City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Clarksville,
MD Howard Co. United States |
Northern Bell Way / Bee Frances Way / Catherine Close Rd. (39.23232, -76.97091) |
Other Existing |
Unknown Unknown |
3 Approaches 1 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
Clarksburg,
MD Montgomery Co. United States |
Little Seneca Pkwy. / Meadow Mist Rd. (39.23154, -77.24309) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.5290 |
Other (At-Grade) Single-Lane |
2011 | ICD estimated from Google Maps linework. |
Kansas City,
MO Clay Co. United States |
NE Flintlock Rd / NE 76th St (39.23094, -94.47007) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 57.3581 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2013 | ICD estimated from Google Maps linework. |
Blue Ash,
OH Hamilton Co. United States |
Plainfield Rd. / Peppermill Ln. / Reed-Hartman Hwy. (39.23083, -84.39482) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2023 | RRFB on all four legs. https://www.blueash.com/departments/public_works/hunt_plainfield.php |
Quartu Sant’Elena,
Sardinia Cagliari Italy |
SP17 / SP17ter / Viale Europa / Via Flume (39.23079, 9.22086) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
||
Clarksburg,
MD Montgomery Co. United States |
Little Seneca Pkwy. / Snowden Farm Pkwy. (39.22989, -77.25280) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.6795 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2012 | Year Completed estimated (2011-2013). ICD estimated from Google Maps linework. |
Clarksville,
MD Howard Co. United States |
Linden Church Rd. / MD 32 NB Ramps (39.22942, -76.97263) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6240 |
Freeway Ramps (Grade-Separated) Single-Lane |
2013 | Year Completed estimated (2011-2014). |
Clarksville,
MD Howard Co. United States |
Watkins Bridge Ln. / Holly Creek Ln. (39.22939, -76.94583) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2010 | |
Clarksville,
MD Howard Co. United States |
Preakness Circle Ln. / Watkins Bridge Ln. (39.22880, -76.94308) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2010 | |
Clarksburg,
MD Montgomery Co. United States |
Clarksburg Rd. (MD 121) / (outlet mall entrance) (39.22844, -77.28869) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 49.9588 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2015 | ICD estimated from Google Maps linework. |
Blue Ash,
OH Hamilton Co. United States |
Hunt Rd. / Plainfield Rd. (39.22691, -84.39426) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 53.0352 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2023 | https://www.wcpo.com/news/local-news/hamilton-county/blue-ash/blue-ash-police-new-roundabout-while-confusing-some-is-reducing-crashes |
Clarksburg,
MD Montgomery Co. United States |
Clarksburg Rd. (MD 121) / Cabin Branch Ave. (39.22689, -77.29051) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 46.2592 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2015 | ICD estimated from Google Maps linework. |
Clarksville,
MD Howard Co. United States |
Running Fence Ln. / Preakness Circle Ln. (39.22640, -76.94374) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2010 | |
Clarksburg,
MD Montgomery Co. United States |
Snowden Farm Pkwy. / Winding Woods Way (39.22604, -77.24727) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.7086 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2012 | Year Completed estimated (2011-2013). ICD estimated from Google Maps linework. |
Blue Ash,
OH Hamilton Co. United States |
Hunt Rd. / (parking) (39.22578, -84.39828) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
3 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2022 | Opened February 2, 2022. https://www.blueash.com/departments/public_works/hunt_plainfield.php |
Snowmass Village,
CO Pitkin Co. United States |
Brush Creek Rd. / Highline Rd. (39.22541, -106.92049) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2006 | |
Kansas City,
MO Platte Co. United States |
MO-45 (Tom Watson Pkwy.) / NW Brink-Myer Rd. (39.22507, -94.75656) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 45.3352 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | ICD estimated from Google Maps linework. |
Kansas City,
MO Platte Co. United States |
NW 72nd St. / NW Waukomis Dr. / N Green Hills Rd. (39.22505, -94.62750) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.2327 |
Other (At-Grade) Single-Lane |
2012 | Streetview car went through just after completion while two approaches were still blocked off. ICD estimated from Google Maps linework. |
Kansas City,
MO Platte Co. United States |
NW 72nd St. / N Overland Dr. (39.22495, -94.64044) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2020 | https://www.kcmo.gov/Home/Components/FacilityDirectory/FacilityDirectory/53/360?npage=2 |
Ellicott City,
MD Howard Co. United States |
