City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Columbus,
IN Bartholomew Co. United States |
US 31 / E CR 400 S (39.14378, -85.84092) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.1249 |
Other (At-Grade) Single-Lane |
2016 | https://www.in.gov/indot/3445.htm. ICD estimated from Google Maps linework. |
Scaggsville,
MD Howard Co. United States |
MD 216 / US 29 NB Ramps / Ice Crystal Dr. (39.14476, -76.89799) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.7234 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2001 | Series of 4 roundabouts. ICD estimated from Google Maps linework. |
Scaggsville,
MD Howard Co. United States |
MD 216 / US 29 SB Ramps (39.14562, -76.90418) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.7228 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2001 | Series of 4 roundabouts. ICD estimated from Google Maps linework. |
Severn,
MD Anne Arundel Co. United States |
Milestone Pkwy. / Clubhouse Dr. (39.14600, -76.74775) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2012 | Year Completed estimated (2011-2014). |
Gaithersburg,
MD Montgomery Co. United States |
Victory Farm Dr. / Girard St. (39.14648, -77.18493) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.9348 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | Year Completed estimated (2005-2006). ICD estimated from Google Maps linework. |
Carbonia,
Sardinia Province of South Sardinia Italy |
SS126 / Via Michelangelo (39.14701, 8.51163) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
||
Scaggsville,
MD Howard Co. United States |
MD 216 / Maple Lawn Blvd. (39.14710, -76.90723) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 40.7543 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2005 | Series of 4 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. |
Glen Burnie,
MD Anne Arundel Co. United States |
George Clausse Blvd. / (parking access) (39.14768, -76.64935) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.3442 |
Other (At-Grade) Single-Lane |
2008 | RT lanes on eastbound and northbound approaches. Part of shopping center. ICD estimated from Google Maps linework. |
Fulton,
MD Howard Co. United States |
S Maple Lawn Blvd. / Eugene Ave. / Charles Way (39.14787, -76.91560) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2017 | |
Scaggsville,
MD Howard Co. United States |
MD 216 / Westside Blvd. (39.14796, -76.90977) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.6801 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Series of 4 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework. |
Olney,
MD Montgomery Co. United States |
Old Baltimore Rd. / Bishops Castle Dr. (39.14878, -77.04958) |
Traffic Calming Circle Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Unknown Single-Lane |
2019 | Painted splitter islands on major street; no splitter islands on side street. |
Dover,
DE Kent Co. United States |
Cannon Mill Dr. / E Sheldrake Cir. / W Sheldrake Cir. (39.14882, -75.56602) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2006 | No pavement markings. Year Completed estimated (2005-2006). |
Gaithersburg,
MD Montgomery Co. United States |
Perry Pkwy. / (parking) (39.14899, -77.21048) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.2440 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2004 | Year Completed estimated (2002-2005). |
Scaggsville,
MD Howard Co. United States |
Westside Blvd. / (parking lot) (39.14952, -76.90856) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.4909 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Darnestown,
MD Montgomery Co. United States |
Schaeffer Rd. / Germantown Park Dr. / Central Park Cir. (39.15003, -77.30152) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2004 | Right-turn-only lane on northeast leg. Year Completed estimated (2002-2005). |
Bloomington,
IN Monroe Co. United States |
Moores Pike / Winfield Rd. (39.15027, -86.50103) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.3430 |
Other (At-Grade) Single-Lane |
2005 | Completed August 2005. http://bloomington.in.gov/egov/docs/1124562196872.htm ICD estimated from Google Maps linework. |
Severn,
MD Anne Arundel Co. United States |
Milestone Pkwy. / Split Creek Ln. / (parking) (39.15042, -76.74668) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2007 | |
Dover,
DE Kent Co. United States |
Towne Centre Dr. / Lloyd St. / Wemyss Rd. (39.15134, -75.53817) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.4901 |
Other (At-Grade) Single-Lane |
2008 | Year Completed estimated (2007-2009). Splitter islands added 2014-2015. ICD estimated from Google Maps linework. |
