Roundabouts Database

28784 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
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.
Lees Summit, MO
Jackson Co.
United States 		SW Arborway Dr. / SW Wysteria Dr. / SW Wysteria Terr.
(38.85763, -94.39962) 		Roundabout
Existing 		Unknown
None 		4 Approaches
0 Driveways
24.1808 		Other (At-Grade)
Single-Lane 		2005 Minimal splitter islands on three legs; no splitter island on east leg. Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
St. Louis, MO
St. Louis City Co.
United States 		Tower Grove Ave. / I-64 EB Off-Ramp
(38.63045, -90.25538) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5879 		Freeway Ramps (Grade-Separated)
Single-Lane 		2014 ICD estimated from Google Maps linework.
St. Louis, MO
St. Louis City Co.
United States 		Gratiot St. / S 13th St.
(38.62104, -90.20242) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
33.5923 		Other (At-Grade)
Single-Lane 		No splitter islands. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Forum Blvd. / Green Meadows Rd.
(38.91311, -92.35373) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.3034 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019 https://www.youtube.com/watch?v=HiB5NQzLK9w. Completed October 2019. ICD estimated from Google Maps linework.
Warrensburg, MO
Johnson Co.
United States 		Hawthorne Blvd. / Cooper Blvd.
(38.78203, -93.73226) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.9306 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Warrensburg, MO
Johnson Co.
United States 		MO-13 Business / Hawthorne Blvd.
(38.78409, -93.73864) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.8257 		Other (At-Grade)
Single-Lane 		2019 http://www.dailystarjournal.com/news/local/warrensburg-roundabout-construction-completed/article_c2a33804-ca57-11e9-a264-2fd41be698da.html. Completed August 2019. ICD estimated from Google Maps linework.
Bowling Green, MO
Pike Co.
United States 		US 61 Business / Sharry St. / Town Center Dr. / (unknown)
(39.33272, -91.18290) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
57.2748 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Kennett, MO
Dunklin Co.
United States 		US 412 / CR VV / Kennett St.
(36.22581, -90.05759) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
59.4360 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2016 Add-lane right-turn bypass lane on south leg.
Flint Hill, MO
St. Charles Co.
United States 		CR P / US 61 NB Ramps / Service Rd.
(38.85292, -90.86827) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6445 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 Under construction (almost finished) Aug 2018 (streetview) ICD estimated from Google Maps linework.
University City, MO
St. Louis Co.
United States 		Delmar Blvd. / Trinity Ave.
(38.65653, -90.31072) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7103 		Other (At-Grade)
Single-Lane 		2015 Installed as temporary roundabout ~2013. Made permanent 2015. ICD estimated from Google Maps linework.
Republic, MO
Greene Co.
United States 		Republic Rd. (SR M) / RepMo Dr. / Farm Road 103
(37.13963, -93.41582) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.8915 		Other (At-Grade)
Single-Lane 		2019 http://greenecountycommonwealth.com/content/construction-complete-republic-roundabout ICD estimated from Google Maps linework.
Wildwood, MO
St. Louis Co.
United States 		MO 109 / MO 100 WB Ramps / Windsor Meadow Blvd.
(38.58501, -90.64241) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.2771 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2014 ICD estimated from Google Maps linework.
Wildwood, MO
St. Louis Co.
United States 		MO 109 / Pond Grover Loop Rd.
(38.59084, -90.64046) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.6729 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Wildwood, MO
St. Louis Co.
United States 		Manchester Rd. / Village Hills Pkwy. / Taylor Rd.
(38.57818, -90.62749) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.4797 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (2002-2003). ICD estimated from Google Maps linework.
Wildwood, MO
St. Louis Co.
United States 		Old Fairway Dr. / Elderberry Ln.
(38.57910, -90.61965) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.0099 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Wildwood, MO
St. Louis Co.
United States 		Old Fairway Dr. / Waterside Dr.
(38.57311, -90.62062) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.8135 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Wildwood, MO
St. Louis Co.
United States 		Old Fairway Dr. / Roaring Fork Dr. / (school access)
(38.56734, -90.61948) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.1469 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Wildwood, MO
St. Louis Co.
United States 		Old Fairway Dr. / Nantucket Island Dr.
(38.56696, -90.61728) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.8088 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Republic, MO
Greene Co.
United States 		Terrell Valley Dr. / Farm Road 94 / Farm Road 194
(37.09632, -93.45524) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
55.2522 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
St Louis, MO
St. Louis City Co.
United States 		McKinley Dr. / Wells Dr.
(38.63354, -90.28072) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.4467 		Other (At-Grade)
Single-Lane 		2008 Converted from traffic circle in 2007-2008. Previous circle had on-street parking in circulatory roadway. ICD estimated from Google Maps linework.
Union, MO
Franklin Co.