MD 104 (Waterloo Rd.) / MD 100 WB Ramps (39.22470, -76.80600) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
1999 | |
Quartu Sant’Elena,
Sardinia Cagliari Italy |
Viale Lungomare del Golfo / Viale Cristoforo Colombo / (parking) (39.22372, 9.19555) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 1 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
||
Montgomery,
OH Hamilton Co. United States |
US 22 (Montgomery Rd.) / SR 126 (Ronald Reagan Cross Country Hwy.) (39.22308, -84.35643) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (3+ Lane) |
2021 | Previously a grade-separated freeway interchange. https://m.facebook.com/CityofMontgomeryOhio/videos/352303629903240/ |
Stephenson,
VA Frederick Co. United States |
Northumberland Dr. / Churndash Way / Patchwork Dr. (39.22289, -78.09317) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2017 | No pavement markings or splitter islands as of October 2017. |
Liberty,
MO Clay Co. United States |
Liberty Dr / Flintrock Rd (39.22231, -94.46337) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 40.7108 |
Other (At-Grade) Single-Lane |
2013 | ICD estimated from Google Maps linework. |
Kansas City,
MO Clay Co. United States |
Searcy Creek Pkwy. / NE Shoal Creek Pkwy. (39.22229, -94.50338) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 77.7240 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | |
Grass Valley,
CA Nevada Co. United States |
E. Main St. / Idaho-Maryland Rd. / SR 20 WB Ramps (39.22168, -121.05380) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2008 | Yield-controlled right-turn bypass lane on north leg with very shallow angle. Left-turn-only lane on east leg. |
Columbia,
MD Howard Co. United States |
Vantage Point Rd. (39.22074, -76.85392) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Clarksburg,
MD Montgomery Co. United States |
Cabin Branch Ave. / Skimmer St. (39.22020, -77.28435) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2016 | Year Completed estimated (2015-2017). Striping added 2019-2021. |
Kansas City,
MO Platte Co. United States |
MO-45 (Tom Watson Pkwy.) / NW Union Chapel Rd. (MO K) (39.21999, -94.73524) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 55.5165 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2010 | ICD estimated from Google Maps linework. |
Chestertown,
MD Kent Co. United States |
MD 20 / MD 291 / (parking lot) (39.21863, -76.07913) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.1899 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Kansas City,
MO Platte Co. United States |
NW Union Chapel Rd. / NW Brink-Meyer Rd. (39.21830, -94.73579) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.6842 |
Other (At-Grade) Single-Lane |
2011 | ICD estimated from Google Maps linework. |
Clarksburg,
MD Montgomery Co. United States |
Little Seneca Pkwy. / Cabin Branch Ave. (39.21654, -77.28310) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2016 | Year Completed estimated (2016-2017). Striping added 2019-2021. |
Clarksburg,
MD Montgomery Co. United States |
Broadway Ave. / Little Seneca Pkwy. (39.21646, -77.28540) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2016 | Year Completed estimated (2015-2017). Striping added 2019-2021. |
Columbia,
MD Howard Co. United States |
Golden Straw Ln. / Davis Rd. (39.21597, -76.81084) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2000 | Completed April 28, 2000. Pedestrian ramps into circulatory roadway. |
Cagliari,
Sardinia Cagliari Italy |
Via Lungo Saline / Via dell'Idrovora (39.21551, 9.17084) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
||
Clarksville,
MD Howard Co. United States |
Highland Rd. / Triadelphia Mill Rd. (39.21551, -76.97698) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2008 | |
Sycamore Township,
OH Hamilton Co. United States |
Plainfield Rd. / Sycamore Rd. (39.21534, -84.39192) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 37.9388 |
Other (At-Grade) Single-Lane |
2019 | ICD estimated from Google Maps linework. |
Columbia,
MD Howard Co. United States |
Harpers Farm Rd. / Campus Dr. (39.21534, -76.88023) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.4614 |
Other (At-Grade) Single-Lane |
2003 | Originally had 4 legs. ICD estimated from Google Maps linework. |
Columbia,
MD Howard Co. United States |
Golden Straw Ln. / Long Meadow Ct. (39.21441, -76.81085) |
Traffic Calming Circle Existing |
Other None |
3 Approaches 0 Driveways 99.0123 |
Other (At-Grade) Single-Lane |
2000 | Yield control only on west leg. ICD estimated from Google Maps linework. |
Clarksburg,
MD Montgomery Co. United States |
Clarksburg Rd. / W Old Baltimore Rd. (39.21396, -77.29731) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2019 | Year Completed estimated (2019-2020). |
Gladstone,
MO Clay Co. United States |
NE Antioch Rd. / NE Pleasant Valley Rd. (39.21369, -94.53468) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 34.2382 |
Other (At-Grade) Single-Lane |
2018 | https://www.linecreekloudmouth.com/blog/street-improvements/ ICD estimated from Google Maps linework. |
Parkville,
MO Platte Co. United States |
National Dr. / Ridge Rd. (39.21333, -94.70781) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 49.9696 |
Other (At-Grade) Single-Lane |
Functional Class: Local ICD estimated from Google Maps linework. | |
Columbia,
MD Howard Co. United States |
Oakland Mills Rd. / MD 175 SB Ramps / (unknown) (39.21308, -76.83456) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5760 |
Freeway Ramps (Grade-Separated) Single-Lane |
2017 | Year Completed estimated (2016-2017). |
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). |
Ellicott City,
MD Howard Co. United States |
Snowden River Pkwy. / MD 100 WB Ramps (39.21233, -76.79544) |
Roundabout Existing |
All-Way Yield Metering Signal |
3 Approaches 0 Driveways 25.9105 |
Freeway Ramps (Grade-Separated) Single-Lane |
1998 | Opened November 1998. Metering signal on Snowden River Pkwy approach. ICD estimated from Google Maps linework. |
Columbia,
MD Howard Co. United States |
Banneker Rd. / Cul-de-sac (39.21141, -76.87041) |
Traffic Calming Circle Existing |
Unknown Unknown |
3 Approaches 0 Driveways 17.5824 |
Other (At-Grade) Single-Lane |
Functional Class: Local ICD estimated from Google Maps linework. | |
Elkridge,
MD Howard Co. United States |
Elkridge Crossing Way / Doctor Patel Dr. (39.21091, -76.72512) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.4634 |
Other (At-Grade) Single-Lane |
2007 | East leg stubbed for future. ICD estimated from Google Maps linework. |
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. |
Elkridge,
MD Howard Co. United States |
Toomey Ln. / Fairlee Rd. (39.21083, -76.71160) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 2 Driveways 27.4320 |
Other (At-Grade) Single-Lane |
2002 | |
Snowmass Village,
CO Pitkin Co. United States |
Brush Creek Rd. / Wood Rd. / Kearns Rd. (39.21053, -106.94725) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 27.7620 |
Other (At-Grade) Single-Lane |
2016 | Right-turn bypass lane on south leg. ICD estimated from Google Maps linework. |
Parkville,
MO Platte Co. United States |
MO 45 (Tom Watson Pkwy.) / National Dr. (39.21016, -94.70027) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.1210 |
Other (At-Grade) Single-Lane |
2000 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Snowmass Village,
CO Pitkin Co. United States |
Wood Rd. / Carriage Way (39.21000, -106.94756) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 40.7179 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2016 | ICD estimated from Google Maps linework. |
Kansas City,
MO Platte Co. United States |
Lewis St. / (parking access) (39.20966, -94.68484) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.2845 |
Other (At-Grade) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
Columbia,
MD Howard Co. United States |
Trotter Rd. / South Wind Cir. (39.20956, -76.91891) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 23.1353 |
Other (At-Grade) Single-Lane |
1997 | Functional Class: Collector. Year Completed estimated (1993-2001). ICD estimated from Google Maps linework. |
Elkridge,
MD Howard Co. United States |
Toomey Ln. / Clements Ln. (39.20950, -76.71291) |
Other Existing |
Unknown Unknown |
2 Approaches 4 Driveways 0.0000 |
Other (At-Grade) Unknown |
No splitter islands. | |
Germantown,
MD Montgomery Co. United States |
Milestone Manor Ln. / Manor View Cir. / Milestone Manor Ct. (39.20854, -77.24868) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Ellicott City,
MD Howard Co. United States |
MD 103 / MD 100 WB Ramps (39.20846, -76.78294) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.3154 |
Freeway Ramps (Grade-Separated) Single-Lane |
1998 | Opened November 1998. ICD estimated from Google Maps linework. |
Columbus,
IN Bartholomew Co. United States |
11th St. / Lindsey St. / Brown St. (39.20836, -85.92443) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.4206 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | At-grade rail crossing on west leg (flashers, no gates). ICD estimated from Google Maps linework. |
Kansas City,
MO Platte Co. United States |
NW 62nd Terrace / NW Prairie View Rd. / N Chatham Ave. (39.20831, -94.64319) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Freeway Ramps (Grade-Separated) Single-Lane |
2021 | https://www.kcmo.gov/Home/Components/FacilityDirectory/FacilityDirectory/95/360 |
Kansas City,
MO Platte Co. United States |
N Nevada Ave. / NW 62nd Pl. (39.20830, -94.74611) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
Columbia,
MD Howard Co. United States |
Oakland Mills Rd. / Old Montgomery Rd. (39.20788, -76.83157) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2017 | |
Ellicott City,
MD Howard Co. United States |
