Roundabouts Database Index

29616 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
Loveland, CO Larimer Co. United States	Valley Oak Dr. / Clearwater Dr. (40.44328, -105.02180)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 34.5398	Other (At-Grade) Single-Lane	2000	Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	Moore Blvd. / Rockwell Dr. (38.56830, -121.72630)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.2127	Other (At-Grade) Single-Lane	1999	Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	Moore Blvd. / Wright Blvd. (38.56490, -121.71860)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.2801	Other (At-Grade) Single-Lane	1999	Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Rigden Pkwy. / Custer Dr. (40.54863, -105.02960)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.9307	Other (At-Grade) Single-Lane	2001	Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Boynton Beach, FL Palm Beach Co. United States	Hagen Ranch Rd. / Gateway Blvd. / Aberdeen Lakes Rd. (26.54660, -80.16390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.5051	Other (At-Grade) Single-Lane	2000	Date estimated. ICD estimated from Google Maps linework.
Boynton Beach, FL Palm Beach Co. United States	Hagen Ranch Rd. / Le Chalet Blvd. (26.55650, -80.15710)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.2298	Other (At-Grade) Single-Lane	2000	Date estimated. ICD estimated from Google Maps linework.
Calgary, AB Calgary Region Canada	Discovery Ridge Blvd. / Discovery Dr. (51.01179, -114.20000)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.0855	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	Date estimated. ICD estimated from Google Maps linework.
Lindon, UT Utah Co. United States	400 South / 600 West (Lindon Park Circle) (40.33034, -111.73140)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 33.6873	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	Date estimated. ICD estimated from Google Maps linework.
Denali National Park, AK Denali National Park United States	Denali National Park (63.73358, -148.91550)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.3554	Other (At-Grade) Single-Lane	2002	Date estimated. ICD estimated from Google Maps linework.
Shawnee, KS Johnson Co. United States	Woodsonia Dr. / Clear Creek Pkwy. (39.02142, -94.84924)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 32.4760	Other (At-Grade) Single-Lane	2004	Date estimated. ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	Washington Pkwy. / (unknown) (37.14462, -113.48590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9290	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	Date estimated. ICD estimated from Google Maps linework.
Madison, WI Dane Co. United States	Star Dr. / Apollo Way (43.08892, -89.27760)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.1663	Other (At-Grade) Single-Lane	2003	Date estimated. ICD estimated from Google Maps linework.
Madison, WI Dane Co. United States	Star Dr. / Dominion Dr. (43.09153, -89.27502)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.1652	Other (At-Grade) Single-Lane	2006	Date estimated. ICD estimated from Google Maps linework.
Madison, WI Dane Co. United States	McLean Dr. / Sharpsburg Dr. (43.08695, -89.27359)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.1672	Other (At-Grade) Single-Lane	2003	Date estimated. ICD estimated from Google Maps linework.
University Place, WA Pierce Co. United States	Grandview Dr. / Olympic Blvd. (47.22188, -122.55790)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1454	Other (At-Grade) Single-Lane	1997	Curtis High School and Curtis Junior High School on NE corner of roundabout. Opened August 1997. Functional Class: Arterial ICD estimated from Google Maps linework.
Roswell, GA Fulton Co. United States	Hardscrabble Rd. / Chaffin Rd. (34.06920, -84.37389)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2018	Currently striped as single-lane movement from east to west but designed for expansion to two lanes.
Bellingham, WA Whatcom Co. United States	Cordata Pkwy. / Horton Rd. (48.80595, -122.49677)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.0896	Other (At-Grade) Single-Lane	2019	Curb returns are further back from ICD than leading ends of splitter islands.
Berkeley, CA Alameda Co. United States	Piedmont Ave. / Channing Way (37.86780, -122.25188)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Crosswalks within circulatory roadway.
Carignan, QC La Vallée-du-Richelieu Regional County Municipality Canada	Rue Olivier-Morel / Rue Martel / Rue Jean-De Ronceray / Rue Chevalier-de-Chaumont (45.46723, -73.29440)	Other Existing	All-Way Yield Other	4 Approaches 0 Driveways 41.8801	Other (At-Grade) Single-Lane		Crosswalks to center island; bus stop on circle. ICD estimated from Google Maps linework.
Gardner, MA Worcester Co. United States	Timpany Blvd (Rte 68) / Rte 2 (42.56665, -71.99296)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 140.7379	Freeway Ramps (Grade-Separated) Single-Lane		Crosswalks present ICD estimated from Google Maps linework.
