Roundabouts Database Index

28859 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
Chalco, NE Sarpy Co. United States	Meadows Pkwy. / Meadow Ridge Rd. (41.17162, -96.13438)	Other Existing	Other None	3 Approaches 1 Driveways 82.6008	Other (At-Grade) Single-Lane	1979	Mix of stop and yield control on entry.
Chakto Mukh, Phnom Penh Chamkar Mon Cambodia	Preah Suramarit Blvd. / Preah Sisowath Quay / Koh Pich St. / National Assembly St. (11.55666, 104.93522)	Other Existing	Uncontrolled None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Chagrin Valley, OH Cuyahoga Co. United States	Gates Mills Blvd. / Fairmount Blvd. / Lander Rd. (41.49193, -81.46312)	Other Existing	Unknown Unknown	6 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Chagrin Valley, OH Cuyahoga Co. United States	Som Center Rd. / Gates Mill Blvd. / Woodhark Dr. (41.50843, -81.43827)	Other Existing	Unknown Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Chagrin Valley, OH Cuyahoga Co. United States	Norvale Cir. E / Surrey Pl. / Carriage Pl. (41.51117, -81.42208)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		Raindrop shaped.
Chadds Ford, PA Delaware Co. United States	Hillman Dr. / Evergreen Pl. / (parking) (39.87555, -75.54884)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2015	Year Completed estimated (2011-2017).
Cestona, Basque Country Guipúzcoa Spain	GI-631 / Arroa Behea / E-5 Ramps (43.26862, -2.27104)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 59.1361	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Cesson-Sévigné, Brittany Ille-et-Vilaine France	Rond-Point de la Boulaie (Boulevard des Alliés / Avenue de la Boulaie) (48.12348, -1.62086)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 67.7660	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Cesson-Sévigné, Brittany Ille-et-Vilaine France	Rond-Point de la Vilaine (Boulevard des Alliés / Avenue des Preales) (48.11146, -1.62157)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 92.5023	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Cessnock, NSW Cessnock Australia	Wollombi Rd. / Darwin St. (-32.83357, 151.35240)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Cessnock, NSW Cessnock Australia	Quorrobolong Rd. / Edgeworth St. (-32.84277, 151.35479)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Cervo, Galicia Lugo Spain	N-642 / Calle Viladesuso (43.67558, -7.42482)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 43.1906	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Ceres, CA Stanislaus Co. United States	North St. / 4th St. (37.59167, -120.95337)	Roundabout Removed	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	2018	Originally constructed in 2004 as single-lane roundabout. Replaced with all-way stop in 2017-2018.
Ceres, CA Stanislaus Co. United States	5th St. / Lawrence St. (37.59013, -120.95220)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.6595	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Ceres, CA Stanislaus Co. United States	Morgan Rd. / Aristocrat Dr. (37.59034, -120.97537)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2019	Raised crosswalks. Year Completed estimated (2018-2019).
Ceres, CA Stanislaus Co. United States	N Central Ave. / Pine St. / (parking lot) (37.58596, -120.95688)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4465	Other (At-Grade) Single-Lane	2019	ICD estimated from Google Maps linework.
Ceres, CA Stanislaus Co. United States	Helen Perry Rd. / Eastgate Blvd. (37.60202, -120.92512)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2005	Initial construction without splitter islands around 2005. Converted into roundabout with splitter islands 2006-2009.
Ceres, CA Stanislaus Co. United States	El Camino Ave. / Park St. / Pine St. (37.58840, -120.95189)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2021	Striped out shoulders on outside of each entry lane. https://www.cerescourier.com/news/local/pine-street-roundabout-work-starts/
Centreville, MD Queen Anne's Co. United States	Symphony Way / Orchestra Pl. (39.02501, -76.06785)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Centreville, IL St. Clair Co. United States	SR 13 / SR 157 (38.55853, -90.09956)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2008
Centreville, MD Queen Anne's Co. United States	MD 304 (Ruthsburg Rd.) / US 301 NB Ramps (39.02731, -76.02541)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.1124	Freeway Ramps (Grade-Separated) Single-Lane	2017	https://www.calvertbeacon.com/opening-new-us-301md-304-interchange/ ICD estimated from Google Maps linework.
Centreville, MD Queen Anne's Co. United States	MD 304 (Ruthsburg Rd.) / US 301 SB Ramps / Tidewater Dr. (39.02813, -76.02920)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.2563	Freeway Ramps (Grade-Separated) Single-Lane	2017	https://www.calvertbeacon.com/opening-new-us-301md-304-interchange/ ICD estimated from Google Maps linework.
