Roundabouts Database Index

29804 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
Lake St Louis, MO St. Charles Co. United States	Breton Pkwy. / Welsh Dr. (38.76444, -90.79387)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2005-2007).
Lake St Louis, MO St. Charles Co. United States	Ridgeway Dr. / Breton Pkwy. (38.76456, -90.79000)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2005
St Louis, MO St. Louis City United States	SR 115 (Natural Bridge Ave.) / Goodfellow Blvd. (38.68607, -90.27131)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2021	Add-lane right-turn bypass lane on southeast leg; yield-controlled right-turn bypass lane on northeast leg.
St Louis, MO St. Louis City United States	SR 115 (Natural Bridge Ave.) / Vandeventer Ave. (38.66375, -90.22271)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2020	https://nextstl.com/2022/03/crashes-down-on-natural-bridge-but-more-work-still-to-be-done/
St Louis, MO St. Louis City United States	SR 115 (Natural Bridge Ave. / Salisbury St.) / Natural Bridge Ave. / Parnell St. (38.65785, -90.20947)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2020	Elliptical shaped. ICD = 135 ft x 110 ft. https://nextstl.com/2022/03/crashes-down-on-natural-bridge-but-more-work-still-to-be-done/
North Canton, OH Stark Co. United States	Strausser St. NW / Lake O Springs Ave. NW (40.89292, -81.45931)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2024	https://www.facebook.com/photo/?fbid=551066310949835&set=a.150290721027398
Noblesville, IN Hamilton Co. United States	Reavie Ct./ Dufner Dr. / Shefler Blvd. (40.06067, -86.08615)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.8600	Other (At-Grade) Single-Lane	2024
Senatobia, MS Tate Co. United States	US 51 / W Main St. (34.61802, -89.96854)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2025	https://mdot.ms.gov/portal/news_release_view/2186
Ocean Springs, MS Jackson Co. United States	Ocean Springs Rd. / Groveland Rd. / Gulf Island National Seashore Rd. (30.41371, -88.77918)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.oceanspringsweeklyrecord.com/local_news/and-around-we-go-os-road-roundabout-open-to-traffic-in-time-for-the-holidays/article_6f02eea2-bfe7-11ef-a11a-47671c82f774.html
(unincorporated), OR Washington Co. United States	SR 10 (SW Farmington Rd.) / SW River Rd. (45.44878, -122.94764)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2025
St Michael, MN Wright Co. United States	CSAH 35 (30th St. NE) / Jamison Ave. NE (45.19541, -93.69572)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2024	https://www.co.wright.mn.us/CivicAlerts.aspx?AID=4301
St Michael, MN Wright Co. United States	CSAH 35 (Kahl Ave. / 30th St. NE) / Jansen Ave. / 30th St. NE (45.19612, -93.68491)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2024	https://www.co.wright.mn.us/CivicAlerts.aspx?AID=4301
St Michael, MN Wright Co. United States	CSAH 35 (Kahl Ave. NE) / 34th St. NE / 35th St. NE (45.20235, -93.68130)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2024	https://www.co.wright.mn.us/CivicAlerts.aspx?AID=4301
Hugo, MN Washington Co. United States	US 61 (Forest Blvd. N) / 159th St. N (45.17901, -92.98769)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	Year Completed estimated (2023-2024).
Blaine, MN Anoka Co. United States	117th Ave. NE / Ulysses St. NE (45.18304, -93.24007)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.blainemn.gov/3995/23-09-Ulysses-Street-117th-Avenue-Rounda
New Ulm, MN Nicollet Co. United States	CSAH 37 / US 14 WB Ramps (44.30186, -94.42165)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Freeway Ramps (Grade-Separated) Single-Lane	2023	Raindrop shaped. Year Completed estimated (2021-2024).
New Ulm, MN Nicollet Co. United States	CSAH 37 / US 14 EB Ramps (44.30098, -94.42365)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Freeway Ramps (Grade-Separated) Single-Lane	2023	Raindrop shaped. Year Completed estimated (2021-2024).
