Roundabouts Database Index

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
Rio Rancho, NM Sandoval Co. United States	Cherry Rd. NE / 17th Ave. NE (35.28760, -106.70361)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.1712	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Rio Rancho, NM Sandoval Co. United States	Arena Dr. NE / HP Way NE (35.31009, -106.69007)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.1877	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Rio Rancho, NM Sandoval Co. United States	King Blvd. NE / Main St. NE (35.31189, -106.68624)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.2886	Other (At-Grade) Single-Lane	2007	Fourth leg stubbed. Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Rio Rancho, NM Sandoval Co. United States	King Blvd. NE / Park Dr. NE (35.31365, -106.68872)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.1100	Other (At-Grade) Single-Lane	2006	Fourth leg stubbed. Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Maryland Heights, MO St. Louis Co. United States	Casino Center Dr. / (casino parking) (38.75175, -90.47969)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 39.1195	Other (At-Grade) Multilane (2 Lane, unspecified)	1999	Yield on circulatory roadway. Year Completed estimated (1996-2002) ICD estimated from Google Maps linework.
Wentzville, MO St. Charles Co. United States	Schroeder Creek Blvd. / William Dierberg Dr. (38.82018, -90.86907)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.0819	Other (At-Grade) Single-Lane	2016	Paving was done in late 2016, but fully completed in 2017 -- https://www.wentzvillemo.org/departments/public_works/schroeder_creek_boulevard_extension_project.php . ICD estimated from Google Maps linework.
Wentzville, MO St. Charles Co. United States	Schroeder Creek Blvd. / (high school access) (38.81649, -90.86931)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.9451	Other (At-Grade) Single-Lane	2016	Paving was done in late 2016, but fully completed in 2017 -- https://www.wentzvillemo.org/departments/public_works/schroeder_creek_boulevard_extension_project.php . ICD estimated from Google Maps linework.
Wentzville, MO St. Charles Co. United States	Wilmer Valley Dr. / Wilmer Ridge Dr. (38.79278, -90.86444)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2675	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
O'Fallon, MO St. Charles Co. United States	Phoenix Pkwy. / Redhawk Pkwy. / Red Hawk Pl. (38.74510, -90.73630)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5341	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
O'Fallon, MO St. Charles Co. United States	Phoenix Pkwy. / Phoenix Dr. / Boardwalk Place Dr. (38.74122, -90.73747)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5359	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Kendall Pkwy. / Aldrin Dr. (40.42884, -105.01002)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.9112	Other (At-Grade) Single-Lane	2019	Fourth leg stubbed. ICD estimated from Google Maps linework.
Barnhart, MO Jefferson Co. United States	Metropolitan Blvd. / Marriott Ln. / (unknown) / I-55 SB On-ramp (38.34633, -90.39727)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.5939	Freeway Ramps (Grade-Separated) Single-Lane	2010	Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Arnold, MO Jefferson Co. United States	Astra Way / Missouri State Rd. (38.44301, -90.40168)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1589	Other (At-Grade) Single-Lane	2012	Located approximately 220 feet from traffic signal. https://patch.com/missouri/fenton-highridge/new-traffic-roundabout-to-be-built-on-hwy-141-between4fb74fd68b . ICD estimated from Google Maps linework.
(unincorporated), MO Jefferson Co. United States	13th St. / Winding Bluffs Dr. (38.48406, -90.44573)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7865	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Maple Valley, WA King Co. United States	SE Tahoma Way / Maple Valley Black Diamond Rd. SE (47.35796, -122.02252)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.5079	Other (At-Grade) Single-Lane	2018	East Entrance to Tahoma High School. Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Liberty Lake (Greenacres), WA Spokane Co. United States	E Mission Ave. / N Harvest Pkwy. (47.67143, -117.13127)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7992	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Stevenson, WA Skamania Co. United States	SR 14 / Wind River Rd. (45.71510, -121.82857)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.1939	Other (At-Grade) Single-Lane	2019	Completed Summer 2019 (WSDOT). ICD estimated from Google Maps linework.
