Roundabouts Database

28782 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
Cocoa, FL
Brevard Co.
United States 		Clubhouse Dr. / Auburn Lakes Dr.
(28.28344, -80.71081) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.0866 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Fort Pierce, FL
St. Lucie Co.
United States 		Avenue D / 15th St. N
(27.45274, -80.33948) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2002
Port Salerno, FL
Martin Co.
United States 		Old Dixie Hwy / SE Cove Rd.
(27.14054, -80.19015) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.6962 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Adjacent to railroad crossing. ICD estimated from Google Maps linework.
Port Salerno, FL
Martin Co.
United States 		Old Dixie Hwy / St. Lucie Blvd. / SE Manatee Ln.
(27.14908, -80.20197) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.8195 		Other (At-Grade)
Single-Lane 		2002 Long oval. ICD estimated from Google Maps linework.
Alexander City, AL
Tallapoosa Co.
United States 		Tallapoosa St
(32.94353, -85.95363) 		Roundabout
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
48.1099 		Other (At-Grade)
Single-Lane 		2002 Peanut-shaped roundabout. Year completed estimated (1997-2006). ICD estimated from Google Maps linework.
Cary, NC
Wake Co.
United States 		Cary Glen Blvd. / Waverly Hills Dr.
(35.81174, -78.91465) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.7728 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
West Fargo, ND
Cass Co.
United States 		9th St. W / 38th Ave. W
(46.82266, -96.91444) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
88.2608 		Other (At-Grade)
Single-Lane 		2002 Year completed estimated (1997-2003). ICD estimated from Google Maps linework.
Redding, CA
Shasta Co.
United States 		Madison River Dr. / Yellowstone Dr.
(40.54201, -122.31782) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (1999-2004).
Redding, CA
Shasta Co.
United States 		Yellowstone Dr. / Western Oak Dr.
(40.54391, -122.31766) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.3790 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Raleigh, NC
Wake Co.
United States 		Dunn Rd. / Falls River Ave. / All Points View Way
(35.92436, -78.57615) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.4564 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Raleigh, NC
Wake Co.
United States 		Wild Mountain Ln. / Lagrange Dr.
(35.88199, -78.72855) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.2242 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Raleigh, NC
Wake Co.
United States 		Silver View Ln. / Wind Mountain Ln,
(35.88202, -78.73134) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.1919 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Wake Forest, NC
Wake Co.
United States 		Shearon Farms Ave. / Clover Bank St.
(35.91264, -78.54571) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.2479 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Kernersville, NC
Forsyth Co.
United States 		Lambeth Farm Ln. / Lake Way
(36.11845, -80.08253) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.5559 		Other (At-Grade)
Single-Lane 		2002 No splitter islands. Year completed estimated (2002-2005) ICD estimated from Google Maps linework.
Winston-Salem, NC
Forsyth Co.
United States 		Waughtown St. / Fayetteville St. / Lomond St.
(36.07442, -80.23228) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.9943 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Mooresville, NC
Iredell Co.
United States 		Plantation Ridge Dr. / Singleton Rd.
(35.58837, -80.87576) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.0800 		Other (At-Grade)
Single-Lane 		2002 Year completed estimated (1994-2004). ICD estimated from Google Maps linework.
Chaska, MN
Carver Co.
United States 		Hundertmark Rd. / Clover Ridge Dr.
(44.81856, -93.63370) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.3460 		Other (At-Grade)
Single-Lane 		2002 Year completed estimated (1993-2003). ICD estimated from Google Maps linework.
Chaska, MN
Carver Co.
United States 		Clover Ridge Dr. / Clover Preserve Dr. / Walden Dr.
(44.81900, -93.63693) 		Roundabout
Existing 		Unknown
None 		4 Approaches
0 Driveways
28.8042 		Other (At-Grade)
Single-Lane 		2002 Year completed estimated (1993-2002). ICD estimated from Google Maps linework.
Idaho Falls, ID
Bonneville Co.
United States 		S Utah Ave. / Bridgeport Dr.
(43.48859, -112.04979) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.6574 		Other (At-Grade)
Single-Lane 		2002 Eagle Rock Fountain in center island. Roundabout was partially reconstructed with geometric improvements in 2014. Original construction was in 2002. ICD estimated from Google Maps linework.
Liberty Township, OH
Butler Co.
United States 		The Trails Blvd. / Kensington Trl. / Windsor Trl. / Cambridge Trl.
