Roundabouts Database Index

30614 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
Ingersoll, ON Oxford Canada	Plank Line (Hwy 19) / Hwy 401 EB Ramps (43.02638, -80.85271)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.0000	Freeway Ramps (Grade-Separated) Single-Lane	2017	Merging right-turn bypass lanes on southwest and southeast legs.
Ingersoll, ON Oxford Canada	Plank Line (Hwy 19) / Harris St. (Hwy 119) / Hwy 401 WB Ramps (43.02839, -80.85549)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.0000	Freeway Ramps (Grade-Separated) Single-Lane	2017	Merging right-turn bypass lanes on northwest and northeast legs.
West Jordan, UT Salt Lake Co. United States	W 8600 S / 6000 W (40.59520, -112.03394)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2015-2016).
Kaysville, UT Davis Co. United States	S Angel St. / Smith Ln. (41.02160, -111.96155)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2007
Birmingham, AL Jefferson Co. United States	Cotton Ave. SW / Tuscaloosa Ave. SW / (parking) (33.49569, -86.84738)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2014
Watford City, ND McKenzie Co. United States	12th St. SE / 6th Ave. SE (47.79584, -103.26239)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Findlay, OH Hancock Co. United States	Lima Ave. / US 68-SR 15 EB On-ramp / I-75 Off-ramp (41.02305, -83.66838)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2019	https://socialfindlay.com/lima-ave-roundabout/
Findlay, OH Hancock Co. United States	Lima Ave. / US 68-SR 15 WB Off-ramp / I-75 On-ramp (41.02393, -83.66688)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2019	https://socialfindlay.com/lima-ave-roundabout/
Norman, OK Cleveland Co. United States	Corporate Centre Dr. / (unknown) (35.25055, -97.47797)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2014-2015).
Norwood Young America, MN Carver Co. United States	CR 33 / CR 34 (44.78632, -93.92955)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	https://www.co.carver.mn.us/departments/public-works/projects-studies/highway-33-34-roundabout-project
Mayer, MN Carver Co. United States	STH 25 (Mayer Blvd.) / 7th St. / 62nd St. (44.89120, -93.88554)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2015	Skewed intersection. https://www.hometownsource.com/sun_patriot/mayer-premieres-new-roundabout-on-hwy-25/article_fdc7a910-4598-58ad-a60c-967e9892573b.html
Prior Lake, MN Scott Co. United States	CR 12 / Fish Point Rd. (44.70864, -93.41052)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2014
Credit River Township, MN Scott Co. United States	Texas Ave. / 190th St. E (44.67421, -93.37938)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2017
Pine Island, MN Goodhue Co. United States	CR 11 / E Frontage Rd. / US 52 WB Ramps (44.20482, -92.63406)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 57.9120	Freeway Ramps (Grade-Separated) Single-Lane	2014	Year Completed estimated (2014 - streetview).
Fishers, IN Hamilton Co. United States	E 96th St. / Sargent Rd. (39.92707, -86.00638)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	Open June 8, 2020. https://twitter.com/DriveFishers/status/1270045736265297922
Hagerstown, MD Washington Co. United States	Robinwood Dr. / Academic Blvd. / Youngstoun Dr. (39.62804, -77.66541)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	https://www.heraldmailmedia.com/news/local/robinwood-drive-to-reopen-next-month-but-roundabout-questioned/article_95edc272-8319-5f1a-a05d-cfb62ada2f8f.html
Prairieville, LA Ascension Par. United States	Timberstone Dr. / Devall Rd. / Tigers Eye Stone Ave. (30.29926, -90.89318)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2008
Blackman Township, MI Jackson Co. United States	Cooper St. / I-94 WB Ramps (42.27376, -84.40371)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2019	https://www.mlive.com/news/jackson/2019/12/take-a-ride-on-new-i-94-cooper-street-bridge-roundabouts-after-9-month-closure.html
Blackman Township, MI Jackson Co. United States	Cooper St. / I-94 EB Ramps (42.27098, -84.40380)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2019	https://www.mlive.com/news/jackson/2019/12/take-a-ride-on-new-i-94-cooper-street-bridge-roundabouts-after-9-month-closure.html
Sherbrooke, QC Sherbrooke Canada	Boulevard René-Lévesque / Rue Matisse / Rue Luce-Dufresne (45.38324, -71.99812)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018
Sherbrooke, QC Sherbrooke Canada	Boulevard René-Lévesque / Rue Sainte Claire / Rue Magnelli (45.38799, -71.99469)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018
North Mankato, MN Nicollet Co. United States	Lookout Dr. / US 14 EB Ramps (44.18021, -94.05378)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2016	Year Completed estimated (2015-2017).
