / Creasy Springs Rd.
(38.96655, -92.35241) 		Roundabout
Removed 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
94.7178 		Freeway Ramps (Grade-Separated)
Single-Lane 		1996 First roundabout in Missouri by Missouri DOT. Originally built in 1996 per article: https://www.voxmagazine.com/news/all-about-roundabouts-in-columbia/article_93724b2b-8b20-5228-b4de-315c5c3d2004.html. Replaced with roundabout to immediate west. ICD estimated from Google Maps linework.
Orem, UT
Utah Co.
United States 		S 800 W / College Dr. / Sandhill Rd. (UVSC South Entrance)
(40.27592, -111.71290) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.4480 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1996 ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Tollgate Rd. / Marketplace Dr.
(39.52092, -76.35262) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.5602 		Other (At-Grade)
Single-Lane 		1996 Three leg, off-set roundabout - off-set due to lack of r/w on top side of Functional Class: Collector ICD estimated from Google Maps linework.
Tampa, FL
Hillsborough Co.
United States 		North Blvd. / Country Club Dr.
(28.05466, -82.46759) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
14.7559 		Other (At-Grade)
Single-Lane 		1996 Completed June 1996. ICD estimated from Google Maps linework.
Olmos Park, TX
Bexar Co.
United States 		Olmos Dr. / El Prado Dr. / McCullough Ave.
(29.47094, -98.49162) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
32.0037 		Other (At-Grade)
Single-Lane 		1996 Completed July 1996.
Naples, FL
Collier Co.
United States 		8th St. S / 12th Ave. S
(26.13267, -81.79491) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2281 		Other (At-Grade)
Single-Lane 		1996 Installed for community enhancement. ICD estimated from Google Maps linework.
Tavares, FL
Lake Co.
United States 		Main St. / Disston Ave. / Lake Dora Dr.
(28.80215, -81.72475) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
20.9315 		Other (At-Grade)
Single-Lane 		1996 Railroad tracks running along edge of central island. RR unprotected, train frequency 1-2/wk, 10 mph. ICD estimated from Google Maps linework.
Taneytown, MD
Carroll Co.
United States 		MD 140 / MD 832 / Antrim Blvd.
(39.64809, -77.15468) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		1996 Completed August 1996. Curbs set for double lane, striped for single outer circulating lane.
Hilton Head, SC
Beaufort Co.
United States 		Whooping Crane Way / Main St.
(32.21647, -80.72187) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.4598 		Other (At-Grade)
Single-Lane 		1996 Completed February 1996. ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States 		7th St. N. / 11th Ave. N.
(26.15712, -81.79420) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.7160 		Other (At-Grade)
Single-Lane 		1996 Installed for traffic calming. Painted splitter islands. Detailed traffic volume, speed data available. ICD estimated from Google Earth.
Naples, FL
Collier Co.
United States 		7th St. N. / 12th Ave. N.
(26.15734, -81.79282) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.7160 		Other (At-Grade)
Single-Lane 		1996 Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Earth.
North Augusta, SC
Aiken Co.
United States 		Riverside Blvd. / E Shoreline Dr. / Railroad Ave. / Landing Dr.
(33.48467, -81.97233) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.8288 		Other (At-Grade)
Single-Lane 		1996 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Muskegon, MI
Muskegon Co.
United States 		Terrace Point Rd. / (parking lot access)
(43.24145, -86.25485) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.5812 		Other (At-Grade)
Single-Lane 		1996 Year Completed unknown (before 1997). ICD estimated from Google Maps linework.
Fort Worth, TX
Tarrant Co.
United States 		W Morningside Dr. / S Main St.
(32.71422, -97.32667) 		Rotary
Existing 		Other
Unknown 		3 Approaches
1 Driveways
56.3870 		Other (At-Grade)
Single-Lane 		1995 Traffic in circle yields to incoming traffic.
Columbia, MO
Boone Co.
United States 		Grant Ln. / Trailside Dr. / Post Oak Dr.
(38.92438, -92.39510) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
16.7249 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		1995 Year Completed estimated (1994-1995). ICD estimated from Google Maps linework.
