Roundabouts Database

29411 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
Covington, LA
St. Tammany Par.
United States 		Greengate Dr. / Village Ln.
(30.44635, -90.08554) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
New Orleans, LA
Orleans Par.
United States 		Harrison Ave. / Diagonal Dr.
(30.00165, -90.09264) 		Other
Existing 		All-Way Yield
Other 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Painted splitter islands.
New Orleans, LA
Orleans Par.
United States 		1 Collins Diboll Circle
(29.98645, -90.09329) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
106.5494 		Other (At-Grade)
Single-Lane 		Building in center of circle with on-street parking on circulatory roadway. ICD estimated from Google Maps linework.
Centreville, IL
St. Clair Co.
United States 		SR 13 / SR 157
(38.55853, -90.09956) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		2008
Dodgeville, WI
Iowa Co.
United States 		US 18 / Bennett Rd.
(42.96960, -90.11338) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.6954 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Opened October 7, 2008. ICD estimated from Google Maps linework.
Covington, LA
St. Tammany Par.
United States 		River Chase Dr. / Continental Dr.
(30.43874, -90.12867) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2013-2014). Southwest leg stubbed.
East St Louis, IL
St. Clair Co.
United States 		N 18th St. / Baugh Ave. / I-64 WB Ramps
(38.62540, -90.13455) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
28.9249 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 ICD estimated from Google Maps linework.
East St Louis, IL
St. Clair Co.
United States 		N 9th St. / Baugh Ave. / I-70 EB Onramp
(38.63197, -90.14187) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5871 		Freeway Ramps (Grade-Separated)
Single-Lane 		2012 ICD estimated from Google Maps linework.
East St Louis, IL
St. Clair Co.
United States 		N 9th St. / St Clair Ave.
(38.63094, -90.14386) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.3196 		Other (At-Grade)
Single-Lane 		2013 Right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
Ridgeland, MS
Madison Co.
United States 		Old Agency Rd / Highland Colony Pkwy
(32.43125, -90.14893) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
47.3786 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Planned in association with interchange improvements at I-55/Old Agency Rd. Functional Class: Collector ICD estimated from Google Maps linework.
Covington, LA
St. Tammany Par.
United States 		LA-1085 / Ochsner Blvd. / Francis Rd.
(30.46681, -90.15044) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.8532 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Covington, LA
St. Tammany Par.
United States 		Ochsner Blvd. / S Ochsner Blvd.
(30.45565, -90.15060) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012). South leg added 2019-2022.
Metairie Terrace, LA
Jefferson Par.
United States 		Causeway Blvd. (LA 3046) / US 61 (Airline Hwy.)
(29.97476, -90.15636) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
107.5965 		Other (At-Grade)
Unknown 		Single-point interchange using one circle. Entire circle is on causeway structure over railroad yards. ICD estimated from Google Maps linework.
Waterloo, IL
Monroe Co.
United States 		Park St. / Lakeview Dr.
(38.33225, -90.15966) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
2 Driveways
34.6640 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Alton, IL
Madison Co.
United States 		Central Ave. / College Ave.
(38.90689, -90.17172) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Parking along circulatory roadway.
Marshfield, WI
Wood Co.
United States 		STH 13 / US 10 / CTH BB
(44.62490, -90.18009) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.3017 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 Opened November 2012. Free-flow right-turn bypass lane into added lane. ICD estimated from Google Maps linework.
Marshfield, WI
Wood Co.
United States 		STH 13 / US 10 / Klondike Dr.
(44.59813, -90.18018) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.6235 		Other (At-Grade)
Single-Lane 		2012 Opened November 2012. Free-flow right-turn bypass lane with acceleration lane. ICD estimated from Google Maps linework.
Marshfield, WI
Wood Co.
United States 		STH 13 / Heritage Dr.
(44.62685, -90.18053) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.6000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 ICD estimated from Google Maps linework.
Covington, LA
St. Tammany Par.
United States 		LA-1085 S / LA-1077
(30.46702, -90.18243) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.1179 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Jackson, MS
Hinds Co.
United States 		E Capitol St. / West St.
(32.29975, -90.18412) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.1714 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2014 ICD estimated from Google Maps linework.
Jackson, MS
Hinds Co.