Washougal, WA Clark Co. United States	SR 14 / S 32nd St. (45.57443, -122.33692)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.1284	Other (At-Grade) Unknown	2019	Completed Summer 2019 (WSDOT). ICD estimated from Google Maps linework.
Washougal, WA Clark Co. United States	SR 14 / 15th St. (Washougal River Rd.) (45.57665, -122.35617)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2591	Other (At-Grade) Single-Lane	2019	Completed Summer 2019 (WSDOT). If needed will be converted in the future to multilane and has built in concrete joint lines in the splitter islands and central island truck apron. ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Mesa Ave. / Park Ave. / Lake Cir. (38.79330, -104.85226)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.7188	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Eagle Rock Rd. / Spine Rd. (38.90327, -104.81455)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.6008	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Targa Dr. / Woodmen Ridge View (38.93858, -104.72473)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.5197	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Tutt Blvd. / Bear Run Point (38.94247, -104.71133)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.5172	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Forestgate Dr. / Lochwinnoch Ln. (38.96681, -104.68550)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.8585	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Forestgate Dr. / Cairngorm Way (38.96770, -104.69892)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.4293	Other (At-Grade) Single-Lane	2002	Elliptical shape. Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Grand Cordera Pkwy. / Sky Meadow Dr. / Wild Sage Grove (38.96025, -104.72647)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.8623	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	N Union Blvd. / Grand Cordera Pkwy. (38.97597, -104.74059)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.8532	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	N Union Blvd. / Cordera Crest Ave. / Nautilus Point (38.97581, -104.74418)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.5673	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Cordera Crest Ave. / Outlook Ridge Trl. / Taco Ave. (38.97726, -104.74489)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7094	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Continental Heights / Prominent Point (38.97278, -104.74369)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.7843	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Prominent Point / Nautilus Point (38.97327, -104.74271)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.8555	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	New Allegiance Dr. / Republic Dr. (38.98670, -104.80719)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.6289	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Two legs stubbed. Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Federal Dr. / Rampart Hills View (38.99266, -104.80356)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.9154	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Federal Dr. / Rampart Hills View / (parking lot) (38.99663, -104.81004)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.0567	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Northgate Blvd. / I-25 NB Ramps (39.02725, -104.83094)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.2461	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	https://www.krdo.com/news/local-news/north-gate-blvd-set-to-reopen-under-i-25-/34107950 . ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Northgate Blvd. / I-25 SB Ramps (39.02538, -104.83627)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.1752	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	https://www.krdo.com/news/local-news/north-gate-blvd-set-to-reopen-under-i-25-/34107950 . ICD estimated from Google Maps linework.
Castle Rock, CO Douglas Co. United States	Rising Sun Dr. / Autumn Sage St. (39.39210, -104.82736)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.0731	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2007). ICD estimated from Google Maps linework.
Castle Rock, CO Douglas Co. United States	Sapphire Pointe Blvd. / Sulfur Ln. / Peridot Ln. (39.42788, -104.84576)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 63.6545	Other (At-Grade) Single-Lane	2003	Single-stage pedestrian crossings, fully traversable splitter islands, no buffer between sidewalk and circulatory roadway. Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Castle Rock, CO Douglas Co. United States	Sapphire Pointe Blvd. / Tremolite Dr. (39.42908, -104.85397)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 52.5832	Other (At-Grade) Single-Lane	2005	No buffer between sidewalk and circulatory roadway. ICD estimated from Google Maps linework.
Castle Pines, CO Douglas Co. United States	W Castle Pines Pkwy. / Pine Ridge Ln. / Buffalo Trl. (39.47283, -104.91386)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4238	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Castle Pines, CO Douglas Co. United States	Daniels Gate Dr. / Grigs Rd. (39.48770, -104.91860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7912	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	Pavilion Dr. / (parking lots) (39.50940, -104.76748)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6435	Other (At-Grade) Single-Lane	2003	Within shopping center. Year Completed estimated (2001-2004). ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	Clubhouse Dr. / S Pikes Peak Dr. (39.51305, -104.76302)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.5634	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1994-1999). ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	Crown Crest Blvd. / Cottonwood Dr. (39.55051, -104.77237)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 50.6497	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Carmel, IN Hamiloton Co. United States	96th St. / Gray Rd. / River Ridge Dr. (39.92693, -86.08871)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.6261	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	ICD estimated from Google Maps linework.
