Roundabouts Database

28870 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
Jacksonville, AR
Pulaski Co.
United States 		Galloway Circle
(34.86330, -92.10433) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Buildings in central island.
Lafayette, LA
Lafayette Par.
United States 		Ridge Rd. / Rue du Belier
(30.18122, -92.09189) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.1024 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Scott, LA
Lafayette Par.
United States 		SR 93 (Dulles Dr. - Rue du Belier) / Dulles Dr. / Apollo Rd.
(30.21059, -92.09177) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Single-Lane 		2023 https://www.youtube.com/watch?v=NcfKeJNg9qo
Lafayette, LA
Lafayette Par.
United States 		Dulles Dr. / N Domingue Ave.
(30.21055, -92.08378) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2021-2022).
Lafayette, LA
Lafayette Par.
United States 		E Broussard Rd. (LA 733) / Kaliste Saloom Rd.
(30.13670, -92.06574) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020 https://developinglafayette.com/wp/lafayettes-two-lane-super-roundabout-opens-today-at-9-am-see-information-photos/
(unincorporated), IA
Buchanan Co.
United States 		120th St. / Baxter Ave.
(42.61280, -92.05736) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2012 Rural with high-speed approaches.
Duluth, MN
St. Louis Co.
United States 		Glenwood St. / Snively Rd. / Jean Duluth Rd.
(46.83659, -92.05525) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.duluthnewstribune.com/news/local/glenwood-street-roundabout-to-open-saturday
Lafayette, LA
Lafayette Par.
United States 		Settlers Trace / River Ranch Dr.
(30.17073, -92.03625) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
42.3339 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 This a part of a Neo Traditional Neighborhood and the related street system. Completed June 2001. Functional Class: Collector ICD estimated from Google Maps linework.
Youngsville, LA
Lafayette Par.
United States 		Verot School Rd. / E Milton Ave.
(30.10933, -92.03248) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
35.1280 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Carencro, LA
Lafayette Par.
United States 		Hector Connoly Rd. / (shopping center access)
(30.32295, -92.03074) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0518 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Lafayette, LA
Lafayette Par.
United States 		Woodstone Dr. / Cherrywood Dr. / Narrow Way Dr.
(30.13114, -92.02997) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Lafayette, LA
Lafayette Par.
United States 		Girard Park Dr. / Hospital Dr. / Girard Park Cir.
(30.20438, -92.02050) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.katc.com/news/lafayette-parish/new-roundabout-at-girard-park-and-hospital-drive-officially-opens
Youngsville, LA
Lafayette Par.
United States 		Centre Sal Celle Blvd.
(30.10689, -92.01768) 		Unknown
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Youngsville, LA
Lafayette Par.
United States 		Centre Sal Celle Blvd. / (parking)
(30.10836, -92.01747) 		Other
Existing 		Other
Unknown 		4 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Mix of yield-controlled and uncontrolled entries.
Youngsville, LA
Lafayette Par.
United States 		LA 92 / Chemin Metairie Pkwy.
(30.10922, -92.01561) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
38.2276 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Youngsville, LA
Lafayette Par.
United States 		Chemin Metairie Rd. / Savoy Rd.
(30.09469, -92.01512) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://1079ishot.com/progress-road-construction-roundabout-youngsville-chemin-metairie-savoy/
Youngsville, LA
Lafayette Par.
United States 		Annaberg Dr. / Deysbrook Ln.
(30.10597, -92.01452) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Youngsville, LA
Lafayette Par.
United States 		Prescott Blvd. / Broyles Ln.
(30.10179, -92.00802) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.1307 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Youngsville, LA
Lafayette Par.
United States 		LA 92 / Bonin Rd.
(30.10895, -92.00773) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.1614 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Youngsville, LA
Lafayette Par.
United States 		Fortune Rd. / Bonin Rd.
(30.12382, -92.00743) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.5852 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Youngsville, LA
Lafayette Par.
