Roundabouts Database Index

30730 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
Brisbane, Queensland Ipswich Australia	SR 39 (Robertson Rd. / S Station Rd.) / S Station Rd. (-27.62945, 152.78636)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Flinders View, Queensland Ipswich Australia	Ash St. / Whitehill Rd. / Reif St. (-27.65178, 152.76714)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Flinders View, Queensland Ipswich Australia	Reif St. / Fairview Ave. / Plover St. (-27.65227, 152.77107)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Parkinson, Queensland Brisbane Australia	Algester Rd. / Roseneath Dr. / Bannockburn Crescent (-27.63645, 153.03008)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Monroe, WA Snohomish Co. United States	SR 522 EB Ramps / 164th St. SE / Tester Rd. (47.84863, -122.00580)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 60.9143	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2001	Completed August 2001. This project won the Washington State APWA 2001 Project of the Award and the ASCE Seattle Section 2001 Outstanding Project Award. The Project is documented in the Compendium of Papers for 2000 ITE District 6 Annual Meeting, San Diego, CA. Reconfiguration of two intersections into a roundabout. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Federal Way, WA King Co. United States	Weyerhaeuser Way S / 33rd Pl. S / 32nd Dr. S (47.29863, -122.29280)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2000	Opened April 2000.
(unincorporated), CO Douglas Co. United States	Ridgegate Pkwy. / Ridgegate Cir. / Commons St. (39.53190, -104.88293)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.9120	Other (At-Grade) Single-Lane	2006	Part of transit-oriented development near future light-rail station. Constructed originally as 2x1 roundabout; reduced to single-lane roundabout using striping in 2015.
Ridgeland, MS Madison Co. United States	Old Agency Rd. / Highland Colony Pkwy. (32.43125, -90.14893)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	Elliptical shaped. ICD = 200 ft x 180 ft. Merging right-turn bypass lanes on all legs. Planned in association with interchange improvements at I-55/Old Agency Rd.
(unincorporated), CO Douglas Co. United States	Ridgegate Pkwy. / Ridgegate Cir. / Park Meadows Blvd. (39.52945, -104.87450)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.9120	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2006	Originally constructed as 2x2 roundabout; reduced to 2x1 roundabout with right-turn-only legs on northeast and southeast legs in 2015. Part of transit-oriented development near future light-rail station.
Scaggsville, MD Howard Co. United States	MD 216 (Scaggsville Rd.) / US 29 SB Ramps (39.14562, -76.90418)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 70.1040	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2001	Series of 4 roundabouts.
Malta, NY Saratoga Co. United States	Rte 67 (Dunning St.) / State Farm Pl. (42.96991, -73.80676)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006	Part of a series of 5 roundabouts.
Merredin, Western Australia Merredin Australia	Mary St. / Barrack St. (-31.48177, 118.28323)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Helena Valley, Western Australia Mundaring Australia	Helena Valley Rd. / Ridge Hill Rd. / The Crescent (-31.92346, 116.04788)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Helena Valley, Western Australia Mundaring Australia	Helena Valley Rd. / Drummond Gardens / Allamanda Gate (-31.91499, 116.02607)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane		Elliptical shaped. ICD = 35 m x 30 m.
Hazelmere, Western Australia Swan Australia	Lloyd St. / Bushmead Rd. (-31.90792, 116.00332)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 72.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Hazelmere, Western Australia Swan Australia	Bushmead Rd. / Stirling Crescent (-31.91067, 116.00976)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bassendean, Western Australia Bassendean Australia	Old Perth Rd. / West Rd. (-31.90438, 115.95410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Helena Valley, Western Australia Mundaring Australia	Clayton Rd. / Scott St. (-31.91871, 116.04825)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Coodanup, Western Australia Mandurah Australia	Wanjeep St. / Coodanup Dr. / Landings Blvd. (-32.54825, 115.75017)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Narrogin, Western Australia Narrogin Australia	SR 120 (Great Southern Hwy.) / Kipling St. / Clayton Rd. (-32.93079, 117.17955)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 75.0000	Other (At-Grade) Single-Lane
Epping, Victoria Whittlesea Australia	Metro Route 58 (Memorial Ave. / McDonalds Rd.) / Dalton Rd. / Davisson St. (-37.64503, 145.03061)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Diamond Creek, Victoria Nillumbik Australia	Metro Route 46-Metro Route 57 / Metro Route 46 (Main St.) / Metro Route 57 (Main St.) / Stone St. (-37.67519, 145.14678)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Temora, New South Wales Temora Australia	B94 (Victoria St.) / B85 (Hoskins St.) (-34.44885, 147.53462)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Temora, New South Wales Temora Australia	B85 (Hoskins St.) / Loftus St. (-34.44688, 147.53375)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Temora, New South Wales Temora Australia	B85 (Hoskins St.) / Parkes St. / Anzac St. (-34.44492, 147.53294)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cootamundra, New South Wales Cootamundra-Gundagai Australia	A41 (Olympic Hwy.) / Hovell St. / Gundagai Rd. (-34.64346, 148.02723)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cootamundra, New South Wales Cootamundra-Gundagai Australia	A41 (Olympic Hwy.) / MacKay St. / Sutton St. (-34.64268, 148.02598)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Willingshausen, Hesse Schwalm-Eder-Kreis Germany	B254-B454 / B254 / B454 (50.90037, 9.27451)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Erfurt, Thuringia Erfurt Germany	Werner-Seelenbinder Straße / Carl-Spier Straße / Arndtstraße / Arnstädter Hohle (50.95768, 11.03485)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.0000	Other (At-Grade) Single-Lane	2024	Year Completed estimated (2022-2025).
Erfurt, Thuringia Erfurt Germany	K56 (Demminer Straße) / Dubliner Straße / (parking) (51.01320, 10.98764)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2019	Year Completed estimated (2018-2020).