Aurora, CO Arapahoe Co. United States	Copperleaf Blvd. / S Tibet St. (39.62772, -104.72553)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.0740	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Aurora, CO Arapahoe Co. United States	Copperleaf Blvd. / S Tempe St. (39.62637, -104.72778)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.2351	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Lakewood, CO Jefferson Co. United States	W Dartmouth Pl. / W Cornell Pl. / (high school access) (39.66034, -105.10813)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.2611	Other (At-Grade) Single-Lane	2006	https://www.denverpost.com/2006/08/03/on-the-side-84/ . ICD estimated from Google Maps linework.
Aurora, CO Arapahoe Co. United States	S Old Tom Morris Rd. / Catawba Cir. / (golf course parking lot) (39.68629, -104.70910)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0875	Other (At-Grade) Single-Lane	2000	Windmill in central island. Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Aurora, CO Arapahoe Co. United States	E Florida Ave. / S De Gaulle Way / S Duquesne Ct. (39.69027, -104.70622)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 56.0618	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2003-2004). ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	Illinois St. / (unknown) (39.73540, -105.21057)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.5747	Other (At-Grade) Single-Lane	2002	Minimal splitter islands. No detectable warnings for the one pedestrian crossing. ICD estimated from Google Maps linework.
Arvada, CO Jefferson Co. United States	W 66th Ave. / W 66th Dr. (39.81516, -105.17026)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.6867	Other (At-Grade) Single-Lane	2007	Located 35 feet from adjacent stop-controlled intersection. No buffers between sidewalk and circulatory roadway. ICD estimated from Google Maps linework.
Westminster, CO Jefferson Co. United States	Reed St. / Promenade Dr. / (parking lot) (39.88726, -105.07719)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.7403	Other (At-Grade) Single-Lane	2004	Wapiti Circle (statue of small elk herd) installed in center island in 2005 -- https://www.waymarking.com/waymarks/WMDRJH_Wapiti_Circle_Westminster_CO . ICD estimated from Google Maps linework.
Elgin, SC Richland Co. United States	Jacobs Millpond Rd. / Woodcreek Farms Rd. (34.12103, -80.83451)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.7295	Other (At-Grade) Single-Lane	1999	Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Columbia, SC Richland Co. United States	Lake Carolina Dr. / Centennial Dr. / Summit Ridge Dr. (34.16836, -80.87591)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.5862	Other (At-Grade) Single-Lane	2005	Very small splitter islands. 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.
San Luis Obispo, CA San Luis Obispo Co. United States	Tank Farm Rd. / Righetti Ranch Rd. (35.25019, -120.63318)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.3341	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Aiken, SC Aiken Co. United States	Bonneville Circle (Trolley Run Blvd. / Market Station Blvd. / Keagan Blvd.) (33.58485, -81.77248)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 54.7226	Other (At-Grade) Single-Lane	2007	Right-turn-only lanes on all approaches; striped out outer lanes of circulatory roadway in front of each splitter island. Yield signs only on left side of entries. ICD estimated from Google Maps linework.
Aiken, SC Aiken Co. United States	Catenary Blvd. / Trolley Run Blvd. (33.59346, -81.77416)	Rotary Existing	All-Way Yield None	3 Approaches 0 Driveways 51.7326	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Striped out outer lane of circulatory roadway in front of splitter islands. Yield signs only on left side of entries. 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.
Aiken, SC Aiken Co. United States	E Gate Dr. / Aiken Mall Dr. SW / (parking lot) (33.51065, -81.71479)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.8785	Other (At-Grade) Single-Lane	2000	Channelized right-turn lanes on all legs. No Left Turn signs under Yield signs. Year Completed estimated (1994-2005). ICD estimated from Google Maps linework.