Centralville, MA Middlesex Co. United States	Hunts Falls Bridge / VFW Hwy Ramps (42.64822, -71.29907)	Rotary Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 108.9292	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Rotary interchange. ICD estimated from Google Maps linework.
Central Sefton, England Sefton United Kingdom	A565 (The Bypass - Moor Ln.) / Oaklands Ave. / The Northern Rd. (53.49353, -3.02199)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Central Sefton, England Sefton United Kingdom	Bull Bridge Ln. / Altway (53.48174, -2.93155)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Central Sefton, England Sefton United Kingdom	Mersey Rd. / Bridge Rd. / Warren Rd. (53.48446, -3.04053)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island		Mariners Rd. intersects the Warren Rd. approach.
Central Sefton, England Sefton United Kingdom	School Ln. / Wango Ln. / Bull Bridge Ln. (53.47939, -2.93322)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Central Sefton, England Sefton United Kingdom	Hall Ln. / Damfield Ln. (53.50772, -2.93801)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Central Sefton, England Sefton United Kingdom	A565 (Formby Bypass) / B5424 (Liverpool Rd.) (53.54428, -3.04817)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Central Sefton, England Sefton United Kingdom	A565 (Southport Rd.) / A5758 (Broom's Cross Rd.) (53.50463, -3.00192)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Central Sefton, England Sefton United Kingdom	Manor Rd. / Saint Michael's Rd. (53.49681, -3.03580)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Central Saanich, BC Capital Regional District Canada	West Saanich Rd. / Verdier Ave. (48.57791, -123.44920)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.2854	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2004-2009). ICD estimated from Google Maps linework.
Central Point, OR Jackson Co. United States	Taylor Rd. / Silver Creek Dr. (42.37467, -122.92876)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.0579	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Central Oahu Regional Park, HI Oahu Co. United States	Ka Uka Blvd. / Waipio Uka St. (21.41762, -158.00730)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1385	Other (At-Grade) Single-Lane	2002	Completed prior to 2006 Construction stage aerial in Google Earth. Functional Class: Park Road ICD estimated from Google Maps linework.
Central Coast, NSW Central Coast Australia	B70 (Wallarah Rd.-Sparks Rd.) / Pacific Hwy. (-33.25209, 151.48957)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Central Coast, NSW Central Coast Australia	Scenic Hwy. / Charles Kay Dr. (-33.44871, 151.43020)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Central Coast, NSW Central Coast Australia	B74 (Wyong Rd.) / M1 (Pacific Motorway) SB Ramps (-33.30498, 151.40310)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Central Coast, NSW Central Coast Australia	B70 (Sparks Rd.) / Mountain View Dr. / Warnervale Rd. (-33.24976, 151.48273)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Central Coast, NSW Central Coast Australia	B74 (Wyong Rd.) / Geoffrey Rd. (-33.32411, 151.42776)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Central City, CA Orange Co. United States	S Pacific Ave. / W Walnut St. (33.74449, -117.88842)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.8071	Other (At-Grade) Single-Lane		Painted splitter islands. ICD estimated from Google Maps linework.
Central Banjarmasin, South Kalimantan Banjarmasin Indonesia	Jalan Suprapto / Jalan Merdeka / Jalan MT Haryono (-3.32059, 114.59036)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways	Other (At-Grade) Unknown
Central Banjarmasin, South Kalimantan Banjarmasin Indonesia	AH150 (Jalan S Parman - Jalan Asf Mustaffa) / Jalan Suprapto (-3.31669, 114.59014)	Unknown Existing	Unknown None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Central, England Liverpool United Kingdom	A59 (Byrom St. - Queensway Entrance) / Old Haymarket / Victoria St. / William Brown St. (53.40945, -2.98268)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Centerville, UT Davis Co. United States	N 1250 W / W Legacy Crossing Blvd. (40.92015, -111.89691)	Signalized Roundabout/Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013). West leg added 2014-2015.
Center Valley, PA Lehigh Co. United States	Preston Ln. / (school entrances) (40.53579, -75.40111)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2020).
Center City, MN Chisago Co. United States	US 8 (Lake Blvd.) / Pleasant Valley Rd. (45.38276, -92.79510)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2020).
Centennial, CO Arapahoe Co. United States	S Peoria St. / E Peakview Ave. (39.59674, -104.84809)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8116	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Celje, Celje Slovenia	SR 5 / Medlog (46.24734, 15.22760)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Celje, Celje Slovenia	SR 5 / Medlog (north) (46.25594, 15.21671)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Celje, Celje Slovenia	SR 5 / Priključek Lopata / A1 EB Ramps (46.26128, 15.21860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Celje, Celje Slovenia	SR 5 / A1 WB Ramps (46.26443, 15.21878)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Celina, TX Collin Co. United States	Choate Pkwy. / Kinship Pkwy. (33.29258, -96.76976)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2021	Interim scenario - ultimate lane configuration striped out on initial build.
