Roundabouts Database

29948 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
Grand Forks, ND
Grand Forks Co.
United States 		Airport Dr. / Airport Dr.
(47.94149, -97.17424) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4026 		Other (At-Grade)
Single-Lane 		2011 Serves airport. ICD estimated from Google Maps linework.
Grand Forks, ND
Grand Forks Co.
United States 		S 34th St. / 24th Ave. S
(47.89576, -97.07623) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.6287 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Grand Forks, ND
Grand Forks Co.
United States 		S 34th St. / 40th Ave. S
(47.88244, -97.07736) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2014
Bismarck, ND
Burleigh Co.
United States 		Whisper Dr. / Langer Ln.
(46.77614, -100.82328) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.9892 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Killdeer, ND
Dunn Co.
United States 		ND 22 / ND 200
(47.35753, -102.75870) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
59.0617 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Killdeer, ND
Dunn Co.
United States 		ND 200 / Northwest Bypass / 109th Ave SW
(47.35765, -102.80121) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3981 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Killdeer, ND
Dunn Co.
United States 		ND 22 / Northwest Bypass
(47.41148, -102.79697) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
54.9601 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Fairview, ND
McKenzie Co.
United States 		ND 58 / ND 200 / 161st Ave. NW
(47.86274, -104.03337) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.2823 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Frisco, TX
Collin Co.
United States 		Burnt Prairie Ln. / Elk Grove Ln.
(33.19066, -96.77473) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5277 		Other (At-Grade)
Single-Lane 		2015 .
New Waverly, TX
Walker Co.
United States 		FM 1375 Rd. / I-45 SB Frontage Rd.
(30.53485, -95.49678) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
54.8630 		Freeway Ramps (Grade-Separated)
Single-Lane 		2015 .
New Waverly, TX
Walker Co.
United States 		FM 1375 Rd. / I-45 NB Frontage Rd.
(30.53557, -95.49278) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
54.8640 		Freeway Ramps (Grade-Separated)
Single-Lane 		2015 .
Mount Pleasant, SC
Charleston Co.
United States 		Rifle Range Rd. / Venning Rd. / Old Landing Rd.
(32.81335, -79.83051) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.1129 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Mount Pleasant, SC
Charleston Co.
United States 		Mathis Ferry Rd. / Shelmore Blvd.
(32.81177, -79.87913) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.1021 		Other (At-Grade)
Single-Lane 		1998 ICD estimated from Google Maps linework.
Mount Pleasant, SC
Charleston Co.
United States 		Mathis Ferry Rd. / SR S-10-503
(32.81094, -79.88391) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.1061 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Mount Pleasant, SC
Charleston Co.
United States 		Mathis Ferry Rd. / 7th Ave. / Walt Miller St.
(32.80825, -79.89030) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.1069 		Other (At-Grade)
Single-Lane 		2013 Replaced two offset T-intersections. ICD estimated from Google Maps linework.
Mount Pleasant, SC
Charleston Co.
United States 		Longpoint Rd. / Needlerush Pkwy.
(32.84476, -79.83325) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.1329 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Mount Pleasant, SC
Charleston Co.
United States 		Mathis Ferry Rd. / Hospital Dr. / Preservation Pl.
(32.82325, -79.85043) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.1059 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Dothan, AL
Houston Co.
United States 		Campbellton Hwy. / Southgate Rd.
(31.18216, -85.40940) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2016
Dothan, AL
Houston Co.
United States 		N Shady Ln. / Whatley Dr.
(31.24327, -85.45203) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.4857 		Other (At-Grade)
Single-Lane 		2001 Year completed estimated (1998-2003). ICD estimated from Google Maps linework.
Fargo, ND
Cass Co.
United States 		Brandt Dr. S / 28th Ave. S
(46.83616, -96.86468) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.6810 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Fargo, ND
Cass Co.
United States 		Brandt Dr. S / 30th Ave. S
(46.83463, -96.86699) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.3160 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Fargo, ND
Cass Co.
