Roundabouts Database Index

29869 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
Bellevue, WA King Co. United States	W. Lake Sammamish Pkwy. SE / Lakemont Blvd. SE (47.56776, -122.09980)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.4567	Other (At-Grade) Single-Lane	1997	Revised August 2005. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Crestone Dr. / Foothills Dr. (40.39717, -105.13149)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	1997	Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Bloomington, IL McLean Co. United States	Royal Pointe Dr / Brighton Ln (40.49004, -88.93106)	Traffic Calming Circle Existing	Other None	4 Approaches 0 Driveways 55.4069	Other (At-Grade) Single-Lane	1997	Year Completed estimated (1994-1999). ICD estimated from Google Maps linework.
Farmington, MN Dakota Co. United States	Spruce St. / 12th St. (44.63790, -93.13039)	Other Existing	Unknown None	4 Approaches 8 Driveways 94.3320	Other (At-Grade) Single-Lane	1997	No splitter islands. 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.
Orlando, FL Orange Co. United States	International Pkwy. / Via Oakmont Loop (28.75491, -81.36806)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 53.3996	Other (At-Grade) Multilane (2 Lane, unspecified)	1997	Concentric circulatory roadway striping. ICD estimated from Google Maps linework.
(unincorporated), FL St. Lucie Co. United States	Commerce Center Dr. / Reserve Blvd. (27.31159, -80.42337)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.1819	Other (At-Grade) Multilane (2 Lane, unspecified)	1997	Concentric circulatory roadway striping. ICD estimated from Google Maps linework.
West Boca Raton, FL Palm Beach Co. United States	Yamato Rd. / Coral Ridge Dr. (26.39248, -80.22781)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 21.3969	Other (At-Grade) Single-Lane	1997	ICD estimated from Google Maps linework.
(unincorporated), FL Hillsborough Co. United States	Arbor Greene Dr. / Estuary Dr. (28.13597, -82.31768)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.5002	Other (At-Grade) Multilane (2 Lane, unspecified)	1997	Concentric circulatory roadway striping. ICD estimated from Google Maps linework.
(unincorporated), FL Hillsborough Co. United States	Arbor Wind Dr. / Shadow Branch Dr. / Quails Landing Ave. (28.13926, -82.31360)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.3823	Other (At-Grade) Multilane (2 Lane, unspecified)	1997	Concentric circulatory roadway striping. ICD estimated from Google Maps linework.
(unincorporated), FL Palm Beach Co. United States	Addison Reserve Blvd. / Addison Reserve Dr. (26.43289, -80.16342)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 66.3071	Other (At-Grade) Single-Lane	1997	Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), FL Palm Beach Co. United States	Addison Reserve Ct. / Laquila Way / Porlo Vecchio Pl. (26.43383, -80.16724)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.6395	Other (At-Grade) Single-Lane	1997	Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), FL Palm Beach Co. United States	Addison Reserve Dr. / Palencia Way / Trieste Pl. (26.42726, -80.16736)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.5723	Other (At-Grade) Single-Lane	1997	Functional Class: Local ICD estimated from Google Maps linework.
Wellington, FL Palm Beach Co. United States	Pierson Rd. / 120th Ave. S (26.63661, -80.23650)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 22.4190	Other (At-Grade) Single-Lane	1997	ICD estimated from Google Maps linework.
Tallahassee, FL Leon Co. United States	Planters Ridge Dr. / Virgil Rd. (30.43500, -84.19723)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.1307	Other (At-Grade) Single-Lane	1997	ICD estimated from Google Maps linework.
Jacksonville, FL Duval Co. United States	Deerwood Campus Pkwy. / (parking access) (30.25647, -81.54479)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.9807	Other (At-Grade) Single-Lane	1997	Functional Class: Local ICD estimated from Google Maps linework.
Carson City, NV Carson City Co. United States	Northridge Dr. / Spooner Dr. (39.18150, -119.74896)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 99.9997	Other (At-Grade) Single-Lane	1997	Painted splitter islands on Northridge approaches. Year Completed estimated (1994-1999).
Carson City, NV Carson City Co. United States	Northridge Dr. / Carriage Crest Dr. (39.18290, -119.75077)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	1997	Year Completed estimated (1994-1999).
Tampa, FL Hillsborough Co. United States	S Beneficial Dr. / Harbour Passage Way (27.93143, -82.44988)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	1997	Year Completed estimated (1995-1998).
South Scottsdale, AZ Maricopa Co. United States	N 76th Pl. / E Coolidge Ave. (33.50561, -111.91667)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 45.1104	Other (At-Grade) Single-Lane	1997	No splitter islands.