(39.39451, -84.34693) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
50.7634 		Other (At-Grade)
Single-Lane 		2002 Stop control; no splitter islands. ICD estimated from Google Maps linework.
Liberty Township, OH
Butler Co.
United States 		Berkshire Pl. / Amberly Ct. / Wiltshire Ct.
(39.39282, -84.34687) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
27.6898 		Other (At-Grade)
Single-Lane 		2002 Stop control and no splitter islands. ICD estimated from Google Maps linework.
West Chester Township, OH
Butler Co.
United States 		Hutzelman Way / Plum Tree Dr.
(39.35732, -84.46578) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.3977 		Other (At-Grade)
Single-Lane 		2002 Painted splitter islands. ICD estimated from Google Maps linework.
Boardman, OR
Morrow Co.
United States 		Tatone St. / City Center Dr.
(45.83253, -119.70259) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.2722 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Redding, CA
Shasta Co.
United States 		Madison River Dr. / Clark River Dr.
(40.54198, -122.31914) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (1999-2004).
Flower Mound, TX
Denton Co.
United States 		Lakeside Pkwy. / Lakeside Village Blvd.
(32.98574, -97.06503) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2002 .
Victoria, MN
Carver Co.
United States 		Watermark Pkwy. / Kelzer Pond Dr.
(44.85331, -93.67349) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
38.1005 		Unknown
Single-Lane 		2002 No splitter islands. ICD estimated from Google Maps linework.
Longmont, CO
Boulder Co.
United States 		Deerwood Dr. / Bluefield Ave.
(40.17346, -105.06460) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
26.4648 		Other (At-Grade)
Single-Lane 		2002 Functional Class: Local ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States 		Corona Rd. / Sonoma Mountain Pkwy.
(38.26890, -122.65450) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
31.8812 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		W Riverwood Blvd. / Windrow Blvd.
(33.41749, -112.26690) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.9252 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Escalon, CA
San Joaquin Co.
United States 		Riesling Way / California St.
(37.79671, -121.01110) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.8749 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Monroe, WA
Snohomish Co.
United States 		Country Crescent SE / County Crescent SE
(47.86547, -121.96140) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2002 July 2002.
Richland, WA
Benton Co.
United States 		Lee Blvd. / The Parkway
(46.27484, -119.27433) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9080 		Other (At-Grade)
Single-Lane 		2002 No splitter islands on north and south legs. Year Completed estimated (1996-2003).
North Providence, RI
Providence Co.
United States 		US 44 / Centerdale Bypass
(41.85703, -71.48295) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.2447 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Lincoln, NE
Lancaster Co.
United States 		S 33rd St. / Sheridan Blvd.
(40.78020, -96.67281) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.9836 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Viera, FL
Brevard Co.
United States 		Wickham Rd. / Lake Andrews Dr.
(28.22975, -80.72577) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.5091 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Functional Class: Arterial ICD estimated from Google Maps linework.
Newberg, OR
Yamhill Co.
United States 		Brutscher St. / Hayes St.
(45.30378, -122.94090) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.9211 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		Northborough Dr. / Heritage Park Ln. / Rose Arbor Dr.
(38.68221, -121.51550) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.3081 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Clive, IA
Dallas Co.
United States 		NW 156th St. / Boston Pkwy.
(41.62066, -93.83356) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.7487 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 ICD estimated from Google Maps linework.
Laurel, MS
Jones Co.
United States 		Central Ave. / Maple St.
(31.69108, -89.12855) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.4224 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Rome, NY
Oneida Co.
United States 		SR 825 / Ellsworth Rd.
(43.21731, -75.41796) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
55.7044 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Constructed in old air force base. ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		Indian Wells Dr. / Spruce St.
(38.88568, -94.85022) 		Roundabout
Removed 		All-Way Yield
None 		2 Approaches
0 Driveways
44.6239 		Other (At-Grade)
Single-Lane 		2002 Replaced in 2015 with new roundabout in location shifted slightly to west. ICD estimated from Google Maps linework.
Clearwater, FL
Pinellas Co.
United States 		Ridgewood St. / Richards Ave.
(27.97013, -82.76930) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
34.8091 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Clearwater, FL
Pinellas Co.
United States 		Ridgewood St. / Baker Ave.
(27.97012, -82.76842) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
48.5218 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Clearwater, FL
Pinellas Co.
United States 		Ridgewood St. / Casler Ave.
(27.97013, -82.76752) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2002
Clearwater, FL
Pinellas Co.
