Roundabouts Database Index

29411 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.

City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Neenah, WI Winnebago Co. United States	STH 76 / CR JJ (Breezewood Ln.) (44.15610, -88.54400)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2020
Neenah, WI Winnebago Co. United States	STH 76 / CR G (44.14099, -88.54394)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020
Neenah, WI Winnebago Co. United States	STH 76 / CR GG (44.11205, -88.54355)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020
Oshkosh, WI Winnebago Co. United States	Country Park Dr. / Community Park Dr. (44.07467, -88.53138)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Moss Vale, NSW Wingecarribee Australia	A48 (Argyle St. - Robertson Rd.) / Argyle St. / Suttor Rd. (-34.54593, 150.37928)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Moss Vale, NSW Wingecarribee Australia	Valetta St. / Elizabeth St. (-34.54747, 150.37542)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bowral, NSW Wingecarribee Australia	B73 (Kangaloon Rd. - Moss Vale Rd.) / Moss Vale Rd. / Funston St. (-34.48465, 150.41594)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Avoca, NSW Wingecarribee Australia	A48 (Illawarra Hwy.) / B73 (Sheepwash Rd.) (-34.57509, 150.47828)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
New Berrima, NSW Wingecarribee Australia	Old Hume Hwy. / Medway Rd. / Taylor Ave. (-34.49970, 150.32175)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Moss Vale, NSW Wingecarribee Australia	Broughton St. / North St. (-34.55793, 150.36370)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Exeter, NSW Wingecarribee Australia	Sallys Corner Rd. / Hume Hwy frontage road / M31 (Hume Hwy.) WB Off-Ramp (-34.60724, 150.22831)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
White River Junction, VT Windsor Co. United States	US 5 / Sykes Mountain Ave. / (parking) (43.64694, -72.33556)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2021	https://www.vnews.com/Hartford-prepares-to-use-Route-5-roundabout-40112771
White River Junction, VT Windsor Co. United States	Sykes Mountain Ave. / Ralph Lehman Dr. (43.64620, -72.33411)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2021	https://www.vnews.com/Hartford-prepares-to-use-Route-5-roundabout-40112771
Cox Green, England Windsor And Maidenhead United Kingdom	Holyport Interchange: A404 (M) / A308 (M) / M4 Ramps (51.49903, -0.72393)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Maidenhead, England Windsor And Maidenhead United Kingdom	Braywick Roundabout: A308 / A308 (M) / A330 / Braywick Rd. (51.50423, -0.71170)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Fishery, England Windsor And Maidenhead United Kingdom	A308 (Braywick Rd.) / Stafferton Way / Rushington Ave. (51.51711, -0.72021)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Maidenhead, England Windsor And Maidenhead United Kingdom	A4 / A308 (51.52276, -0.72468)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Maidenhead, England Windsor And Maidenhead United Kingdom	A4 / B4447 (51.52457, -0.72022)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Maidenhead, England Windsor And Maidenhead United Kingdom	A4 / Forlease Rd. (51.52442, -0.71510)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Maidenhead, England Windsor And Maidenhead United Kingdom	A4 / A4094 (Ray Mead Rd.) (51.52395, -0.70372)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Clewer Green, England Windsor And Maidenhead United Kingdom	A332 (Royal Windsor Way) / B3024 (Clarence Rd.) / B3173 (Imperial Rd.) (51.47994, -0.62424)	Signalized Roundabout/Circle Existing	Signal Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Clewer Village, England Windsor And Maidenhead United Kingdom	A308 (Maidenhead Rd.) / A332 (Royal Windsor Way) Ramps (51.48356, -0.62366)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)
Windsor Castle, England Windsor And Maidenhead United Kingdom	Charles St. / Arthur Rd. / Goswell Rd. (51.48234, -0.61213)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Clewer Green, England Windsor And Maidenhead United Kingdom	A308 (Osborne Rd.) / Alma Rd. (51.47645, -0.61702)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Spital, England Windsor And Maidenhead United Kingdom	B3022 (St Leonard's Rd.) / Bolton Rd. (51.47136, -0.61687)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Dedworth, England Windsor And Maidenhead United Kingdom	B3022 (Winkfield Rd.) / Legoland Windsor (51.46308, -0.64514)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Brattleboro, VT Windham Co. United States	Rte 9 / Rte 5 (42.88500, -72.55670)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, 2x2 max)	1999	Adjacent to I-89. Heavy truck volume (>7%).