Little Rock, AR Pulaski Co. United States	Wellington Village Dr. / Loyola Dr. (34.76699, -92.43870)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	1997	Pedestrian crossings adjacent to circulatory roadway. Year Completed estimated (1994-2000).
Chesapeake Beach, MD Calvert Co. United States	Harrison Blvd. / Sansbury Dr. (38.69561, -76.55797)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	1997	Year Completed estimated (1993-2004).
Buck Lake, FL Leon Co. United States	Pedrick Rd. / Easton Glen Dr. / Countryside Dr. (30.45227, -84.18178)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.8600	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1994-1999).
Spring Hill, FL Hernando Co. United States	Wexford Blvd. / Billingham Blvd. (28.44547, -82.53505)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 73.1520	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1995-1998).
Ellicott City, MD Howard Co. United States	Lancelot Cross / Butterfruit Way / Argent Path / Stardust Ln. (39.28522, -76.90384)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.9120	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-2002).
Chesapeake, VA Chesapeake City United States	Warrington Blvd. / Great Marsh Ave. (36.74283, -76.21173)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, 2x1 max)	1998	Unstriped circulatory roadway. Year Completed estimated (1994-2002).
Marriottsville, MD Howard Co. United States	Sand Hill Rd. / Sand Hill Manor Dr. / Mount View Rd. (39.31018, -76.93043)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-2002).
Braden River, FL Manatee Co. United States	Glen Eagles Crossing / Warwick Gardens Ln. / Marlow Pl. / Heathfield Ct. (27.39999, -82.46689)	Other Existing	Unknown None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Single-Lane	1998	Pedestrian crossing within circulatory roadway.
Bradenton, FL Manatee Co. United States	96th St. E / 51st Terrace E (27.44937, -82.44575)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	1998	No splitter islands on east and west legs. Large undefined areas on north and south legs.
Houston, TX Harris Co. United States	Westwood Dr. / Huge Oaks St. (29.79887, -95.49113)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.8120	Other (At-Grade) Single-Lane	1998	Implemented as part of a larger neighborhood street reconstruction project that incorporated systematic traffic calming elements.
Houston, TX Harris Co. United States	Westwood Dr. / Pine Chase Dr. (29.79887, -95.48897)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.8120	Other (At-Grade) Single-Lane	1998	Implemented as part of a larger neighborhood street reconstruction project that incorporated systematic traffic calming elements.
West Jordan, UT Salt Lake Co. United States	S Cobble Ridge Dr. / W Castle Pines Way (40.62410, -111.98247)	Other Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 26.2883	Other (At-Grade) Single-Lane	1998	No splitter islands; unmarked pedestrian crossings through circulatory roadway. ICD estimated from Google Maps linework.
Severna Park, MD Anne Arundel Co. United States	East West Blvd. / Jumpers Hole Rd. / Adler Ct. (39.10765, -76.58306)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 65.5320	Other (At-Grade) Single-Lane	1998	Elliptical shape. ICD 225 ft x 200 ft. Year Completed estimated (1994-2002).
Aurora, ON York Canada	Hollandview Trl. / Woodruff Crescent / Hollidge Blvd. (44.01096, -79.45395)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0000	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1996-2002).
Aurora, ON York Canada	Hollidge Blvd. / John West Way (44.01147, -79.45102)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.0000	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1996-2002).
Gaithersburg, MD Montgomery Co. United States	Washingtonian Blvd. / Rio Blvd. (39.11678, -77.20122)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Year Completed estimated (1993-2002).
Gaithersburg, MD Montgomery Co. United States	Washingtonian Blvd. / Washington Blvd. (39.11773, -77.20314)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Year Completed estimated (1993-2002).
Hamilton, ON Hamilton Canada	Stonehenge Dr. / Thoroughbred Blvd. (43.21655, -79.95150)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.0000	Other (At-Grade) Single-Lane	1998	Year Completed estimated (before 2004).
Mount Pleasant, SC Charleston Co. United States	Park West Blvd. / Professional Ln. / (parking) (32.87348, -79.77707)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 59.4360	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Year Completed estimated (1995-1999).
Prince Frederick, MD Calvert Co. United States	Prince Frederick Blvd. / Chapline Place Blvd. (38.55239, -76.59551)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-2003). Initially constructed as two-lane roundabout with concentric striped circulatory roadway. Converted to single-lane roundabout 2007-2009.
Jacksonville, FL Duval Co. United States	Southside Blvd. SB Ramp / Southside Blvd. Service Rd. / Como Lake Dr. (30.21216, -81.55235)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 34.0593	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
Tallahassee, FL Leon Co. United States	Heritage Park / Piney Z Plantation Rd. (30.43901, -84.19810)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0102	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
Tallahassee, FL Leon Co. United States	Kerry Forest Pkwy. / Shannon Lakes Dr. (30.53631, -84.21499)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.6597	Other (At-Grade) Single-Lane	1998	Right turn bypass lane with acceleration lane. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Boca Raton, FL Palm Beach Co. United States	SE 5th Ave. / SE 3rd St. (26.34535, -80.07758)	Other Existing	Other Unknown	3 Approaches 0 Driveways 28.8976	Other (At-Grade) Single-Lane	1998	Previously controlled by circle ICD estimated from Google Maps linework.