North Mankato, MN Nicollet Co. United States	Lookout Dr. / US 14 WB Ramps (44.18184, -94.05374)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2016	Year Completed estimated (2015-2017).
Mankato, MN Nicollet Co. United States	Rockford Rd. (CR 41) / Pleasant View Dr. / 520th St. (44.18361, -94.06988)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2015).
North Mankato, MN Nicollet Co. United States	Rockford Rd. (CR 41) / US 14 EB Ramps (44.18520, -94.06893)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	Raindrop shape. Year Completed estimated (2011-2015).
North Mankato, MN Nicollet Co. United States	Rockford Rd. (CR 41) / W Howard Dr. / US 14 WB Ramps (44.18763, -94.06758)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	Double-left-turn on west leg. Year Completed estimated (2011-2015).
Mankato, MN Blue Earth Co. United States	CR 12 (586th Ave.) / Hoffman Rd. (44.15578, -93.93909)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2015-2019).
Mankato, MN Blue Earth Co. United States	Hoffman Rd. / Prairie Winds Dr. (44.15592, -93.94483)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2015-2019).
Buffalo, MN Wright Co. United States	8th St. NE / 20th St. NE / Calder Ave. NE (45.17995, -93.84729)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Single-Lane	2016	http://co.wright.mn.us/CivicAlerts.aspx?AID=559&ARC=1045
Oroville, CA Butte Co. United States	SR 191 (Clark Rd.) / Durham Pentz Rd. (39.64733, -121.63448)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	Painted splitter islands and truck apron; gravel inside the center island. Year Completed estimated (2018-2019).
Carmel, IN Hamilton Co. United States	N Range Line Rd. / Lowes Way (39.99193, -86.12728)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Unknown	2020	New roundabout opened for connection to the new Lowes Way extension (will connect to the new overpass to the east over Keystone). https://www.hamiltoncounty.in.gov/881/Lowes-Way-Connection---Phase-2 . https://twitter.com/HamcoIndiana/status/1254047807759097859
Lincoln, NE Lancaster Co. United States	S 32nd St. / Zermatt Dr. (40.74172, -96.67376)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 28.9560	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002).
Lincoln, NE Lancaster Co. United States	S 90th St. / Red Sky Ln. (40.81189, -96.59797)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Lincoln, NE Lancaster Co. United States	N 66th St. / Fremont St. (40.84863, -96.63043)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2018	Year Completed estimated (2018-2019).
Tallahassee, FL Leon Co. United States	Weems Rd. / Dartmouth Dr. (30.45770, -84.22234)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.5903	Other (At-Grade) Single-Lane	2020	ICD estimated from Google Maps linework.
Troy, AL Pike Co. United States	University Ave. / Luther Dr. (31.79906, -85.95933)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2010-2011). Luther Dr is called International Blvd on Google Maps. ICD estimated from Google Earth.
Kissimmee, FL Osceola Co. United States	Dyer Blvd. / Eagle's Reserve Blvd. (28.34353, -81.43096)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, unspecified)	2008
La Quinta, CA Riverside Co. United States	Eisenhower Dr. / Calle Sinaloa (33.67254, -116.30801)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2014	Elliptical shape. ICD = 125 ft x 105 ft. Year Completed estimated (2013-2014).
Fort Pierce, FL St. Lucie Co. United States	S Indian River Dr. / Citrus Ave. (27.44443, -80.32228)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 25.9080	Other (At-Grade) Single-Lane	2007	Driveway added 2019.