Willimantic, CT Windham Co. United States	Eastern Rd. / (driveway) (ECSU Campus by clock tower) (41.72001, -72.21691)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 24.0693	Other (At-Grade) Single-Lane	1999	Not properly signed and painted, but lots of potential for demonstrating this intersection concept. ICD estimated from Google Maps linework.
Winchester, VA Winchester City Co. United States	E Piccadilly St. / N East Ln. / National Ave. (39.18564, -78.16067)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.9204	Other (At-Grade) Single-Lane	2015	https://www.facebook.com/winchestervagov/posts/roundabout-at-national-avenuepiccadilly-street-intersection-is-really-beginning-/10153626945621055/. ICD estimated from Google Maps linework.
Winchester, VA Winchester City United States	Mahone Dr. / Ramseur Ln. (39.18178, -78.18846)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Winchester, VA Winchester City United States	Mahone Dr. / Rhodes Cir. / Gordon Pl. / McGruder Ct. (39.18038, -78.19089)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Swindon, England Wiltshire United Kingdom	"Magic Roundabout" [A4312 / Drove Rd. / Fleming Way / A4289 (County Rd.) / Shrivenham Rd.] (51.56285, -1.77147)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 66.0791	Other (At-Grade) Ring junction (3+ mini-roundabouts in ring)	1972	Ring junction of five mini-roundabouts. ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	Pipers Roundabout (51.54561, -1.77064)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 57.9339	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	Belle Vue Rd. / Drove Rd. (51.55480, -1.77616)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 14.8519	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	Fleming Way / Spring Gardens (51.56260, -1.77877)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 15.5918	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	Fleming Way / Princes St. (51.56262, -1.78059)	Roundabout Removed	All-Way Yield Unknown	4 Approaches 0 Driveways 71.2766	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	Corporation St. / Broad St. (51.56386, -1.78054)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 15.5913	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	Great Western Way / Corporation St. (51.56788, -1.78271)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.2851	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	Great Western Way / Polaris Way (51.56811, -1.78391)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.6645	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	B4289 / N Star Ave. (51.56987, -1.78866)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.8597	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	N Star Ave. / Hawksworth Way (51.56889, -1.78968)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 35.6334	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	A4311 / Elgin Dr. (51.57595, -1.77163)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 37.8546	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	A4311 / Kembrey St. (51.57749, -1.77427)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.1111	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	A4311 / Chapel St. (51.57187, -1.77101)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.1157	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	Chapel Street / Bright Street (51.57181, -1.77297)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 89.0778	Other (At-Grade) Single-lane w/ Traversable Central Island		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	Kembrey St. / Larch Close (51.57756, -1.77262)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 19.2977	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	Marlborough Rd. / Queens Dr. / Shaftesbury Ave. / Dorcan Way (51.54567, -1.74569)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways 80.9588	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	B4006 / Eldene Dr. / Liden Dr. (51.54874, -1.73651)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 88.3803	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	A4259 / A419 Ramps (51.54037, -1.72262)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 132.9663	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	A419 / M4 Ramps (51.52687, -1.72476)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways 16.3471	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	A4312 / A420 / A419 Ramps / Ermin St. (51.57640, -1.73358)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 129.1498	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	A420 / Thornhill Rd. (51.57845, -1.72835)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 49.7278	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Swindon, England Wilts United Kingdom	A420 / A419 Ramps (51.57264, -1.73221)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.3112	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Lebanon, TN Wilson Co. United States	Public Square (Main St. / Cumberland St.) (36.20798, -86.29111)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.5471	Other (At-Grade) Single-Lane	2015	Rebuilt town square; previously was mostly a parking lot. ICD estimated from Google Maps linework.
Wilson, NC Wilson Co. United States	Atlantic Christian College Dr. / Raleigh Road Pkwy. / Corbett Ave. (35.73794, -77.91118)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.0219	Other (At-Grade) Single-Lane	2013	At Barton College. ICD estimated from Google Maps linework.
Fredonia, KS Wilson Co. United States	US 400 / K-47 (E Washington St.) (37.52994, -95.80176)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Single-Lane	2009	Opened October 2009.