(unincorporated), GA Gwinnett Co. United States	Meadow Park Dr. / Meadow Park Ln. / Meadow Bluff Ln. / Dovecote Trl. (34.06361, -84.10306)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 75.1945	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
(unincorporated), FL Brevard Co. United States	Weatherwood Dr. / Adelaide Dr. / Woodhall Cir. (28.28324, -80.72941)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.0698	Other (At-Grade) Single-Lane	1998	Painted splitter islands. 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.
(unincorporated), CO Douglas Co. United States	Fox Sparrow Rd. / Windhaven Dr. (39.43781, -104.73199)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.7495	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Goshawk St. / Tanager St. (39.97816, -104.74840)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.7104	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Goshawk St. / Crane St. (39.97920, -104.74729)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.7101	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Golden Eagle Pkwy. / Heron St. (39.97720, -104.74991)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 89.6910	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Goshawk St. / Goshawk Ct. / Heron Ln. (39.97633, -104.74956)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 58.5745	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Golden Eagle Pkwy. / Tanager St. (39.97858, -104.74845)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 84.1980	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Golden Eagle Pkwy. / Crane St. / Southern St. (39.97963, -104.74733)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 96.0941	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Nighthawk Pkwy. / Crane St. (39.98134, -104.74878)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 65.8914	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Nighthawk Pkwy. / Heron St. (39.98132, -104.75076)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 96.0917	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Windsor Mill, MD Baltimore Co. United States	Lord Baltimore Dr. / Wildlife Dr. (39.31993, -76.75019)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 14.7833	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-2002). ICD estimated from Google Maps linework.
Windsor Mill, MD Baltimore Co. United States	Lord Baltimore Dr. / Glen Spring Rd. / Kettle Ct. (39.31750, -76.75152)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 17.5558	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-2002). ICD estimated from Google Maps linework.
Springboro, OH Warren Co. United States	Settlers Walk Blvd. / Remick Blvd. / Stolle Dr. (39.57782, -84.21781)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 64.4378	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
Liberty Township, OH Butler Co. United States	Hughes Woods Ln. / Hughes Ridge Ln. (39.39099, -84.40464)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 43.3818	Other (At-Grade) Single-Lane	1998	No splitter islands. ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Scenic Dr. / Lookout Dr. (40.39773, -105.13528)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	1998	Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Loveland, CO Larimer Co. United States	Scenic Dr. / Foothills Dr. (40.39674, -105.13522)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	1998	Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Evergreen, CO Jefferson Co. United States	CR 65 / Bergen Pkwy. (39.69101, -105.36050)	Roundabout Existing	Unknown Unknown	3 Approaches 1 Driveways 26.6520	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
Calgary, AB Calgary Region Canada	Springbank Blvd. / Spring Mews (51.01849, -114.19630)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	1998
Montréal, QC Montréal Region Canada	Ave. Marie-Curie / Blvd. Alfred Nobel (45.48518, -73.76222)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.6801	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Completed November 1998. Functional Class: Collector ICD estimated from Google Maps linework.
Windsor, CT Hartford Co. United States	Hayden Station Rd. / Lancaster Dr. / Center St. (41.89280, -72.63409)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.8935	Other (At-Grade) Single-Lane	1998	Functional Class: Collector. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Windsor, CT Hartford Co. United States	Hayden Station Rd. / Pond Rd. (41.89371, -72.64065)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 24.0041	Other (At-Grade) Single-Lane	1998	Functional Class: Collector. Year Completed estimated (1992-2003). ICD estimated from Google Maps linework.
Windsor, CT Hartford Co. United States	Prospect Hill Rd. / Lang Rd. (41.89153, -72.69762)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 25.7830	Other (At-Grade) Single-Lane	1998	Located at entrance to industrial park. Year Completed estimated (1992-2004). ICD estimated from Google Maps linework.
Henderson (Seven Hills), NV Clark Co. United States	Grand Hills Dr. / Rio Secoo Golf Club (35.97713, -115.11100)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 74.4214	Other (At-Grade) Single-Lane	1998	Functional Class: Collector ICD estimated from Google Maps linework.
Towson, MD Baltimore Co. United States	MD 45 / MD 146 / Joppa Rd. / Allegheny Ave. (39.40185, -76.60230)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 47.9892	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Opened October 1998. Exit striping retrofitted to roundabout after opening. Hotdog/racetrack shape. ICD estimated from Google Maps linework. 21442
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.