Oak Park Heights, MN Washington Co. United States	Norell Ave. N / 59th St. N (45.03462, -92.83299)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2022	Right-turn-only lane on north leg.
Oakdale, MN Washington Co. United States	40th St. N / Helmo Ave. N (45.00596, -92.95083)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2023	Year Completed estimated (2023-2024).
River Falls, WI Pierce Co. United States	E Cascade Ave. / S Wasson Ln. (44.85113, -92.60900)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.facebook.com/reel/563284889746205
Carencro, LA Lafayette Par. United States	LA 98 (W Gloria Switch Rd.) / Mills St. (30.29790, -92.09158)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2023	Yield-controlled right-turn bypass lane on west leg. Year Completed estimated (2023-2024).
Indianapolis, IN Marion Co. United States	Monte Carlo Way / Rothchild Blvd. (39.89341, -86.27511)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2004	No splitter islands.
Indianapolis, IN Marion Co. United States	Perrier Dr. / Shorburgh Dr. (39.89250, -86.27837)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2004	No splitter islands.
Indianapolis, IN Marion Co. United States	Sauterne Dr. (39.89046, -86.27817)	Other Existing	All-Way Yield None	2 Approaches 2 Driveways 0.0000	Other (At-Grade) Single-Lane	2004	No splitter islands.
Brownsburg, IN Hendricks Co. United States	Rose Hill Ave. / Fair Oak Cir. / Seabrook Dr. (39.86595, -86.42217)	Other Existing	Uncontrolled None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	No splitter islands.
(unincorporated), TX Fort Bend Co. United States	Tamarron Pkwy. / Jordan Ranch Blvd. (29.73263, -95.90115)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2025
Richmond, ON Ottawa Canada	Perth St. / Oldenburg Ave. / Meynell Rd. (45.18764, -75.84949)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2024	https://www.ctvnews.ca/ottawa/article/richmond-residents-frustrated-by-roundabout-construction/
Santa Fe, NM Santa Fe Co. United States	Beckner Rd. / Calle de la Alegria (35.62406, -106.00463)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2024	Year Completed estimated (2023-2024).
Summerville, SC Berkeley Co. United States	Millhouse Dr. / Holiday Dr. (33.04703, -80.16190)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.facebook.com/TownofSummervilleSC/posts/there-have-been-inquiries-regarding-the-recent-change-in-traffic-flow-at-the-hol/784110397246615/
Winnipeg, MB Division 11 Canada	St Marys Rd. / Perimeter Hwy. WB Ramps (49.79669, -97.11296)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane	2024
Winnipeg, MB Division 11 Canada	St Marys Rd. / Perimeter Hwy. EB Ramps (49.79151, -97.10948)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane	2024
Polk, OH Ashland Co. United States	US 42 / SR 302 (40.91407, -82.19348)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.transportation.ohio.gov/projects/projects/114065
Polk, OH Ashland Co. United States	SR 89 / SR 302 (40.92046, -82.21449)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.transportation.ohio.gov/projects/projects/114065
San Diego, CA San Diego Co. United States	Del Sol Blvd. / Kostner Dr. (32.57352, -117.04353)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2024	https://www.facebook.com/CityofSanDiego/posts/the-roundabout-at-del-sol-blvd-and-kostner-dr-in-otay-mesa-is-complete-roundabou/977702851059733/
Brentwood, TN Williamson Co. United States	Holly Tree Gap Rd. / Murray Ln. (36.01571, -86.84598)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2024	https://www.instagram.com/cityofbrentwoodtn/p/C-GqsY-MLk0/?img_index=3
Mount Juliet, TN Wilson Co. United States	Baird Farms Blvd. / Caroline Way / Ella Ln. / (parking) (36.16181, -86.49629)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2017
Fulshear, TX Fort Bend Co. United States	Lou Waters Pkwy. / Pecan Knoll Dr. (29.69889, -95.92400)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2024
Tumwater, WA Thurston Co. United States	Crosby Blvd. SW / Barnes Blvd. SW / Barnes Ct. SW (47.01940, -122.92616)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	2021	Painted splitter island on west leg. Year Completed estimated (2020-2021).