(unincorporated), GA Forsyth Co. United States	Milton Dr. / Marlow Dr. (34.13611, -84.12722)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.7711	Other (At-Grade) Single-Lane	2004	Crosswalks on two legs. Functional Class: Local ICD estimated from Google Maps linework.
Worcester, MA Worcester Co. United States	Lake Ave. / S Rd. (42.27715, -71.75925)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.8821	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Crosswalks on all approaches. Year Completed estimated (2010-2014). ICD estimated from Google Maps linework.
Hyannis, MA Barnstable Co. United States	Bearses Way / Basset Lane (41.65436, -70.29148)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8786	Other (At-Grade) Single-Lane	2009	crosswalks on all approaches ICD estimated from Google Maps linework.
North Salt Lake, UT Davis Co. United States	Orchard Dr. / E Eaglegate Dr. (40.83459, -111.91224)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2011	Crosswalks next to circulatory roadway. Year Completed estimated (2010-2011).
Bryan, TX Brazos Co. United States	N Main St. / 23rd St. (30.67649, -96.37298)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2018	Crosswalks at yield line.
Greenbelt, MD Prince George's Co. United States	Greenbelt Station Pkwy. / Stream Bank Ln. (39.00060, -76.91754)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2014	Crosswalks at yield line on all leg. Year Completed estimated (2013-2014). West leg opened 2016.
Waikoloa, HI Hawaii Co. United States	Mauna Lani Dr. / Kaniku Dr. (19.93999, -155.85740)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 100.5840	Other (At-Grade) Single-Lane		Crosswalks are much further away from the circle than at typical roundabout.
Shasta Lake, CA Shasta Co. United States	Smith Ave. / Jorsack Way / Rosstay Way (40.66503, -122.36168)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2006	Crosswalks are at unmarked entrance lines.
Saint Charles, MD Charles Co. United States	Devongate St. / Malvern St. / Promenade Pl. (38.61057, -76.93790)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2009	Crosswalks adjacent to circulatory roadway. Year Completed estimated (2008-2009).
Roseville, CA Placer Co. United States	Westhills Dr. / Morningstar Dr. / St. Basil Cir. (38.76151, -121.35340)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.5951	Other (At-Grade) Single-Lane	2001	Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
Roseville, CA Placer Co. United States	Park Regency Dr. / Hiawatha Dr. / Sharifa Way / Bottlebrush Cir. (38.76105, -121.34870)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2518	Other (At-Grade) Single-Lane	2001	Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
Roseville, CA Placer Co. United States	Park Regency Dr. / Castlebridge Dr. / Hillingdon St. (38.75455, -121.34680)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.5983	Other (At-Grade) Single-Lane	2001	Crosswalks adjacent to circle. ICD estimated from Google Maps linework.
Olean, NY Cattaraugus Co. United States	N Union St. / Olean Center Mall parking lot (42.08303, -78.42993)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.8192	Other (At-Grade) Single-Lane	2015	Crosswalks on side street pass across painted splitter island in front of yield line. ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	W City Center Dr. / N Pennsylvania St. / (hotel parking) (39.96483, -86.15517)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.6998	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Crosswalk on hotel parking leg is at entrance line. ICD estimated from Google Maps linework.
Olean, NY Cattaraugus Co. United States	N Union St. / Wayne St. / (parking lot) (42.08521, -78.42995)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.8183	Other (At-Grade) Single-Lane	2015	Crosswalk on east parking lot leg passes over painted splitter island in front of yield position. ICD estimated from Google Maps linework.
Buffalo, MN Wright Co. United States	Pulaski Rd. / 16th St. NE (45.19438, -93.84424)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2002	Crosswalk on east leg passes within circulatory roadway.
Mechanicsville, VA Hanover Co. United States	Battalion Dr. / Brigadier Rd. (37.64610, -77.34683)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4244	Other (At-Grade) Single-Lane	2003	Crosswalk ends in driveway. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Clackamas, OR Clackamas Co. United States	SE 172nd Ave. / SE Creekwood Rd. (45.41880, -122.48550)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.5928	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Creekwood Rd. is new roadway; SE 172nd Avenue is existing. ICD estimated from Google Maps linework.
Oxford, MS Lafayette Co. United States	S Lamar Blvd. / Van Buren Ave. / E Jackson Ave. (34.36641, -89.51870)	Other Existing	Other Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	1900	Courthouse with pedestrian access and parking around central island. Year Completed estimated.