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.
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.
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.
Truckee, CA Nevada Co. United States	Donner Pass Rd. / W. River St. / McIver Crossing (39.32510, -120.19200)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.1077	Other (At-Grade) Single-Lane	1998	Fatal crash. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
Port Orchard, WA Kitsap Co. United States	Mile Hill Dr. (Hwy 166) / Bethel Ave. (47.53467, -122.62730)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.7045	Other (At-Grade) Single-Lane	1998	Previously a Y Intersection. Opened June 1998. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA Humboldt Co. United States	West End Rd. / Spear Ave. / Saint Louis Rd. (40.88910, -124.08210)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.0866	Other (At-Grade) Single-Lane	1998	Functional Class: Arterial ICD estimated from Google Maps linework.
Greenbelt, MD Prince Georges Co. United States	Hanover Pkwy. / Village Park Dr. / Schrom Hills Community Park entrance (38.98378, -76.87333)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.4960	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1994-2001). ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	Hazel Dell Pkwy. / E 126th St. (39.97119, -86.07069)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x2 max)	1998
Carmel, IN Hamilton Co. United States	Hazel Dell Pkwy. / E 131st St. (39.97845, -86.07054)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x2 max)	1998	Built in late 1990s.Converted to multilane 2010-2012. Right-turn-only lane on west leg; left-turn-only lane on east leg.
Davis, CA Yolo Co. United States	5th St. / Cantrill Dr. (38.55160, -121.72010)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.9547	Other (At-Grade) Single-Lane	1998	Police station on SW corner. Date estimated. ICD estimated from Google Maps linework.
Mount Pleasant, SC Charleston Co. United States	Rifle Range Rd. / Bowman Rd. (Veterans Circle) (32.80469, -79.84284)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.1197	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1994-2002) ICD estimated from Google Maps linework.
Denver, CO Denver Co. United States	E. Lowry Blvd. / N. Uinta Way (39.71986, -104.89070)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.5258	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	ICD estimated from Google Maps linework.
Denver, CO Denver Co. United States	E. Lowry Blvd. / Yosemite St. (39.72373, -104.88400)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 51.4416	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	ICD estimated from Google Maps linework.
Boynton Beach, FL Palm Beach Co. United States	Hagen Ranch Rd. / Charleston Shores Blvd. (26.56520, -80.15560)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 23.5012	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
Delray Beach, FL Palm Beach Co. United States	Lake Ida Rd. / Via Flora Dr. (26.46919, -80.13670)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.5900	Other (At-Grade) Single-Lane	1998	Fatal crash January 28, 2005. 11861-05. ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	S. Golden Rd. / Johnson Rd. / 16th St. (39.74207, -105.20060)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.6526	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	S. Golden Rd. / Lunnonhaus Dr. (39.74062, -105.19840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Small two-lane roundabout but with nontraversable central island.
Golden, CO Jefferson Co. United States	S. Golden Rd. / Utah St. (39.73919, -105.19620)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.8782	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	S. Golden Rd. / Ulysses St. (39.73771, -105.19390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.5734	Other (At-Grade) Single-Lane	1998	Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Main entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	Horizon Dr. / 12th St. (39.10165, -108.55234)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 39.6240	Other (At-Grade) Single-Lane	1998	Bicycle-only (bike-only) driveway into circulatory roadway in northeast quadrant, leading into bicycle (bike) roundabout.
Orlando, FL Orange Co. United States	N. Westmoreland Dr. / S. Lake Adair Blvd. (28.55947, -81.39339)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.0291	Other (At-Grade) Single-Lane	1998	Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints; skewed Functional Class: Collector? ICD estimated from Google Maps linework.
The Villages, FL Sumter Co. United States	Buena Vista Blvd. / Glenview Rd. / El Camino Real (28.95271, -82.00076)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 71.0641	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	ICD estimated from Google Maps linework.
Denver, CO Denver Co. United States	N. Uinta Way / E. 6th Ave. Pkwy. (39.72570, -104.89200)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 51.4401	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
The Villages, FL Sumter Co. United States	Morse Blvd. / El Camino Real / Paige Pl. (28.94803, -81.95540)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 68.9771	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	ICD estimated from Google Maps linework.
Denver, CO Denver Co. United States	E. Lowry Blvd. / E Fairmount Dr. / Rampart Way (39.71718, -104.89580)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.6091	Other (At-Grade) Multilane (2 Lane, unspecified)	1998	ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	1700 North / 1730 North / 1500 West (40.25650, -111.68530)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.4324	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	1730 North / 1740 West (40.25703, -111.68890)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.3437	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.