Las Vegas, NV Clark Co. United States	Mesa Park Dr. / S Town Center Dr. (36.09061, -115.32584)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2006
Las Vegas, NV Clark Co. United States	Mesa Park Dr. / W Russell Rd. (36.08370, -115.32039)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2007-2008). Fourth leg added 2014-2015. 21442
Las Vegas, NV Clark Co. United States	W Russell Rd. / Cascante Rd. / (school access) (36.08448, -115.31799)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Single-Lane	2008	Two legs completed 2007-2008. Third leg added 2011-2012. School access added 2012-2014. 21442
Las Vegas, NV Clark Co. United States	Mesa Park Dr. / Sky Post Rd. / Sky Post Way (36.07500, -115.31850)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 65.5320	Other (At-Grade) Single-Lane	2016
Las Vegas, NV Clark Co. United States	S Hualapai Way / Regency Summit Ave. (36.06702, -115.31516)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 65.5320	Other (At-Grade) Single-Lane	2016	Right-turn-only lane on north leg.
Las Vegas, NV Clark Co. United States	W Maule Ave. / Trail Ridge Dr. (36.06289, -115.30960)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 65.5320	Other (At-Grade) Single-Lane	2016
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).
Nampa, ID Canyon Co. United States	Robinson Rd. / E Victory Rd. (43.57596, -116.49388)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019).
Dover, NH Strafford Co. United States	US 4 (Boston Harbor Rd.) / Boston Harbor Rd. / Spur Rd. (43.12836, -70.84375)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2019
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
Gurnee, IL Lake Co. United States	Almond Rd. / Dada Dr. (42.37601, -87.98463)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2018	https://www.gurnee.il.us/government/departments/community-development/engineering/almond-and-dada-intersection
Truckee, CA Nevada Co. United States	Donner Pass Rd. / Stockrest Spring Rd. (39.33476, -120.17472)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 1 Driveways 0.0000	Other (At-Grade) Unknown	2019
Brownsburg, IN Hendricks Co. United States	Hornaday Rd. / CR 300N (39.80708, -86.38169)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019
Brownsburg, IN Hendricks Co. United States	Airport Rd. (CR 400N) / Northfield Dr. (39.82194, -86.37069)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019
Iowa City, IA Johnson Co. United States	Sycamore St. / Lehman Ave. (41.62058, -91.51211)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016).
Jefferson City, MO Cole Co. United States	Leslie Blvd. / Stadium Blvd. / Lafayette St. (38.56052, -92.17668)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2009-2010).
Jefferson City, MO Cole Co. United States	Ellis Blvd. / Tanner Bridge Rd. (38.55085, -92.18866)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2011	Elliptical shape. ICD = 135 ft x 125 ft. Skewed intersection. Right-turn bypass lane due to skew on west leg. Year Completed estimated (2010-2011).
Jefferson City, MO Cole Co. United States	W Stadium Blvd. / Hard Rock Dr. / (parking lot) (38.57584, -92.21602)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	Add-lane right-turn bypass lane on north leg; yield-controlled right-turn bypass lane on west leg.
Jefferson City, MO Cole Co. United States	W Stadium Blvd. / Hyde Park Rd. / (future street) (38.57733, -92.21556)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2010	Fourth leg stubbed.
London, ON Middlesex Canada	Raleigh Blvd. / Tillmann Rd. (42.93469, -81.30829)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 110.0000	Other (At-Grade) Single-Lane	2010	completed 2010 based on Google historical aerials
London, ON Middlesex Canada	Morgan Ave. / Morgan Crescent / Singleton Ave. (42.93441, -81.27261)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2009-2011). Splitter islands added 2015.
London, ON Middlesex Canada	Singleton Ave. / Morgan Ave. (42.93793, -81.27158)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 35.0000	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2012).
London, ON Middlesex Canada	Evans Blvd. / Meadowgate Blvd. (42.95077, -81.17398)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2006-2009).
