Roundabouts Database

30016 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
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).
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.
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.
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.
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
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.
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.
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
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
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
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
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.
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.
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 		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.
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 		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. / 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 		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. / 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.
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 		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.
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
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.
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.
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. / 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.
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.
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.
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.
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.
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.
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.
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.
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
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/
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
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.
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 #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.
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.
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.
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.
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.
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. / 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.
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.
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.
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.
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.
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.
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 		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
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.
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.
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.
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 		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.
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.
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.
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.
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.
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
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.
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 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.
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.
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.
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.
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.
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.
Lawrence, KS
Douglas Co.
United States 		W. Harvard Rd. / Grove Dr. / Mulberry Dr.
(38.96701, -95.29801) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
15.7862 		Other (At-Grade)
Unknown 		2005 Built as part of Harvard Road traffic calming plan. A temporary traffic circle was in place for some time prior to permanent construction. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Annapolis, MD
Anne Arundel Co.
United States 		Bywater Rd.
(38.96731, -76.52788) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
College Park, MD
Prince George's Co.
United States 		Lafayette Ave. / Rivertech Ct.
(38.96737, -76.93276) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
Kansas City, MO
Jackson Co.
United States 		E 87th St. / I-435 NB Ramps / Benjamin Plaza Ct.
(38.96739, -94.51883) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
65.0017 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2011 ICD estimated from Google Maps linework.
Troy, MO
Lincoln Co.
United States 		S Lincoln Dr. / Bueneman Ln. / US 61 NB Ramps
(38.96739, -90.95594) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
39.9296 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Renner Rd. / 89th St.
(38.96741, -94.77979) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.8582 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Completed May 2007. Series of 4 roundabouts. ICD estimated from Google Maps linework.
Kansas City, MO
Jackson Co.
United States 		E 87th St. / I-435 SB Ramps / Hillcrest Rd.
(38.96747, -94.52084) 		Other
Existing 		Other
None 		4 Approaches
1 Driveways
78.0019 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2011 Elliptical shape. HIllcrest Road south leg has painted splitter island and no signed or marked control. ICD estimated from Google Maps linework.
Washington, DC

United States 		Chevy Chase Circle (Connecticut Ave. NW / Western Ave. NW / Chevy Chase Pkwy. NW / Grafton St.)
(38.96761, -77.07716) 		Rotary
Existing 		All-Way Yield
None 		7 Approaches
0 Driveways
109.7280 		Other (At-Grade)
Multilane (3+ Lane) 		On boundary between DC and Maryland (Western Ave. is the boundary). Pedestrian access to central island.
Lawrence, KS
Douglas Co.
United States 		W. Harvard Rd. / S. Moundridge Dr.
(38.96770, -95.30438) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
13.0003 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Forestgate Dr. / Cairngorm Way
(38.96770, -104.69892) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.4293 		Other (At-Grade)
Single-Lane 		2002 Elliptical shape. Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		Harvard Rd. / Wakarusa Dr.
(38.96771, -95.30696) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
40.8580 		Other (At-Grade)
Unknown 		2018 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Rangeline Rd. / I-70 EB Ramps
(38.96822, -92.32486) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
31.5719 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Pine Manor Dr. / Stoneglen Dr.
(38.96827, -104.76670) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
26.9289 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
College Park, MD
Prince George's Co.
United States 		River Rd. / University Research Ct. / Haig Dr.
(38.96838, -76.92358) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.0005 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		E St Charles Rd. / Battle Ave.
(38.96887, -92.22748) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
37.1430 		Other (At-Grade)
Single-Lane 		2019 http://gis.gocolumbiamo.com/BattleStCharlesRoundabout.jpg ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Promenade Dr. / Royal Pine Dr.
(38.96891, -104.74860) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.2859 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Renner Rd. / 88th St.
(38.96903, -94.77977) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.0001 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Completed May 2007. Series of 4 roundabouts. ICD estimated from Google Maps linework.
Gilberts Corner, VA
Loudoun Co.
United States 		US 50 / US 15
(38.96912, -77.62269) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.9286 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Functional Class: Arterial ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Rangeline Rd. / I-70 WB Ramps
(38.96927, -92.32512) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
26.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Monticello Rd. / (unknown #2)
(38.96972, -94.84409) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.0712 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Topeka, KS
Shawnee Co.
United States 		Wanamaker Rd. / 53rd St.
(38.97103, -95.76216) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.4277 		Other (At-Grade)
Single-Lane 		2007 Previously controlled by two-way stop ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Vandiver Dr. / Parker St.
(38.97104, -92.31310) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
61.2841 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Briargate Pkwy. / Wolf Center Dr.
(38.97110, -104.72451) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.9272 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Clare Rd. / 86th Terr.
(38.97160, -94.87243) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.0706 		Other (At-Grade)
Single-Lane 		2010 Series of 5 roundabouts. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Royal Pine Dr. / Purple Plum Way
(38.97220, -104.75351) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2007-2011).
Colorado Springs, CO
El Paso Co.
United States 		Briargate Pkwy. / Valemount Dr.
(38.97236, -104.72142) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.4265 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		Bauer Farm Dr. / Champion Ln.
(38.97244, -95.30301) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2009 Completed June 2009 as part of new development.
Colorado Springs, CO
El Paso Co.
United States 		Continental Heights / Prominent Point
(38.97278, -104.74369) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.7843 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.