Roundabouts Database Index

29359 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
Iowa City, IA Johnson Co. United States	Herbert Hoover Hwy. NE / I-80 WB Ramps (41.67198, -91.44380)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022	Previous intersection was entrance ramp only. https://www.news.iowadot.gov/newsandinfo/2022/06/eastbound-i-80-ramps-at-herbert-hoover-highwayjohnson-county-road-f-44-exit-249-in-johnson-county-to.html
Iowa City, IA Johnson Co. United States	Herbert Hoover Hwy. SE / I-80 EB Ramps (41.67099, -91.44629)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022	Previous intersection was exit ramp only. https://www.news.iowadot.gov/newsandinfo/2022/06/eastbound-i-80-ramps-at-herbert-hoover-highwayjohnson-county-road-f-44-exit-249-in-johnson-county-to.html
Rocklin, CA Placer Co. United States	Rocklin Rd. / Pacific St. (38.79073, -121.23610)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2023	Yield-controlled right-turn bypass lanes on west and south legs; add-lane right-turn bypass lane on east leg. https://www.rocklin.ca.us/roundabout
(unincorporated), NE Sarpy Co. United States	S 180th St. / Cornhusker Rd. (41.16150, -96.19661)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2022-2023).
Lakewood, WA Pierce Co. United States	North Gate Rd. SW / Edgewood Ave. SW / Winona St. SW (47.14678, -122.56385)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.kiro7.com/news/south-sound-news/stolen-car-stopped-by-wet-cement-lakewood/GDU77T3M6NC2RKBPTKKY5N53SA/
Kalispell, MT Flathead Co. United States	US 2 / Springcreek Rd. / Dern Rd. (48.19696, -114.37378)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2021	https://www.mdt.mt.gov/pubinvolve/dernspring/
Waynesville, MO Pulaski Co. United States	Historic Route 66 / Hwy T (37.81205, -92.23491)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2018).
Bonne Terre, MO St. Francois Co. United States	Old Orchard Rd. / Raider Rd. / US 67 SB Ramps (37.91037, -90.53216)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Freeway Ramps (Grade-Separated) Single-Lane	2008	Elliptical shaped. ICD = 155 ft x 145 ft. Year Completed estimated (2007-2009).
Bonne Terre, MO St. Francois Co. United States	Old Orchard Rd. / US 67 NB Ramps (37.91294, -90.53029)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Freeway Ramps (Grade-Separated) Single-Lane	2008	Year Completed estimated (2007-2009).
Lino Lakes, MN Anoka Co. United States	Birch St. / Tomahawk Trl. (45.14236, -93.11531)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2021	Completed October 2021.
Lino Lakes, MN Anoka Co. United States	Birch St. / Shadow Lake Dr. (45.14228, -93.10960)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2021	Completed October 2021.
Afton, VA Albemarle Co. United States	US 250 (Rockfish Gap Turnpike) / SR 151 (Critzers Shop Rd.) (38.02982, -78.80684)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.blueridgelife.com/2022/11/17/250-151-roundabout-is-active-so-far-so-good-but-its-early/
Kansas City, MO Clay Co. United States	N Shoal Creek Pkwy. / Maplewoods Pkwy. (39.28995, -94.55702)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	2021	Merging right-turn bypass lane lane on west leg. https://www.kcmo.gov/Home/Components/FacilityDirectory/FacilityDirectory/139/360?npage=2
Kansas City, MO Clay Co. United States	N Maplewoods Pkwy. / NE 106th St. / NE Staley Ferris Dr. (39.28508, -94.55712)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	2021	Peanut shaped. Replaced two offset T-intersections. https://www.kcmo.gov/Home/Components/FacilityDirectory/FacilityDirectory/139/360?npage=2
Kansas City, MO Clay Co. United States	N Maplewoods Pkwy. / New Mark Dr. / NE 100th St. (39.27475, -94.55715)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2021	https://www.kcmo.gov/Home/Components/FacilityDirectory/FacilityDirectory/139/360?npage=2
Kansas City, MO Clay Co. United States	N Maplewoods Pkwy. / NE 96th St. (39.26747, -94.55716)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2021	East leg stubbed. https://www.kcmo.gov/Home/Components/FacilityDirectory/FacilityDirectory/139/360?npage=2
Kansas City, MO Platte Co. United States	Line Creek Pkwy. / Tiffany Springs Rd. (39.25957, -94.61010)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2021
Kansas City, MO Clay Co. United States	N Booth Ave. / NE Shoal Creek Valley Dr. / Commercial Dr. (39.24626, -94.47674)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2020	Yield-controlled right-turn bypass lane on west leg. Year Completed estimated (2020-20210.