Hanover,
MD Anne Arundel Co. United States |
Watts Ave. / Clark Rd. (39.15138, -76.72638) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 25.9330 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Union Township,
OH Clermont Co. United States |
Miami View Trl. / Miami Hills Dr. / Terrace Ridge Dr. (39.15189, -84.28027) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.2012 |
Other (At-Grade) Single-Lane |
No splitter islands. ICD estimated from Google Maps linework. | |
North Avondale,
OH Hamilton Co. United States |
Dana Ave. / Clinton Springs Ave. (39.15192, -84.48330) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 1 Driveways 25.9328 |
Other (At-Grade) Single-Lane |
2015 | This roundabout is mentioned in this local newspaper article (https://www.cincinnati.com/story/news/politics/2017/09/12/northside-you-ready-roundabout/646761001/) ICD estimated from Google Maps linework. |
Manhattan,
KS Riley Co. United States |
S Scenic Dr / K-18 EB Ramps (39.15310, -96.64301) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 57.4217 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2013 | Raindrop shape. Year Completed estimated (2012-2013). ICD estimated from Google Maps linework. |
Kansas City,
KS Wyandotte Co. United States |
Whispering Ln. / Sortop Dr. (39.15320, -94.83506) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2005 | Elliptical shape. ICD = 120 ft x 100 ft. |
Gaithersburg,
MD Montgomery Co. United States |
Parkview Ave. / Uptown St. (39.15334, -77.22619) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2012 | Right-turn-only lane on northwest leg. Year Completed estimated (2011-2012). |
Carson City,
NV Carson City United States |
S Carson St. / S Stewart St. (39.15348, -119.76692) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.2440 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2020 | https://aroundcarson.com/2020/10/10/carson_street_construction-2/ |
Fruita,
CO Mesa Co. United States |
CO-340 / Raptor Rd. (39.15351, -108.73813) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.2337 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | ICD estimated from Google Maps linework. |
Scaggsville,
MD Howard Co. United States |
Maple Lawn Blvd. / Tawes St. (39.15364, -76.90125) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.2675 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | ICD estimated from Google Maps linework. |
Dover,
DE Kent Co. United States |
Allen Ct. / Garrett House Cir. (39.15377, -75.53746) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.2674 |
Other (At-Grade) Single-Lane |
2014 | Year Completed estimated (2011-2014). ICD estimated from Google Maps linework. |
Fruita,
CO Mesa Co. United States |
CO-340 / I-70 EB Ramps / I-70 Frontage Rd. (39.15470, -108.73769) |
Roundabout Existing |
All-Way Yield Active Pedestrian Warning (flashing yellow) |
4 Approaches 0 Driveways 40.7499 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2009 | ICD estimated from Google Maps linework. |
Germantown,
MD Montgomery Co. United States |
Wonderland Way / Chalet Dr. (39.15516, -77.27464) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Dover,
DE Kent Co. United States |
Mifflin Rd. / Woodmill Dr. (39.15527, -75.55831) |
Traffic Calming Circle Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2005 | Painted splitter islands. |
Manhattan,
KS Riley Co. United States |
S Scenic Dr. / Skyway Dr. / K-18 WB Ramps (39.15547, -96.64423) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 74.0900 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2013 | Year Completed estimated (2012-2013)/ ICD estimated from Google Maps linework. |
Hanover,
MD Anne Arundel Co. United States |
Arundel Mills Blvd. / MD 295 NB Ramps (39.15573, -76.74459) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 26.8575 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. |
Hanover,
MD Anne Arundel Co. United States |
Arundel Mills Blvd. / MD 295 SB Ramps (39.15677, -76.74617) |
Roundabout Removed |
All-Way Yield None |
2 Approaches 0 Driveways 66.6797 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. |
Olney,
MD Montgomery Co. United States |
Wickham Rd. / Broom Dr. (39.15708, -77.09362) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Riverside,
MO Platte Co. United States |
Horizons Pkwy. / Argosy Casino Pkwy. (39.15795, -94.64060) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 50.0090 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | ICD estimated from Google Maps linework. |
Scaggsville,
