Roundabouts Database Index

29554 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
Chesterfield, NJ Burlington Co. United States	Rte 660 (Old York Rd.) / Rte 528 (Bordentown Chesterfield Rd.) (40.13058, -74.66189)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.3105	Other (At-Grade) Single-Lane	2014	https://www.burlingtoncountytimes.com/news/20171121/njdot-gets-national-award-for-chesterfield-roundabout ICD estimated from Google Maps linework.
Arcadia, IN Hamilton Co. United States	E 236th St. / US 31 SB Ramps (40.13069, -86.12917)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.in.gov/indot/about-indot/central-office/welcome-to-the-greenfield-district/interchange-project-at-us-31-and-236th-street/
Cicero, IN Hamilton Co. United States	Northbound Ramps / E 236th St. / US 31 NB Ramps (40.13083, -86.12698)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	https://www.in.gov/indot/about-indot/central-office/welcome-to-the-greenfield-district/interchange-project-at-us-31-and-236th-street/
Wall, NJ Monmouth Co. United States	NJ 35 / Atlantic Ave. (Brielle Circle) (40.13232, -74.06525)	Rotary Existing	Other Unknown	4 Approaches 0 Driveways 129.6649	Other (At-Grade) Single-Lane		Traffic circle conversion ICD estimated from Google Maps linework.
Bentleyville, PA Washington Co. United States	SR 70 / SR 917 (40.13260, -79.99890)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.7434	Other (At-Grade) Single-Lane	2016	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Dublin, OH Union Co. United States	Hyland Croy Rd. / Mitchell Dewitt Rd. (40.13341, -83.17931)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.8297	Other (At-Grade) Single-Lane	2013	Right-turn-only lanes on north and south legs. Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
Bensalem, PA Bucks Co. United States	Trevose Rd. / Somerton Rd. (40.13440, -74.99160)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.4801	Other (At-Grade) Single-Lane	2012	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Columbus, OH Delaware Co. United States	Lazelle Rd. / S Old State Rd. / Storrow Rd. (40.13638, -83.00269)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, unspecified)	2021
Lower Clover Basin, CO Boulder Co. United States	Portico Ln. / Portico Pl. (40.13727, -105.17304)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on two legs.
Westerville, OH Delaware Co. United States	Orion Pl. / Worthington Rd. / Olde Worthington Rd. (40.14015, -82.96511)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2021).
Upper Clover Basin, CO Boulder Co. United States	Clover Basin Dr. / Eagan Way / Eagan Cir. (40.14043, -105.16769)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2014
Westerville, OH Delaware Co. United States	Worthington Rd. / Vesper Way (40.14098, -82.95648)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.0426	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Powell, OH Delaware Co. United States	S Liberty St. / Salisbury Dr. (40.14137, -83.07254)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://engineer.co.delaware.oh.us/photogallery/
Danville, IL Vermilion Co. United States	E English St. / N Jackson St. (40.14221, -87.62787)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.9111	Other (At-Grade) Single-Lane	2018	Opened October 29, 2018. https://www.news-gazette.com/news/danville-drivers-will-encounter-county-s-first-roundabout-beginning-today/article_f87c0143-b30f-5905-a5cd-20cc780a35d4.html ICD estimated from Google Maps linework.
Plain City, OH Union Co. United States	Industrial Pkwy. / Mitchell-Dewitt Rd. (40.14221, -83.21567)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024
Blue Bell, PA Montgomery Co. United States	Arbor Way / Jolly Rd. / (parking) (40.14222, -75.28498)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2011-2016).
(unincorporated), OH Delaware Co. United States	Liberty Road at Jewett Road (40.14435, -83.07301)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 27.3892	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Lititz, PA Lancaster Co. United States	W 6th St. / Woodcrest Ave. (40.14491, -76.31435)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020
Upper Clover Basin, CO Boulder Co. United States	Mountain Dr. / Boundary Pl. (40.14560, -105.17468)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2015).