Lebanon, TN Wilson Co. United States	Legends Dr. / (unknown) (36.18777, -86.28666)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	North and south legs stubbed. Year Completed estimated (2018-2019).
Lebanon, TN Wilson Co. United States	Spence Creek Rd. / Owl Dr. / Rock Castle Dr. (36.25119, -86.44059)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.2440	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2008).
Artarmon, NSW Willoughby Australia	Reserve Rd. / Frederick St. (-33.81803, 151.18840)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Georgetown, TX Williamson Co. United States	Northwest Blvd. / Fontana Blvd. / Rivery Blvd. (30.65757, -97.67806)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.9120	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	Year Completed estimated (2020-2021).
Georgetown, TX Williamson Co. United States	Rivery Blvd. / Park Ln. (30.65498, -97.68040)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	https://communityimpact.com/austin/georgetown/city-county/2019/09/13/phase-1-of-rivery-boulevard-extension-project-to-park-lane-now-open/
Leander, TX Williamson Co. United States	Sonny Dr. / Peregrine Way (30.55905, -97.86701)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Single-Lane	2013	Painted splitter islands. Partially completed in 2013; third and fourth legs added in 2015.
Leander, TX Williamson Co. United States	Talon Grasp Trl. / Hoot Owl Ln. (30.62262, -97.86496)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 54.8637	Other (At-Grade) Single-Lane	2014
(unincorporated), TX Williamson Co. United States	Umbrella Sky (30.71911, -97.94194)	Other Existing	All-Way Yield None	2 Approaches 1 Driveways 39.6240	Other (At-Grade) Single-Lane	2014
Leander, TX Williamson Co. United States	Osage Dr. (30.53272, -97.86920)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 33.5277	Other (At-Grade) Single-Lane	2012
Leander, TX Williamson Co. United States	Osage Dr. / Aspen Meadow Rd. (30.54087, -97.85300)	Other Existing	Other None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2003	Painter splitter islands on two legs. Stop control and no splitter island on one leg.
Leander, TX Williamson Co. United States	Osage Dr. / Saddle Blanket Pl. (30.53947, -97.85740)	Other Existing	Other None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2003	Stop control and no splitter islands on two legs.
Cedar Park, TX Williamson Co. United States	Bull Creek Pkwy. / Big Bend Dr. (30.53052, -97.82754)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2005
Cedar Park, TX Williamson Co. United States	Palo Duro Dr. / Hill Country Dr. (30.53198, -97.82604)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2004
Leander, TX Williamson Co. United States	S Brook Dr. / W. Broade St. (30.58939, -97.86283)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2015
Cedar Park, TX Williamson Co. United States	Alamo Plaza Dr. / Enchanted Rock Dr. (30.53461, -97.82527)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 70.1040	Other (At-Grade) Single-Lane	2011	Diamond shaped. Pedestrian access to central island; no splitter islands.
Cedar Park, TX Williamson Co. United States	Big Spring Dr. / Colorado Bend Dr. (30.53151, -97.82338)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4310	Other (At-Grade) Single-Lane	2004
(unincorporated), TX Williamson Co. United States	Bold Sundown / Claimjumper (30.71444, -97.94058)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2014
(unincorporated), TX Williamson Co. United States	Bold Sundown / Umbrella Sky (30.71582, -97.93546)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2014
Liberty Hill, TX Williamson Co. United States	Bridget Cir. / Sarahs Ln. (30.68407, -97.93606)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2008
Leander, TX Williamson Co. United States	Bryson Ridge Trl. / Pleasant Hill Rd. (30.60746, -97.85125)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0037	Other (At-Grade) Single-Lane	2016
Leander, TX Williamson Co. United States	Calla Lily Blvd. / Water Hyacinth Loop / Water Hyssop Loop (30.56533, -97.83054)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2011
Cedar Park, TX Williamson Co. United States	Discovery Blvd. / Main St. (30.52920, -97.82161)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2004	Partially completed between 2002-2005, third leg added in 2009. Completed in 2015.