MD Howard Co. United States |
Maple Lawn Blvd. / Iager Blvd. (39.15816, -76.90440) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.3392 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2005 | ICD estimated from Google Maps linework. |
Milford,
OH Clermont Co. United States |
Chamber Dr. / Beechwood Rd. (39.15816, -84.27320) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 16.6696 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2016 | Painted splitter islands. ICD estimated from Google Maps linework. |
Scaggsville,
MD Howard Co. United States |
Hopkins-Gorman Rd. / US 29 NB Ramps (39.15846, -76.88660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 59.2695 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. |
Germantown,
MD Montgomery Co. United States |
Ashleigh Greene Rd. / Cornflower Rd. (39.15879, -77.30324) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Fruita,
CO Mesa Co. United States |
Aspen Ave. / Mesa St. (Park Square) (39.15884, -108.73360) |
Other Existing |
Unknown Unknown |
0 Approaches 0 Driveways 77.7908 |
Other (At-Grade) Unknown |
Completed 1940? ICD estimated from Google Maps linework. | |
Jessup,
MD Anne Arundel Co. United States |
Montevideo Rd. / Forest Ave. / Wigley Ave. (39.15966, -76.75916) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2007 | Year Completed estimated (2006-2007). |
Germantown,
MD Montgomery Co. United States |
Ashleigh Greene Rd. / Ashmeade Rd. (39.16013, -77.29900) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Olney,
MD Montgomery Co. United States |
Brightwood Rd. / Winding Oak Dr. / Weston Pl. (39.16065, -77.09120) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Olney,
MD Montgomery Co. United States |
Wickham Rd. / Olney Mill Rd. / Dunsford Dr. (39.16071, -77.09596) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands on three legs. | |
Carson City,
NV Carson City Co. United States |
E 5th St. / Fairview Dr. (39.16090, -119.72790) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
1999 | |
Boyds,
MD Montgomery Co. United States |
Crazy Quilt Ct. (39.16123, -77.30454) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
Germantown,
MD Montgomery Co. United States |
Crestmount Rd. / Kings Crossing Rd. (39.16175, -77.30841) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Berryville,
VA Clarke Co. United States |
SR 636 (Westwood Rd) / SR 7 Business (W Main St) (39.16190, -77.99695) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 31.4854 |
Other (At-Grade) Single-Lane |
2013 | ICD estimated from Google Maps linework. |
Germantown,
MD Montgomery Co. United States |
Kings Crossing Blvd. / Cornflower Rd. (39.16222, -77.30397) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Germantown,
MD Montgomery Co. United States |
Kings Crossing Blvd. / Ashmeade Rd. (39.16235, -77.29971) |
Other Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
Painted splitter islands. Pedestrian crossings next to circulatory roadway. | |
Riverside,
MO Platte Co. United States |
Argosy Casino Pkwy. / US 69 NB Ramps / NW Tremont Trafficway (39.16237, -94.62502) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways 40.7455 |
Freeway Ramps (Grade-Separated) Single-Lane |
2016 | ICD estimated from Google Maps linework. |
Dover,
DE Kent Co. United States |
Independence Blvd. / Colony Dr. / Green Blade Dr. (39.16260, -75.55291) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.2247 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2017 | https://delawarestatenews.net/news/roundabout-realignment-way-dovers-independence-boulevard/ ICD estimated from Google Maps linework. |
Tahoe City,
CA Placer Co. United States |
SR 89 / W Lake Blvd. (39.16291, -120.14444) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.9671 |
Other (At-Grade) Single-Lane |
2019 | https://flh.fhwa.dot.gov/projects/ca/truckee/ ICD estimated from Google Maps linework. |
Laddonia,
MO Audrain Co. United States |
US 54 / MO 19 / Hwy BB (39.16323, -91.64907) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Single-Lane |
2019 | https://www.modot.org/roundabouts-us-route-54 |
Upper Lake,
CA Lake Co. United States |
SR 20 / SR 29 (39.16333, -122.92095) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 36.1148 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Tahoe City,
CA Placer Co. United States |
SR 89 / W River Rd. (39.16425, -120.14919) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.2623 |
Other (At-Grade) Single-Lane |
2019 | https://flh.fhwa.dot.gov/projects/ca/truckee/ ICD estimated from Google Maps linework. |
Germantown,