Jackson, NJ Ocean Co. United States	Davidson Way W / Fairview Ln. E (40.14563, -74.35165)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Piqua, OH Miami Co. United States	W Garbry Rd. / Looney Rd. (40.14600, -84.21713)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018	https://www.dailycall.com/news/48906/road-construction-set-to-be-completed-this-month
Dublin, OH Delaware Co. United States	Glick Rd. / Avery Rd. / Manley Rd. (40.14709, -83.16482)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.9527	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Longmont, CO Boulder Co. United States	S Martin St. / Bountiful Ave. (40.14740, -105.08831)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2017
Powell, OH Delaware Co. United States	Sawmill Rd. / Presidential Pkwy. (40.14895, -83.08899)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2023	https://engineer.co.delaware.oh.us/image_slider/presidential-parkway-and-sawmill-road-intersection-2023/
Polhemustown, NJ Monmouth Co. United States	CR 539 / Sharon Station Rd. (40.14995, -74.53846)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2022
Quail, CO Boulder Co. United States	Boston Ave. / Junction Dr. (40.14998, -105.09200)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2017).
Lititz, PA Lancaster Co. United States	SR 772 (Rothsville Rd.) / Clay Rd. / E 6th St. (40.15010, -76.28406)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.fox43.com/article/news/local/lancaster-county/new-traffic-roundabout-will-open-soon-in-warwick-township-lancaster-county-here-are-the-rules-of-the-road/521-0346b5cc-94be-415f-92c8-d4dcbcd913b3
Wall Township, NJ Monmouth Co. United States	RT-34 S / Allaire Rd. (40.15011, -74.09599)	Rotary Existing	Other Unknown	4 Approaches 0 Driveways 106.8086	Other (At-Grade) Multilane (2 Lane, unspecified)		Built in the 1930s. Yield signs on Allaire Rd approaches; some kind of traffic lights on Rt 34 approaches. ICD estimated from Google Maps linework.
Quail, CO Boulder Co. United States	Boston Ave. / (parking) (40.15114, -105.09285)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2006	Right-turn-only lane on north leg. Year Completed estimated (2005-2006). South leg added 2016-2017.
Quail, CO Boulder Co. United States	Boston Ave. (S. Martin St.) / (parking) (40.15350, -105.09292)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Oval shaped. ICD = 170 feet x 130 feet. Northbound left-turn-only lane signed but not marked on approach. Year Completed estimated (2006-2007).
Springville, UT Utah Co. United States	900 S / S 1750 W (40.15390, -111.64240)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 24.6468	Other (At-Grade) Single-Lane	2003	Partially painted splitter islands. ICD estimated from Google Maps linework.
Dublin, OH Union Co. United States	Burnett Ln. / (unknown) (40.15401, -83.17877)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.8210	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Buarcos e São Julião, Coimbra Figueira da Foz Portugal	Avenida Doutor Manuel Gaspar de Lemos / Avenida Doutor Joaquim de Carvalho (40.15544, -8.86172)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Muncie, IN Delaware Co. United States	S Madison St. / S Walnut St. (40.15550, -85.38320)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.3385	Other (At-Grade) Single-Lane	2014	High intersection skew angle with right-turn bypass lanes in acute-angle quadrants. ICD estimated from Google Maps linework.
Dublin, OH Union Co. United States	Tartan Ridge Blvd. / (unknown) (40.15592, -83.17858)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.6460	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Orange Township, OH Delaware Co. United States	E Powell Rd. / Lyra Dr. / Mesloh Dr. (40.15631, -82.97132)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	https://www.delgazette.com/news/98988/roundabout-completed-in-orange
Dublin, OH Union Co. United States	Hyland-Croy Rd. / Glacier Ridge Blvd (40.15634, -83.18476)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.9484	Other (At-Grade) Single-Lane	2006	A school nearby and park on the other side. Previously controlled by stop control side street Functional Class: Arterial/Residential ICD estimated from Google Maps linework.