Whiteville, NC Columbus Co. United States	Washington St. / Jefferson St. / Madison St. / Pinckney St. (34.33876, -78.70360)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 63.1153	Other (At-Grade) Single-Lane		Courthouse in central island. ICD = 200 ft. ICD estimated from Google Maps linework.
Monticello, FL Jefferson Co. United States	10 Court House Circle (30.54514, -83.87016)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 63.7726	Other (At-Grade) Single-Lane	1910	Courthouse in central island with pedestrian access. ICD estimated from Google Maps linework.
Carthage, NC Moore Co. United States	Courthouse Square (McReynolds St. / Down Rd. / Martin St.) (35.34581, -79.41710)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 61.3736	Other (At-Grade) Single-Lane		Courthouse in center island. ICD estimated from Google Maps linework.
Brayton, IA Cass Co. United States	710th St. / 350th St. (41.50440, -94.83505)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Cottonwood tree in center of intersection. On Audubon County-Cass County Line. https://www.roadsideamerica.com/tip/8830
New Oxford, PA Adams Co. United States	Center Square (Lincoln Way / Hanover St. / Carlilse St.) (39.86388, -77.05586)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 73.3384	Other (At-Grade) Single-Lane		Converted town square: pedestrian access to central island; parking around circle. ICD estimated from Google Maps linework.
Jamaica Plain, MA Suffolk Co. United States	Heath Square Rotary (Heath St. / New Heath St. / Hensley St. / Parker St.) (42.32630, -71.10037)	Rotary Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 33.5538	Other (At-Grade) Single-Lane	2004	Converted to circular rotary from triangular intersection in 2004. ICD estimated from Google Maps linework.
Trois-Rivières, QC Trois-Rivieres Canada	Boulevard Laviolette / Boulevard des Récollets (46.36018, -72.56988)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 80.7749	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	Converted rotary. Initial conversion estimated (2003-2007). Striping refinements 2013-2016. ICD estimated from Google Maps linework.
Wantagh, NY Nassau Co. United States	Ocean Pkwy. / Jones Beach Causeway (40.59647, -73.50811)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 106.1035	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Converted rotary. ICD estimated from Google Maps linework.
Kansas City, MO Platte Co. United States	N Ambassador Dr. / NW Tiffany Springs Pkwy. (39.27269, -94.66401)	Rotary Existing	All-Way Yield None	3 Approaches 0 Driveways 101.7038	Other (At-Grade) Multilane (2 Lane, unspecified)		Converted rotary. ICD estimated from Google Maps linework.
Hilton Head, SC Beaufort Co. United States	US 278 / Pope Ave. / Greenwood Dr. / William Hilton Pkwy. (32.15560, -80.76283)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 91.0011	Other (At-Grade) Single-Lane	2000	Converted rotary with large diameter. Right turn bypass lanes on all legs. Conversion Year Completed estimated (1994-2005). ICD estimated from Google Maps linework.
Jacksonville, FL Duval Co. United States	Spring Glen Rd. / Spring Park Rd. / Englewood Ave. (30.28219, -81.61938)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2007	Converted old traffic circle that had pedestrian access to central island.
Ottawa, ON City of Ottawa Canada	Prince of Wales Dr. / National Capital Com Driveway (45.39028, -75.70744)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.2598	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Converted old circle. ICD estimated from Google Maps linework.
Laurel, MS Jones Co. United States	Central Ave. / N 5th Ave. (31.69251, -89.13109)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	Converted from traffic circle with all-way stop control by adding small raised splitter islands and converting to yield on entry. Year Completed estimated (2019-2022).
St Louis, MO St. Louis City Co. United States	McKinley Dr. / Wells Dr. (38.63354, -90.28072)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.4467	Other (At-Grade) Single-Lane	2008	Converted from traffic circle in 2007-2008. Previous circle had on-street parking in circulatory roadway. ICD estimated from Google Maps linework.
Rochester, NY Monroe Co. United States	E River Rd. / Murlin Dr. / Kendrick Rd. (43.11413, -77.63435)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2334	Other (At-Grade) Single-Lane	2013	Converted from three-way intersection into four-way intersection. ICD estimated from Google Maps linework.
Mount Pleasant, SC Charleston Co. United States	Park West Blvd. / Grey Marsh Rd. (32.89115, -79.79406)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.1038	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Converted from rotary. Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
East Aurora, NY Erie Co. United States	Rte 20A / Rte 78 (42.76773, -78.62917)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 38.1000	Other (At-Grade) Single-Lane	2009	Converted from rotary.