United States 		Richards Ave. / Baker Ave. / Casler Ave.
(27.96847, -82.76841) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2002
Oromocto, NB
Sunbury
Canada 		Restigouche Rd. / Miramichi Rd.
(45.83573, -66.48306) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
64.9046 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Santa Maria, CA
Santa Barbara Co.
United States 		S. Bradley Rd. / E. McCoy Ln.
(34.91219, -120.42160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.8868 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Brandon, MB
Westman Region
Canada 		34th St. / Willowdale Crescent
(49.83122, -99.98436) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.9788 		Other (At-Grade)
Single-Lane 		2002 Before 2004. ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States 		Colorado Ave. / S. 2nd St.
(39.06636, -108.56950) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
25.9643 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States 		G Rd. / 25th Rd.
(39.10636, -108.58940) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.5834 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Cirque Dr. W / Alameda Ave. W / 56th St. W
(47.20639, -122.51600) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
54.3624 		Other (At-Grade)
Single-Lane 		2002 Completed December 2002. ICD estimated from Google Maps linework.
Saint Leonard, MD
Calvert Co.
United States 		Calvert Beach Rd. / Saint Leonard Rd.
(38.47316, -76.50607) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.2461 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Annapolis Junction, MD
Anne Arundel Co.
United States 		Guilford Rd. / MD 32 WB Ramps
(39.12294, -76.78472) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.4293 		Freeway Ramps (Grade-Separated)
Single-Lane 		2002 Bypass lanes on all legs. ICD estimated from Google Maps linework.
Mulberry, NC
Wilkes Co.
United States 		Yellowbanks Rd. / Haymeadow Rd.
(36.26457, -81.14713) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2002 Spot safety site.
Arlington, WA
Snohomish Co.
United States 		W. Division St. / N. West Ave.
(48.19864, -122.12800) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.8628 		Other (At-Grade)
Single-Lane 		2002 September 2002. ICD estimated from Google Maps linework.
Arlington, WA
Snohomish Co.
United States 		E. Division St. / N. Broadway St.
(48.19858, -122.12530) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.8824 		Other (At-Grade)
Single-Lane 		2002 September 2002. ICD estimated from Google Maps linework.
Lakewood, WA
Pierce Co.
United States 		Main St. SW / 5th Ave. SW
(47.16198, -122.51570) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.4220 		Other (At-Grade)
Single-Lane 		2002 Completed June 2002. ICD estimated from Google Maps linework.
Winston-Salem, NC
Forsyth Co.
United States 		Turfwood Dr. / Long Creek Dr.
(36.19996, -80.32156) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
29.8771 		Other (At-Grade)
Single-Lane 		2002 Built by developer. ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		McWhinney Blvd. / Hahns Peak Dr. / Grays Peak Dr.
(40.41048, -105.01140) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
71.6280 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002
Goshen, CT
Litchfield Co.
United States 		Rte. 4 / Rte. 63
(41.83185, -73.22539) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9080 		Other (At-Grade)
Single-Lane 		2002 Painted splitter islands.
Topeka, KS
Shawnee Co.
United States 		46th St. / US 75 Ramps
(39.12934, -95.71959) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
124.9680 		Freeway Ramps (Grade-Separated)
Single-Lane 		2002 Roundabout under structure as part of single-point interchange. Elliptical shaped. ICD = 410 ft x 270 ft. Original intersection was at grade. Completed November 2002.
Astoria, OR
Clatsop Co.
United States 		US 101 / Hwy 202 (Nehalem Highway)
(46.18290, -123.86070) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.4797 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Opened September 2002. First multilane roundabout on Oregon state highway system. ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Prairie Star Pkwy / Montecello Rd.
(38.95251, -94.84398) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.0123 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Functional Class: Arterial ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SW Terwilliger Blvd. / SW Palater Rd.
(45.45290, -122.67660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2002 Roundabout replaces existing Y-intersection, adds fourth leg to serve college law school. Includes driveway into roundabout serving two homes. Roundabout is on tilted plane with central island plane steeper than inscribed circle plane to manage cross slopes. Northeast leg (Palater Road) has 8-9 percent grade down into roundabout, then flattens using a short vertical curve to a zero percent crown at the top of the circulatory roadway. Maximum grade through the roundabout is 4 percent; maximum cross slope is -2 percent. First roundabout under City of Portland jurisdiction.
Bend, OR
Deschutes Co.
United States 		SW 14th St. / SW Century Dr. / SW Simpson Ave.