United States 		Veterans Blvd. S / 44th Ave. S
(46.81391, -96.88235) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.2334 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Fargo, ND
Cass Co.
United States 		Veterans Blvd. S / 48th Ave. S
(46.80974, -96.88209) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.4190 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Fargo, ND
Cass Co.
United States 		Veterans Blvd. S / 51st Ave. S
(46.80612, -96.88188) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.2391 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Fargo, ND
Cass Co.
United States 		25th St. S / 58th Ave. S
(46.79563, -96.81897) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.9702 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Fargo, ND
Cass Co.
United States 		25th St. S / 64th Ave. S
(46.78913, -96.81928) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7934 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Fargo, ND
Cass Co.
United States 		25th St. S / 70th Ave. S
(46.78182, -96.81941) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.1603 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
West Fargo, ND
Cass Co.
United States 		9th St. W / 26th Ave. W
(46.84077, -96.91497) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.2138 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
West Fargo, ND
Cass Co.
United States 		9th St. W / 22nd Ave. W
(46.84596, -96.91477) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.7594 		Other (At-Grade)
Single-Lane 		2015 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.
West Fargo, ND
Cass Co.
United States 		4th St. E / 36th Ave. E
(46.82611, -96.89348) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1276 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
West Fargo, ND
Cass Co.
United States 		4th St. E / 26th Ave. E
(46.84058, -96.89382) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.9192 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
West Fargo, ND
Cass Co.
United States 		6th St. E / 15th Ave. E
(46.85894, -96.89177) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2006 Year completed estimated (2005-2008).
West Fargo, ND
Cass Co.
United States 		8th St. W / 15th Ave. W / Elmwood Dr.
(46.86051, -96.91340) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.7662 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Flower Mound, TX
Denton Co.
United States 		Lakeside Pkwy. / Sandy Ln.
(32.99250, -97.06856) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2015 Third leg added late 2014/early 2015. Original two legs and circle constructed ~2002.
Flower Mound, TX
Denton Co.
United States 		Lakeside Pkwy. / Edgemere Rd.
(32.98882, -97.06770) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2015 Third leg added 2015. Original two legs and circle constructed ~2002.
Little Elm, TX
Denton Co.
United States 		King George Ln. / Continental Congress Pkwy.
(33.22897, -96.90955) 		Traffic Calming Circle
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
33.5270 		Other (At-Grade)
Single-Lane 		2006 No splitter islands, stop control on all entries.
(unincorporated), TX
Denton Co.
United States 		Magnolia Blvd. / Peachtree Dr.
(33.22286, -96.90053) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5274 		Other (At-Grade)
Single-Lane 		2003 Concentric bike lane in circulatory roadway. Year Completed estimated (2001-2005).
Frisco, TX
Denton Co.
United States 		Bonneville Rd. / Cross Grained Dr.
(33.14521, -96.88339) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5274 		Other (At-Grade)
Single-Lane 		2016
Frisco, TX
Denton Co.
United States 		Bonneville Rd. / Barking Irons Dr.
(33.14352, -96.88088) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2016 .
Frisco, TX
Denton Co.
United States 		Red Rock Canyon Rd. / Coulter Lake Rd.
(33.13987, -96.87827) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2012 .
Frisco, TX
Denton Co.
United States 		Bridle Blvd. / Coulter Lake Rd.
(33.13840, -96.87734) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2013
Anderson, CA
Shasta Co.
United States 		Pleasant Hills Dr. / Domaine Pl.
(40.42966, -122.29692) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.6377 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Anderson, CA
Shasta Co.
United States 		Pleasant Hills Dr. / (unknown)
(40.42415, -122.29962) 		Other
Existing 		Other
None 		3 Approaches
0 Driveways
29.0944 		Other (At-Grade)
Single-Lane 		2006 No control on entries. ICD estimated from Google Maps linework.
Anderson, CA
Shasta Co.