Riverhead, NY Suffolk Co. United States	Flanders Rd. (Rte. 24) / Peconic Ave. / Lake Ave. / Riverleigh Ave. (40.91461, -72.66277)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 58.6650	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Converted from rotary to roundabout in 2018. https://riverheadlocal.com/2018/10/26/its-been-a-long-road-to-a-new-roundabout-in-riverside-but-its-officially-completed/. ICD estimated from Google Maps linework.
Farmingdale, NJ Monmouth Co. United States	NJ-34 / NJ-35 / CR-547 (40.21926, -74.12851)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 100.3161	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Converted from rotary (signing/striping only; no geometric changes) in 2006-2007. ICD estimated from Google Maps linework.
Londontowne, MD Anne Arundel Co. United States	Millhaven Dr. / Two Rivers Dr. / Tilden Way (38.93715, -76.56159)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2006	Converted from open intersection. Year Completed estimated (2005-2006).
Reno, NV Washoe Co. United States	Raggio Pkwy. / (unknown) (39.57033, -119.79414)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 73.1520	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Converted from older rotary in 2010-2011 with striping to remove concentric circulatory roadway striping.
Yesilyurt, Malatya Turkey	Malatya Komur Tevzi Roundabout (38.35323, 38.29684)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 62.5000	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Converted from older circle.
Shelter Island, NY Suffolk Co. United States	Rte 114 / Bateman Rd. / School St. (41.06829, -72.33887)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.8096	Other (At-Grade) Single-Lane	2010	Converted from old traffic circle. ICD estimated from Google Maps linework.
Augusta, ME Kennebec Co. United States	Cony Circle (Rte. 9 / Rte. 100 / Rte. 17 / Rte. 105) (44.31622, -69.76796)	Roundabout Existing	Unknown Unknown	5 Approaches 0 Driveways 55.5448	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Converted from old traffic circle to roundabout. Previously controlled by circle ICD estimated from Google Maps linework.
Allwood, NJ Passaic Co. United States	Allwood Rd. / Bloomfield Ave. (40.84302, -74.15957)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.0792	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Converted from non-circular rotary. ICD estimated from Google Maps linework.
Whitby, ON Durham Canada	Coronation Rd. / Twin Streams Rd. (43.90073, -78.98366)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2023	Converted from neighborhood traffic calming circle in 2022-2024.
Columbia, MD Howard Co. United States	Charter Dr. / (parking) (39.21273, -76.88310)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2013	Converted from cul-de-sac. Year Completed estimated (2011-2014).
Hilliard, OH Franklin Co. United States	Britton Pkwy. / Riggins Rd. (40.06493, -83.13857)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8637	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2006	Converted from 2x2 roundabout to a 2x1 roundabout in 2020 by changing the EB and WB thru/right lanes to RT only lanes.
Newport, RI Newport Co. United States	J. T. Connell Hwy. / Admiral Kalbfus Rd. (41.50703, -71.31757)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2022	Conversion from rotary to roundabout. https://www.newportthisweek.com/articles/rotary-morphing-into-a-roundabout/
Cambridge, MA Middlesex Co. United States	Memorial Dr (Rte 3) / Brookline St / BU Bridge (Rte 2) (42.35424, -71.11081)	Rotary Existing	Other None	4 Approaches 0 Driveways 84.7297	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Control Types: Signals on BU Bridge approach and exit, other approaches yield sign. ICD estimated from Google Maps linework.
Fitchburg, MA Worcester Co. United States	River St (Rte 2A, 31) / Kimball St (Rte 12) / Daniels St (42.58252, -71.81891)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 2 Driveways 32.5374	Other (At-Grade) Single-Lane		Control Type; All way Yield, except for Daniel St. A crosswalk over River St is missing. River St WB has a large median, no crosswalk utilizing it. Industrial mixed-use context. ICD estimated from Google Maps linework.
Union Hill, MA Worcester Co. United States	Grafton St (Rte 122) / Hamilton St / Orient St (42.25577, -71.78528)	Traffic Calming Circle Existing	Other None	4 Approaches 2 Driveways 24.7515	Other (At-Grade) Single-Lane		Control Type: Grafton EB free flow, Grafton WB and Hamilton yield controlled, Orient St is stop controlled. Grafton St is Major road in terms of control type. On-street parking on the circular roadway. Wide lanes, limited pavement markings. Crosswalks present. Downtown and residential context. ICD estimated from Google Maps linework.