Mechanicsburg, PA Cumberland Co. United States	Cope Circle [Cope Dr. / Glime Dr./ Kower Dr.] (40.15949, -77.01261)	Other Existing	Unknown Unknown	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Tavarede, Coimbra Figueira da Foz Portugal	Rotunda 31 de Janeiro [Avenida Doutor Manuel Gaspar de Lemos / Avenida Primeiro de Maio / Rua Doutora Cristina Torres] (40.15994, -8.85846)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Blue Bell, PA Montgomery Co. United States	Anvil Ln. (40.16062, -75.28413)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Springville, UT Utah Co. United States	400 S / 1300 E / Canyon Dr. (40.16084, -111.58691)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.8993	Other (At-Grade) Single-Lane	2014	Little deflection for northbound through movement. Yield-controlled right-turn bypass lane on south leg. ICD estimated from Google Maps linework.
(unincorporated), OH Delaware Co. United States	Green Meadows Dr. / Highfield Dr. (40.16105, -83.01333)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://engineer.co.delaware.oh.us/image_slider/highfield-green-meadows/
Plain City, OH Union Co. United States	Hyland-Croy Rd. / Brock Rd. (40.16244, -83.18563)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5091	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
Upper Allen Township, PA Cumberland Co. United States	W Lisburn Rd. / Grantham Rd. (40.16298, -76.99018)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 16.4290	Other (At-Grade) Single-Lane	2018	https://www.abc27.com/news/top-video/new-traffic-circle-opens-in-upper-allen_20181003215307/1495637846 ICD estimated from Google Maps linework.
Mount Pleasant, PA Westmoreland Co. United States	SR 819 / SR 981 (40.16665, -79.54360)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2023	https://www.penndot.pa.gov/RegionalOffices/district-12/pages/details.aspx?newsid=2355
(unincorporated), OH Delaware Co. United States	Harriot Dr. / Concord Rd. (40.16689, -83.15468)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 44.7208	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Plain City, OH Union Co. United States	Hyland-Croy Rd. / Ryan Pkwy (40.16771, -83.18450)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.8557	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
Longmont, CO Boulder Co. United States	Deerwood Dr. / Stardance Cir. (40.16962, -105.06120)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 22.8158	Other (At-Grade) Single-Lane	2003	Functional Class: Local ICD estimated from Google Maps linework.
Longmont, CO Boulder Co. United States	Deerwood Dr. / Summer Hawk Dr. (40.17087, -105.05720)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 25.5532	Other (At-Grade) Single-Lane	2003	Functional Class: Local ICD estimated from Google Maps linework.
Longmont, CO Boulder Co. United States	Deerwood Dr. / Windflower Dr. (40.17093, -105.06300)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 25.5532	Other (At-Grade) Single-Lane	2003	Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), OH Delaware Co. United States	Bale Kenyon Rd. / E Orange Rd. (40.17266, -82.96241)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.6785	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
(unincorporated), OH Delaware Co. United States	E Orange Rd. / Walker Wood Blvd. / Abbey Knoll Dr. (40.17312, -82.97326)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.3775	Other (At-Grade) Single-Lane	2011	Right-turn-only lane on south leg. ICD estimated from Google Maps linework.
Longmont, CO Boulder Co. United States	Deerwood Dr. / Bluefield Ave. (40.17346, -105.06460)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 26.4648	Other (At-Grade) Single-Lane	2002	Functional Class: Local ICD estimated from Google Maps linework.
Plain City, OH Union Co. United States	Hyland-Croy Rd. / Wells Rd. (40.17354, -83.18698)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.8529	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
(unincorporated), OH Delaware Co. United States	E Orange Rd. / Roespark Blvd. / (school entrance) (40.17355, -82.98272)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2011
Lower Southampton Township, PA Bucks Co. United States	Bridgetown Pike / W Maple (SR 0213) / Bridgetown Pike (SR 2010) (40.17417, -74.96831)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane	2016
(unincorporated), OH Delaware Co. United States	Olentangy River Rd. / W Orange Rd. / Carriage Rd. (40.17575, -83.04679)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2014).