Montpelier, VT
Washington Co.
United States 		Keck Circle (Main St. / Spring St.)
(44.26283, -72.57178) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.6594 		Other (At-Grade)
Single-Lane 		1995 Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework.
Vail, CO
Eagle Co.
United States 		Vail Rd. / I-70 WB Ramps / North Frontage Rd. / Spraddle Cr. Rd.
(39.64477, -106.37770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1995 Raindrop-shaped central island.
Vail, CO
Eagle Co.
United States 		Vail Rd. / I-70 EB Ramps / South Frontage Rd.
(39.64355, -106.37810) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
59.4360 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		1995 Completed October 1995. Circular central island.
Lothian, MD
Anne Arundel Co.
United States 		MD 2 / MD 408 / MD 422
(38.82973, -76.61590) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.8423 		Other (At-Grade)
Single-Lane 		1995 Completed October 1995. ICD estimated from Google Maps linework.
Elkton, MD
Cecil Co.
United States 		MD 213 (Fair Hill Rd.) / Leeds Rd. / Elk Mill Rd. (Lanzi Circle)
(39.66364, -75.85529) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.0178 		Other (At-Grade)
Single-Lane 		1995 Previously controlled by two-way stop. Functional Class: Arterial ICD estimated from Google Maps linework.
Cearfoss, MD
Washington Co.
United States 		MD 63 / MD 58 / MD 494 (Cearfoss Pike)
(39.70017, -77.77593) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		1995 Completed December 1995.
Nederland, CO
Boulder Co.
United States 		SH 72 / SH 119 / 2nd St. / Bridge St.
(39.96261, -105.51030) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
23.8006 		Other (At-Grade)
Single-Lane 		1995 Opened June 1995. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States 		Vista Run Dr. / Park Vista Dr.
(36.17820, -115.34610) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.2741 		Other (At-Grade)
Single-Lane 		1995 Year completed estimated (1990-1999) ICD estimated from Google Maps linework.
Tampa (Ybor City), FL
Hillsborough Co.
United States 		Channelside Dr. / Cumberland Ave.
(27.94497, -82.44576) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1995 Right-turn-only lane on north leg.
Las Vegas (Summerlin), NV
Clark Co.
United States 		Town Center Dr. / Canyon Run Dr. / Banburry Cross Dr.
(36.18080, -115.31370) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1995 Completed March 1995. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. 21442
Fort Wayne, IN
Allen Co.
United States 		Adams Center Rd. / Marion Center Rd. / Maples Rd. / Wayne Terrace
(41.00440, -85.05704) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Single-Lane 		1995 Painted splitter islands. Year Completed estimated (before 1998).
Tampa, FL
Hillsborough Co.
United States 		E. 4th Ave. / Channelside Dr.
(27.95773, -82.44586) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.8131 		Other (At-Grade)
Single-Lane 		1995 No deflection on one approach. ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Seven Lakes Dr. / Madison Ave.
(40.42698, -105.05790) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
18.1832 		Other (At-Grade)
Single-Lane 		1995 Functional Class: Local ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Lake Ave. / Lake Cir.
(38.79144, -104.84880) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.2724 		Other (At-Grade)
Single-Lane 		1995 Year Completed estimated (before 1999). ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Glen Isle Dr. / Glendale Dr.
(40.43433, -105.11460) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		1995 No splitter islands on side street.
Colorado Springs, CO
El Paso Co.
United States 		Windjammer Dr. / Brigantine Dr.
(38.95401, -104.77020) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
32.5070 		Other (At-Grade)
Single-Lane 		1995 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Lake Ave. / Berthie Cir.
(38.79348, -104.83950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.7557 		Other (At-Grade)
Single-Lane 		1995 Year Completed unknown (before 1999). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Lake Ave. / Old Broadmoor Rd.
(38.79479, -104.83360) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.3405 		Other (At-Grade)
Single-Lane 		1995 Year Completed unknown (before 1999). 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.
Brooklyn Park, MN
Hennepin Co.
United States 		Seltzer Pkwy. / Neddersen Pkwy. / Founders Pkwy.
