Roundabouts Database

29616 Results

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City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
Lenexa, KS
Johnson Co.
United States 		Monticello Rd. / (unknown #1)
(38.96697, -94.84409) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.2868 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Clare Rd. / 88th Terr.
(38.96687, -94.87220) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2010 Series of 5 roundabouts.
Colorado Springs, CO
El Paso Co.
United States 		Forestgate Dr. / Lochwinnoch Ln.
(38.96681, -104.68550) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.8585 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Troy, MO
Lincoln Co.
United States 		S Lincoln Dr. / US 61 SB Ramps
(38.96664, -90.95804) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
43.6444 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Gilberts Corner, VA
Loudoun Co.
United States 		US 50 / Howsers Branch Dr.
(38.96663, -77.61662) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.2870 		Other (At-Grade)
Single-Lane 		2010 Functional Class: Arterial ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Business Loop 70 / I-70 WB Ramps / Creasy Springs Rd.
(38.96655, -92.35241) 		Roundabout
Removed 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
94.7178 		Freeway Ramps (Grade-Separated)
Single-Lane 		1996 First roundabout in Missouri by Missouri DOT. Originally built in 1996 per article: https://www.voxmagazine.com/news/all-about-roundabouts-in-columbia/article_93724b2b-8b20-5228-b4de-315c5c3d2004.html. Replaced with roundabout to immediate west. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Business Loop 70 / I-70 WB On-Ramp
(38.96647, -92.35328) 		Roundabout
Existing 		All-Way Yield
Unknown 		2 Approaches
1 Driveways
35.2871 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 Replaced older roundabout that was built in 1996. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Business Loop 70 / I-70 EB Ramps / Interstate 70 Dr. SW
(38.96640, -92.35032) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
46.4304 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Lamezia Terme, Calabria
Catanzaro
Italy 		Viale Guglielmo Marconi / Via Giovanni De Sensi
(38.96616, 16.29507) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Troy, MO
Lincoln Co.
United States 		S Lincoln Dr. / S 3rd St. / Old Moscow Mills Rd.
(38.96606, -90.95936) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.3592 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
The Grant at Willowsford, VA
Loudoun Co.
United States 		Everfield Dr. / Chinkapin Pl. / Wild Plum Dr.
(38.96601, -77.59547) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2017 No external curbs.
Queenstown, MD
Queen Anne's Co.
United States 		Nesbit Rd. / Shoreway Dr.
(38.96600, -76.18291) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2011 Fourth leg stubbed.
Lawrence, KS
Douglas Co.
United States 		W. Harvard Rd. / Goldfield St. / Goldfield Ct.
(38.96597, -95.29628) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.7150 		Other (At-Grade)
Single-Lane 		2005 Built as part of Harvard Road Traffic Calming plan. A Temporary traffic circle with all way Yield control was installed prior to permanent construction. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Renner Rd. / 90th St.
(38.96544, -94.77975) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.0735 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Completed May 2007. Series of 4 roundabouts. ICD estimated from Google Maps linework.
Riverton, VA
Warren Co.
United States 		Rte 655 / Riverton Commons Dr.
(38.96486, -78.18718) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.0738 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Clare Rd. / 89th Terr.
(38.96470, -94.87216) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.0017 		Other (At-Grade)
Single-Lane 		2010 Series of 5 roundabouts. ICD estimated from Google Maps linework.
Gilberts Corner, VA
Loudoun Co.
United States 		US 15 / Howsers Branch Dr.
(38.96468, -77.62237) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.8598 		Other (At-Grade)
Single-Lane 		2010 Functional Class: Arterial ICD estimated from Google Maps linework.
Gilberts Corner, VA
Loudoun Co.
United States 		US 50 / Rte 860
(38.96444, -77.60944) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.8599 		Other (At-Grade)
Single-Lane 		2010 Functional Class: Arterial ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		W. Harvard Rd. / George Williams Way
(38.96404, -95.32552) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.1446 		Other (At-Grade)
Single-Lane 		2005 Built in conjunction with construction of George Williams Way. Functional Class: Collector ICD estimated from Google Maps linework.