United States 		Denmark Rd. / Saint Andrews Dr.
(38.43079, -90.95348) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2018 https://www.emissourian.com/local_news/union/denmark-road-opens-to-traffic-project-is-nearly-finished/article_c0073fff-d446-5b9b-be14-d1bfef9abd1d.html
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 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
Carthage, MO
Jasper Co.
United States 		Fairlawn Ave. / Elk St. / Garrison Ave.
(37.15119, -94.31466) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://www.fourstateshomepage.com/news/joplin-news-first/fairlawn-roundabout-opens-in-carthage-modot-update/
Columbia, MO
Boone Co.
United States 		Rte K / S Sinclair Rd. / Old Plank Rd.
(38.87078, -92.38241) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://abc17news.com/news/2021/08/18/sinclair-and-route-k-roundabout-now-open/
Gilmore, MO
St. Charles Co.
United States 		Luetkenhaus Blvd. / Main Plaza Dr. / Wall St. / (parking)
(38.82013, -90.85000) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012).
Rolla, MO
Phelps Co.
United States 		Forum Dr. / E 18th St.
(37.95932, -91.75243) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2012).
Meadowbrook Heights, MO
Clay Co.
United States 		Tiffany Springs Pkwy
(39.26919, -94.58184) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Lake Ozark, MO
Miller Co.
United States 		Bagnell Dam Blvd. (US 54 Business) / Wilmore Ln.
(38.21266, -92.62304) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020 Left-turn-only lane on north leg. Yield-controlled right-turn bypass on south and east legs. https://www.krmsradio.com/construction-continues-on-new-54-biz-54-w-interchange-into-the-winter/
Lake Ozark, MO
Miller Co.
United States 		Wilmore Ln. / US 54 WB Ramps
(38.21456, -92.62052) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Freeway Ramps (Grade-Separated)
Single-Lane 		2021
Marshfield, MO
Webster Co.
United States 		W Hubble Dr. / N Buffalo St. / Banning St.
(37.34734, -92.91241) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2020 https://www.modot.org/node/21580
St Joseph, MO
Buchanan Co.
United States 		Robidoux St. / 8th St.
(39.76984, -94.85063) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2014-2015). https://www.newspressnow.com/opinion/editorials/progress-in-a-roundabout-way/article_3dba548e-dbbf-11ec-9a02-6faad919c23d.html
Lake St Louis, MO
St. Charles Co.
United States 		Lake Saint Louis Blvd. / Veteran's Memorial Pkwy. / I-70 EB Ramps
(38.80322, -90.77073) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
67.0560 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2022
Nixa, MO
Christian Co.
United States 		E Tracker Rd. / N Old Castle Rd.
(37.06398, -93.27318) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://www.ky3.com/2021/09/17/new-roundabout-construction-begins-monday-nixa/
Nixa, MO
Christian Co.
United States 		N Old Wilderness Rd. / W Aven St.
(37.05158, -93.30517) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2020 Year Completed estimated (2019-2021).
Ruskin Heights, MO
Jackson Co.
United States 		Ruskin Way / E 111th St. / E 111th Terrace
(38.92236, -94.50571) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands on four legs.
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
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
Kansas City, MO
Platte Co.
United States 		N Winan Ave. (N Lisbon Ave.) / Amman Dr. (Amman St.)
(39.31473, -94.69981) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 Concentric striped circulatory roadway. Year Completed estimated (2009-2010).
Kansas City, MO
Platte Co.
United States 		N Winan Ave. (N Lisbon Ave.) / N Beijing St.
(39.31653, -94.70064) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 Concentric striped circulatory roadway.
Kansas City, MO
Platte Co.
United States 		N Winan Ave. (N Lisbon Ave.) / N Cairo Dr. (N Cairo St.)
(39.31865, -94.70078) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
76.2000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 Concentric striped circulatory roadway.
Platte City, MO
Platte Co.
United States 		N Apple Blossom Dr. / NW Seven Bridges Rd / (parking)
(39.32728, -94.78581) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2006 Small splitter island far away from circulatory roadway on west leg.
Springfield, MO
Greene Co.
United States 		S Farm Rd. 129 / W Farm Rd. 146
(37.19026, -93.35414) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://www.ky3.com/2021/05/10/construction-to-begin-soon-on-roundabout-near-rutledge-wilson-farm-park/
Ashland, MO
Boone Co.
United States 		Innovation Blvd. / (unknown)
(38.82886, -92.23865) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Old Hawthorne, MO
Boone Co.
United States 		Eutsy Ln. / (parking)
(38.92977, -92.24486) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Wright City, MO
Warren Co.
United States 		Lexington Ave. / Sturbridge Dr.
(38.81909, -91.04345) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
Gilmore, MO
St. Charles Co.
United States 		Pine Creek Dr. / Pine Creek Ct.