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.
Norman, OK Cleveland Co. United States	Manor Hill Dr. / Sherburne Rd. (35.22406, -97.50950)	Roundabout Existing	All-Way Yield None	3 Approaches 5 Driveways 36.0991	Other (At-Grade) Single-Lane	1999	No truck apron. Year Completed estimated (1995-2003). ICD estimated from Google Maps linework.
Yukon, OK Canadian Co. United States	Health Center Pkwy. / (unknown) (35.48402, -97.76674)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7082	Other (At-Grade) Single-Lane	2015	Painted truck apron. ICD estimated from Google Maps linework.
Oklahoma City, OK Oklahoma Co. United States	N Phillips Ave. / NE 84th St. (35.55627, -97.50126)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0358	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2007-2008). 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.
Newburgh, IN Warrick Co. United States	Warrick Trl. / Grimm Rd. (37.98034, -87.43214)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.8354	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Fourth leg stubbed.Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Cecil Township, PA Washington Co. United States	Main St. / Town Center Blvd. / Town Center Way / Mylan Blvd. (40.27383, -80.16333)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.6267	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Apopka, FL Orange Co. United States	Marden Rd. / SR 414 WB Off-ramp (28.65380, -81.52579)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.2496	Freeway Ramps (Grade-Separated) Single-Lane	2017	https://www.facebook.com/cityofapopka/photos/road-closure-noticemarden-road-will-be-closed-beginning-tomorrow-to-construct-tw/1191422450975658/ . ICD estimated from Google Maps linework.
Apopka, FL Orange Co. United States	Marden Rd. / Harmon Rd. / SR 414 EB On-ramp (28.65199, -81.52579)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.3463	Freeway Ramps (Grade-Separated) Single-Lane	2017	https://www.facebook.com/cityofapopka/photos/road-closure-noticemarden-road-will-be-closed-beginning-tomorrow-to-construct-tw/1191422450975658/ . ICD estimated from Google Maps linework.
Maitland, FL Orange Co. United States	Pembrook Dr. / Maitland Summit Blvd. (28.63285, -81.40502)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.3516	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Winter Garden, FL Orange Co. United States	Windermere Rd. / Stoneybrook W Pkwy. / Roberson Rd. (28.52965, -81.55831)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1832	Other (At-Grade) Unknown	2019	http://www.windermeresun.com/2019/04/04/roundabout-at-stoneybrook-west-parkway-windermere-road-and-roberson-road-in-winter-garden-is-completed/ . ICD estimated from Google Maps linework.
Winter Garden, FL Orange Co. United States	Fowler Grove Blvd. / Sembler Way / (hospital access) (28.52519, -81.58766)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.9245	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Winter Garden, FL Orange Co. United States	Winter Garden-Vineland Rd. / Fowler Grove Blvd. (28.52540, -81.59130)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4310	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	Las Estancias Dr. / (unknown) (35.01799, -106.71186)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.0811	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Two legs stubbed. 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.
Lenoir City, TN Loudon Co. United States	Glenfield Dr. / Glenbrook Dr. (35.80347, -84.28974)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.8395	Other (At-Grade) Single-Lane	2005	Fourth leg stubbed. Year Completed estimated (2004-2006). ICD estimated from Google Maps linework.
Rockford, TN Blount Co. United States	Clayton Rd. / Pellissippi Pl. (35.80191, -83.93745)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.5267	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Fourth leg stubbed. Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Rockford, TN Blount Co. United States	Pellissippi Pl. / (parking lot) / (unknown) (35.80058, -83.93423)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.5588	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Fourth leg stubbed. Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Knoxville, TN Knox Co. United States	Midpark Rd. / Henson Rd. (35.96671, -84.01232)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.9325	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Knoxville, TN Knox Co. United States	Midpark Rd. / (parking lot) (35.96348, -84.01397)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.0004	Other (At-Grade) Single-Lane	2003	Fourth leg stubbed. ICD estimated from Google Maps linework.