United States 		Chemin Metairie Rd. / Detente Rd.
(30.09046, -92.00503) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		2020 Year Completed estimated (2020-2021).
Youngsville, LA
Lafayette Par.
United States 		Copper Meadow Blvd. / Fountain View
(30.10510, -91.99648) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
49.5946 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Monroe, LA
Ouachita Par.
United States 		LA 594 / Rowland Rd.
(32.54334, -91.99073) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.youtube.com/watch?v=vPb7lCyxeHg
Youngsville, LA
Lafayette Par.
United States 		LA 89 / Chemin Metairie Pkwy.
(30.08441, -91.99059) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
38.2372 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Lafayette, LA
Lafayette Par.
United States 		Lafayette St. / Young St. / Iberia St.
(30.10199, -91.99055) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.1972 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Broussard, LA
Lafayette Par.
United States 		W Fairfield Dr. / S Bernard Rd.
(30.11737, -91.97755) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		2017 Merging right-turn bypass lane on north leg. Add-lane right-turn bypass lane on east leg. Year Completed estimated (2017-2018).
Broussard, LA
Lafayette Par.
United States 		W Fairfield Dr.-E Fairfield Dr. / S Morgan Ave.
(30.11655, -91.96517) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2007 South leg added when roundabout constructed.
Fairfield, IA
Jefferson Co.
United States 		SR 1 (S Main St.) / Libertyville Rd. / S Junction Rd.
(40.98829, -91.96307) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://www.youtube.com/watch?app=desktop&v=Mabi9suTVMA
Pine Bluff, AR
Jefferson Co.
United States 		US 63-US 79-SR 15 (Market St.) / Saracen Resort Dr.
(34.21292, -91.96112) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
67.0560 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2020 Double left turn on north and south legs.
Youngsville, LA
Lafayette Par.
United States 		Chemin Metarie Pkwy. / Viaulet Rd.
(30.07649, -91.95547) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.2403 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2012-2014). ICD estimated from Google Maps linework.
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
Urbana, IA
Benton Co.
United States 		SR 150 (31st Ave. - Sunset St.) / Sunset St. (55th St.)
(42.22578, -91.89114) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://vintontoday.com/articles/news/article1033582.html
New Iberia, LA
Iberia Par.
United States 		LA 3212 (Northwest Bypass) / Grand Prairie Rd.
(30.01150, -91.88149) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Single-Lane 		2022 North leg stubbed. Year Completed estimated (2021-2022).
Breaux Bridge, LA
St. Martin Par.
United States 		Grand Pointe Ave. (LA 347) / Doyle Melancon Rd.
(30.28636, -91.87545) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Single-Lane 		2019 Circle moved to save an old oak tree. https://www.klfy.com/local/dotd-changes-roundabout-design-for-200-year-old-tree/
Henderson, LA
St. Martin Par.
United States 		Grandpoint Hwy (LA 347) / I-10 EB Ramps
(30.31467, -91.83156) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.2720 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Henderson, LA
St. Martin Par.
United States 		Grandpoint Hwy (LA 347) / I-10 WB Ramps
(30.31615, -91.83076) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.3644 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Trego, WI
Washburn Co.
United States 		US 63 / US 53 SB Ramps / CR E
(45.89603, -91.82981) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2022 https://mobile.twitter.com/WisDOTnorthwest/status/1587519853581271043?cxt=HHwWhoC8qaq5gIgsAAAA
Trego, WI
Washburn Co.
United States 		US 63 / US 53 NB Ramps / Service Loop
(45.89745, -91.82604) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2022 https://mobile.twitter.com/WisDOTnorthwest/status/1587519853581271043?cxt=HHwWhoC8qaq5gIgsAAAA
Rolla, MO
Phelps Co.
United States 		Kings Hwy. / Old Wire Outer Rd. / I-44 WB Ramps
(37.94424, -91.79360) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.6860 		Freeway Ramps (Grade-Separated)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Rolla, MO
Phelps Co.