United States 		Pleasant Hills Dr. / (unknown 2)
(40.42248, -122.30084) 		Other
Existing 		Other
None 		3 Approaches
0 Driveways
30.9136 		Other (At-Grade)
Single-Lane 		2006 No control on entries. ICD estimated from Google Maps linework.
Redding, CA
Shasta Co.
United States 		Teton Dr. / Crescent Moon Dr. / Crescent Moon Ct.
(40.56422, -122.41552) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
23.5899 		Other (At-Grade)
Single-Lane 		1997 Year completed estimated (before 1998). Pedestrian ramps into circulatory roadway. 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.
Federal Way, WA
King Co.
United States 		3rd Ave. SW / SW 330th St.
(47.30636, -122.33874) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.8167 		Other (At-Grade)
Single-Lane 		2014 This is a "Compact" single-lane roundabout with center island landscaping and a truck apron, inscribed circle diameter is 76 feet. Pedestrian refuge islands on the east-west approaches provide channelization. ICD estimated from Google Maps linework.
Federal Way, WA
King Co.
United States 		SW 330th St. / 6th Ave. SW
(47.30622, -122.34230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
20.2463 		Other (At-Grade)
Single-Lane 		2014 This is a "Compact" urban roundabout with central island landscaping and a truck apron, inscribed diameter is 76 feet. Pedestrian refuge islands on the east-west approaches provide channelization. This and the one at 3rd Ave SW / SW 330th Street were opened in November 2014. ICD estimated from Google Maps linework.
Federal Way, WA
King Co.
United States 		12th Ave. SW / 12th Pl. SW / SW 340th St.
(47.29677, -122.35142) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.6299 		Other (At-Grade)
Single-Lane 		2013 Inscribed diameter of 76 feet, landscaped central island, yield control on all approaches. No curbing for channelizing the approaches, paint only. Opened November 2013. ICD estimated from Google Maps linework.
Kent, WA
King Co.
United States 		SE 244th St. / 100th Ave. SE
(47.38335, -122.20736) 		Traffic Calming Circle
Existing 		Other
None 		4 Approaches
0 Driveways
11.3213 		Other (At-Grade)
Single-Lane 		2016 This is now a dog bone-shaped traffic circle with two-way Yield control on the east and west approaches and no control north-south. Previous control was stop-control on the east leg only before the west leg was built. ICD estimated from Google Maps linework.
Campton Hills, IL
Kane Co.
United States 		SR 47 / Burlington Rd.
(41.98813, -88.47064) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2016 Rural, high-speed approaches.
Rockford, IL
Winnebago Co.
United States 		N Main St. / Auburn St.
(42.28863, -89.08024) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2013 Originally built in 2013 as multilane 2x2 roundabout. Reduced from multilane 2x2 to single-lane roundabout in 2024: https://www.wifr.com/2024/05/17/main-auburn-st-roundabout-rockford-reduce-lanes/
Rockford, IL
Winnebago Co.
United States 		Seminary St. / College Ave.
(42.26161, -89.09051) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.4721 		Other (At-Grade)
Single-Lane 		2013 Right-turn bypass lane on west leg. ICD estimated from Google Maps linework.
Ishpeming, MI
Marquette Co.
United States 		N 2nd St. / N 3rd St.
(46.50205, -87.66564) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2016
Acworth-Kennesaw, GA
Cobb Co.
United States 		W Sandtown Rd. / Villa Rica Rd.
(33.92703, -84.63775) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2008
Durango, CO
La Plata Co.
United States 		Jenkins Ranch Rd. / Lizard Head (south)
(37.28605, -107.84710) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
24.7061 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States 		Jenkins Ranch Rd. / Lizard Head (north)
(37.28920, -107.84310) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
27.5556 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Catonsville, MD
Baltimore Co.
United States 		MD 372 / Hilltop Rd. / Entrance to UMBC
(39.25733, -76.71964) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.1417 		Other (At-Grade)
Single-Lane 		1998 Functional Class: Collector ICD estimated from Google Maps linework.