(45.11604, -93.36655) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.4547 		Other (At-Grade)
Single-Lane 		1995 Will be a 4th leg in future (Tessman Pkwy.). Functional Class: Collector ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Tacanecy Dr. / Marcy Dr.
(40.39230, -105.12140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.1082 		Other (At-Grade)
Single-Lane 		1995 ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Constant Friendship Blvd. / BJ's
(39.45546, -76.31870) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
29.5092 		Other (At-Grade)
Single-Lane 		1995 Functional Class: Local ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		X St. / 48th St.
(38.55347, -121.45030) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
42.0299 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1995 ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
United States 		Capitol Way N / Market St. NE / Corky Ave. NW / (parking)
(47.05005, -122.90244) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		1995 Painted splitter islands. June 1995.
Orlando, FL
Orange Co.
United States 		Rockafellow Way / Sandhill Crane Run / Bristlecone Cir.
(28.53464, -81.18835) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
70.2999 		Other (At-Grade)
Single-Lane 		1995 Painted splitter islands. ICD estimated from Google Maps linework.
Orlando, FL
Orange Co.
United States 		Downpatrick Blvd. / Waterhouse Way
(28.53408, -81.18299) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
65.0539 		Other (At-Grade)
Single-Lane 		1995 No splitter islands on three legs. ICD estimated from Google Maps linework.
Raleigh, NC
Wake Co.
United States 		(unknown) / (unknown)
(35.84745, -78.58304) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
50.3411 		Other (At-Grade)
Single-Lane 		1995 Pedestrian access to central island. Year Completed estimated (1993-1998). ICD estimated from Google Maps linework.
Denton, TX
Denton Co.
United States 		Clubhouse Circle [Tanglewood Ln. / Waterview Ln. / Leaning Tree Ln. / Knollwood Ln.]
(33.16024, -97.10418) 		Other
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
94.4880 		Other (At-Grade)
Single-Lane 		1995 Clubhouse, pool, and tennis court in central island.
Lewisville, TX
Denton Co.
United States 		Uecker Ln. / (parking)
(33.00150, -96.98395) 		Other
Existing 		Uncontrolled
None 		1 Approaches
3 Driveways
91.4400 		Other (At-Grade)
Single-Lane 		1995 Building in central island, parking along circulatory roadway.
Trophy Club, TX
Denton Co.
United States 		Troon Dr. / Muirfield Ct. / Troon Ct.
(32.99308, -97.18159) 		Other
Existing 		Uncontrolled
None 		3 Approaches
0 Driveways
27.4317 		Other (At-Grade)
Single-Lane 		1995 No splitter islands.
McAllen, TX
Hidalgo Co.
United States 		Capistrano Dr. / San Nicholas St.
(26.23926, -98.27941) 		Other
Existing 		All-Way Stop
None 		4 Approaches
1 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		1995 Parking along circulatory roadway.
Saguenay, QC
Le Saguenay-et-son-Fjord
Canada 		Rue des Mouettes / Rue des Alouettes
(48.39737, -71.26184) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.0000 		Other (At-Grade)
Single-Lane 		1995 Year Completed estimated (before 2005).
Eagle Mountain, UT
Utah Co.
United States 		E Eagle Mountain Blvd. / N Sweetwater Rd.
(40.30679, -112.01476) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Single-Lane 		1995 Year Completed estimated (1993-1997).
Dallas, TX
Dallas Co.
United States 		Snider Plaza / Milton Ave.
(32.84849, -96.78790) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		1995
Gaithersburg, MD
Montgomery Co.
United States 		Kentlands Blvd. / Main St.
(39.12333, -77.23855) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		1994 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States 		Kentlands Blvd. / Market St.
(39.12309, -77.23489) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		1994 Year Completed estimated (1993-2002).
Loveland, CO
Larimer Co.
United States 		Rocky Mountain Ave. / Foxtrail Dr.
(40.40924, -105.00230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.9231 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1994 Entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Rocky Mountain Ave. / McWhinney Blvd.
(40.41059, -105.00230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.6504 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1994 Adjacent to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework.