Kansas City, MO Clay Co. United States	NE Shoal Creek Valley Dr. / (unknown) (39.24673, -94.47459)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2020
Sedalia, MO Pettis Co. United States	Rte Y (W 16th St.) / Winchester Dr. (38.69957, -93.27763)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2010-2012).
Folsom, CA Sacramento Co. United States	Grand Prairie Rd. / Rustic Ridge Dr. (38.63617, -121.09165)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019).
Folsom, CA Sacramento Co. United States	Grand Prairie Rd. / Rustic Ridge Dr. / Alder Creek Pkwy (38.64059, -121.09212)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019).
(unincorporated), OH Delaware Co. United States	Eagles Landing Dr. / Liberty Grand Blvd. (40.20685, -83.10250)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2021).
New Haven, CT New Haven Co. United States	Chapel St. / Yale Ave. (41.31448, -72.95891)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	Peanut shaped. Replaces skewed intersection. https://www.fox61.com/video/news/local/new-haven-county/new-haven/first-of-its-kind-peanut-shaped-roundabout-opens-in-new-haven/520-3db77500-495f-4ae7-a441-ed85863cd327
Raymore, MO Cass Co. United States	MO 58 / Ward Rd. (38.80255, -94.40147)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.raymore.com/Home/Components/News/News/2466/
Raymore, MO Cass Co. United States	S Madison St. / (park access) (38.78857, -94.45769)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2009-2010).
Lafayette, LA Lafayette Par. United States	Dulles Dr. / N Domingue Ave. (30.21055, -92.08378)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 36.5760	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2021-2022).
Ottawa, ON Ottawa Canada	Greenbank Rd. / Half Moon Bay Rd. (45.25555, -75.73742)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island	2022	Year Completed estimated (2021-2023).
Novi, MI Oakland Co. United States	W 9 Mile Rd. / Taft Rd. (42.45158, -83.49410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.candgnews.com/news/novi-council-approves-lighting-for-new-roundabout-635
Le Claire, IA Scott Co. United States	Wisconsin St. / 35th St. SW / (parking) (41.59770, -90.39139)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 45.7200	Other (At-Grade) Single-Lane	2022	Replaced offset T intersections. https://www.leclaireiowa.gov/340/Wisconsin-Street-and-35th-Street-Reconst
Truckee, CA Nevada Co. United States	Donner Pass Rd. / Cold Stream Rd. / I-80 EB Ramps (39.32359, -120.22747)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2021
Panama City Beach, FL Bay Co. United States	Front Beach Rd. / S Arnold Rd. (30.22327, -85.89081)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	Triangular section of roads converted to roundabout with two of the former triangle sides to be converted to large-radius right-turn bypass lanes. https://www.pcbfl.gov/Home/Components/News/News/4818/ https://www.newsherald.com/story/news/local/2023/01/20/panama-city-beach-opens-a-new-lane-on-front-beach-road-roundabout/69820095007/
Stockton, CA San Joaquin Co. United States	E Miner Ave. / N San Joaquin St. (37.95611, -121.28804)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2021	Bicycle lanes leading into roundabout with bicycle sharrows on outer edge of circulatory roadway beyond each entry. https://twitter.com/stocktonupdates/status/1407046118156947458
Santa Clara, CA Santa Clara Co. United States	(shopping center entrance) / (parking) (37.35667, -121.93755)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 18.2880	Other (At-Grade) Single-lane w/ Traversable Central Island	2022	https://www.svvoice.com/coleman-costco-installing-roundabout/
Ramara, ON Simcoe Canada	Hwy 12 / CR 169 / Concession Road 6 (44.57153, -79.18908)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.0000	Other (At-Grade) Single-Lane	2022	Year Completed estimated (2022-2023).