Celina, TX Collin Co. United States	Punk Carter Pkwy. / Kinship Pkwy. (33.28419, -96.76992)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2018
Celina, TX Collin Co. United States	W Ownsby Pkwy. / Etta Terrace (33.27912, -96.78895)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.2440	Other (At-Grade) Single-Lane	2020
Celebration Pointe, FL St. Lucie Co. United States	Celebration Dr. / Merriment Way (27.43158, -80.37878)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Celebration Pointe, FL St. Lucie Co. United States	Celebration Dr. / Imagination Dr. (27.43337, -80.37969)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Celebration, FL Osceola Co. United States	Celebration Blvd. / Future Way (28.30090, -81.56698)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022
Celebration, FL Osceola Co. United States	Celebration Blvd. / Thoreau Dr. (28.30023, -81.57127)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2019	Year Completed estimated (2019-2020). Opened as 2x2; restriped to 2x1 in 2021.
Cegléd, Pest Ceglédi járás Hungary	SR 311 (Jászberényi út) / Malomtó szél (47.18167, 19.80062)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Ceduna, SA Ceduna Australia	McKenzie St. / Murat Terrace (-32.12594, 133.67654)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cedarburg, WI Ozaukee Co. United States	STH 60 / Granville Rd. (CR Y) (43.32226, -88.04448)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2020). https://www.rasmith.com/projects/wis-60-eagle-drive-to-wis-181/
Cedarburg, WI Ozaukee Co. United States	Wauwatosa Rd. / Western Rd. (43.29349, -88.00431)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.7717	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Cedarburg, WI Ozaukee Co. United States	Wauwatosa Rd. / Bridge St. (43.30078, -88.00444)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.1600	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Cedar Road Corridor, OH Cuyahoga Co. United States	Warrensville Center Rd. / Fairmount Blvd. / University Blvd. / John Carroll Blvd. / N Park Blvd. (41.48648, -81.53627)	Signalized Roundabout/Circle Existing	Signal Unknown	8 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (3+ Lane)		Hamburger shaped.
Cedar Rapids, IA Linn Co. United States	Kirkwood Blvd. / Woodstone Ln. SW (41.89597, -91.65653)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2021-2022).
Cedar Rapids, IA Linn Co. United States	Johnson Ave. NW / Jacolyn Dr. NW (41.96894, -91.73181)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	Year Completed estimated (2019-2020).
Cedar Rapids, IA Linn Co. United States	6th St. SW / (parking) (41.90137, -91.67614)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2021-2022).
Cedar Rapids, IA Linn Co. United States	16th Ave. SE / 5th St. SE (41.97092, -91.65498)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2017-2019).
Cedar Rapids, IA Linn Co. United States	1st Ave. NW / Wiley Blvd. (41.96746, -91.72573)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2022
Cedar Rapids, IA Linn Co. United States	E Ave. NW / Ellis Blvd. NW / 6th St. NW (41.97796, -91.68196)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-lane w/ Traversable Central Island	2023	At-grade rail crossing approximately 200 feet east of roundabout. https://www.thegazette.com/news/ellis-boulevard-extension-opens-to-traffic-in-northwest-cedar-rapids/
Cedar Rapids, IA Linn Co. United States	Kirkwood Blvd SW. / S School Access Rd. (41.89988, -91.65658)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6698	Other (At-Grade) Single-Lane	2017	http://www.cedar-rapids.org/local_government/departments_g_-_v/public_works/kirkwood_blvd_sw.php ICD estimated from Google Maps linework.
Cedar Rapids, IA Linn Co. United States	Tower Rd. SW / Training Rd. (41.91459, -91.65437)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.7725	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Cedar Rapids, IA Linn Co. United States	Johnson Ave. NW / Wiley Blvd. NW (41.97123, -91.72580)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 22.1990	Other (At-Grade) Single-Lane	2018	http://www.cedar-rapids.org/local_government/departments_g_-_v/public_works/johnson_avenue_nw.php ICD estimated from Google Maps linework.
Cedar Rapids, IA Linn Co. United States	Stoney Point Rd. NW / E Ave. NW (41.97858, -91.75502)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019	https://kwwl.com/2019/08/16/stoney-point-rd-reopens-after-months-welcoming-cedar-rapids-4th-roundabout/
Cedar Rapids, IA Linn Co. United States	Williams Blvd. / Dean Rd. (41.94231, -91.74776)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2020	Year Completed estimated (2019-2020). https://www.kcrg.com/2020/09/18/cedar-rapids-woman-faces-traffic-charges-after-overturning-her-van-on-williams-boulevard/
Cedar Park, TX Travis Co. United States	Twin Creeks Club Dr. / Ebbsfleet Dr. / Dervingham Dr. (30.46788, -97.84923)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1995-2002).