De Soto, KS
Johnson Co.
United States 		Lexington Ave. / W 91st St.
(38.96404, -94.98321) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://www.desotoks.us/263/Roundabout
Loma Vista, MO
Jackson Co.
United States 		Hillcrest Rd. / Fleming Rd.
(38.96401, -94.51631) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
53.8611 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		Monterey Way / Harvard Rd.
(38.96400, -95.28833) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
15.7869 		Other (At-Grade)
Single-Lane 		1999 Built as part of reconstrction of Monterey Way. Designed as part of City/State Safety Improvement Project. ICD estimated from Google Maps linework.
Davidsonville Historic District, MD
Prince George's Co.
United States 		Science Dr. / Curie Dr.
(38.96399, -76.70897) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Lamezia Terme, Calabria
Catanzaro
Italy 		Via Giovanni De Sensi / Via Sant'Umile da Bisignano
(38.96382, 16.29558) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Unknown
Single-Lane 		Bike lane in circulatory roadway.
Colorado Springs, CO
El Paso Co.
United States 		Brainard Dr. / Squirreltail Dr.
(38.96376, -104.74410) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.2161 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Renner Rd. / S Apartment Entrance
(38.96370, -94.77972) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
2 Driveways
40.8603 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Completed May 2007. Series of 4 roundabouts. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Clark Ln. / Ballenger Pl.
(38.96325, -92.26735) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
41.7892 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		E St Charles Rd. / Lake of the Woods Rd. / Player Pl.
(38.96324, -92.24605) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
1 Driveways
26.9308 		Other (At-Grade)
Single-Lane 		2013 Oval shaped. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Clark Ln. / E St Charles Rd. / Lakewood Dr.
(38.96322, -92.25112) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
43.6465 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		Wakarusa Dr. / Legends Dr. / Inverness Dr.
(38.96296, -95.30698) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.3602 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 Open January 2015. ICD estimated from Google Maps linework.
Chillum, MD
Prince George's Co.
United States 		Oglethorpe St. / 20th Ave.
(38.96225, -76.97495) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Lenexa, KS
Johnson Co.
United States 		Clare Rd. / 92nd St.
(38.96217, -94.87213) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.0739 		Other (At-Grade)
Single-Lane 		2010 Series of 5 roundabouts. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Research Pkwy. / (unknown #3)
(38.96204, -104.71430) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.1479 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Functional Class: Arterial ICD estimated from Google Maps linework.
Prairie Village, KS
Johnson Co.
United States 		Meadowbrook Pkwy.
(38.96147, -94.64582) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Colorado Springs, CO
El Paso Co.
United States 		Research Pkwy. / (unknown #2)
(38.96123, -104.71810) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.2198 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Functional Class: Arterial ICD estimated from Google Maps linework.
Lamezia Terme, Calabria
Catanzaro
Italy 		Via Senatore Arturo Perugini / Via Giovanni De Sensi
(38.96121, 16.29572) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Columbia, MO
Boone Co.
United States 		Interstate 70 Dr. SE / N Keene St.
(38.96117, -92.28877) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.facebook.com/ColumbiaMissouriPublicWorks/posts/the-roundabout-at-the-keene-street-and-i-70-drive-se-intersection-is-open-to-tra/3580714545294334/
Parole, MD
Anne Arundel Co.
United States 		Riva Trace Pkwy. / Winters Chase Way
(38.96098, -76.56114) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Bowie, MD
Prince George's Co.
United States 		Melford Blvd. / Science Dr.
(38.96089, -76.71320) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.6480 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Concentric striping in circulatory roadway. ICD estimated from Google Maps linework.
Davidsonville Historic District, MD
Prince George's Co.
United States 		Science Dr. / (parking)
(38.96068, -76.71428) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Colorado Springs, CO
El Paso Co.