Moses Lake, WA Grant Co. United States	SR 17 / Grape Dr. (47.14957, -119.29411)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	https://wsdot.wa.gov/construction-planning/search-projects/sr-17-grape-drive-intersection-improvements https://columbiabasinherald.com/news/2022/sep/06/grape-dr-roundabout-nears-completion/
Steamboat Springs, CO Routt Co. United States	Mount Werner Dr. / Steamboat Blvd. / Bangtail Way (40.45897, -106.81287)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	https://www.engagesteamboat.net/roundabout
Steamboat Springs, CO Routt Co. United States	Central Park Dr. / Alpine Plaza / (parking) (40.46194, -106.82118)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2017	Entrance to Central Park Plaza shopping center. Year Completed estimated (2015-2018).
Woodland, CA Yolo Co. United States	Road 25A / Parkland Ave. (38.64099, -121.74450)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2020
Woodland, CA Yolo Co. United States	Road 25A / Miekle Ave. (38.64078, -121.73624)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2020-2021).
Woodland, CA Yolo Co. United States	Hunt St. / Heritage Pkwy. (38.64945, -121.74580)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2020).
Knoxville, TN Knox Co. United States	Moss Grove Blvd. / Amberleigh Bluff Way (35.90592, -84.09103)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2010-2012).
Knoxville, TN Knox Co. United States	Montlake Dr. / Lakemoor View Rd. / US 129 SB Exit Ramp (35.92067, -83.95729)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Freeway Ramps (Grade-Separated) Single-Lane	2021
Meridian, ID Ada Co. United States	S Vanguard Way / S Wayfinder Ave. / (parking) (43.59800, -116.43116)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2017	Right-turn-only lane on northeast leg.
Meridian, ID Ada Co. United States	S Wayfinder Ave. / W Cobalt Dr. (43.60115, -116.42905)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Missoula, MT Missoula Co. United States	Mullan Rd. / Mary Jane Blvd. (46.88725, -114.05372)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	Year Completed estimated (2022-2023).
Spruce Grove, AB Division 11 Canada	Pioneer Rd. / Grove Dr. (53.55573, -113.86097)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2017
Spruce Grove, AB Division 11 Canada	Grove Dr. W / Copperhaven Dr. / Harvest Ridge Dr. (53.55575, -113.95196)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.0000	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2016-2020).
Spruce Grove, AB Division 11 Canada	Grove Dr. W / (unknown) (53.55467, -113.95664)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.0000	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2016-2020).
Spruce Grove, AB Division 11 Canada	Pioneer Rd. (Range Road 271) / Fenwyck Blvd. (53.55121, -113.86090)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.0000	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2017-2020).
Spruce Grove, AB Division 11 Canada	Pioneer Rd (Range Road 271) / (unknown) (53.54856, -113.86090)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.0000	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2017-2020).
Edmonton, AB Division 11 Canada	92nd Ave. NW / 218th St. NW (53.52741, -113.69339)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2017	Year Completed estimated (2017-2020).
Edmonton, AB Division 11 Canada	92nd Ave. NW / Secord Blvd. NW (53.52657, -113.70582)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.0000	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2020).
Edmonton, AB Division 11 Canada	92nd Ave. NW / (unknown) (53.52650, -113.70143)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2017	Year Completed estimated (2017-2019).
Edmonton, AB Division 11 Canada	Glastonbury Blvd. NW / Granville Dr. NW (53.50464, -113.68570)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0000	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2017-2020).
Edmonton, AB Division 11 Canada	Terwillegar Blvd. NW / Towne Centre Blvd. (53.44467, -113.57784)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2000-2004).