Helena, AL Shelby Co. United States	Hillsboro Pkwy. / Stonecreek Dr. (33.27785, -86.87083)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.9484	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2010). 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.
Chelsea, AL Shelby Co. United States	Chelsea Park Dr. / Parkmont Way (33.34506, -86.58801)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.9131	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Pedestrian crossing signs with no crossings or sidewalk. Year Completed estimated (1998-2006). ICD estimated from Google Maps linework.
Bessemer, AL Jefferson Co. United States	Promenade Pkwy. / (parking lot) (33.33340, -86.99211)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.9397	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Bessemer, AL Jefferson Co. United States	Academy Way / Academy Ln. (33.36369, -87.00765)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.9150	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Hoover, AL Jefferson Co. United States	Preserve Pkwy. / Village Green Way (33.38110, -86.83947)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.9163	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Birmingham, AL Jefferson Co. United States	Bessemer Rd. / (unknown) (33.49729, -86.87369)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.8144	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Concentric circulatory roadway striping. Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Fenton, MI Genesee Co. United States	North Rd. / Torrey Rd. / (gas station access) (42.80472, -83.72443)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.6687	Other (At-Grade) Single-Lane	2019	100-ft inscribed circle diameter. Opened November 2019. https://www.thelascopress.com/2019/11/fentons-first-roundabout-is-open-for-business/ . ICD estimated from Google Maps linework.
Mobile, AL Mobile Co. United States	Aerospace Dr. / Airbus Way (30.64175, -88.06772)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 52.4058	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Knoxville, TN Knox Co. United States	Maloney Rd. / Dresser Rd. (35.90481, -83.95273)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.7937	Other (At-Grade) Single-Lane	2017	https://lakemoor.org/alcoa-hwy-february-7-2017/ . ICD estimated from Google Maps linework.
Knoxville, TN Knox Co. United States	Maloney Rd. SW / Alcoa Hwy. (US 129) SB Connector (35.90475, -83.95549)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.8263	Other (At-Grade) Single-Lane	2019	https://www.tn.gov/tdot/projects/projects-region-1/sr-115-alcoa-highway-maloney-to-woodson/sr-115-alcoa-highway-maloney-to-woodson-timeline.html . ICD estimated from Google Maps linework.
Knoxville, TN Knox Co. United States	Gleason Dr. SW / Wellsley Park Rd. SW (35.92329, -84.02883)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.3914	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1997-2002). Original two-lane circulatory roadway with concentric lane line. Striped out inner lane of circulatory roadway to make single-lane around 2014-2016. ICD estimated from Google Maps linework.
Knoxville, TN Knox Co. United States	Bob Gray Rd. / Hickey Rd. / Mabry Hood Rd. (35.93396, -84.12904)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.0112	Other (At-Grade) Single-Lane	2014	http://www.screamsfromtheporch.com/2014/05/roads-closed-due-to-roundabout-work.html . ICD estimated from Google Maps linework.
Knoxville, TN Knox Co. United States	Bob Gray Rd. / Bob Kirby Rd. (35.93715, -84.11768)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 14.5050	Other (At-Grade) Single-Lane	2014	http://www.screamsfromtheporch.com/2014/05/roads-closed-due-to-roundabout-work.html . ICD estimated from Google Maps linework.
Cottage Grove, MN Washington Co. United States	65th St. S / Goodview Ave. S (44.85509, -92.97948)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.0928	Other (At-Grade) Single-Lane	2018	North approach is currently a stub for future development as of 2019. Constructed in conjunction with adjacent middle school. ICD estimated from Google Maps linework.
Dupont, WA Pierce Co. United States	Ridge View Dr. / McNeil St. (47.10116, -122.67381)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.0156	Other (At-Grade) Single-Lane	2007	Originally open pavement; converted to roundabout. Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Auburn, WA King Co. United States	SE 392nd St. / (parking lot) (47.24986, -122.10399)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.3750	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.