United States 		E Capitol St. / Lamar St.
(32.30000, -90.18602) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
14.1333 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2014 ICD estimated from Google Maps linework.
Jackson, MS
Hinds Co.
United States 		Capitol St. / Farish St.
(32.30034, -90.18851) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.1618 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2014 ICD estimated from Google Maps linework.
Piggott, AR
Clay Co.
United States 		US 62 (W Jackson St. - N 3rd Ave.) / W Jackson St. / N 3rd Ave.
(36.38486, -90.19158) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023 US 62 makes 90-degree bend through intersection. https://www.youtube.com/watch?v=73e6KoO9gPU (site 3 in video)
Piggott, AR
Clay Co.
United States 		US 62 (Scurlock Ave. - W Jackson St.) / W Jackson St.
(36.38569, -90.19424) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023 US 62 makes 90-degree bend through intersection. Previous control: one stop, one yield. https://www.youtube.com/watch?v=73e6KoO9gPU (site 2 in the video)
Piggott, AR
Clay Co.
United States 		US 62 / W North St. / N 6th Ave.
(36.38931, -90.19428) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023 US 62 makes 90-degree bend through intersection. https://www.youtube.com/watch?v=73e6KoO9gPU (site 1 in the video)
Hurley, WI
Iron Co.
United States 		US 2 / US 51
(46.46644, -90.19438) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 Replaced trumpet interchange. https://twitter.com/WisDOTnorthcent/status/1443919877912162307
Jackson, MS
Hinds Co.
United States 		Metro Pkwy. / Terry Rd. / Pearl St. / Pascagoula St.
(32.29912, -90.19500) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
79.2480 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006
Jackson, MS
Hinds Co.
United States 		Metro Pkwy. / Rose St.
(32.30005, -90.20143) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Elliptical shaped. ICD = 160 ft x 115 ft.
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.
Jackson, MS
Hinds Co.
United States 		Metro Pkwy. / Dalton St.
(32.30095, -90.20563) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
38.3614 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Functional Class: Arterial ICD estimated from Google Maps linework.
Columbia, IL
Monroe Co.
United States 		Quarry Rd. / Palmer Creek Dr.
(38.46186, -90.21085) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2022 https://www.republictimes.net/another-roundabout-for-columbia/
Jackson, MS
Hinds Co.
United States 		John R. Lynch St. / Prentiss St.
(32.29755, -90.21119) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.3246 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 ICD estimated from Google Maps linework.
Jackson, MS
Hinds Co.
United States 		Metro Pkwy. / Prentiss St.
(32.30098, -90.21120) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
51.4850 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Functional Class: Arterial ICD estimated from Google Maps linework.
Jackson, MS
Hinds Co.
United States 		Central St. / Buena Vista Ave.
(32.30306, -90.21358) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2005 Functional Class: Local
Jackson, MS
Hinds Co.
United States 		John R. Lynch St. / Metro Pkwy. / Eastview St.
(32.29798, -90.21458) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.4296 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Functional Class: Arterial ICD estimated from Google Maps linework.
Spanish Lake, MO
St. Louis Co.
United States 		Dunn Rd. / I-270 WB Ramps
(38.77088, -90.22381) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.8160 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2020 Left-turn-only lane on east leg. Little deflection westbound.
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.
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
Ponchatoula, LA
Tangipahoa Par.
United States 		Maison Lafitte Blvd.
(30.43890, -90.24596) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
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.
Camanche, IA
Clinton Co.
United States 		US 67 / 7th Ave.
(41.79727, -90.25775) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://www.youtube.com/watch?v=r8ajPBUZU6E
Saint Louis, MO
St. Louis City
United States 		Center Cross Dr. / Main Dr.
(38.60658, -90.25836) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
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
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.
Forest Park, MO
St. Louis City Co.
United States 		Concourse Dr. / Washington Dr.
(38.63495, -90.28480) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.3234 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Forest Park, MO
St. Louis City Co.
United States 		Hampton Ave. / Concourse Dr. / Wells Dr.
(38.63316, -90.28546) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7207 		Other (At-Grade)
Single-Lane 		2009 Right-turn bypass lane merge in crosswalk area. ICD estimated from Google Maps linework.
Florissant, MO
St. Louis Co.