United States 		Grand Cordera Pkwy. / Sky Meadow Dr. / Wild Sage Grove
(38.96025, -104.72647) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.8623 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Loma Vista, MO
Jackson Co.
United States 		9051 Health Care
(38.96013, -94.51765) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
58.5075 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Prairie Star Pkwy. / Clare Rd.
(38.95972, -94.87209) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
56.6504 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Opened May 2009. Intersection of series of 7 roundabouts and series of 5 roundabouts. ICD estimated from Google Maps linework.
College Park, MD
Prince George's Co.
United States 		Dupont Circle
(38.95971, -76.93792) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control. No splitter islands.
Colorado Springs, CO
El Paso Co.
United States 		Research Pkwy. / (unknown #1)
(38.95966, -104.72230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5774 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Has marked double-left turn at northbound entry using conventional arrows. Functional Class: Arterial ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Prairie Star Pkwy. / Shady Bend Rd.
(38.95950, -94.87614) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.1497 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Opened May 2009. Series of 7 roundabouts. ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		West Campus Rd. / Jayhawk Blvd. / Crescent Rd.
(38.95905, -95.25105) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.7185 		Other (At-Grade)
Single-Lane 		2013 Original circle built c. 1945, rebuilt 2013 as part of reconstruction of Jayhawk Boulevard. Encircles Chi Omega fountain. Functional Class: Collector ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Prairie Star Pkwy. / High School West
(38.95897, -94.86850) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.0788 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Opened May 2009. Series of 7 roundabouts. ICD estimated from Google Maps linework.
Bowie, MD
Prince George's Co.
United States 		Melford Blvd. / Curie Dr.
(38.95842, -76.70683) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
78.9406 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Lamezia Terme, Calabria
Catanzaro
Italy 		Via Antonio Reillo / Via Senatore Arturo Perugini
(38.95830, 16.29921) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Lenexa, KS
Johnson Co.
United States 		Renner Blvd. / Parking Lot Entrance
(38.95781, -94.77966) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.2222 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 ICD estimated from Google Maps linework.
Eastport, MO
Boone Co.
United States 		Bull Run Dr. / Port Way SE
(38.95769, -92.25171) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
31.5766 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Prairie Star Pkwy. / Canyon Creek Pkwy.
(38.95767, -94.87938) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.5808 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Opened May 2009. Series of 7 roundabouts. ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Marshall Dr. / W 95th St. WB Connector
(38.95709, -94.73438) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.1492 		Other (At-Grade)
Single-Lane 		2016 Near diverging diamond interchange. https://www.ksdot.org/Assets/wwwksdotorg/Headquarters/PDF_Files/2016-11-28_ProjectUpdate12_Web_FINAL_FactSheet-LowRes.pdf . ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Prairie Star Pkwy. / McCormack Dr.
(38.95703, -94.86583) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.9377 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Opened May 2009. Series of 7 roundabouts. ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Prairie Star Pkwy. / Gleason Rd.
(38.95645, -94.86272) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.0806 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Opened May 2009. Series of 7 roundabouts. ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Prairie Star Pkwy. / Dunraven St.
(38.95644, -94.85867) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.8668 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Opened May 2009. Series of 7 roundabouts. ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		95th St. / Monticello Rd.
(38.95639, -94.84403) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.1496 		Other (At-Grade)
Single-Lane 		2008 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Mansions at Canyon Creek, KS
Johnson Co.
United States 		W 95th Ln. / Zarda Dr.
(38.95602, -94.87907) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Lenexa, KS
Johnson Co.
United States 		Marshall Dr. / W 95th St. EB Connector
(38.95590, -94.73460) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.3636 		Other (At-Grade)
Single-Lane 		2016 Near diverging diamond interchange. https://www.ksdot.org/Assets/wwwksdotorg/Headquarters/PDF_Files/2016-11-28_ProjectUpdate12_Web_FINAL_FactSheet-LowRes.pdf . ICD estimated from Google Maps linework.
Minden, NV
Douglas Co.
United States 		Hwy 88 / County Rd. / Mahogany Rd.