London, ON Middlesex Canada	Meadowgate Blvd. / Reardon Blvd. (42.96234, -81.18034)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 35.0000	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2006).
London, ON Middlesex Canada	Coronation Dr. / Carriage Way (42.99640, -81.32622)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2006
London, ON Middlesex Canada	Coronation Dr. / Lawson Rd. (42.99659, -81.32142)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2006-2009).
London, ON Middlesex Canada	Brunswick Ave. / Coronation Dr. (42.99836, -81.32060)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2006
London, ON Middlesex Canada	Callingham Dr. / Meadowlands Way (43.03489, -81.29534)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2010-2013). Splitter islands added 2016-2019. (streetview) 21442
Waterloo, ON Waterloo Canada	Davenport Rd. / Old Abbey Rd. / (shopping center) (43.49957, -80.52551)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.0000	Other (At-Grade) Single-Lane	2012	Right-turn-only leg on north leg. Year Completed estimated (2011-2012).
Waterloo, ON Waterloo Canada	Conestoga Rd. / Kraus Dr. (43.49983, -80.52906)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2009	Add lane right-turn bypass lane on west leg.
Waterloo, ON Waterloo Canada	Hagey Blvd. / Frank Trompa Dr. (43.47734, -80.54814)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2003	Year Completed estimated (before 2005).
Waterloo, ON Waterloo Canada	Columbia St. W / Bennington Gate / Chancery Ln. (43.46485, -80.57403)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Year Completed estimated (2016-2018).
China Grove, NC Rowan Co. United States	NC 152 / I-85 NB Ramps (35.57201, -80.55686)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2019	Year Completed estimated (2019-2020).
China Grove, NC Rowan Co. United States	NC 152 / I-85 SB Ramps (35.57221, -80.55946)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 46.6294	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2019	ICD estimated from Google Maps linework.
Framingham, MA Middlesex Co. United States	Natick Mall Rd. / Flutie Pass (42.30175, -71.38765)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.1502	Other (At-Grade) Single-Lane	2007	Right-turn-only lanes on north and west legs. Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Natick, MA Middlesex Co. United States	Natick Mall Rd. / Nouvelle Way / (parking lots/garage) (42.30232, -71.38495)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 35.3330	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Fifth leg added 2017-2018. ICD estimated from Google Maps linework. 21442
Natick, MA Middlesex Co. United States	Natick Mall Rd. / (parking lots) (42.30191, -71.38212)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.7334	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Fitchburg, MA Worcester Co. United States	Electric Ave. / Rollstone Rd. / Rollstone St. (42.56713, -71.81346)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 17.5921	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	https://www.sentinelandenterprise.com/2017/04/29/work-on-roundabout-at-rollstone-road-and-electric-ave-in-fitchburg-begins-monday-will-require-detour/ ICD estimated from Google Maps linework.
St Johns, FL St. Johns Co. United States	SR 13 / Rafter Tail Ln. (30.01773, -81.63293)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.2630	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
St Johns, FL St. Johns Co. United States	Rivertown Main St. / Orange Branch Trl. (30.03383, -81.62536)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.0190	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Youngsville, LA Lafayette Par. United States	Chemin Metarie Pkwy. / Viaulet Rd. (30.07649, -91.95547)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.2403	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2012-2014). ICD estimated from Google Maps linework.
Youngsville, LA Lafayette Par. United States	Fortune Rd. / Bonin Rd. (30.12382, -92.00743)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.5852	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Homer, LA Claiborne Par. United States	US 79 / US 79 Bypass / LA 9 (32.75646, -93.07671)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.1497	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2018 - streetview) ICD estimated from Google Maps linework.
Slidell, LA St. Tammany Par. United States	Town Center Pkwy. / Levis Ln. / N Town Center Blvd. (30.26958, -89.75986)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.4803	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Unusual striping in northeast quadrant of circulatory roadway. ICD estimated from Google Maps linework.