United States 		Vaile Ave. / Old Halls Ferry Rd.
(38.83294, -90.29315) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.4231 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Normandy, MO
St. Louis Co.
United States 		Natural Bridge Rd. (SR 115) / Florissant Rd.
(38.70418, -90.29664) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2015
Forest Park, MO
St. Louis City Co.
United States 		Government Dr. / Wells Dr.
(38.63437, -90.30113) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
44.7814 		Other (At-Grade)
Single-Lane 		2016 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.
Fredericktown, MO
Madison Co.
United States 		W Main St. / MO-72 / Commercial Dr. / Sinek Dr.
(37.56046, -90.31618) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
41.6573 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Crystal Springs, MS
Copiah Co.
United States 		MS 27 / Lee Ave.
(31.99541, -90.32108) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.6707 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Medford, WI
Taylor Co.
United States 		STH 13 / Ann's Way
(45.15473, -90.33393) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.9030 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Opened October 2011. ICD estimated from Google Maps linework.
Medford, WI
Taylor Co.
United States 		STH 13 / Allman St.
(45.14894, -90.33466) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.8545 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Opened October 2011. ICD estimated from Google Maps linework.
Hazelwood, MO
St. Louis Co.
United States 		Dunn Rd. / Sieloff Dr. / I-270 WB Entrance Ramp
(38.77626, -90.33959) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Single-Lane 		2023 Left-turn-only lane on east leg. Little deflection westbound.
Concord, MO
St. Louis Co.
United States 		Richmond Cavalry Dr. / Vicksburg Siege Ct.
(38.54358, -90.35063) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2014
Clinton, MS
Hinds Co.
United States 		Bruenburg Pkwy. / Cowles Creek Rd. / Bellemeade Trace
(32.33733, -90.35144) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Marmaduke, AR
Greene Co.
United States 		US 49 (S 3rd St.) / SR 34
(36.18693, -90.38488) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023 Year Completed estimated (2022-2023). November 2022: https://www.youtube.com/watch?v=LurUNtZaU7w May 2023: https://www.youtube.com/watch?v=Kmntt4a_kvI
Le Claire, IA
Scott Co.
United States 		Wisconsin St. / 35th St. SW / (parking)
(41.59770, -90.39139) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2022 Replaced offset T intersections. https://www.leclaireiowa.gov/340/Wisconsin-Street-and-35th-Street-Reconst
Barnhart, MO
Jefferson Co.
United States 		Metropolitan Blvd. / Marriott Ln. / (unknown) / I-55 SB On-ramp
(38.34633, -90.39727) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.5939 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Arnold, MO
Jefferson Co.
United States 		Astra Way / Missouri State Rd.
(38.44301, -90.40168) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1589 		Other (At-Grade)
Single-Lane 		2012 Located approximately 220 feet from traffic signal. https://patch.com/missouri/fenton-highridge/new-traffic-roundabout-to-be-built-on-hwy-141-between4fb74fd68b . ICD estimated from Google Maps linework.
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).
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.
Hammond, LA
Tangipahoa Par.
United States 		S Airport Rd. / Old Covington Hwy.
(30.49397, -90.41505) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
36.0196 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
St Louis, MO
St. Louis Co.
United States 		S Forty Rd. / I-64-US 40 EB Ramps
(38.63496, -90.41724) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
48.5127 		Freeway Ramps (Grade-Separated)
Single-Lane 		2009 Frontage road connection replaced direct connection to S Spoede Rd. ICD estimated from Google Maps linework.
St Louis, MO
St. Louis Co.
United States 		N Forty Dr. / I-64-US 40 WB Ramps
(38.63631, -90.41822) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
50.3777 		Freeway Ramps (Grade-Separated)
Single-Lane 		2009 Frontage road connection replaced direct connection to S Spoede Rd. ICD estimated from Google Maps linework.
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
Smelser, WI
Grant Co.
United States 		STH 80 / STH 81 / Patch Rd.
(42.66746, -90.43566) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		2023
(unincorporated), MO
Jefferson Co.
United States 		13th St. / Winding Bluffs Dr.
(38.48406, -90.44573) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7865 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
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.
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.
Bettendorf, IA
Scott Co.
United States 		Forest Grove Dr. / Competition Dr.