(44.04790, -121.33160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.9036 		Other (At-Grade)
Single-Lane 		2002 Driveways located between crosswalk and circulatory roadway on both sides of west leg. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW 14th St. / NW Galveston Ave.
(44.05660, -121.33180) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.8991 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Buffalo, NY
Erie Co.
United States 		Gates Circle (Delaware Ave. / Lafayette Ave.)
(42.92054, -78.86776) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
66.4699 		Other (At-Grade)
Unknown 		2002 Modified in 2002 to incorporate roundabout principles. ICD estimated from Google Maps linework. 21442
Modesto, CA
Stanislaus Co.
United States 		Chandon Dr. / Calero Dr.
(37.67642, -120.93380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4132 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Bowen Ave. / Fremont Ave.
(37.67470, -121.00260) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.9061 		Other (At-Grade)
Single-Lane 		2002 Previously controlled by twsc ICD estimated from Google Maps linework.
Lake Worth, FL
Palm Beach Co.
United States 		SR 802 (Lucerne Ave. - Lake Ave.) / A St.
(26.61670, -80.06500) 		Roundabout
Existing 		All-Way Yield
Pedestrian Signal (red-yellow-green to drivers) 		4 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2002 ICD = 190 ft x 140 ft.
Bel Air, MD
Harford Co.
United States 		Tollgate Rd. / Westover Ln. / Crisfield Dr.
(39.46859, -76.32162) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.7377 		Other (At-Grade)
Single-Lane 		2002 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Oconomowoc, WI
Waukesha Co.
United States 		Wisconsin Ave. / Lake Dr.
(43.11224, -88.43968) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.1314 		Other (At-Grade)
Single-Lane 		2002 Opened October 15, 2002. Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		Meridian Rd. / Orion Dr.
(47.06890, -122.74140) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.1661 		Other (At-Grade)
Single-Lane 		2002 Opened October 2002. Functional Class: Collector ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		Marvin Rd. / Hawks Prairie Rd.
(47.08312, -122.78070) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.6509 		Other (At-Grade)
Single-Lane 		2002 Constructed September 14, 2002. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		College St. / 45th Ave.
(47.00710, -122.82310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.0923 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Completed November 6, 2002. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Asheville, NC
Buncombe Co.
United States 		WT Weaver Blvd / University Heights
(35.61435, -82.56285) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.1862 		Other (At-Grade)
Single-Lane 		2002 Completed August 2002. Entrance to University of North Carolina at Asheville. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Coralville, IA
Johnson Co.
United States 		1st Ave. / Holiday Rd.
(41.69276, -91.56655) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.8896 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Opened September 1, 2002. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Raleigh, NC
Wake Co.
United States 		Pullen Rd. / Stinson Dr.
(35.78457, -78.66421) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.3773 		Other (At-Grade)
Single-Lane 		2002 Located on campus of North Carolina State University. Completed November 2002. Used to have Pedestrian signal located upstream of roundabout (removed in 2006) Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		67th St. / Gleason Rd.
(39.00723, -94.86295) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.3387 		Other (At-Grade)
Single-Lane 		2002 Built as part of extension of both streets -- road originally curved from the north to the east. Completed October 2002. Functional Class: Collector ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Chapel Hills Dr. / Royal Pine Dr.
(38.98067, -104.77060) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
26.9242 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		E. 13th St. / N. Denver Ave.
(40.40520, -105.04480) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.7445 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Southbound approach has two-lane approach with right-turn-only lane; all other approaches are single-lane. Traffic from SuperWalMart and movie theatre go through roundabout to get to NB Denver to get to US 34/Eisenhower. Functional Class: Collector ICD estimated from Google Maps linework.
Coral Gables, FL
Miami-Dade Co.
United States 		Ponce de Leon Blvd. / Greco Ave. / Ruiz Ave.
(25.73047, -80.25832) 		Roundabout
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
49.4917 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 ICD estimated from Google Maps linework.
Overland Park, KS
Johnson Co.
United States 		110th St. / Lamar Ave.
(38.92910, -94.65830) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.3130 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Concrete paving. Adjacent to convention center. ICD estimated from Google Maps linework.
Springfield, OR
Lane Co.
United States 		Maple Island Rd. / (parking lot)
(44.08710, -123.03510) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.1674 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Springfield, OR
Lane Co.
United States 		Maple Island Rd. / International Way
(44.08840, -123.03490) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.1668 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Springfield, OR
Lane Co.