(38.95578, -119.77936) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.9337 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Mansions at Canyon Creek, KS
Johnson Co.
United States 		W 95th Ln.
(38.95544, -94.88063) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Lamezia Terme, Calabria
Catanzaro
Italy 		Via Antonio Reillo / Via Madre Teresa di Calcutta
(38.95540, 16.29892) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Lamezia Terme, Calabria
Catanzaro
Italy 		Via Antonio Reillo / Via Jean-Henry Dunant
(38.95537, 16.30244) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Florence, KY
Boone Co.
United States 		Sherwood Lakes Dr. / Biltmore Connector
(38.95524, -84.62936) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2020
Colorado Springs, CO
El Paso Co.
United States 		Windjammer Dr. / Brigantine Dr.
(38.95401, -104.77020) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
32.5070 		Other (At-Grade)
Single-Lane 		1995 ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		E. 17th St. / New Hampshire St.
(38.95364, -95.23475) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.0029 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (fuzzy aerial photos). ICD estimated from Google Maps linework.
Lamezia Terme, Calabria
Catanzaro
Italy 		SP108-SS109 (Via dei Bizantini) / Via Salvatore Foderaro / Via Jean-Henry Dunant
(38.95334, 16.30430) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Union, KY
Boone Co.
United States 		Sweet Harmony Ln. / Dawns Light
(38.95298, -84.67487) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
49.2256 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Prairie Star Pkwy / Montecello Rd.
(38.95251, -94.84398) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.0123 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Functional Class: Arterial ICD estimated from Google Maps linework.
Davidsonville, MD
Prince George's Co.
United States 		Marleigh Dr. / Huntchase Dr.
(38.95209, -76.79398) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
McNair, VA
Fairfax Co.
United States 		Corporate Park Dr. / Woodland View Dr.
(38.95172, -77.39609) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Lawrence, KS
Douglas Co.
United States 		W 18th St. / Ousdahl Rd.
(38.95149, -95.25571) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2016
Lawrence, KS
Douglas Co.
United States 		E. 19th St. / Barker Ave.
(38.95003, -95.23283) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
16.7188 		Other (At-Grade)
Single-Lane 		2004 Functional Class: Arterial ICD estimated from Google Maps linework.
Davidsonville, MD
Prince George's Co.
United States 		Health Center Dr. / (parking)
(38.94925, -76.74452) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Columbia, MO
Boone Co.
United States 		Bass Ave. / S Williams St.
(38.94899, -92.31709) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
27.8651 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Washington, DC

United States 		Westmoreland Circle (Massachusetts Ave. NW / Dalecarlia Dr. / Western Ave. NW / Butterworth Pl. NW)
(38.94892, -77.10097) 		Rotary
Existing 		All-Way Yield
None 		6 Approaches
0 Driveways
100.5840 		Other (At-Grade)
Multilane (3+ Lane) 		On boundary of DC and Maryland (Western Ave. is the boundary).
Bethesda, MD
Montgomery Co.
United States 		Tournay Rd. / Spangler Ave.
(38.94811, -77.11053) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Bethesda, MD
Montgomery Co.
United States 		Boxwood Rd. / Spangler Ave.
(38.94781, -77.10888) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Lamezia Terme, Calabria
Catanzaro
Italy 		SP108-SS109 (Via dei Bizantini) / Via Madre Teresa di Calcutta
(38.94764, 16.29936) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, 2x1 max)
Washington, DC
N/A Co.
United States 		Sherman Circle (Kansas Ave. / Illinois Ave. / Crittenden St.)
(38.94733, -77.02190) 		Rotary
Existing 		All-Way Stop
None 		6 Approaches
0 Driveways
89.1704 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Colonial Gardens, MO
Boone Co.
United States 		Rollins Rd. / S Fairview Rd.
(38.94681, -92.38090) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
12.0752 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2013 ICD estimated from Google Maps linework.
Union, KY
Boone Co.