McCalla, AL Jefferson Co. United States	4th Ave. SW (Old Tuscaloosa Hwy.) / Lowetown Rd. (33.29639, -87.06038)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 76.2000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2025	Turbo roundabout. https://www.wbrc.com/2025/02/05/jefferson-county-welcomes-nations-3rd-turbo-roundabout/
Hoover, AL Jefferson Co. United States	Main St. / Creekside Ave. (33.37445, -86.81575)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2006	Right-turn-only arrows on entries. Year Completed estimated (2005-2006).
Highland Lakes, AL Shelby Co. United States	Highland Village Trl. / Highland Village Dr. (33.40922, -86.63478)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 36.5760	Other (At-Grade) Single-Lane	2006
Birmingham, AL Jefferson Co. United States	Liberty Pkwy. / (parking) (33.47619, -86.70359)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2018
Vestavia Hills, AL Jefferson Co. United States	Liberty Pkwy. / Liberty Rd. (33.47421, -86.69406)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2021	Year Completed estimated (2019-2021).
Clarksville, TN Montgomery Co. United States	Kirkwood Rd. / Campus Dr. (36.56643, -87.20339)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2023	Year Completed estimated (2022-2023).
Cambridge, ON Wellington Canada	Hespeler Rd. / Kossuth Rd. / CR 124 / (unknown) (43.47206, -80.30539)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 58.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2019	Year Completed estimated (2018-2019).
Elmira, ON Waterloo Canada	William St. / Country Club Estates Dr. (43.60393, -80.57176)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016).
Fairview, MT Richland Co. United States	SR 200 / SR 201 (47.86229, -104.04312)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.roundupweb.com/story/2024/11/06/news/construction-substantially-complete-on-fairview-west-project/21482.html
Grand Island, NE Hall Co. United States	Prairieview St. / Ring Rd. (40.88405, -98.37980)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2016-2020).
Grand Island, NE Hall Co. United States	Rae Rd. / Prairieview Rd. / James Rd. (40.88074, -98.37995)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2019	Right-turn-only lane on east leg. Year Completed estimated (2016-2020).
Grand Island, NE Hall Co. United States	Norseman Ave. / Ebony Ln. (40.94204, -98.39270)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2011	Street light pole in central island. Year Completed estimated (2010-2011).
Napa, CA Napa Co. United States	Soscol Ferry Rd. / SR 221 / SR 12 EB Ramps (38.24117, -122.26975)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.2440	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2024	https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/soscol-junction
Napa, CA Napa Co. United States	SR 221 (Napa Vallejo Hwy.) / SR 12 WB Entrance Ramp (38.24207, -122.26930)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 44.1960	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2024	https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/soscol-junction
American Canyon, CA Napa Co. United States	Devlin Rd. / Boone Dr. / (parking) (38.20182, -122.26679)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2022
Radcliff, KY Hardin Co. United States	Ernest R Kouma Blvd. / Cowley Crossing Ln. / Saratoga Ln. (37.78250, -85.92608)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Carmel, IN Hamilton Co. United States	Buttonwood Dr. / Bayberry Ct. (39.95749, -86.11220)	Other Existing	Uncontrolled Unknown	4 Approaches 2 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Carmel, IN Hamilton Co. United States	Buttonwood Dr. / Crimson Ct. (39.95861, -86.11268)	Other Existing	Uncontrolled Unknown	4 Approaches 4 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Carmel, IN Hamilton Co. United States	Sedgemoor Cir. / Sedgemoor Cir. (39.94523, -86.21991)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on north and east legs.
