|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
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. |
|
Warrenton,
VA Fauquier Co. United States |
E Shirley Ave. / Falmouth St. (38.69843, -77.78795) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 13.0496 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2018 | Constructed Fall 2018, mini-roundabout with one bypass lane ICD estimated from Google Maps linework. |
|
Trumbull,
CT Fairfield Co. United States |
Park Ave. / Rte. 15 (Merritt Pkwy) WB Ramps (41.22857, -73.24581) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.7436 |
Freeway Ramps (Grade-Separated) Single-Lane |
2015 | Constructed by private developer. ICD estimated from Google Maps linework. |
|
Sollefteå,
Västernorrland County Sollefteå Municipality Sweden |
Rte 90 / Järnvägsgatan (63.17143, 17.25390) |
Roundabout Existing |
All-Way Yield Other |
3 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2010 | Constructed before 2010. Right-turn bypass lane on northeast leg that has priority over exit from roundabout. Grade-separated pedestrian/bicycle path under east leg. |
|
Falun,
Dalarna County Falu kommun Sweden |
Gruvgatan / Engelbrektsgatan (60.60416, 15.62822) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.9080 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2010 | Constructed before 2010. |
|
Varberg,
Halland County Varbergs kommun Sweden |
Föreningsgatan / Engelbrektsgatan (57.10653, 12.27300) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2010 | Constructed before 2010. |
|
Varberg,
Halland County Varbergs kommun Sweden |
Engelbrektsgatan / Östra vägen (57.10708, 12.26924) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2010 | Constructed before 2010. |
|
Sollefteå,
Västernorrland County Sollefteå Municipality Sweden |
Cpl Sollefteå Södra / Järnvägsgatan (63.16934, 17.23922) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Single-Lane |
2008 | Constructed before 2008. |
|
Sollefteå,
Västernorrland County Sollefteå Municipality Sweden |
Rte 90 (Cpl Sollefteå Norra / Norra Ådalsvägen) / Rte 335 (Norra Ådalsvägen) (63.17855, 17.26187) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.0000 |
Other (At-Grade) Single-Lane |
2008 | Constructed before 2008. |
|
Blackhorse Ranch South,
TX Harris Co. United States |
Autumn Light Ln. / Winding Star Ln. (29.95095, -95.71406) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 39.6240 |
Unknown Single-Lane |
2018 | Constructed as traffic circle around 2004 with no splitter island on south leg and unknown control. Painted splitter island on south leg added 2017-2019. |
|
Waco,
TX McLennan Co. United States |
Salem Way / (parking) (31.62531, -97.23093) |
Other Existing |
Uncontrolled None |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2009 | Constructed as three leg with planned potential fourth leg in the future. |
|
Bluffton,
SC Beaufort Co. United States |
Bluffton Pkwy. / SC-46 (Bluffton Rd.) (32.24955, -80.85640) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 56.5646 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2011 | Constructed as temporary (year estimated 2006-2008); made permanent in 2011. ICD estimated from Google Maps linework. |
|
Woodinville,
WA King Co. United States |
SR 202 / Village Dr. / NE 144th St. (47.73111, -122.14040) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.4048 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Constructed as single-lane roundabout in October 2009 and expanded to include second lane northbound in 2021. |
|
(unincorporated),
TX Parker Co. United States |
Morning Mist Trl. / Indigo Sky Dr. (32.75189, -97.59333) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2017 | Constructed as part of residential subdivision. |
|
Dallas,
TX Dallas Co. United States |
Manderville Ln. / Midtown Blvd. (32.89172, -96.76612) |
Other Existing |
All-Way Yield None |
3 Approaches 1 Driveways 68.5800 |
Other (At-Grade) Single-Lane |
2010 | Constructed as part of redevelopment. Pedestrian access to central island. |
|
Irving,
TX Dallas Co. United States |
AT&T University entrance / (parking) (32.89311, -96.94490) |
Other Existing |
Uncontrolled None |
3 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2001 | Constructed as part of new arterial project. Located in main entrance of AT&T University. Parking along circulatory roadway, no control. |
|
Fort Worth,
TX Tarrant Co. United States |
Travertine Ln. / Siltstone Ln. (32.85241, -97.30083) |
Other Existing |
Uncontrolled None |
3 Approaches 1 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2007 | Constructed as part of apartment complex. No splitter islands. Head-in parking spaces off circle. |
|
Waco,
TX McLennan Co. United States |
Ambassador Dr. / Premier Dr. (31.48783, -97.17402) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2008 | Constructed as part of an office-medical subdivision. |
|
Summerville,
SC Berkeley Co. United States |
Cane Bay Blvd. / Fair Winds Blvd. (33.14374, -80.10819) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Single-Lane |
2020 | Constructed as multilane rotary in 2017 with lane change required to exit from east to south. West leg added 2018. Converted to single-lane roundabout in 2019-2020 with some striping glitches remaining. |
|
Haymarket,
VA Prince William Co. United States |
Bowers Hill Dr. / Gaines Mill Cir. (38.83987, -77.63056) |
Roundabout Existing |
All-Way Yield Other |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2010 | Constructed as circular intersection without splitter islands 2003-2005. Splitter islands added 2009-2011. |
|
Edmonton,
AB Division 11 Canada |
Marquis Blvd. NE / 5 St. NE (53.63825, -113.33928) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 50.0000 |
Other (At-Grade) Single-Lane |
2023 | Constructed as 2x1 multilane roundabout with temporary curb reducing to single-lane. |
|
Manhattan,
KS Riley Co. United States |
Gary Ave. / Candlewood Dr. (39.21087, -96.61885) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.2841 |
Other (At-Grade) Single-Lane |
1997 | Considered to be the First Modern Roundabout in the State of Kansas. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
|
Silver Springs,
NV Lyon Co. United States |
US 50 / USA Pkwy. / Opal Ave. (39.40014, -119.26883) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 64.0080 |
Other (At-Grade) Multilane (3+ Lane) |
2017 | Consecutive double-left turns. |
|
Wickenburg,
AZ Maricopa Co. United States |
US 93 / US 60 (33.97094, -112.72790) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 50.5146 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Consecutive double lefts with three-lane circulatory section. ICD estimated from Google Maps linework. |
|
Buena Park,
CA Orange Co. United States |
Lakeside Dr. (33.87506, -117.98083) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
Connection to multiuse path. | |
|
Overland Park,
KS Johnson Co. United States |
110th St. / Lamar Ave. (38.92910, -94.65830) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.3130 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Concrete paving. Adjacent to convention center. ICD estimated from Google Maps linework. |
|
Townsend,
DE New Castle Co. United States |
Tony Marchio Dr. / Campus Dr. / Stadium Way (39.43676, -75.64873) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.3400 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2014 | Concentric striping on circulatory roadway. Right-turn-only arrows in all lanes of three entries. Year Completed estimated (2011-2015). |