United States 		Kings Hwy / I-44 EB Ramps / Martin Spring Dr.
(37.94354, -91.79109) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.6283 		Freeway Ramps (Grade-Separated)
Single-Lane 		2012 Elliptical shape. ICD estimated from Google Maps linework.
Rolla, MO
Phelps Co.
United States 		University Dr. / White Columns Dr. / Nagogami Rd. / I-44 WB Ramps
(37.95683, -91.78285) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.6096 		Freeway Ramps (Grade-Separated)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Rolla, MO
Phelps Co.
United States 		US 63 (N Bishop Ave.) / University Dr.
(37.95373, -91.77712) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Entrance to Missouri S&T campus. http://moverollatdd.com/university-drive-realignment/
Rice Lake, WI
Barron Co.
United States 		CTH O (18 1 / 2 Ave.) / 19th St.
(45.47333, -91.76556) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.3129 		Other (At-Grade)
Single-Lane 		2005 Opened October 25, 2005. ICD estimated from Google Maps linework.
Rice Lake, WI
Barron Co.
United States 		STH 48 (21st Ave.) / West Ave. / 19th St.
(45.50939, -91.76507) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Single-Lane 		2020 https://www.apg-wi.com/rice_lake_chronotype/free/traffic-changes-around-us-53-wis-48-interchange-in-rice-lake-coming-in-october/article_4e8de952-0334-11eb-a7de-678b8ff263bc.html
Rice Lake, WI
Barron Co.
United States 		STH 48 (21st Ave - Knapp St.) / US 53 SB Ramps
(45.50932, -91.76298) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Yield-controlled right-turn bypass lane on west leg. https://www.apg-wi.com/rice_lake_chronotype/free/traffic-changes-around-us-53-wis-48-interchange-in-rice-lake-coming-in-october/article_4e8de952-0334-11eb-a7de-678b8ff263bc.html
Rice Lake, WI
Barron Co.
United States 		STH 48 (W Knapp St.) / US 53 NB Ramps
(45.50926, -91.76067) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Yield-controlled right-turn bypass lane on east leg. https://www.apg-wi.com/rice_lake_chronotype/free/traffic-changes-around-us-53-wis-48-interchange-in-rice-lake-coming-in-october/article_4e8de952-0334-11eb-a7de-678b8ff263bc.html
Rice Lake, WI
Barron Co.
United States 		CTH O (18 1 / 2 Ave.) / US 53 SB Ramps
(45.47325, -91.76021) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5005 		Freeway Ramps (Grade-Separated)
Single-Lane 		2006 Opened June 1, 2006 ICD estimated from Google Maps linework.
Rayville, LA
Richland Par.
United States 		US 425 (Julia St. - Louisa St.) / Grimshaw St. / Christian Dr.
(32.46006, -91.75859) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2022 Julia Street on north leg is one-way into the roundabout; Louisa Street is one-way out of the roundabout. https://www.knoe.com/2022/09/15/town-rayville-celebrates-new-51-million-us-425-roundabout/
Rice Lake, WI
Barron Co.
United States 		CTH O (18 1 / 2 Ave.) / US 53 NB Ramps
(45.47319, -91.75753) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5006 		Freeway Ramps (Grade-Separated)
Single-Lane 		2006 Opened June 1, 2006 ICD estimated from Google Maps linework.
Cedar Rapids, IA
Linn Co.
United States 		Stoney Point Rd. NW / E Ave. NW
(41.97858, -91.75502) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2019 https://kwwl.com/2019/08/16/stoney-point-rd-reopens-after-months-welcoming-cedar-rapids-4th-roundabout/
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).
Rolla, MO
Phelps Co.
United States 		McCutchen Dr. / St Marias St.
(37.95999, -91.74801) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2020).
Cedar Rapids, IA
Linn Co.