United States 		Maple Island Rd. / Game Farm Rd. East
(44.08580, -123.03510) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
25.7365 		Other (At-Grade)
Single-Lane 		2002 One leg is driveway, 4th leg is future. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		SW Reed Market Dr. / Mt. Bachelor Dr.
(44.03830, -121.33340) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.2015 		Other (At-Grade)
Single-Lane 		2002 Fourth leg was built with completion of new bridge over Deschutes River. ICD estimated from Google Maps linework.
Gig Harbor, WA
Pierce Co.
United States 		Borgen Blvd. / 51st
(47.35959, -122.60640) 		Roundabout
Existing 		All-Way Yield
Active Pedestrian Warning (flashing yellow) 		4 Approaches
0 Driveways
35.5974 		Other (At-Grade)
Single-Lane 		2002 In-pavement flashers in use on all crosswalks. Striped-out apron for future conversion to multilane. Opened September 2002. Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Chapel Hills Dr. / Divot Trl.
(38.97569, -104.77560) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.7116 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Functional Class: Arterial ICD estimated from Google Maps linework.
Swinomish Tribal Community, WA
Skagit Co.
United States 		SR 20 / Padilla Heights Rd.
(48.45519, -122.51940) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.2280 		Other (At-Grade)
Single-Lane 		2002 The ground breaking ceremony was held October 2002. The client is the Swinomish Tribe. Opened October 2002. Functional Class: Local ICD estimated from Google Maps linework.
Sherwood, OR
Washington Co.
United States 		SW Oregon St. / SW Murdock Rd.
(45.36060, -122.82520) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
49.5120 		Other (At-Grade)
Single-Lane 		2002 Completed November 2002. ICD estimated from Google Maps linework.
Carson City, NV
Carson City Co.
United States 		Arrowhead Dr. / I-580 SB Ramp
(39.19810, -119.77540) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.7669 		Freeway Ramps (Grade-Separated)
Single-Lane 		2002 Future SB on-ramp for Carson City Freeway (I-580). Overpass and roundabouts completed in 2002; freeway ramps completed ~2005. ICD estimated from Google Maps linework.
Carson City, NV
Carson City Co.
United States 		Arrowhead Dr. / I-580 NB Ramps / Imus Rd.
(39.19840, -119.77380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.6923 		Freeway Ramps (Grade-Separated)
Single-Lane 		2002 NB off-ramp for Carson City Freeway (I-580) and extension of Imus Road. Overpass and roundabouts completed in 2002. ICD estimated from Google Maps linework.
Medford, MN
Steele Co.
United States 		CR 12 / I-35 NB Ramps
(44.17349, -93.25775) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.6872 		Other (At-Grade)
Single-Lane 		2002 Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Bettendorf, IA
Scott Co.
United States 		53rd Ave. / Middle Rd.
(41.57538, -90.46408) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.5252 		Other (At-Grade)
Single-Lane 		2002 Right turn bypass lanes striped within roundabout. Construction cost ~$865,000. Information from website: http://www.bettendorf.lib.ia.us/publicworks/roundabout.html ICD estimated from Google Maps linework.
Town and Country, MO
St. Louis Co.
United States 		MO 141 SB Ramps / Woods Mill Rd.
(38.63523, -90.51449) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
38.2503 		Other (At-Grade)
Single-Lane 		2002 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Advance, NC
Davie Co.
United States 		NC 801 / I-40 EB Ramps
(36.00655, -80.44083) 		Roundabout
Removed 		All-Way Yield
None 		3 Approaches
0 Driveways
17.3907 		Freeway Ramps (Grade-Separated)
Single-Lane 		2002 Developer-built "temporary" intersection fix. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Clemmons, NC
Forsyth Co.
United States 		Styers Ferry Rd. / Utility Dr. (River Ridge Roundabout)
(36.07380, -80.39124) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9598 		Other (At-Grade)
Single-Lane 		2002 Built by developer. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Columbine, CO
Jefferson Co.
United States 		S. Simms St. / W. Quincy Ave.
(39.63865, -105.12860) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.0301 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 ICD estimated from Google Maps linework.
Milwaukee, WI
Milwaukee Co.
United States 		S. 6th St. / W. Virginia St. / Florida St.
(43.02698, -87.91770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.7816 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Built as terminal of new bridge. Signal located downstream approximately 150-200 feet away (estimated) that queues back through roundabout during weekday p.m. peak. No lane designations on approach. Functional Class: Arterial ICD estimated from Google Maps linework.