(38.83970, -90.86642) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
St Louis, MO
St. Louis Co.
United States 		Willow Village Pkwy. / Beckham Ridge Ct. / Willowbrooke Manors Ct. / Kennabrooke Ct.
(38.68853, -90.41193) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2014 One-stage unmarked pedestrian crossings.
Columbia, MO
Boone Co.
United States 		W Nifong Blvd. / Sinclair St.
(38.91006, -92.37251) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.como.gov/CMS/pressreleases/view.php?id=6689&tbiframe=1
Columbia, MO
Boone Co.
United States 		W Nifong Blvd. / S County Woods Rd. / Vawter School Rd. / S Old Mill Creek Rd.
(38.91097, -92.38182) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.como.gov/CMS/pressreleases/view.php?id=6689&tbiframe=1
Herculaneum, MO
Jefferson Co.
United States 		McNutt St. / Providence Way
(38.25522, -90.40498) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
76.2000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2019 Ellipitcal shaped. ICD = 250 ft x 230 ft. Year Completed estimated (2018-2020).
Herculaneum, MO
Jefferson Co.
United States 		Stone Water Dr.
(38.26044, -90.42469) 		Other
Existing 		Unknown
Unknown 		2 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Springfield, MO
Greene Co.
United States 		S Glenstone Ave. / E Republic Rd. / S Nature Center Way / US 60 EB On-Ramp
(37.13772, -93.25345) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022
Springfield, MO
Greene Co.
United States 		S Oak Grove Ave. / E Catalpa St.
(37.19194, -93.24393) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2015-2017).
Cape Girardeau, MO
Cape Girardeau Co.
United States 		Walden Blvd. / Pine Hill Spur / (unknown)
(37.34186, -89.57980) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Cape Girardeau, MO
Cape Girardeau Co.
United States 		Walden Blvd. / Pine Hill Spur
(37.34363, -89.57959) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Imperial, MO
Jefferson Co.
United States 		Amberleigh Pkwy. / Amber Meadows Dr. / Amber View Dr.
(38.40708, -90.44771) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Chesterfield, MO
St. Louis Co.
United States 		Nooning Tree Dr. / Brightfield Manor Dr.
(38.66192, -90.53998) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (1996-2002).
Chesterfield, MO
St. Louis Co.
United States 		Faust Park / (parking)
(38.66416, -90.54198) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Chesterfield, MO
St. Louis Co.
United States 		River Valley Dr. / River Bend Dr.
(38.68602, -90.50327) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (2002-2003).
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
Willard, MO
Greene Co.
United States 		US 160 / E Jackson St. (MO Hwy Z)
(37.29842, -93.41908) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2020 https://www.modot.org/node/21620
Willard, MO
Greene Co.
United States 		US 160 / Farm Rd. 94
(37.27738, -93.39683) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020 https://www.modot.org/node/21620
Old Hawthorne, MO
Boone Co.
United States 		Linkside Dr. / Signature Ridge
(38.93069, -92.24261) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
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
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).
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).
Gilmore, MO
St. Charles Co.
United States 		Village Glen Dr. / Glengarry Dr.
(38.79407, -90.84755) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Gilmore, MO
St. Charles Co.
United States 		Glengarry Ct. / Kellerton Pl.
(38.79542, -90.84653) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Old Jamestown, MO
St. Louis Co.
United States 		Behlmann Farms Blvd. / Delcastle Dr. / Behlmann Meadows Way
(38.81834, -90.26599) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2004
Festus, MO
Jefferson Co.
United States 		Victoria Falls Dr. / Niagara Falls Ct.
(38.22449, -90.44699) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on three legs.
St Charles, MO
St. Charles Co.
United States 		Tecumseh St. / N 3rd St.
(38.79739, -90.47611) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0037 		Other (At-Grade)
Single-Lane 		2010 Merging right-turn bypass lane on east leg.
St Charles, MO
St. Charles Co.
United States 		Veterans Memorial Pkwy. / Fairgrounds Rd.
(38.76989, -90.50100) 		Roundabout
Unknown 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6717 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2017 Merging right-turn bypass lane on north leg.
St Charles, MO
St. Charles Co.
United States 		Boones Lick Rd. / N Outer Rd. / St Charles Ave.
(38.77702, -90.50897) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2007
St Charles, MO
St. Charles Co.
United States 		Charlestowne Village Dr. / Keelboat Cross Station
(38.82680, -90.49034) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2006
Fulton, MO
Callaway Co.
United States 		Market St. / E 2nd St.
(38.84446, -91.94722) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2011
Jefferson City, MO
Cole Co.
United States 		Stoneridge Pkwy. / Hard Rock Dr.
(38.57574, -92.22419) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2015 Year Completed estimated (2015-2017).
Jefferson City, MO
Cole Co.
United States 		Old Lohman Rd. / Westview Dr. / Big Horn Dr.