(41.59010, -90.45635) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2023 https://forestgrovedrive.com/ (third one in the video)
Hammond, LA
Tangipahoa Par.
United States 		Veterans Ave. / I-12 WB Ramps
(30.47969, -90.45704) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
51.4642 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Hammond, LA
Tangipahoa Par.
United States 		Veterans Ave. / I-12 EB Ramps
(30.47831, -90.45712) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
49.4063 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Hammond, LA
Tangipahoa Par.
United States 		Veterans Ave. / W Club Deluxe Ave.
(30.47557, -90.45719) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.2904 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Bettendorf, IA
Scott Co.
United States 		Forest Grove Dr. / Middle Rd.
(41.59010, -90.45966) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2023 https://www.ourquadcities.com/news/local-news/new-bettendorf-roundabout-opens-oct-18/ (video of partially complete roundabout here (it's the middle one) https://forestgrovedrive.com/ )
Bettendorf, IA
Scott Co.
United States 		Forest Grove Dr. / Championship Dr.
(41.59001, -90.46287) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2023 https://forestgrovedrive.com/ (first one in the video)
Bettendorf, IA
Scott Co.
United States 		53rd Ave. / Middle Rd.
(41.57538, -90.46408) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.5252 		Other (At-Grade)
Single-Lane 		2002 Right turn bypass lanes striped within roundabout. Construction cost ~$865,000. Information from website: http://www.bettendorf.lib.ia.us/publicworks/roundabout.html ICD estimated from Google Maps linework.
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).
Platteville, WI
Grant Co.
United States 		N Water St. / E Madison St.
(42.74037, -90.46891) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.3320 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
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.
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.
Platteville, WI
Grant Co.
United States 		Chestnut St. / Markee Ave.
(42.72607, -90.48517) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.6039 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
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
Valley Park, MO
St. Louis Co.
United States 		Meramec St. / N Highway Dr.
(38.54078, -90.49276) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
32.6957 		Other (At-Grade)
Single-Lane 		2017 At-grade railroad crossing on east leg. ICD estimated from Google Maps linework.
Valley Park, MO
St. Louis Co.
United States 		Outer Rd. W / I-44 WB Ramp
(38.53947, -90.49870) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.3013 		Freeway Ramps (Grade-Separated)
Single-Lane 		2016 Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
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.
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).
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
Guatemala City, Guatemala
Guatemala
Guatemala 		Avenida La Reforma / 10A Avenida / Ruta 6
(14.61534, -90.51392) 		Unknown
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Town and Country, MO
St. Louis Co.
United States 		MO 141 SB Ramps / Woods Mill Rd.
(38.63523, -90.51449) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
38.2503 		Other (At-Grade)
Single-Lane 		2002 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Guatemala City, Guatemala
Guatemala
Guatemala 		Rotonda Plazuela España
(14.60136, -90.51891) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Park Hills, MO
St. Francois Co.
United States 		Science St. / High St. / Rebel Dr.
(37.84763, -90.52203) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2008).
Guatemala City, Guatemala
Guatemala
Guatemala 		18 Calle / 15 Avenida
(14.57975, -90.52453) 		Other
Existing 		All-Way Stop
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Bonne Terre, MO
St. Francois Co.
United States 		Old Orchard Rd. / US 67 NB Ramps
(37.91294, -90.53029) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 Year Completed estimated (2007-2009).
Bonne Terre, MO
St. Francois Co.
United States 		Old Orchard Rd. / Raider Rd. / US 67 SB Ramps
(37.91037, -90.53216) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 Elliptical shaped. ICD = 155 ft x 145 ft. Year Completed estimated (2007-2009).
Davenport, IA
Scott Co.
United States 		Jersey Ridge Rd. / E 67th St. (Veterans Memorial Pkwy.)
(41.58937, -90.53928) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.3036 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
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 		Schoettler Valley Dr. / Highcroft Dr.
(38.64415, -90.55331) 		Other
Removed 		Unknown
Unknown 		4 Approaches
0 Driveways
17.7235 		Other (At-Grade)
Single-Lane 		1999 Temporary roundabout installed in Fall 1999. Removed September 25, 2000 due to negative public opinion. Intersection returned to AWSC. Functional Class: Local ICD estimated from Google Maps linework.