Langford, BC Capital Canada	Millstream Rd. / Bear Mountain Pkwy. (48.47140, -123.50526)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022
Everett, WA Snohomish Co. United States	Riverfront Blvd. / 29th Ave. SE / 44th St. SE (47.95950, -122.19112)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	2020
Arlington, WA Snohomish Co. United States	236th St. NE / 19th Ave. NE (48.20959, -122.20491)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2021	https://www.236safetyimprovements.org/project-updates
Weddington, NC Union Co. United States	Weddington-Matthews Rd. (SR 1344) / Tilley Morris Rd. (SR 1345) / (school access) (35.05645, -80.73426)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	https://www.constructionjournal.com/projects/details/9adae8f3933146738feedddda9e51146.html
Bowling Green, MO Pike Co. United States	US 61 Business / MO 161 / Court St (39.33344, -91.19504)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2022	https://www.modot.org/roundabout-bowling-green
Billings, MT Yellowstone Co. United States	Five Mile Rd. / Mary St. / (Billings Bypass) (45.84863, -108.42492)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2021	https://www.yourbigsky.com/local-news-2/billings-bypass-project-roundabout-opening-on-november-24/
Cleves, OH Hamilton Co. United States	Cooper Ave. / (high school parking) (39.16904, -84.75329)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Painted splitter island on south leg.
Westfield, IN Hamilton Co. United States	W 171st St. / Eagletown Rd. (40.03649, -86.19331)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	Opened March 2023.
Cambridge, ON Waterloo Canada	Blenheim Rd. / Bismark Dr. (43.36041, -80.34133)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.0000	Other (At-Grade) Single-Lane	2022	https://www.cambridgetoday.ca/local-news/citys-newest-roundabout-unique-to-cambridge-west-development-5511610
Deptford, NJ Gloucester Co. United States	Salina Rd. / S College Dr. (39.77645, -75.12438)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://42freeway.com/roads/salina-road-roundabout-at-rowan-college-completed-traffic-signal-at-delsea-is-coming/
Roebling, NJ Burlington Co. United States	Cedar Ln. / Railroad Ave. (40.10521, -74.79512)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2017	Previous control: Triangular intersection with yield signs. https://www.burlingtoncountytimes.com/story/news/2017/08/27/no-more-waiting-road-improvements/17642282007/
Cinnaminson, NJ Burlington Co. United States	Cinnaminson Ave. / Calhoun St. (39.98910, -75.01095)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2008	Year Completed estimated (2007-2008).
Cinnaminson, NJ Burlington Co. United States	Branch Pike / Burlington Pike (39.99064, -75.00752)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2008	Inside shopping center. Year Completed estimated (2007-2008).
Cinnaminson, NJ Burlington Co. United States	Riverton Rd. / Branch Pike / Parry Rd. (39.98818, -74.98070)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2017).
Harrisburg, PA Dauphin Co. United States	Derry St. / Mulberry St. (40.26312, -76.86948)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2022	https://theburgnews.com/news/project-to-make-harrisburgs-mulder-square-safer-greener-nears-completion
Oakton, VA Fairfax Co. United States	Nutley St. SW / I-66 WB Exit Ramp (38.87982, -77.26743)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2023	Replaces full cloverleaf interchange. https://outside.transform66.org/about_the_project/project_sections/nutley.asp
Oakton, VA Fairfax Co. United States	Nutley St. SW / I-66 EB Exit Ramp (38.87714, -77.26629)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2023	Replaced full cloverleaf interchange. https://outside.transform66.org/about_the_project/project_sections/nutley.asp
Oakton, VA Fairfax Co. United States	Saintsbury Dr. / (transit center parking lot) (38.87667, -77.26993)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2013	Serves Metro station. Right-turn-only lanes on east and west legs. South leg stubbed. Year Completed estimated (2012-2014).
Oakton, VA Fairfax Co. United States	Saintsbury Dr. / (transit center parking garage) (38.87600, -77.27317)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2013	Serves Metro station. Right-turn-only lanes on northeast and southwest legs. Southeast leg stubbed. Year Completed estimated (2012-2014).
Fairfax, VA Fairfax Co. United States	Patriot Cir. / Mason Pond Dr. (38.82981, -77.31152)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2008
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).
Middletown, DE New Castle Co. United States	Brick Mill Rd. / Dove Run Centre Dr. (39.45413, -75.68672)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2022
Baton Rouge, LA East Baton Rouge Par. United States	The Grove Blvd. / (parking) (30.38708, -91.07573)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2018
Denham Springs, LA Livingston Par. United States	Lockhart Rd. / Dunn Rd. (30.50500, -90.92494)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 35.0520	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2021).