Carmel, IN Hamilton Co. United States	Stanhope St. / Treaty Line St. (39.97072, -86.20135)	Other Existing	All-Way Yield Unknown	2 Approaches 2 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Carmel, IN Hamilton Co. United States	10th St. NW / 1st Ave. NW (39.98663, -86.12875)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Carmel, IN Hamilton Co. United States	West Park West (39.95713, -86.21220)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2020). East leg added 2021.
Carmel, IN Hamilton Co. United States	Milgate Dr. / Matt St. (39.99149, -86.11741)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2024	Painted splitter islands.
Carmel, IN Hamilton Co. United States	Twain Dr. / Grisham Dr. (39.98990, -86.11497)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 18.2880	Other (At-Grade) Single-lane w/ Traversable Central Island	2024	Painted splitter islands.
Austin, TX Travis Co. United States	S Pleasant Valley Rd. / Teri Rd. (30.19701, -97.74418)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2024
Danville, KY Boyle Co. United States	Fairgrounds Rd. / Excellence Ave. (37.65389, -84.79933)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Painted splitter islands on south and west legs; no splitter island on east leg.
Richmond, KY Madison Co. United States	Bowerwood Dr. / Richwood Blvd. (37.73604, -84.28621)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Westlake, AL Mobile Co. United States	Jeff Hamilton Rd. / Johnson Rd. (30.62752, -88.29247)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	Opened October 20, 2024. https://www.mobilecountyal.gov/road-closings/new-roundabout-opened-johnson-road-w-jeff-hamilton-road/
Marion, OH Marion Co. United States	SR 98 (Columbus-Sandusky Rd. S) / SR 529 (Marion-Cardington Rd. E) (40.54939, -83.05017)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2023	Year Completed estimated (2021-2024).
(unincorporated), TX Fort Bend Co. United States	Bissonnet St. / Trillium Glade Dr. (29.67321, -95.70169)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2025
Rogers, AR Benton Co. United States	S Pinnacle Hills Pkwy. / W JB Hunt Dr. (36.30245, -94.18936)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2023	Yield-controlled right-turn bypass lanes on north and south legs. https://www.youtube.com/watch?v=fxI71JbGsVk
Rogers, AR Benton Co. United States	S Pinnacle Hills Pkwy. / S Champions Dr. (36.30103, -94.18902)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2023	https://www.youtube.com/watch?v=fxI71JbGsVk
McKinney, TX Collin Co. United States	E Louisiana St. / Greenville Rd. (33.19718, -96.60968)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 33.5277	Other (At-Grade) Single-Lane	2024	One of the driveways serves as emergency access only.
Valdosta, GA Lowndes Co. United States	SR 31 (Madison Hwy.) / I-75 NB Ramps (30.75206, -83.27321)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Unknown	2025	https://valdostatoday.com/news-2/local/2025/02/lowndes-i75-exit-11-traffic-to-begin-using-roundabouts/
Valdosta, GA Lowndes Co. United States	SR 31 (Madison Hwy.) / I-75 SB Ramps (30.75023, -83.27416)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Unknown	2025	https://valdostatoday.com/news-2/local/2025/02/lowndes-i75-exit-11-traffic-to-begin-using-roundabouts/
Lake Park, GA Lowndes Co. United States	Lake Park Bellville Rd. / I-75 NB Ramps (30.64409, -83.18847)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Unknown	2022	https://wfxl.com/news/local/traffic-pattern-change-expected-in-lowndes-county-on-i-75-exit-2
Lake Park, GA Lowndes Co. United States	Lake Park Bellville Rd. / I-75 SB Ramps (30.64297, -83.18993)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022	https://wfxl.com/news/local/traffic-pattern-change-expected-in-lowndes-county-on-i-75-exit-2
Bowling Green, KY Warren Co. United States	Frist Blvd. / Hub Blvd. (36.96968, -86.40929)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2019
Bowling Green, KY Warren Co. United States	Frist Blvd. / Golden Autumn Way (36.96509, -86.40386)	Other Existing	All-Way Yield None	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Lane change required to make left turn.