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.
Fort Walton Beach, FL
Okaloosa Co.
United States 		Hollywood Blvd. / Doolittle Blvd.
(30.41364, -86.66468) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.8704 		Other (At-Grade)
Single-Lane 		1994
Tallahassee, FL
Leon Co.
United States 		Killarney Way / Shamrock Dr.
(30.51361, -84.22315) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.7810 		Other (At-Grade)
Single-Lane 		1994 Completed August 1994. ICD estimated from Google Maps linework.
Bradenton Beach, FL
Manatee Co.
United States 		SR 789 / Bridge St.
(27.46500, -82.69847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
14.8361 		Other (At-Grade)
Single-Lane 		1994 Completed August 1994. ICD estimated from Google Maps linework.
Las Vegas, NV
Clark Co.
United States 		Lake South / Crystal Water Way
(36.13289, -115.29050) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.0796 		Other (At-Grade)
Single-Lane 		1994 Completed August 1994. Functional Class: Collector ICD estimated from Google Maps linework.
(unincorporated), FL
Palm Beach Co.
United States 		Lakes at Boca Raton / Cain Blvd.
(26.39603, -80.21160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3962 		Other (At-Grade)
Single-Lane 		1994 Completed November 1994. ICD estimated from Google Maps linework.
Rochester Hills, MI
Oakland Co.
United States 		Firewood Dr. / Raintree Dr.
(42.68744, -83.20810) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.8488 		Other (At-Grade)
Single-Lane 		1994 ICD estimated from Google Maps linework.
Rochester Hills, MI
Oakland Co.
United States 		Coachwood Ln. / Falcon Dr.
(42.69232, -83.20846) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.5795 		Other (At-Grade)
Single-Lane 		1994 ICD estimated from Google Maps linework.
Lisbon, MD
Howard Co.
United States 		MD 94 / MD 144
(39.33700, -77.07360) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		1993 First roundabout in Maryland. Built initially as temporary, made permanent after one month.
Long Beach, CA
Los Angeles Co.
United States 		Los Alamitos Circle (Hwy. 1 / Lakewood Blvd. / Los Coyotes Diagonal)
(33.78989, -118.14250) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
137.1597 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1993 Traffic circle conversion. Modified in 2020 to reduce lanes. 21442
Portland, OR
Multnomah Co.
United States 		SE Ladd Ave. / SE Palm St.
(45.51025, -122.65144) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
40.1743 		Other (At-Grade)
Single-Lane 		1993 Completed 11/8/1993. ICD estimated from Google Maps linework.
Arlington, TX
Tarrant Co.
United States 		Road to Six Flags St. / Nolan Ryan Expressway
(32.75547, -97.08702) 		Other
Existing 		All-Way Yield
None 		2 Approaches
2 Driveways
106.6800 		Other (At-Grade)
Multilane (3+ Lane) 		1993 Located northwest of Rangers Stadium Ballpark.
Portland, OR
Multnomah Co.
United States 		SE 36th Ave. / SE Bybee Blvd.
(45.47241, -122.62621) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
56.9518 		Other (At-Grade)
Single-Lane 		1992 Completed 10/6/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE Bybee Blvd. / (SE 37th Ave.)
(45.47243, -122.62440) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		2 Approaches
0 Driveways
20.1003 		Other (At-Grade)
Single-Lane 		1992 Completed 10/6/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 34th Ave. / SE Bybee Blvd.
(45.47319, -122.62826) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
81.2389 		Other (At-Grade)
Single-Lane 		1992 Completed 9/30/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 7th Ave. / NE Cook St.
(45.54717, -122.65859) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
17.5647 		Other (At-Grade)
Single-Lane 		1992 Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 7th Ave. / NE Tillamook St. (W)
(45.53790, -122.65861) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
83.6552 		Other (At-Grade)
Single-Lane 		1992 Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 7th Ave. / NE Sacramento St.
(45.53955, -122.65862) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
121.2965 		Other (At-Grade)
Single-Lane 		1992 Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 7th Ave. / NE Russell St.