(38.56917, -92.28955) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2011 Elliptical shaped. ICD = 140 ft x 120 ft.
Jefferson City, MO
Cole Co.
United States 		E McCarty St. / US 50 EB Ramps / Supercenter Dr.
(38.54169, -92.12189) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Freeway Ramps (Grade-Separated)
Single-Lane 		2009 Yielding right-turn bypass lane with acute view angle on northwest leg. Year Completed estimated (2007-2009).
Jefferson City, MO
Cole Co.
United States 		E McCarty St. / US 50 WB Ramps
(38.54432, -92.11960) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Single-Lane 		2009 Year Completed estimated (2007-2009).
Willard, MO
Greene Co.
United States 		US 160 / S Hunt Rd. (Farm Rd 103)
(37.29288, -93.40950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2021 Year Completed estimated (2021-2022).
Laddonia, MO
Audrain Co.
United States 		US 54 / MO 19 / Hwy BB
(39.16323, -91.64907) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2019 https://www.modot.org/roundabouts-us-route-54
Poplar Bluff, MO
Butler Co.
United States 		Highway PP / Township Line Rd.
(36.76733, -90.46486) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2016).
Carl Junction, MO
Jasper Co.
United States 		MO 171 / MO 96 / CR YY
(37.20200, -94.55890) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signal/Beacon 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2021 https://webbcity.net/roundabout-at-171-and-96-open-to-traffic/
Marshfield, MO
Webster Co.
United States 		Brinkley Rd. / CR CC / I-44 WB Ramps
(37.36529, -92.90927) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020
Marshfield, MO
Webster Co.
United States 		N Marshall Rd. / CR CC / I-44 EB Ramps
(37.36485, -92.90724) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Add-lane right-turn bypass lane on southwest leg.
Kearney, MO
Clay Co.
United States 		W 19th St. / Watson Dr.
(39.35316, -94.37542) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 Designed for future expansion to multilane. https://www.modot.org/interstate-35-interchange-improvements-clay
Kearney, MO
Clay Co.
United States 		W 19th St. / Sam Barr Dr. (future)
(39.35391, -94.38445) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 North leg (Sam Barr Dr.) stubbed on opening in 2023. https://www.modot.org/interstate-35-interchange-improvements-clay
Kearney, MO
Clay Co.
United States 		Nation Rd. / W 19th St. / NE 144th St.
(39.35350, -94.38891) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://www.modot.org/interstate-35-interchange-improvements-clay
Springfield, MO
Greene Co.
United States 		S Grant Ave / W Chrisman St. / (parking)
(37.18891, -93.29950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
1 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2022 https://sgfneighborhoodnews.com/construction-wraps-up-on-first-section-of-grant-avenue-parkway/
Republic, MO
Greene Co.
United States 		E Hines St. / N Lynn Ave.
(37.12559, -93.46198) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://republicmo.com/1814/Hines-Lynn-Road-Closure
Blomeyer, MO
Cape Girardeau Co.
United States 		MO 25 / MO 77 / Nash Rd.
(37.22343, -89.66024) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Single-Lane 		2011
Weldon Spring, MO
St. Charles Co.
United States 		Technology Dr. / Meadows Pkwy. / Wolfrum Rd. / I-64 WB Exit Ramp
(38.70526, -90.67410) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Freeway Ramps (Grade-Separated)
Single-Lane 		Oval shaped. ICD = 200 ft x 180 ft. Built initially as 2x2 roundabout in 2005-2006. Concentric circulatory roadway striping. Converted to single lane using by striping out inner circulatory roadway lane and left entry lane on southwest leg 2020-2021.
Chesterfield, MO
St. Louis Co.
United States 		N Outer 40 Rd. / I-64 WB Exit Ramp
(38.67582, -90.65115) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Year Completed estimated (2009-2010).
Raymore, MO
Cass Co.
United States 		MO 58 (E Walnut St.) / N Prairie Ln. / S Prairie Ln.
(38.80333, -94.42059) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://www.modot.org/route-58-intersection-improvements
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
Nixa, MO
Christian Co.
United States 		W Pembrook Ave. / S Norton Rd.
(37.03000, -93.30859) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2023 No splitter island south leg. https://www.nixa.com/blog/2023/06/29/nixa-set-to-open-truman-blvd-tomorrow/
Wentzville, MO
St. Charles Co.
United States 		Prospect Rd. / I-64 EB Exit Ramp
(38.79596, -90.82043) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6717 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 Interchange replaced single at-grade intersection. Year Completed estimated (2008-2009).
Wentzville, MO
St. Charles Co.
United States 		Prospect Rd. / Corporate Pkwy. / I-64 WB Exit Ramp
(38.79597, -90.81810) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 Interchange replaced single at-grade intersection. Year Completed estimated (2008-2009).