United States 		Mt Zion Rd. / (unknown)
(38.94650, -84.67308) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8033 		Other (At-Grade)
Single-Lane 		2018 http://www.cityofunionky.org/ky-536mount-zion-road-update/ ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Rollins Rd. / (parking lot entrance)
(38.94644, -92.38714) 		Roundabout
Existing 		All-Way Yield
Unknown 		2 Approaches
1 Driveways
23.2217 		Other (At-Grade)
Single-Lane 		2004 Entrance to parking lot for Bonnie View Nature Sanctuary. ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		Tenley Circle (Nebraska Ave. / Wisconsin Ave. / Yuma St.)
(38.94628, -77.07875) 		Signalized Roundabout/Circle
Existing 		Signal
None 		0 Approaches
0 Driveways
73.3809 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Kenosha Dr. / Mulberry Dr.
(38.94566, -104.67644) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017).
Aldie, VA
Loudoun Co.
United States 		Lenah Mill Blvd. / Quail Crossing Way / Sparrow Pond Ct.
(38.94564, -77.57003) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 Year Completed estimated (2015-2016).
Lawrence, KS
Douglas Co.
United States 		Crestline Dr. / (parking)
(38.94514, -95.26634) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2006-2008).
Union, KY
Boone Co.
United States 		Mt Zion Rd. / Old Union Rd.
(38.94469, -84.68042) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2019 http://www.cityofunionky.org/ky-536mount-zion-road-update/
Unity Village, MO
Jackson Co.
United States 		NW Colburn Rd. / NW Blue Pkwy / Unity Way
(38.94431, -94.40453) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.8715 		Other (At-Grade)
Single-Lane 		2014 Right-turn bypass lanes on west and south legs. ICD estimated from Google Maps linework.
Davidsonville, MD
Prince George's Co.
United States 		Town Center Blvd. / Emerald Way
(38.94399, -76.73410) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Inside shopping center. No splitter islands on east and west legs.
Colorado Springs, CO
El Paso Co.
United States 		Shiloh Mesa Dr. / Mulberry Dr.
(38.94332, -104.67591) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2019).
Washington, DC
N/A Co.
United States 		Grant Circle (New Hampshire Ave. / Illinois Ave. / Varnum St. / NW 5th St.)
(38.94312, -77.01926) 		Rotary
Existing 		All-Way Stop
None 		8 Approaches
0 Driveways
120.7587 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		Clinton Pkwy. / Lake Pointe Dr.
(38.94298, -95.32938) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
31.5831 		Other (At-Grade)
Single-Lane 		2005 Fatal crash March 4, 2007. 11861-05.Functional Class: Arterial. ICD estimated from Google Maps linework.
North Milford Historic District, DE
Kent Co.
United States 		Greenbrook Dr. / Goldfinch Dr. / Nightingale Dr.
(38.94278, -75.45530) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Colorado Springs, CO
El Paso Co.
United States 		Tutt Blvd. / Bear Run Point
(38.94247, -104.71133) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.5172 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
De Soto, KS
Johnson Co.
United States 		W 103rd St. / Astra Pkwy.
(38.94208, -95.00725) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2023 https://www.kcur.org/podcast/up-to-date/2024-03-05/heres-how-de-soto-kansas-is-getting-ready-for-massive-panasonic-plants-2025-opening
Lawrence, KS
Douglas Co.
United States 		24th Pl. / Crossgate Dr.
(38.94130, -95.28875) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.9392 		Other (At-Grade)
Single-Lane 		2001 Planned in connection with extention of 24th Place Functional Class: Collector ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		24th Pl. / Inverness Dr.
(38.94105, -95.29808) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.0814 		Other (At-Grade)
Single-Lane 		2001 Approved by Commission over neighborhood opposition. Was a 3 leg intersection prior to construction. Near Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector ICD estimated from Google Maps linework.
Londontowne, MD
Anne Arundel Co.
United States 		Southdown Rd. / Landing Rd. / Decker Pl.
(38.93983, -76.57211) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane