|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Bristow,
VA Prince William Co. United States |
Tappen Mill Way / Hayes Station Way / Sorrel River Way (38.76305, -77.55212) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.9080 |
Other (At-Grade) Single-Lane |
2007 | Year Completed estimated (2006-2008). |
|
Mina de Água,
Lisbon Amadora Portugal |
Praça José Niza [Avenida General Humberto Delgado / Avenida Pedro Álvares Cabral] (38.76263, -9.23983) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
|
Parque das Nações,
Lisbon Lisboa Portugal |
Praça Princípe Perfeito [Avenida de Ulisses / Avenida Dom João II] (38.76170, -9.09832) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
|
Parque das Nações,
Lisbon Lisboa Portugal |
Alameda dos Oceanos / Avenida de Ulisses (38.76160, -9.09625) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
|
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. |
|
O'Fallon,
MO St. Charles Co. United States |
Springhurst Pkwy. / Spring Borough Dr. (38.76123, -90.77537) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2006 | Year Completed estimated (2005-2007). |
|
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. |
|
Carnide,
Lisbon Lisboa Portugal |
Avenida Mário Soares / Estrada da Correia / Estrada Militar (38.76088, -9.19743) |
Signalized Roundabout/Circle Existing |
Signal None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
||
|
Queluz,
Lisbon Sintra Portugal |
N117 (Estrada das Águas Livres - Avenida José Elias Garcia) / Rua Elias Garcia (38.76047, -9.24986) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
|
Milton,
DE Sussex Co. United States |
Windstone Blvd. / Millstone Dr. (38.75985, -75.23334) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
|
São Marcos,
Lisbon Sintra Portugal |
Estrada de Paço de Arcos / Rua Marciano Tomaz da Costa / Rua do Alto do Cotão (38.75850, -9.30697) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
|
Lewes,
DE Sussex Co. United States |
Kalmar St. / Pilotboat Dr. / Overfalls Dr. N (38.75793, -75.13541) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Pedestrian access to central island. No splitter islands on northeast, northwest, or southwest legs. | |
|
Falagueira-Venda Nova,
Lisbon Amadora Portugal |
Praça São Silvestre [Estrada dos Salgados / Rua Manuel Ribeiro de Pavia] (38.75755, -9.21864) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
||
|
Roseville,
CA Placer Co. United States |
Washington Blvd. / All America City Blvd. / Lincoln St. (38.75716, -121.28871) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.2440 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | Lincoln St. has been converted to one-way in the vicinity of the roundabout, going away from the roundabout, with a separate right-in/right-out connection to Washington Blvd. https://www.roseville.ca.us/government/departments/public_works/roadways_traffic/current_projects/roundabout_washington_allamericacity_lincoln |
|
Lewes,
DE Sussex Co. United States |
Red Tail Rd. / Peregrine Rd. / Kestrel Ct. (38.75699, -75.13283) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands on north, east, or south legs. | |
|
São Domingos de Benfica,
Lisbon Lisboa Portugal |
Rua Tomás da Fonseca / Rua António Albino Machado (38.75584, -9.16971) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
|
Milton,
DE Sussex Co. United States |
Beulah Blvd. / Lonny Ln. (38.75529, -75.23646) |
Other Existing |
Unknown Unknown |
3 Approaches 19 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
|
Lewes,
DE Sussex Co. United States |
Cadbury Circle (38.75500, -75.14035) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Parking along circulatory roadway. | |
|
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. |
|
Lewes,
DE Sussex Co. United States |
Senators Dr. / Roth Dr. (38.75454, -75.13536) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
|
O'Fallon,
MO St. Charles Co. United States |
Paul Renaud Blvd. / Lake St Louis Blvd. / Curtis Ln. (38.75382, -90.80034) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2017 | Year Completed estimated (2017-2018). |
|
Lewes,
DE Sussex Co. United States |
N Village Main Blvd. / E Chesapeake St. (38.75335, -75.17058) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Pedestrian access to central island; parking along circulatory roadway. | |
|
São Domingos de Benfica,
Lisbon Lisboa Portugal |
Rua António Albino Machado / Avenida Rui Nogueira Simões / Rua São Tomás de Aquino (38.75251, -9.16758) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
||
|
Maryland Heights,
MO St. Louis Co. United States |
Casino Center Dr. / (casino parking) (38.75175, -90.47969) |
Other Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.1195 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Yield on circulatory roadway. Year Completed estimated (1996-2002) ICD estimated from Google Maps linework. |
|
Lewes,
DE Sussex Co. United States |
Governors Blvd. / Stockley Blvd. / Ross Rd. (38.75168, -75.14361) |
Unknown Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
|
Porto Salvo,
Lisbon Oeiras Portugal |
Estrada de Leião / Estrada de Paço de Arcos / Estrada de São Marcos / Estrada Octávio Pato (38.75093, -9.30600) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
Elliptical shaped. | |
|
Highland,
IL Madison Co. United States |
US 40 / IL 160 / Poplar St. (38.75010, -89.67197) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.9832 |
Other (At-Grade) Single-Lane |
2004 | Roundabout operating nicely with no accidents reported during first six months of operation. Completed October 2004. Functional Class: Arterial ICD estimated from Google Maps linework. |
|
O'Fallon,
MO St. Charles Co. United States |
Preston Woods Pkwy. / Preston Woods Trl. / Flowering Ash Ln. (38.74881, -90.79714) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2009 | Year Completed estimated (2008-2009). |
|
Roseville,
CA Placer Co. United States |
Oak St. / Washington Blvd. (38.74817, -121.28306) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2015 | At City Hall with fire station. Year Completed estimated (2014-2015). |
|
O'Fallon,
MO St. Charles Co. United States |
Hwy DD / Dalriada Blvd. (38.74631, -90.75882) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Single-Lane |
2022 | Right-turn-only lanes on southwest and northeast legs. Appears to be convertible to 2x1. https://www.sccmo.org/DocumentCenter/View/18378/OF_HIGHWAY-DD |
|
Lewes,
DE Sussex Co. United States |
Beaver Dam Rd. / Plantation Rd. / Salt Marsh Rd. (38.74622, -75.17584) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2024 | https://www.wrde.com/news/roundabout-near-five-points-in-lewes-delays-opening-to-traffic/article_f4d5a7a8-f5e5-11ee-9c1c-47fda0d30d3e.html. Project map here: https://deldot.gov/public.ejs?command=PublicProjectPortalDocument&iDID=2008254&iProjectObjectID=54771 |
|
Lewes,
DE Sussex Co. United States |
Bay Crossing Blvd. / Vessel Cove (38.74610, -75.14170) |
Other Existing |
Unknown Unknown |
2 Approaches 6 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
|
Warrenton,
VA Fauquier Co. United States |
Vint Hill Pkwy. / Watson Ct. / Farm Station Rd. (38.74607, -77.67465) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 41.9170 |
Other (At-Grade) Single-Lane |
2017 | Fauquier County constructed a roundabout as part of the Vint Hill small area plan and new roadway alignments for Vint Hill Parkway/Watson and Weeks Roads. ICD estimated from Google Maps linework. |
|
Linton Hall,
VA Prince William Co. United States |
Tartan Hills Pkwy. / Native Rocks Dr. / Seagate Way (38.74593, -77.58755) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1911 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
|
Alcochete,
Setúbal Alcochete Portugal |
Rua Cajus / Rua do Láparo / Rua Alecrins (38.74521, -8.94779) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
|
O'Fallon,
MO St. Charles Co. United States |
Phoenix Pkwy. / Redhawk Pkwy. / Red Hawk Pl. (38.74510, -90.73630) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5341 |
Other (At-Grade) Single-Lane |
2001 | Year Completed estimated (1996-2002). ICD estimated from Google Maps linework. |
|
Alcochete,
Setúbal Alcochete Portugal |
Praça Bartolomeu Dias [Avenida do Brasil / Rua 25 de Abril] (38.74507, -8.97179) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
|
Manassas,
VA Manassas City United States |
Grant Ave. / Byrd Dr. / Bartow St. (38.74491, -77.47362) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2024 | Elliptical shaped. https://www.potomaclocal.com/2024/07/02/new-roundabout-opens-on-grant-avenue-as-part-of-road-diet/ |
|
Alcochete,
Setúbal Alcochete Portugal |
Avenida do Brasil / Avenida Dom João / N119 (38.74440, -8.96961) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
|
Warrensburg,
MO Johnson Co. United States |
SR 13 / State Hwy DD (38.74322, -93.68679) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.9872 |
Other (At-Grade) Single-Lane |
2011 | Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Lewes,
DE Sussex Co. United States |
Graves Dr. / Ann Barr St. / Silo Blvd. (38.74310, -75.18566) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
|
Linton Hall,
VA Prince William Co. United States |
Tartan Hills Pkwy (VA 3254) / Broadsword Dr. (VA 3256) (38.74232, -77.58066) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.9462 |
Other (At-Grade) Single-Lane |
2003 | ICD estimated from Google Maps linework. |
|
Lewes,
DE Sussex Co. United States |
Deep Valley Blvd. / William Dorsey St. (38.74128, -75.18701) |
Other Existing |
Unknown Unknown |
2 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
|
O'Fallon,
MO St. Charles Co. United States |
Phoenix Pkwy. / Phoenix Dr. / Boardwalk Place Dr. (38.74122, -90.73747) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5359 |
Other (At-Grade) Single-Lane |
2001 | Year Completed estimated (1996-2002). ICD estimated from Google Maps linework. |
|
Easton,
MD Talbot Co. United States |
Lakelands Dr. / Superior Cir. (38.74048, -76.06518) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands on three legs. | |
|
Colorado Springs,
CO El Paso Co. United States |
Fontaine Blvd. / Lamprey Dr. (38.74007, -104.62463) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2018 | Year Completed estimated (2017-2019). |
|
Highland,
IL Madison Co. United States |
Broadway / Poplar St. (38.73957, -89.67148) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 44.7156 |
Other (At-Grade) Single-Lane |
2008 | Year Completed estimated (2007-2009). ICD estimated from Google Maps linework. |
|
Colorado Springs,
CO El Paso Co. United States |
Nelson Blvd. / Harr Ave. (38.73903, -104.80268) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1948 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
|
Troy,
IL Madison Co. United States |
SR 162 / Lakeview Acres Rd. (38.73777, -89.93511) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.2639 |
Other (At-Grade) Single-Lane |
2013 | ICD estimated from Google Maps linework. |
|
Cottleville,
MO St. Charles Co. United States |
Gutermuth Rd. / (unknown) (38.73697, -90.66532) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2020 | |
|
Camino,
CA El Dorado Co. United States |
Pondorado Rd. / (US 50 underpass) / (future road) (38.73683, -120.70547) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | North leg passes under US 50. Future east leg not built. https://dot.ca.gov/caltrans-near-me/district-3/d3-projects/d3-us-50-camino-safety-4e620 |
|
Friendship,
MD Anne Arundel Co. United States |
Solomons Island Rd. (MD 2) / Friendship Rd. (MD 261) / Sansbury Rd. (38.73656, -76.59379) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.0594 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
|
Highland,
IL Madison Co. United States |
Iberg Rd. / Veterans Honor Pkwy. / Broadway / Saint Rose Rd. (38.73643, -89.65281) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2019 | https://www.bnd.com/news/local/community/highland-news-leader/article137270003.html |
|
Cottleville,
MO St. Charles Co. United States |
Gutermuth Rd. / MO 364 WB Ramps (38.73583, -90.66567) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2020 | https://www.stltoday.com/suburban-journals/stcharles/portion-of-gutermuth-to-close-for-route-364-interchange-construction/article_392e1870-c917-5df1-82ab-d83cceca50b8.html |
|
Linton Hall,
VA Prince William Co. United States |
Braemar Pkwy. (VA 3080) / Iona Sound Dr. (VA 3089) (38.73510, -77.56889) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 46.5816 |
Other (At-Grade) Single-Lane |
1999 | Year Completed estimated (1994-2002). ICD estimated from Google Maps linework. |
|
Cottleville,
MO St. Charles Co. United States |
Gutermuth Rd. / MO 364 EB Ramps (38.73394, -90.66626) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2020 | https://www.stltoday.com/suburban-journals/stcharles/portion-of-gutermuth-to-close-for-route-364-interchange-construction/article_392e1870-c917-5df1-82ab-d83cceca50b8.html |
|
Jennings,
MO St. Louis Co. United States |
Wilson Bridge Dr. / Alexandria Place Dr. (38.73354, -90.24449) |
Other Existing |
Uncontrolled Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
|
Alcabideche,
Lisbon Cascais Portugal |
N9 / A16 (Rota do Património da Humanidade) NB Ramps (38.73119, -9.41452) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
||
|
Lewes,
DE Sussex Co. United States |
Grove Estate Rd. (38.72983, -75.15914) |
Other Existing |
Unknown Unknown |
2 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
|
Brentsville,
VA Prince William Co. United States |
Twin Leaf Dr. / Spring Iris Dr. (38.72948, -77.55567) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2020 | Year Completed estimated (2019-2020). |
|
Alcabideche,
Lisbon Cascais Portugal |
Rotunda das Palmeiras [Terceira Circular / Rota do Património da Humanidade / Avenida de Alcabideche] (38.72895, -9.41449) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
|
Alcabideche,
Lisbon Cascais Portugal |
Rotunda José Roquete [Avenida de Alcabideche / Rua de Cascais] (38.72888, -9.41113) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
|
Queijas,
Lisbon Oeiras Portugal |
N6-2 (Estrada da Amadora - Avenida de Portugal) / Rua da Mina Grande (38.72830, -9.24809) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
|
Bristow,
VA Prince William Co. United States |
Iron Brigade Unit Ave. / Tenth Alabama Way (38.72790, -77.54408) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.2008 |
Other (At-Grade) Single-Lane |
2006 | Functional Class: Local ICD estimated from Google Maps linework. |
|
Cirby Side,
CA Placer Co. United States |
Somer Ridge Dr. / (parking) (38.72754, -121.28342) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
|
(unincorporated),
MD Prince Georges Co. United States |
Ft. Washington Rd. / Swan Creek Rd. (38.72498, -77.00491) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.1576 |
Other (At-Grade) Single-Lane |
1997 | Fourth leg added. Year Completed estimated (before 2001). ICD estimated from Google Maps linework. |
|
Bridgeville,
DE Sussex Co. United States |
Heritage Shores Cir. / Champions Dr. (38.72458, -75.60463) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
|
Security-Widefield,
CO El Paso Co. United States |
Fountain Mesa Rd. / Caballero Ave. / Fortman Ave. (38.72330, -104.69956) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2021-2022). https://www.koaa.com/news/covering-colorado/new-roundabout-but-is-it-keeping-children-safe |
|
Rehoboth Beach,
DE Sussex Co. United States |
Liverpool Ln. / Oxford Ct. / Limerick Dr. / Worcester Dr. (38.72326, -75.09795) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2006 | Year Completed estimated (2005-2006). |
|
St. Louis,
MO St. Louis Co. United States |
Halls Ferry / MO 367 (38.72251, -90.24017) |
Rotary Existing |
All-Way Yield None |
6 Approaches 0 Driveways 86.6571 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
three of the six approaches are multilane and have dual lanes of traffic merging into both lanes of the roundabout; roundabout is unstriped. Description as follows: Halls Ferry Circle is 3 lanes wide, 350 foot diameter, 35 miles per hour and has 5 major roadways entering (from http://www.ballwin.mo.us/minutes_062402.html) ICD estimated from Google Maps linework. | |
|
Dunkirk,
MD Calvert Co. United States |
Ward Rd. / (entrance to park) (38.72220, -76.64529) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2021 | https://southernmarylandchronicle.com/2021/07/02/section-of-ward-road-in-calvert-to-close-for-construction/ |
|
Rehoboth Beach,
DE Sussex Co. United States |
Warrington Rd. / Healthy Way (38.72141, -75.14094) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2021 | Year Completed estimated (2019-2021). https://deldot.gov/Programs/roundabouts/images/warrington.jpg. |
|
Samouco,
Setúbal Alcochete Portugal |
M501 / Rua do Oceano / Rua da Quinta da Praia (38.72128, -9.00093) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
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|
Praia da Vitória,
Terceira Island Portugal |
Estrada da Circunvalação (Rte 1A) / Via Vitorino Nemesio (38.71992, -27.06340) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 1 Driveways 44.7279 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
|
São Domingos de Rana,
Lisbon Cascais Portugal |
Rua dos Canteiros / Avenida Salgueiro Maia / Avenida Amália Rodrigues (38.71855, -9.34707) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
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Owings,
MD Calvert Co. United States |
Good Shepherd Way / Megatha Ln. (38.71846, -76.62480) |
Other Existing |
Uncontrolled Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
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O'Fallon,
MO St. Charles Co. United States |
Technology Dr. / Waterbury Falls Dr. (38.71843, -90.69627) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2003 | Year Completed estimated (2002-2003). Southwest leg added 2008-2009. |
|
Briatico,
Calabria Vibo Valentia Italy |
SP6 / SP80 (38.71758, 16.04923) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
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Linda-a-Velha,
Lisbon Oeiras Portugal |
Avenida 25 de Abril de 1974 / Alameda António Sérgio / Rua Alexandre Herculano (38.71706, -9.23763) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
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|
O'Fallon,
MO St. Charles Co. United States |
Technology Dr. / Progress Point Pkwy. / (parking) (38.71685, -90.69499) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2003 | Year Completed estimated (2002-2003). |
|
Bridgeville,
DE Sussex Co. United States |
Heritage Shores Cir. / White Pelican Ct. / Will's Island Dr. (38.71647, -75.60235) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
|
Linda-a-Velha,
Lisbon Oeiras Portugal |
Alameda António Sérgio / Avenida Carolina Michaelis (38.71625, -9.23698) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
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Afonsoeiro,
Setúbal Montijo Portugal |
Circular Externa / Rua das Naus (38.71601, -8.95715) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 2 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
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|
Lisbon,
Lisbon Lisboa Portugal |
Rua de São Jorge / Avenida de Álvares Cabral / Rua João Anastácio Rosa (38.71579, -9.15871) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
3rd street is one way out of roundabout | |
|
Weldon Spring,
MO St. Charles Co. United States |
Weldon Spring Rd. / Technology Dr. / Siedentop Rd. (38.71551, -90.68906) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2004 | Painted splitter island on east leg. Year Completed estimated (2003-2004). |
|
Cascais,
Lisbon Cascais Portugal |
Avenida Condes de Barcelona / A5 Ramps / Rua do Campo Santo (38.71537, -9.38870) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
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Owings,
MD Calvert Co. United States |
Cross Point Dr. / Paulyn Dr. (38.71532, -76.61335) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
|
Rehoboth Beach,
DE Sussex Co. United States |
Rehoboth Ave. / Grove St. (38.71501, -75.09075) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.6163 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | Yield-controlled right-turn bypass lane on SB approach. Fishhook pavement markings. Heavy bicycle and pedestrian traffic. Extensive queuing with beach-related surges. Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Owings,
MD Calvert Co. United States |
Cross Point Dr. / Blue Sky Ct. / Bear Claw Ct. (38.71468, -76.61554) |
Other Existing |
Unknown Unknown |
3 Approaches 4 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
|
Lewes,
DE Sussex Co. United States |
Cardiff Circle (38.71458, -75.17947) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
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Linda-a-Velha,
Lisbon Oeiras Portugal |
Avenida Maximiano Lemos / Alameda Fernão Lopes / Rua Quinta das Romeiras / Rua Afonso Praça / A36 SB Ramp (38.71369, -9.22492) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
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Afonsoeiro,
Setúbal Montijo Portugal |
Circular Externa / Rua Antero de Quental (38.71345, -8.94616) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
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Bridgeville,
DE Sussex Co. United States |
Heritage Shore Dr. / (future roads) (38.71236, -75.59344) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
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|
Bridgeville,
DE Sussex Co. United States |
Heritage Shore Dr. (38.71171, -75.59194) |
Other Existing |
Unknown Unknown |
2 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
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|
Mount Vernon,
VA Fairfax Co. United States |
Mount Vernon Memorial Hwy (38.71132, -77.08612) |
Other Existing |
Unknown Unknown |
2 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
Parking along circulatory roadway. | |
|
Praia da Vitória,
Terceira Island Portugal |
Estrada da Circunvalação (Rte 2A) / Caminho dos Poços (38.71093, -27.06084) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.2571 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
|
Caxias,
Lisbon Oeiras Portugal |
Avenida das Seleções / Estrada Militar / A9 SB Ramps (38.71045, -9.26562) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
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Caxias,
Lisbon Oeiras Portugal |
Rua Calvet de Magalhães / Avenida António Sena da Silva / Rua do Penedo (38.71033, -9.28560) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
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|
Linda-a-Velha,
Lisbon Oeiras Portugal |
Avenida dos Bombeiros Voluntários de Algés / Alameda Engenheiro José Mattos e Silva / A36 NB Ramp (38.70931, -9.22470) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
Oval shaped. | |
|
Rehoboth Beach,
DE Sussex Co. United States |
Wanoma Cir. / Coatue Blvd. (38.70922, -75.12642) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. |