East Boston, MA Suffolk Co. United States	Saratoga St / Boardman St / Ford St (42.38701, -71.00805)	Traffic Calming Circle Existing	Other None	4 Approaches 0 Driveways 25.5821	Other (At-Grade) Single-Lane		control type: Ford St and Boardman St all-way stop On-street parking on both sides. ICD estimated from Google Maps linework.
Worcester, MA Worcester Co. United States	Lovell St / Marywood St / Englewood Ave / Ferdinand St (42.25439, -71.83255)	Traffic Calming Circle Existing	Other None	5 Approaches 0 Driveways 24.7521	Other (At-Grade) Single-Lane		Control Type: 2 yield Lovell St; Other 3 approaches stop controlled. Some pavement markings to define circular roadway (arrows, dotted lines) and create 'splitter islands' on the approaches from Englewood Ave, Ferdinand St; Lovell NB. Crosswalks present. Residential area; local shop and laundromat at the roundabout. ICD estimated from Google Maps linework.
Worcester, MA Worcester Co. United States	Highland St / June St / Pleasant St / Newton Ave (42.26980, -71.82529)	Traffic Calming Circle Existing	Other Unknown	5 Approaches 0 Driveways 31.8163	Other (At-Grade) Single-Lane		Control type: 2 way stop, 3 way yield. remarkable: stop bar June St on circular roadway, after CW. Geometry is wide enough for two lanes although 4 out of 5 exits are single lane. Crosswalks present. New pavement markings crosswalk in approx. 2015. Residential contexts. Traffic Circle next to large neighborhood park. Two bus lines with bus 5 bus stops within 100 ft of the traffic circle. ICD estimated from Google Maps linework.
Weymouth, MA Norfolk Co. United States	North St / East St / Norton St (42.23165, -70.94496)	Traffic Calming Circle Existing	Other None	4 Approaches 1 Driveways 25.6453	Other (At-Grade) Single-Lane		Control Type is Mixed: Yield on circular road, stop on East St approach, yield on North St SB approach ICD estimated from Google Maps linework.
Varberg, Halland County Varberg Sweden	Rte 41 / Rte 153 (57.12336, 12.26199)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 57.9120	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	Construction year is approximate but before 2008.
Carmel, IN Hamilton Co. United States	Spring Mill Rd. / W. 131st St. (39.97776, -86.16474)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.2691	Other (At-Grade) Single-Lane	2007	Construction planned for Spring 2003 per article in The Indianapolis Star (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	Spring Mill Rd. / W. 136th St. (39.98505, -86.16485)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.6893	Other (At-Grade) Single-Lane	2005	Construction planned for Spring 2003 per article in The Indianapolis Star (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework.
Varberg, Halland County Varberg Sweden	Värnamovägen / Kamremsgatan (57.12255, 12.26719)	Roundabout Existing	All-Way Yield None	2 Approaches 2 Driveways 27.4320	Other (At-Grade) Single-Lane	2017	Construction of one approach finished in 2018.
Varberg, Halland County Varberg Sweden	Rte 153 (Värnamovägen) / Holmagärdegatan (57.12562, 12.30381)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7190	Other (At-Grade) Single-Lane	2021	Construction of crossroad stared in 2019. Roundabout operational in 2021 with three approaches and possibly in 2020 as well. Fourth approach 'built' but not yet opened to traffic in 2021.
Bountiful, UT Davis Co. United States	Main St. / 1500 South / 200 West (40.87477, -111.88570)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 27.9955	Other (At-Grade) Single-Lane	2008	Construction is concrete. Functional Class: Collector ICD estimated from Google Maps linework.
Jämjö, Blekinge County Karlskrona kommun Sweden	E22 (Västra Riksvägen) / Kvarnlyckevägen (56.19204, 15.83579)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2011	Construction in 2010 and finished in 2011. Previous control included a signalized crosswalk across one leg of major road. This was removed in 2010.
Petaluma, CA Sonoma Co. United States	Petaluma Blvd. S / Caulfield Ln. (38.22730, -122.61820)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.3434	Other (At-Grade) Single-Lane	2011	Construction began spring 2011. Functional Class: Arterial ICD estimated from Google Maps linework.
Waco, TX McLennan Co. United States	Prickley Pear Dr. / Pedernales Dr. (31.61281, -97.20666)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5274	Other (At-Grade) Single-Lane	2007	Constructed with two legs and stubbed third leg.