Lisbon, MD
Howard Co.
United States 		MD 94 / Old Frederick Rd. (Lisbon North)
(39.34810, -77.06930) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.7839 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States 		MD 103 / MD 100 WB Ramps
(39.20846, -76.78294) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.3154 		Freeway Ramps (Grade-Separated)
Single-Lane 		1998 Opened November 1998. ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States 		MD 103 / MD 100 EB Ramps
(39.20733, -76.78243) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.5396 		Freeway Ramps (Grade-Separated)
Single-Lane 		1998 Opened November 1998. ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States 		Snowden River Pkwy. / MD 100 WB Ramps
(39.21233, -76.79544) 		Roundabout
Existing 		All-Way Yield
Metering Signal 		3 Approaches
0 Driveways
25.9105 		Freeway Ramps (Grade-Separated)
Single-Lane 		1998 Opened November 1998. Metering signal on Snowden River Pkwy approach. 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.
Douglasville, GA
Douglas Co.
United States 		SR 5 / SR 166
(33.61361, -84.83688) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8602 		Other (At-Grade)
Single-Lane 		2007 Fatal crash November 24, 2011. 11861-05. ICD estimated from Google Maps linework.
(unincorporated), MD
Anne Arundel Co.
United States 		Arundel Beach Rd. / Leelyn Dr.
(39.07955, -76.54560) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9594 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Brunswick, MD
Frederick Co.
United States 		MD 17 / A St. / B St. / Maryland Ave.
(39.31433, -77.62807) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
42.5054 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Stuart, FL
Martin Co.
United States 		N. Colorado Ave. / E. Osceola St.
(27.19860, -80.25300) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.9303 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		N. 64th St. / E. Lafayette Blvd.
(33.49474, -111.94330) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.9119 		Other (At-Grade)
Single-Lane 		2000 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.
Manchester, VT
Bennington Co.
United States 		Rte. 7A / Equinox (Grand Union)
(43.17309, -73.06181) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.1304 		Other (At-Grade)
Single-Lane 		1997 Roundabout is in a retail/outlet district in a resort area. VT 7-A is posted as a Historic Highway and is the local business route, while the parallel US 7 is a two-lane, limited access bypass that carries through truck traffic. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
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.
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.
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.
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.
Naples, FL
Collier Co.
United States 		7th St. N. / 3rd Ave. N.
(26.15530, -81.80524) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
9.6483 		Other (At-Grade)
Single-Lane 		1998 Installed for traffic calming. Detailed traffic volume, speed data available. 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.
Clovis, NM
Curry Co.
United States 		Hwy 245 (Llano Estacado Blvd.) / Norris St.
(34.43384, -103.17830) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.3276 		Other (At-Grade)
Single-Lane 		2006 Completed February 27, 2006. Website: http://www.cityofclovis.org/roundabout/roundabout.htm 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.
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.
Naples, FL
Collier Co.
United States 		7th St. N. / 7th Ave. N.
(26.15619, -81.79971) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.5125 		Other (At-Grade)
Single-Lane 		1998 Installed for traffic calming. Detailed traffic volume, speed data available. Previously controlled by two-way stop Functional Class: Collector 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.
Boca Raton, FL
Palm Beach Co.
United States 		SW 18th St. / Juana Rd. (SW 12th Ave.)
(26.33206, -80.11059) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		Raised splitter islands on SW 18th St., painted splitter islands on Juana Rd.. Flashing warning beacon on eastbound SW 18th St. approach. Year Completed unknown (before 1985).
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.
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.
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.
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.
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.
Short Pump, VA
Goochland Co.
United States 		Capitol One Dr. / (unknown)
(37.62693, -77.66927) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
37.8365 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
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.
Lakewood, CO
Jefferson Co.
United States 		Arbutus Dr. / Red Rocks Community College
(39.71903, -105.14840) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.7465 		Other (At-Grade)
Single-Lane 		2001 Functional Class: Collector ICD estimated from Google Maps linework.