MD 103 / MD 100 EB Ramps (39.20733, -76.78243) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.5396 |
Freeway Ramps (Grade-Separated) Single-Lane |
1998 | Opened November 1998. ICD estimated from Google Maps linework. |
Claycomo,
MO Clay Co. United States |
Ford Motor Plant No 4 Rd. / (parking) (39.20602, -94.47845) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2013 | Year Completed estimated (2012-2013). Reconfiguration of factory entrance and parking circulation. |
Germantown,
MD Montgomery Co. United States |
Milestone Manor Ln. / Stardrift Dr. (39.20560, -77.25039) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Columbia,
MD Howard Co. United States |
Tamar Dr. / Old Montgomery Rd. (39.20533, -76.82822) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2022 | https://www.howardcountymd.gov/News090122c |
Germantown,
MD Montgomery Co. United States |
Milestone Manor Ln. / Royal Crown Dr. (39.20518, -77.25877) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Cagliari,
Sardinia Cagliari Italy |
Viale Armando Diaz / Via Campioni d'Italia 1969-70 / Via dei Salinieri / Via Generale Stefano Cagna / Via della Pineta (39.20491, 9.13802) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
||
Clarksville,
MD Howard Co. United States |
Brighton Dam Rd. / Ten Oaks Rd. (39.20491, -76.95455) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 35.1680 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Germantown,
MD Montgomery Co. United States |
Milestone Manor Ln. / Emerald Dr. (39.20479, -77.25262) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Germantown,
MD Montgomery Co. United States |
Crystal Rock Dr. / Century Blvd. (39.20326, -77.27356) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2015 | Striping added 2019-2021. Inconsistent lane use markings between entry and circulatory roadway. |
Parkville,
MO Platte Co. United States |
N Nevada Ave. / Thousand Oaks Pl. (39.20318, -94.74726) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
Winchester,
VA Frederick Co. United States |
Campus Blvd. / SR 37 SB Ramps (39.20215, -78.19348) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.1480 |
Freeway Ramps (Grade-Separated) Single-Lane |
2015 | Right-turn merging bypass lane on east leg. Truck apron much wider than circulatory roadway. Year Completed estimated (2013-2017). |
Cagliari,
Sardinia Cagliari Italy |
Viale Poetto / Via Campioni d'Italia 1969-70 / Via Amerigo Vespucci / Viale San Bartolomeo (39.20178, 9.14142) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Unknown Multilane (2 Lane, 2x1 max) |
Via Amerigo Vespucci is one-way entering; Viale San Bartolomeo is one-way exiting. | |
Manhattan,
KS Riley Co. United States |
Kimball Ave. / Grand Mere Pkwy. (39.20168, -96.63786) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.3931 |
Other (At-Grade) Single-Lane |
2000 | Completed 3/2000. Built as part of new Colbert Hills Golf Course. Fatal crash January 31, 2010. 11861-05. Functional Class: Collector ICD estimated from Google Maps linework. |
Columbia,
MD Howard Co. United States |
Stevens Forest Rd. / Farewell Rd. / Night Street Hill (39.20114, -76.84781) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2019 | |
Hillsboro,
VA Loudoun Co. United States |
Charles Town Pike (Rte 9) / Stony Point Rd. (39.20016, -77.72763) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2021 | https://www.washingtonpost.com/transportation/2021/07/23/virginia-hillsboro-walkable-roads-loudoun/ |
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). |
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) |
||
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. |
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. |
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/ |
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 | |
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 | |
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 | |
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. | |
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). |
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 |
||
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. |
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. |
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. |
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. |
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 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/ |
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. | |
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. |
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 |
||
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. |
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. |
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 |
||
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). |