United States 		Williams Blvd. / Dean Rd.
(41.94231, -91.74776) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2020 Year Completed estimated (2019-2020). https://www.kcrg.com/2020/09/18/cedar-rapids-woman-faces-traffic-charges-after-overturning-her-van-on-williams-boulevard/
Rice Lake, WI
Barron Co.
United States 		College Dr. / Technology Dr.
(45.47778, -91.74466) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.8230 		Other (At-Grade)
Single-Lane 		2005 Functional Class: Local ICD estimated from Google Maps linework.
New Iberia, LA
Iberia Par.
United States 		Belle Place Olivier Rd. (LA 320) / Loreauville Rd. (LA 86)
(30.00947, -91.74349) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2017
Cedar Rapids, IA
Linn Co.
United States 		Johnson Ave. NW / Jacolyn Dr. NW
(41.96894, -91.73181) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9080 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2020 Year Completed estimated (2019-2020).
Cedar Rapids, IA
Linn Co.
United States 		Johnson Ave. NW / Wiley Blvd. NW
(41.97123, -91.72580) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
22.1990 		Other (At-Grade)
Single-Lane 		2018 http://www.cedar-rapids.org/local_government/departments_g_-_v/public_works/johnson_avenue_nw.php ICD estimated from Google Maps linework.
Cedar Rapids, IA
Linn Co.
United States 		1st Ave. NW / Wiley Blvd.
(41.96746, -91.72573) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022
Rice Lake, WI
Barron Co.
United States 		CTH MM (Orchard Beach Ln.) / Kern Ave.
(45.48642, -91.72517) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9569 		Other (At-Grade)
Single-Lane 		2005 Opened June 15, 2005. ICD estimated from Google Maps linework.
Hiawatha, IA
Linn Co.
United States 		Tower Terrace Rd. / N Center Point Rd.
(42.05872, -91.69228) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 https://www.facebook.com/hedcoiowa/videos/new-roundabout-at-tower-terrace-and-n-center-point-rd/550647193126949/
Cedar Rapids, IA
Linn Co.
United States 		E Ave. NW / Ellis Blvd. NW / 6th St. NW
(41.97796, -91.68196) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023 At-grade rail crossing approximately 200 feet east of roundabout. https://www.thegazette.com/news/ellis-boulevard-extension-opens-to-traffic-in-northwest-cedar-rapids/
Winona, MN
Winona Co.
United States 		Gilmore Ave. / W Service Dr. / US 14 Connector
(44.04862, -91.67639) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.0359 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2016 https://www.winonadailynews.com/news/local/govt-and-politics/glimmer-for-gilmore-gridlock-main-winona-intersection-at-gilmore-hwy/article_1fc8ebc1-b84a-5bbc-8b4b-6317a3140a01.html ICD estimated from Google Maps linework.
Cedar Rapids, IA
Linn Co.
United States 		6th St. SW / (parking)
(41.90137, -91.67614) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2022 Year Completed estimated (2021-2022).
Cedar Rapids, IA
Linn Co.
United States 		Kirkwood Blvd SW. / S School Access Rd.
(41.89988, -91.65658) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6698 		Other (At-Grade)
Single-Lane 		2017 http://www.cedar-rapids.org/local_government/departments_g_-_v/public_works/kirkwood_blvd_sw.php ICD estimated from Google Maps linework.
Cedar Rapids, IA
Linn Co.
United States 		Kirkwood Blvd. / Woodstone Ln. SW
(41.89597, -91.65653) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 Year Completed estimated (2021-2022).
Cedar Rapids, IA
Linn Co.
United States 		16th Ave. SE / 5th St. SE
(41.97092, -91.65498) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2019).
Cedar Rapids, IA
Linn Co.
United States 		Tower Rd. SW / Training Rd.
(41.91459, -91.65437) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
33.7725 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
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
Marion, IA
Linn Co.