Carterville, IL Williamson Co. United States	Cambria Rd. / Herrin Rd. (37.81089, -89.12377)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.6717	Other (At-Grade) Single-Lane	2020	https://wsiltv.com/2020/05/29/williamson-county-intersection-to-close-for-construction/
Georgetown, TX Williamson Co. United States	Riverhaven Dr. / E Morrow St. / College St. (30.65443, -97.66443)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Single-Lane	2010	Opened to traffic in March 2010. Replaced three closely spaced intersections in a triangular layout.
Georgetown, TX Williamson Co. United States	Teravista Crossing / Lake Teravista Way (30.58704, -97.66839)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2015).
Marion, IL Williamson Co. United States	Morgan Ave. (The Hill) / N Carbon St. (37.74458, -88.94792)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2019	https://local.nixle.com/alert/7707046/
Brentwood, TN Williamson Co. United States	Crockett Rd. / Green Hill Blvd. / Raintree Pkwy. (35.97879, -86.75281)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.0618	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Marion, IL Williamson Co. United States	N Russell St. / W Boulevard St. (37.73692, -88.94186)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.8347	Other (At-Grade) Single-Lane	2015	date: https://www.kfvs12.com/story/29497509/marion-to-install-roundabout-at-busy-intersection/ ICD estimated from Google Maps linework.
Cedar Park, TX Williamson Co. United States	Lynnwood Trl. / E Park St. (30.51423, -97.81197)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2002	Minimal splitter islands on two legs.
Cedar Park, TX Williamson Co. United States	Crockett Rd. / Truman Ln. (30.51700, -97.80960)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6710	Other (At-Grade) Single-Lane	2002	Minimal splitter islands.
Cedar Park, TX Williamson Co. United States	Discovery Blvd. / Central Park Dr. / (parking access road) (30.52554, -97.82136)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2004	Right-turn bypass lane on south leg. Year Completed estimated (2002-2005).
Round Rock, TX Williamson Co. United States	Blair St. / Round Rock Ave. (30.50886, -97.68008)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2016	.
Brentwood, TN Williamson Co. United States	Crockett Rd. / Arrowhead Dr. (35.97701, -86.76277)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.0624	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Brentwood, TN Williamson Co. United States	Wilson Pike Cir. / Town Center Way (36.03482, -86.78563)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.2135	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Franklin, TN Williamson Co. United States	Cool Springs Blvd. / McEwen Dr. (35.93203, -86.79422)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.5838	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Fourth leg added in 2014 ( http://www.franklintn.gov/home/showdocument?id=17928 ) ICD estimated from Google Maps linework.
Franklin, TN Williamson Co. United States	Liberty Pike / Oxford Glen Dr. (35.92375, -86.79452)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.1135	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1997-2006). Truck apron added in 2007 (streetview). ICD estimated from Google Maps linework.
Franklin, TN Williamson Co. United States	Liberty Pike / Turning Wheel Ln. (35.92445, -86.80250)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.1132	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1997-2006). ICD estimated from Google Maps linework.
Franklin, TN Williamson Co. United States	Franklin Square (Main St. / 3rd Ave.) (35.92521, -86.86895)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.5543	Other (At-Grade) Multilane (2 Lane, unspecified)		Pedestrian access to central island; parking around the outside of the circle; painted splitter islands. ICD estimated from Google Maps linework.
Brentwood, TN Williamson Co. United States	Green Hill Blvd. / Bathwick Dr. (36.01170, -86.75138)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2017	One-stage pedestrian crossings. Original circle built 2013-2014. Converted from circle to roundabout by adding splitter islands. Year Completed estimated (2016-2018).
McEwen, TN Williamson Co. United States	Mayfield Dr. / Walters Ave. / Broadwell Cir. (35.95380, -86.80015)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands on north and south legs.
McEwen, TN Williamson Co. United States	Bakers Bridge Ave. / Sliders Knob Ave. (35.95782, -86.79923)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands on north and south legs.
McEwen, TN Williamson Co. United States	Resource Pkwy. / Lemon Grass Dr. (35.93406, -86.80674)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2011	Southwest leg stubbed.
Seward Hall, TN Williamson Co. United States	Watson View Dr. / Lena Ln. (35.91017, -86.80052)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on west and north legs.
Seward Hall, TN Williamson Co. United States	Hurstbourne Park Blvd. (35.90533, -86.79647)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		Pedestrian access to central island.