Mount Pleasant, PA Westmoreland Co. United States	SR 981 / Hecla Rd. / State St. (40.17769, -79.52978)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://mthbg-laurelvalley.azurewebsites.net/section-1/section-1-project-area-photos.php
Belmar, NJ Monmouth Co. United States	10th Ave. / B St. (40.17772, -74.01782)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Belmar, NJ Monmouth Co. United States	10th Ave. / D St. (40.17855, -74.02169)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Mahomet, IL Champaign Co. United States	Churchill Rd. / E South Mahomet Rd. (40.17978, -88.37471)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.wandtv.com/community/ribbon-cutting-being-held-for-new-mahomet-roundabout/article_bafa4206-5314-11ee-a61e-03aed1b80bd1.html
(unincorporated), OH Delaware Co. United States	Lewis Center Rd. / Bale Kenyon Rd. (40.18296, -82.96386)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 46.5351	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Mahomet, IL Champaign Co. United States	Kassen Ave. / Churchill Rd. (40.18361, -88.37692)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.0231	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Mechanicsburg, PA Cumberland Co. United States	Lake Dr. / Harvest Dr. (40.18397, -76.96982)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Santo António dos Olivais, Coimbra Coimbra Portugal	N17 (Estrada da Beira - Estrada da Beira) / IC3 / N110 (40.18502, -8.39738)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Yorktown, IN Delaware Co. United States	W River Rd. / Nebo Rd. (40.18672, -85.46177)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.thestarpress.com/story/news/local/2022/07/28/muncie-traffic-nebo-road-roundabout-open-yorktown-indiana-construction/65384724007/
Mechanicsburg, PA Cumberland Co. United States	Orchard Blvd. / Lake Dr. (40.18776, -76.96866)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Hamilton Township, NJ Mercer Co. United States	S Broad St. / White Horse Ave. / Bordentown Rd. / Pearson Dr. (40.18820, -74.70483)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.9696	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Rebuilt from a rather confusing traffic circle. ICD estimated from Google Maps linework.
Muncie, IN Delaware Co. United States	S Walnut St. / Seymour St. (40.18939, -85.38655)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 34.6699	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Mechanicsburg, PA Cumberland Co. United States	Orchard Blvd. / Mcintosh Dr. (40.18977, -76.96065)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Santo António dos Olivais, Coimbra Coimbra Portugal	N17 (Estrada da Beira - Via António Ferrer Correia) / Rua do Arieiro / Rua da Escola (40.19015, -8.40036)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Arcadia, IN Hamilton Co. United States	E 276th St. / E 281st St. / (business entrance) (40.19029, -86.05290)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020
Spring Creek, UT Utah Co. United States	S Mountain Vista Pkwy. / S Sierra Vista Way. (40.19060, -111.61533)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2005). North leg added 2011-2013.
Mechanicsburg, PA Cumberland Co. United States	Haralson Dr. / Norland St. (40.19355, -76.95545)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Mechanicsburg, PA Cumberland Co. United States	Haralson Dr. / Stellar Dr. (40.19368, -76.95742)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Mechanicsburg, PA Cumberland Co. United States	Lisburn Rd. / Arcona Rd. (40.19402, -76.94066)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	https://www.wgal.com/article/lower-allen-township-roundabouts-open/29751390
Longmont, CO Boulder Co. United States	Sundance Dr. / Twilight Dr. (40.19529, -105.06175)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Initial construction without splitter islands 1999-2002. Splitter islands added 2016-2017.