Cedar Park, TX Williamson Co. United States	Alamo Plaza Dr. / Enchanted Rock Dr. (30.53461, -97.82527)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 70.1040	Other (At-Grade) Single-Lane	2011	Diamond shaped. Pedestrian access to central island; no splitter islands.
Cedar Park, TX Williamson Co. United States	Bull Creek Pkwy. / Big Bend Dr. (30.53052, -97.82754)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2005
Cedar Park, TX Williamson Co. United States	Palo Duro Dr. / Hill Country Dr. (30.53198, -97.82604)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2004
Cedar Park, TX Williamson Co. United States	Discovery Blvd. / Main St. (30.52920, -97.82161)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2004	Partially completed between 2002-2005, third leg added in 2009. Completed in 2015.
Cedar Park, TX Williamson Co. United States	Big Spring Dr. / Colorado Bend Dr. (30.53151, -97.82338)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4310	Other (At-Grade) Single-Lane	2004
Cedar Park, TX Williamson Co. United States	Lynnwood Trl. / E Park St. (30.51423, -97.81197)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2002	Minimal splitter islands on two legs.
Cedar Park, TX Williamson Co. United States	Crockett Rd. / Truman Ln. (30.51700, -97.80960)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6710	Other (At-Grade) Single-Lane	2002	Minimal splitter islands.
Cedar Park, TX Williamson Co. United States	Discovery Blvd. / Central Park Dr. / (parking access road) (30.52554, -97.82136)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2004	Right-turn bypass lane on south leg. Year Completed estimated (2002-2005).
Cedar Park, TX Travis Co. United States	Grand Oaks Loop / Abbotsbury Dr. (30.45421, -97.85857)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Cedar Park, TX Travis Co. United States	Grand Oaks Loop / Twin Creeks Club Dr. (30.45940, -97.85709)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Cedar Lake Township, MN Scott Co. United States	TH 19 / CSAH 23 / CSAH 86 (44.54387, -93.44223)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0071	Other (At-Grade) Single-Lane	2010	Right-turn bypass lane in southwest quadrant. Realigned four 2-way stop intersections into single roundabout. ICD estimated from Google Maps linework.
Cedar Lake Township, MN Scott Co. United States	SH 13 (Langford Ave.) / CR 2 (260th St.) (44.57259, -93.50546)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.9429	Other (At-Grade) Single-Lane	2005	Rural location, intersection of two 55-mph facilities. Previous 2-way stop had 2 fatal crashes and 50 injury crashes in 5 years. Opened to traffic in September 2005. During 12 months after opening, 1 reported crash involving single motorcycle running off road. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Cedar Lake, IN Lake Co. United States	Lake Shore Dr. / Cline Ave. (41.38527, -87.43120)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://cedarlakein.org/blog-post/cline-lake-shore-drive-roundabout-update-05-27-20/
Cedar Hills, UT Utah Co. United States	Cottonwood Dr. / Nielsen Blvd. / N Ironwood Dr. / Bayhill Dr. (40.42261, -111.75720)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2006).
Cedar Hills, UT Utah Co. United States	W Cedar Hills Dr. / N 4600 W (40.41553, -111.76866)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.9193	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Greenhill Rd. (42.50253, -92.47488)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.9817	Other (At-Grade) Single-Lane	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=922&ARC=2213 ICD estimated from Google Maps linework.
Cedar Falls, IA Blackhawk Co. United States	Cedar Heights Dr. / Viking Rd. (42.48899, -92.41638)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2007	Right-turn-only lane on west leg. Intersection relocated from T-intersection to the south. Opened November 2007.
Cedar Falls, IA Black Hawk Co. United States	Brandilynn Blvd. / Prairie Pkwy. (42.48552, -92.43468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.2763	Other (At-Grade) Single-Lane	2009	In new commercial development. Functional Class: Local ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	W Ridgeway Ave / Chancellor Dr (42.47011, -92.45341)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.4535	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Waterloo Rd. (42.51304, -92.42713)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.8558	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Holiday Rd. (42.51304, -92.43342)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.7362	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Boulder Dr. (42.51312, -92.43821)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.4202	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / SR 27-SR 58 SB Ramps (42.51311, -92.44391)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.8558	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	Raindrop shape. http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / SR 27-SR 58 NB Ramps (42.51311, -92.44268)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.4202	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	Raindrop shape. http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.