Waco, TX McLennan Co. United States	Parker Springs Dr. / Desperado Dr. (31.62217, -97.23636)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0037	Other (At-Grade) Single-Lane	2010	Constructed with three legs; fourth leg added in 2012. Shortened concrete splitter islands were lengthened using brick-patterned preformed thermoplastic.
Knightdale, NC Wake Co. United States	Widewater Blvd. / Village Park Dr. (35.79402, -78.50642)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 16.4687	Other (At-Grade) Single-Lane	2004	Constructed using concrete. (Updated in 2007?) Functional Class: Collector ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	San Juan Rd. / Azevedo Dr. (38.62740, -121.50840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.1250	Other (At-Grade) Single-Lane	2004	Constructed using asphalt curbs without reconstructing original curb/gutter/sidewalk. Tactile guide strips in crosswalks. Previously controlled by two-way stop ICD estimated from Google Maps linework.
London, ON Middlesex County Canada	Lambton Dr. / Oxford Dr. (43.00616, -81.27515)	Traffic Calming Circle Existing	Unknown Unknown	5 Approaches 0 Driveways 38.4291	Other (At-Grade) Single-Lane		Constructed sometime in the 1970s. Functional Class: Local ICD estimated from Google Maps linework.
Lacey, WA Thurston Co. United States	Marvin Rd. / Hawks Prairie Rd. (47.08312, -122.78070)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6509	Other (At-Grade) Single-Lane	2002	Constructed September 14, 2002. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Honolulu, HI Oahu Co. United States	Haloa Dr. / Ala Oli St. (21.36132, -157.92560)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.2456	Other (At-Grade) Single-Lane	2005	Constructed prior to 2006 in Foster Village subdivision. ICD estimated from Google Maps linework.
Lee, NH Rockingham Co. United States	US 4 / Rte 125 (43.14910, -71.00666)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2015	Constructed November 2003 as single-lane rotary as part of new shopping mall. Converted to multilane roundabout in 2015. First multilane roundabout conversion in New Hampshire.
Meridian, ID Ada Co. United States	S Eagle Rd. / E Amity Rd. (43.56130, -116.35436)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	2012	Constructed initially as single-lane roundabout. Expanded in 2021-2022 to 2x2 with merging right-turn bypass lane on north leg. https://www.youtube.com/watch?v=mKWTT7Upuss
Saratoga Springs, UT Utah Co. United States	Pony Express Pkwy. / Riverside Dr. (40.36205, -111.91116)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2016	Constructed initially as single-lane roundabout with stubbed east and west legs. Expanded to 2x1 multilane in 2022 with connection of east and west legs. Year Completed estimated (2015-2016).
Ogden, UT Weber Co. United States	W 2nd St. / Stewart Dr. (41.25915, -111.99347)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 57.9120	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Constructed initially as multilane with unstriped circulatory roadway and undesignated lanes. Circulatory roadway striping added 2011. Converted from multilane to single-lane 2017-2018. 21442.
Desert View, AZ Maricopa Co. United States	E Marriott Dr. / (parking) (33.68131, -111.96826)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.4904	Other (At-Grade) Single-Lane	2003	Constructed initially as double-lane roundabout with unstriped circulatory roadway. Converted to single-lane 2011-2012 by striped out inside circulating lane.
Hässleholm, Skåne County Hässleholm Sweden	Hovdalavägen / Södra Kringelvägen / Sjövägen (56.13792, 13.73906)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.0000	Other (At-Grade) Single-Lane		Constructed in the 1990s.
Rome, NY Oneida Co. United States	SR 825 / Ellsworth Rd. (43.21731, -75.41796)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.7044	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Constructed in old air force base. ICD estimated from Google Maps linework.
McKinney, TX Collin Co. United States	Lost Woods Way / Lake Arrowhead Trl. (33.28585, -96.60973)	Roundabout Removed	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2019	Constructed in 2016. Removed in 2019 with removal of east leg.
Baraboo, WI Sauk Co. United States	Old US 12 / CTH BD (43.48896, -89.77718)	Roundabout Removed	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2010	Constructed in 2010. Removed in 2017(?) due to bypass expansion.
Amherst, VA Amherst Co. United States	US 60 / US 29 (37.58815, -79.04990)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.2314	Other (At-Grade) Single-Lane	2004	Constructed in 1936, upgraded in 1940 and again in 2004. ICD estimated from Google Maps linework.