(unincorporated), OH Delaware Co. United States	Home Rd. / Concord Rd. (40.19585, -83.16441)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.6666	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
East Side, CO Boulder Co. United States	E 21st Ave. / Alpine St. (40.19588, -105.08752)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2005).
Mechanicsburg, PA Cumberland Co. United States	Lisburn Rd. / Rossmoyne Rd. (40.19649, -76.94005)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	https://www.wgal.com/article/lower-allen-township-roundabouts-open/29751390
(unincorporated), OH Delaware Co. United States	Riverside Dr. / Home Rd. (40.19746, -83.13604)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.2619	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
(unincorporated), OH Delaware Co. United States	Home Rd. / S Section Line Rd. (40.19766, -83.13407)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.1740	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Longmont, CO Boulder Co. United States	Sundance Dr. / Tyrrhenian Cir. (40.19784, -105.06451)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017).
Lewis Center, OH Delaware Co. United States	Lewis Center Rd. / Home Rd. / Piatt Rd. (40.19918, -83.00608)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	Turbo roundabout. Add-lane right-turn bypass lane on west leg. Merging right-turn bypass lane on south leg. https://engineer.co.delaware.oh.us/image_slider/lewis-center-road-and-home-road-roundabout-2023/
(unincorporated), OH Delaware Co. United States	Lewis Center Rd. / North Rd. (40.19973, -83.01417)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6717	Other (At-Grade) Single-Lane	2019	Opened September 2019. https://engineer.co.delaware.oh.us/projects/lewiscenter-north/
Muncie, IN Delaware Co. United States	N Morrison Rd. / W Jackson St. (40.20002, -85.44279)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.5767	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Longmont, CO Boulder Co. United States	Sundance Dr. / Galapagos Pl. (40.20011, -105.06468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017).
Longmont, CO Boulder Co. United States	Sundance Dr. / Tyrrhenian Dr. (40.20202, -105.06468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017).
Washington, PA Washington Co. United States	Landings Dr. / Helen Dr. (40.20240, -80.20615)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2014	Painted splitter islands. Painted out outside portion of circulatory roadway. Year Completed estimated (2014-2015).
North Strabane Township, PA Washington Co. United States	SR 519 / T693 (40.20370, -80.12650)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.5748	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Santo António dos Olivais, Coimbra Coimbra Portugal	Avenida Fernando Namora / Avenida Elísio de Moura / Ladeira do Chão do Bispo / Rua General Humberto Delgado / Rua Dom Sancho (40.20485, -8.40113)	Roundabout Existing	All-Way Yield Pedestrian Signal (red-yellow-green to drivers)	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
North Strabane Township, PA Washington Co. United States	SR 519 / Thomas 84 Rd. (40.20510, -80.12600)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 36.4862	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Muncie, IN Delaware Co. United States	W Jackson St. / N Nebo Rd. (40.20592, -85.46167)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1886	Other (At-Grade) Unknown	2016	ICD estimated from Google Maps linework.
(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).
Clay, PA Lancaster Co. United States	Home Towne Blvd. / Liberty St. (40.20702, -76.20520)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands.
Santo António dos Olivais, Coimbra Coimbra Portugal	Avenida Elísio de Moura / Rua Bento de Jesus Caraça (40.20761, -8.40020)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Muncie, IN Delaware Co. United States	N McKinley Ave. / (bus transfer station) (40.20897, -85.40813)	Other Existing	All-Way Stop None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Carlisle, PA Cumberland Co. United States	B St. / Fairground Ave. (40.20914, -77.18946)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.facebook.com/carlislepa/videos/b-street-and-fairground-avenue-roundabout/587170292764586/
Carlisle, PA Cumberland Co. United States	N College St. / B St. (40.20962, -77.19535)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.youtube.com/watch?v=KwvSjWacVwI
(unincorporated), PA Westmoreland Co. United States	Waltz Mill Rd. / I-70 EB Ramps (40.21090, -79.66617)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	Raindrop shaped. Year Completed estimated (2021-2023).