MD Montgomery Co. United States |
Summer Oak Dr. / Summer Oak Ct. (39.16467, -77.24384) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands on two legs. | |
Kansas City,
MO Clay Co. United States |
NW Briarcliff Pkwy. / MO-9 SB Ramps / NW Tullison Rd. / NW 38th St. (39.16472, -94.59926) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 85.3440 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2012 | |
Kansas City,
MO Clay Co. United States |
NW Briarcliff Pkwy. / MO-9 NB Ramps / NW Platte Rd. (39.16606, -94.59842) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 79.2480 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2012 | Right-turn bypass lanes on north and east quadrants. |
Germantown,
MD Montgomery Co. United States |
Crossview Rd. / Autumn Crest Rd. (39.16717, -77.30075) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Kansas City,
MO Clay Co. United States |
Parvin Rd. / Prather Rd. (MO Hwy 1) (39.16738, -94.55294) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2020 | https://www.facebook.com/MoDOT.KansasCity/posts/project-update-the-parvin-rd-and-prather-rd-roundabout-project-in-clay-county-is/10158316265513515/ |
Yuba City,
CA Sutter Co. United States |
Stabler Ln. / Butte Vista Ln. (39.16747, -121.64400) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 46.2983 |
Other (At-Grade) Single-Lane |
2006 | ICD estimated from Google Maps linework. |
Cleves,
OH Hamilton Co. United States |
Cooper Ave. / (high school parking) (39.16904, -84.75329) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2016 | Painted splitter island on south leg. |
Yuba City,
CA Sutter Co. United States |
Butte Vista Ln. / Tres Picos Ln. (39.16908, -121.64820) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.8524 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Pasadena,
MD Anne Arundel Co. United States |
Creekside Village Blvd. / Oak Creek Dr. (39.16938, -76.57165) |
Other Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter island on southeast leg. | |
Kansas City,
KS Wyandotte Co. United States |
N 131st Dr. / Meadow Ln. (39.17638, -94.88099) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2003 | |
Gaithersburg,
MD Montgomery Co. United States |
Hoover Farm Dr. / Brass Bucket Ct. (39.17775, -77.13018) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Germantown,
MD Montgomery Co. United States |
Kildale Hills Terrace / Galway Bay Cir. (39.17826, -77.27643) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Bloomington,
IN Monroe Co. United States |
N Monroe St. / W 17th St. / W Arlington Rd. (39.17914, -86.54712) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 1 Driveways 37.0325 |
Other (At-Grade) Single-Lane |
2014 | ICD estimated from Google Maps linework. |
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 |
||
Gaithersburg,
MD Montgomery Co. United States |
Hoover Farm Dr. / Holland Meadow Ln. (39.18129, -77.13125) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Carson City,
NV Carson City Co. United States |
Northridge Dr. / Spooner Dr. (39.18150, -119.74896) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 99.9997 |
Other (At-Grade) Single-Lane |
1997 | Painted splitter islands on Northridge approaches. Year Completed estimated (1994-1999). |
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 |
||
Carson City,
NV Carson City Co. United States |
Northridge Dr. / Carriage Crest Dr. (39.18290, -119.75077) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-Lane |
1997 | Year Completed estimated (1994-1999). |
Germantown,
MD Montgomery Co. United States |
Observation Dr. / Goldenrod Ln. (39.18419, -77.24566) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2013 | Year Completed estimated (2012-2014). |
Carson City,
NV Carson City Co. United States |
Northridge Dr. / Tablerock Dr. (39.18460, -119.75685) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.9080 |
Other (At-Grade) Single-Lane |
1999 | Year Completed estimated (1994-1999). |
Germantown,
MD Montgomery Co. United States |
Club Hill Dr. / Thackery Pl. (39.18531, -77.27012) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
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. |
Manhattan,
KS Riley Co. United States |
4th St. / Bluemont Ave. (39.18669, -96.56160) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.6571 |
Other (At-Grade) Single-Lane |
2010 | Previously controlled by two-way stop ICD estimated from Google Maps linework. |
Germantown,
MD Montgomery Co. United States |
Pickering Dr. / Pickering Pl. (39.18854, -77.27173) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Riverside,