(45.54126, -122.65861) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
161.4450 		Other (At-Grade)
Single-Lane 		1992 Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 7th Ave. / NE Graham St.
(45.54296, -122.65859) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
161.4401 		Other (At-Grade)
Single-Lane 		1992 Completed 1/9/1992. ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SE 7th St. / SE 4th Ave.
(29.64824, -82.31792) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2880 		Other (At-Grade)
Single-Lane 		1992 Pedestrian crossings within circulatory roadway. Completed April 1992.
Santa Barbara, CA
Santa Barbara Co.
United States 		Alameda Padre Serra / Montecito St. / Salinas St. / Sycamore Canyon Rd.
(34.42903, -119.67720) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
1 Driveways
23.6427 		Other (At-Grade)
Single-Lane 		1992 Includes driveway into roundabout serving one home. ICD estimated from Google Maps linework.
Manistee, MI
Manistee Co.
United States 		Lakeshore Dr. / Monroe St. / Cottage Ln.
(44.25355, -86.33302) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
45.3388 		Other (At-Grade)
Single-Lane 		1992 Before 1993. No splitter islands on east leg. ICD estimated from Google Maps linework.
Lincoln, NE
Lancaster Co.
United States 		69th St. / Forest Lake Blvd.
(40.76293, -96.62640) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.5197 		Other (At-Grade)
Single-Lane 		1992 ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		E. Sharp Ave. / N. Columbus St.
(47.66950, -117.39490) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
22.5195 		Other (At-Grade)
Single-Lane 		1992 September 1992. ICD estimated from Google Maps linework.
Sierra Vista, AZ
Cochise Co.
United States 		Smith Ave. / Winrow Ave. / Cushing St.
(31.55504, -110.36013) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Single-Lane 		1992 On base of Fort Huachuca. No truck apron. Very little speed control on east leg. Year Completed estimated (1985-1992).
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.
Las Vegas (Summerlin), NV
Clark Co.
United States 		Village Center Dr. / Meadow Hills Dr.
(36.19350, -115.30070) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
59.4360 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		1991 Add-lane right-turn bypass lane on north leg.
El Paso, TX
El Paso Co.
United States 		Mall Dr. / North Dr.
(31.82550, -106.42372) 		Other
Existing 		Unknown
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		1991 Pedestrian access to central island; no splitter islands on two legs.
El Paso, TX
El Paso Co.
United States 		Lazy Willow Dr.
(31.82551, -106.58449) 		Other
Existing 		Uncontrolled
None 		2 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		1990 Entry feature to gated development.
Madison, CT
New Haven Co.
United States 		Hammonasset Connector / Hammonasset Point / Hammonasset State Park
(41.26244, -72.55477) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
91.4400 		Other (At-Grade)
Multilane (3+ Lane) 		1990
Las Vegas (Summerlin), NV
Clark Co.
United States 		Town Center Dr. / Hualapai Way
(36.17850, -115.31770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
70.1040 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1990 Completed March 1990. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. ICD estimated from Google Maps linework. 21442
Las Vegas (Summerlin), NV
Clark Co.
United States 		Town Center Dr. / Village Center Cir. / Library Hills Dr.
(36.18960, -115.30360) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
91.4400 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1990 Completed March 1990. Modified 2010 to reduce lane configuration. 21442
Portland, OR
Multnomah Co.
United States 		SE 32nd Ave. / SE Lincoln St.
(45.50825, -122.63270) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
12.5549 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 30th Ave. / SE Caruthers St.
(45.50550, -122.63470) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
78.6812 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 31st Ave. / SE Clinton St.
(45.50354, -122.63360) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
14.2301 		Other (At-Grade)
Single-Lane 		1990 Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 23rd Ave. / SE Clinton St.
(45.50339, -122.64260) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
31.8085 		Other (At-Grade)
Single-Lane 		1990 Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 37th Ave. / SE Lincoln St.
(45.50806, -122.62570) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
15.0659 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 43rd Ave. / SE Lincoln St.
(45.50799, -122.61810) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
22.5989 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 51st Ave. / SE Lincoln St.
(45.50803, -122.61000) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
15.0659 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. 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.