Slidell, LA St. Tammany Par. United States	Town Center Pkwy. / Levis Ln. (30.26543, -89.76313)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.4507	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Initial construction completed 2011-2013; third leg added 2015-2016. ICD estimated from Google Maps linework. 21442
Slidell, LA St. Tammany Par. United States	Levis Ln. / (parking lots) (west) (30.26534, -89.76120)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.9147	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Slidell, LA St. Tammany Par. United States	Levis Ln. / (parking lots) (east) (30.26632, -89.75977)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.9457	Other (At-Grade) Single-Lane	2014	Three legs completed 2013-2014; fourth leg added 2015-2016. ICD estimated from Google Maps linework. 21442
Pearl River, LA St. Tammany Par. United States	US 11 (Concord Blvd.) / Cleo Rd. (30.35615, -89.74532)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.0705	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Lennoxville, QC Sherbrooke Canada	Rte 108 (Rue College) / Chemin Glenday (45.36727, -71.83398)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.6325	Other (At-Grade) Single-Lane	2019	ICD estimated from Google Maps linework.
Carrboro, NC Orange Co. United States	SR 1772 (Greensboro St.) / SR 1780 (Estes Dr.) (35.91752, -79.07507)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021
Carrboro, NC Orange Co. United States	W Winmore Ave. / S Camelia St. (35.94605, -79.09075)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.0730	Other (At-Grade) Single-Lane	2013	ICD = 100 ft. ICD estimated from Google Maps linework.
Chapel Hill, NC Orange Co. United States	Mt Carmel Church Rd. / Bennett Rd. / Copper Beach Ct. (35.88666, -79.05732)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2019
Mocksville, NC Davie Co. United States	Farmington Rd. / I-40 EB Ramps (35.95570, -80.53159)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 15.4684	Freeway Ramps (Grade-Separated) Single-Lane	2018	ICD estimated from Google Maps linework.
Waltham, MA Middlesex Co. United States	Beaver St. / Lyman St. (42.38402, -71.23042)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 51.8160	Other (At-Grade) Single-Lane	2015	Unknown date of origin as traffic circle. Converted to roundabout 2015-2016.
North Perth (Listowel), ON Perth Canada	Main St. W (Perth Line 86) / Mitchell Rd. (Hwy 23) (43.73665, -80.96526)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.4208	Other (At-Grade) Single-Lane	2016	https://blackburnnews.com/midwestern-ontario/midwestern-ontario-news/2016/11/25/roundabout-listowel-open/ ICD estimated from Google Maps linework.
Kernersville, NC Forsyth Co. United States	SR 2648 (Old Winston Rd.) / Old Winston St. / Market View Dr. (36.11282, -80.08780)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.8048	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD = 150 ft. ICD estimated from Google Maps linework.
Fairview, NC Union Co. United States	NC 218 / Mill Grove Rd. (35.16362, -80.57822)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.1732	Other (At-Grade) Single-Lane	2019	ICD estimated from Google Maps linework.
Marvin, NC Union Co. United States	Autumn Blossom Ln. / Running Horse Ln. (east) (35.00454, -80.80717)	Roundabout Existing	Unknown None	3 Approaches 2 Driveways 23.4788	Other (At-Grade) Single-Lane	2007	ICD = 105 ft. ICD estimated from Google Maps linework.
Marvin, NC Union Co. United States	Autumn Blossom Ln. / Running Horse Ln. (west) (35.00439, -80.80986)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.4788	Other (At-Grade) Single-Lane	2007	ICD = 105 ft. ICD estimated from Google Maps linework.
San Francisco, CA San Francisco Co. United States	Mission Bay Dr. / Mission Bay Blvd. / Owens St. / Channel St. (37.77048, -122.39599)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 78.3588	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Aleksandrów Łódzki, Woj. Łódzkie Powiat Zgierski Poland	ulica Słowiańska / ulica Panska / ulica Koscielna / ulica Aleksandrowska (51.78946, 19.32078)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.5052	Other (At-Grade) Single-Lane		https://www.huffpost.com/entry/roundabout-crash-flying-car_n_5e968401c5b6ead140048120 ICD estimated from Google Maps linework.