Covington, LA St. Tammany Par. United States	Ochsner Blvd. / S Ochsner Blvd. (30.45565, -90.15060)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2012). South leg added 2019-2022.
Covington, LA St. Tammany Par. United States	River Chase Dr. / Continental Dr. (30.43874, -90.12867)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2014). Southwest leg stubbed.
Snellville, GA Gwinnett Co. United States	Wisteria Dr. / Clower St. (33.85952, -84.01452)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023
West Dundee, IL Kane Co. United States	Millbrook Dr. / (unknown) / (parking) (42.14551, -88.34157)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2013-2015).
Malta, NY Saratoga Co. United States	Stonebreak Rd. / Luther Forest Blvd. (42.96551, -73.75795)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2012	Add-lane right-turn bypass lane on southeast leg. Year Completed estimated (2011-2013). Southeast leg added 2015-2018.
Troy, NY Rensselaer Co. United States	US 4 (N Greenbush Rd.) / Williams Rd. (Rte 136) / Glenmore Rd. (42.69219, -73.68692)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Yield-controlled right-turn bypass lanes on north and east legs. Year Completed estimated (2021-2022).
Cohoes, NY Albany Co. United States	Preston Dr. / Stacey Ct. (42.77582, -73.74557)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015).
Whitestown, IN Boone Co. United States	S Main St. / Albert S White Dr. / E 400 S (39.98263, -86.34596)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2022	https://www.youtube.com/watch?v=34EKqFKijoI
Winston-Salem, NC Forsyth Co. United States	Germanton Rd. (NC 8) / Old Hollow Rd. (NC 66) (36.19481, -80.25493)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022
Winston-Salem, NC Forsyth Co. United States	Germanton Rd. (NC 8) / Winston-Salem Northern Beltway (NC 74) EB Ramps (36.19637, -80.25492)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.8640	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2021	Opened in 2021 temporarily as single lane. Converted to 2x1 in 2022. https://malmeroads.net/i7374nc/i74seg4.html
Winston-Salem, NC Forsyth Co. United States	Germanton Rd. (NC 8) / Winston-Salem Northern Beltway (NC 74) WB Ramps (36.19956, -80.25396)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.8640	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2022	https://malmeroads.net/i7374nc/i74seg4.html
Winston-Salem, NC Forsyth Co. United States	Baux Mountain Rd. / Winston-Salem Northern Beltway (NC 74) WB Ramps (36.18421, -80.22286)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2022	https://malmeroads.net/i7374nc/i74seg4.html
Winston-Salem, NC Forsyth Co. United States	Baux Mountain Rd. / Winston-Salem Northern Beltway (NC 74) EB Ramps (36.18202, -80.22303)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2022	Signed as NC 74 in 2023; will change to to I-74 when beltway completed in 2026. https://malmeroads.net/i7374nc/i74seg4.html
Brownsburg, IN Hendricks Co. United States	S Green St. / Airport Rd. (39.82142, -86.40107)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	https://twitter.com/BrownsburgIN/status/1552378297249677312
Avon, IN Hendricks Co. United States	E CR 100 S / (unknown) (39.74854, -86.36651)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Only two legs finished as of June 2022, but it looks like north and south legs will be added.
Avon, IN Hendricks Co. United States	E CR 100 S / CR 900 E (39.74857, -86.36160)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, unspecified)	2022
Avon, IN Hendricks Co. United States	E CR 100 S / Allpoints Ct. (39.74893, -86.34938)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.3880	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022
Laddonia, MO Audrain Co. United States	US 54 / MO 19 / CR J (39.28073, -91.64373)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2022	https://www.modot.org/node/27038
Fort Worth, TX Tarrant Co. United States	Ventana Pkwy. / Jerry Dunn Pkwy. (32.66820, -97.50849)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019).
Arlington, TX Tarrant Co. United States	Calender Rd. / Kuykendall Dr. (32.63263, -97.15398)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 30.4800	Other (At-Grade) Single-Lane	2022	2020-2022 (SV)