MO Platte Co. United States |
N Woodward Rd. / NW 52nd St. (39.18892, -94.63177) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.9531 |
Other (At-Grade) Single-Lane |
2012 | ICD estimated from Google Maps linework. |
Long Reach,
MD Howard Co. United States |
Shining Oceans Way / Dried Earth Blvd. (39.18977, -76.80673) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Bloomington,
IN Monroe Co. United States |
W Woodyard Rd. / N Curry Pike / W Hunter Valley Rd. (39.19027, -86.58242) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 56.3877 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Series of 2 roundabouts. Striped out spiral in circulatory roadway. https://www.heraldtimesonline.com/story/news/traffic/2022/03/03/work-2-6-m-double-roundabout-bloomington-start-next-week/9332294002/ |
Germantown,
MD Montgomery Co. United States |
Germantown Rd. / Watkins Mill Rd. / Blunt Rd. (39.19058, -77.22492) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
1999 | Right-turn bypass lane on north leg. Year Completed estimated (1993-2005). |
Bloomington,
IN Monroe Co. United States |
W Woodyard Rd. / N Smith Pike (39.19089, -86.58340) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2022 | Series of 2 roundabouts. |
Columbia,
MD Howard Co. United States |
Cradlerock Way / Homespun Dr. (39.19095, -76.83787) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 22.2158 |
Other (At-Grade) Single-Lane |
2001 | Completed May 21, 2001. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Manhattan,
KS Riley Co. United States |
Anderson Ave. / Kimball Ave. / Scenic Dr. (39.19169, -96.64167) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 62.0184 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2018 | ICD estimated from Google Maps linework. |
Hanover,
MD Anne Arundel Co. United States |
Ridge Rd. / Corporate Center Dr. (39.19204, -76.70216) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.4719 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Winchester,
VA Frederick Co. United States |
Conference Center Dr. / (unknown) (39.19363, -78.20051) |
Unknown Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Kansas City,
MO Clay Co. United States |
N Mercier St. / N Summit St. (39.19389, -94.59236) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 53.3400 |
Other (At-Grade) Single-Lane |
2016 | Year Completed estimated (2016-2017). |
Cagliari,
Sardinia Cagliari Italy |
Viale Poetto / Via Lungo Saline / Via Marina Piccola (39.19421, 9.15682) |
Other Existing |
Other Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
Mix of stop and yield control on entry. | |
Aspen,
CO Pitkin Co. United States |
SR 82 / Maroon Creek Rd. / Castle Creek Rd. (39.19557, -106.84025) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | |
Kansas City,
MO Platte Co. United States |
NW Waukomis Dr. / NW Englewood Rd. (39.19588, -94.60730) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2020 | |
Kansas City,
MO Platte Co. United States |
NW 56th St. / N Northwood Rd. (39.19598, -94.63168) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2019 | |
Hillsboro,
VA Loudoun Co. United States |
Charles Town Pike (Rte 9) / Hillsboro Rd. / (school access) (39.19806, -77.72000) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2021 | https://www.washingtonpost.com/transportation/2021/07/23/virginia-hillsboro-walkable-roads-loudoun/ |
Carson City,
NV Carson City Co. United States |
Arrowhead Dr. / I-580 SB Ramp (39.19810, -119.77540) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.7669 |
Freeway Ramps (Grade-Separated) Single-Lane |
2002 | Future SB on-ramp for Carson City Freeway (I-580). Overpass and roundabouts completed in 2002; freeway ramps completed ~2005. ICD estimated from Google Maps linework. |
Carson City,
NV Carson City Co. United States |
Arrowhead Dr. / I-580 NB Ramps / Imus Rd. (39.19840, -119.77380) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.6923 |
Freeway Ramps (Grade-Separated) Single-Lane |
2002 | NB off-ramp for Carson City Freeway (I-580) and extension of Imus Road. Overpass and roundabouts completed in 2002. ICD estimated from Google Maps linework. |
Cagliari,
Sardinia Cagliari Italy |
Viale Salvatore Ferrara / Via Ramontana / Via Borgo Sant'Elia / Viale San Bartolomeo (39.19857, 9.14366) |
Other Existing |
All-Way Stop Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
||
Columbia,
MD Howard Co. United States |
Owen Brown Rd. / Martin Rd. (39.19989, -76.86930) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2004 | Year Completed estimated (2002-2005). |