Bowling Green, KY Warren Co. United States	Ken Bale Blvd. / Middle Bridge Rd. W (36.95185, -86.41547)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2022
Bowling Green, KY Warren Co. United States	Fieldstone Blvd. / Cave Springs Ave. (36.92962, -86.42874)	Other Existing	All-Way Stop None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Bowling Green, KY Warren Co. United States	Chasefield Ave. / Andover St. (36.93716, -86.43202)	Other Existing	All-Way Yield None	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Kennewick, WA Benton Co. United States	W Deschutes Ave. / N Colorado St. (46.21261, -119.22344)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2024	https://www.youtube.com/watch?v=FWq2ItERef0 (view of roundabout at 1:14 in video)
Hemel Hempstead, England Herts United Kingdom	A4251 (London Rd.) / A4146 (Station Rd.) (51.74301, -0.48452)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Hemel Hempstead, England Herts United Kingdom	A4251 (London Rd.) / Fishery Rd. (51.74305, -0.49149)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Hemel Hempstead, England Herts United Kingdom	A4251 (London Rd.) / A41 EB Ramps (51.74489, -0.51312)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Hemel Hempstead, England Herts United Kingdom	A414 (Two Waters Way) / A41 EB Ramps (51.73648, -0.47996)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Raindrop shaped.
Hemel Hempstead, England Herts United Kingdom	A414 (Two Waters Way) / A41 WB Ramps (51.73616, -0.48168)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Raindrop shaped.
Hemel Hempstead, England Herts United Kingdom	A414 (Saint Albans Rd.) / Jarman Way (51.74980, -0.45562)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)		Through bypass lane on west leg.
Hemel Hempstead, England Herts United Kingdom	A414 (Saint Albans Rd.) / White Hart Rd. / Bennetts End Rd. (51.74958, -0.45123)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Left-turn-only lane on east and west legs.
Hemel Hempstead, England Herts United Kingdom	A414 (Saint Albans Rd. / Breakspear Way) / A4147 (Leverstock Green Way / Maylands Ave.) (51.75379, -0.43624)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Left-turn add-lane bypass lanes on north and south legs. Left-turn-only lanes on east and west legs.
Hemel Hempstead, England Herts United Kingdom	A414 (Breakspear Way) / Green Ln. (51.75630, -0.42355)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Hemel Hempstead, England Herts United Kingdom	Green Ln. / Boundary Way (51.76027, -0.42309)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Hemel Hempstead, England Herts United Kingdom	Boundary Way / Buncefield Ln. / (parking) (51.76062, -0.42889)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Hemel Hempstead, England Herts United Kingdom	Green Ln. / Cherry Tree Ln. / Hogg End Ln. (51.76618, -0.42265)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Hemel Hempstead, England Herts United Kingdom	A4147 (Swallowdale Ln. / Maylands Ave.) / Swallowdale Ln. / Eastman Way (51.76690, -0.44389)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Hemel Hempstead, England Herts United Kingdom	A4147 (Redbourn Rd. / Swallowdale Ln.) / High Street Green / Queensway (51.76548, -0.44808)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Left-turn bypass lanes on west and south legs.
Hemel Hempstead, England Herts United Kingdom	A4147 (Link Rd. / Redbourn Rd.) / B487 (Redbourn Rd.) / Saint Agnells Ln. (51.77084, -0.44894)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Hemel Hempstead, England Herts United Kingdom	A4147 (Link Rd.) / Cambrian Way / Aycliffe Dr. (51.76921, -0.45691)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Hemel Hempstead, England Herts United Kingdom	A4147 (Link Rd.) / Piccotts End Rd. (51.76574, -0.47503)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Hemel Hempstead, England Herts United Kingdom	A4146 (Leighton Buzzard Rd.) / A4147 (Link Rd.) / B440 (Leighton Buzzard Rd.) / Galley Hill (51.76563, -0.47949)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Hemel Hempstead, England Herts United Kingdom	A4146 (Leighton Buzzard Rd.) / Queensway / Warners End Rd. (51.75713, -0.47560)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)		Left-turn-only lanes on all legs.