United States 		County Home Rd. / C Ave. Extension
(42.09487, -91.64848) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://cbs2iowa.com/news/local/county-home-road-reopens-in-linn-county-after-improvement-project
Tiffin, IA
Johnson Co.
United States 		E Marengo Rd. (US 6) / Park Rd.
(41.70604, -91.64711) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Single-Lane 		2019 Designed for expansion to two-lane roundabout. Year Completed estimated (2019-2020).
Maryville, IA
Fayette Co.
United States 		IA 3 / IA 187
(42.68763, -91.64565) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.5057 		Other (At-Grade)
Single-Lane 		2009 Rural ICD estimated from Google Maps linework.
Laddonia, MO
Audrain Co.
United States 		US 54 / MO 19 / CR J
(39.28073, -91.64373) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2022 https://www.modot.org/node/27038
North Liberty, IA
Johnson Co.
United States 		Kansas Ave. / St. Andrews Dr.
(41.73785, -91.63707) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Single-Lane 		2019
North Liberty, IA
Johnson Co.
United States 		St. Andrews Dr. / Alexander Way
(41.73776, -91.62789) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6717 		Other (At-Grade)
Single-Lane 		2020
Winona, MN
Winona Co.
United States 		STH 43 (Mankato Ave.) / Riverbend Rd.
(44.03299, -91.62216) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2022 Entrance to Winona Health hospital. https://www.dot.state.mn.us/d6/projects/hwy43/index.html
Winona, MN
Winona Co.
United States 		US 14-US 61 / STH 43
(44.02956, -91.62216) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2022 https://www.youtube.com/watch?v=xA9c17OwsGk
Winona, MN
Winona Co.
United States 		STH 43 (Mankato Ave.) / Frontenac Dr. / Parks Ave.
(44.03525, -91.62177) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2022 https://www.dot.state.mn.us/d6/projects/hwy43/index.html
Winona, MN
Winona Co.
United States 		STH 43 (Mankato Ave. - E Sarnia St.) / Mankato Ave.
(44.03717, -91.62173) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2022 https://www.dot.state.mn.us/d6/projects/hwy43/index.html
Marion, IA
Linn Co.
United States 		County Home Rd. / Alburnett Rd.
(42.09450, -91.61904) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2020 Year Completed estimated (2019-2020).
Winona, MN
Winona Co.
United States 		CSAH 17 / CSAH 15
(44.02020, -91.61581) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.2123 		Other (At-Grade)
Single-Lane 		2012 Right-turn bypass lanes on west and east legs. ICD estimated from Google Maps linework.
Marion, IA
Linn Co.
United States 		Alburnett Rd / Tower Terrace
(42.05859, -91.61401) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
39.9034 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Coralville, IA
Johnson Co.
United States 		Commerce Dr. / Commercial Park
(41.69560, -91.61393) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.2389 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Coralville, IA
Johnson Co.
United States 		Oakdale Blvd. / Jones Blvd.
(41.70758, -91.61387) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.4483 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Coralville, IA
Johnson Co.
United States 		Heartland Dr. / Russell Dr.
(41.70007, -91.61160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.9113 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Coralville, IA
Johnson Co.
United States 		Holiday Rd. / Corridor Way
(41.69709, -91.60332) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.3202 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Marion, IA
Linn Co.
United States 		7th Ave. / 7th St.
(42.03326, -91.60272) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.0322 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Coralville, IA
Johnson Co.
United States 		University Ct / University Pkwy
(41.71383, -91.60093) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.5531 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Coralville, IA
Johnson Co.
United States 		Ridgeway Dr / University Ct
(41.71577, -91.59998) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.5520 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Marion, IA
Linn Co.
United States 		10th St. / 10th Ave. / Central Ave.
(42.03629, -91.59934) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021 https://www.cityofmarion.org/Home/Components/News/News/6547/
North Liberty, IA
Johnson Co.
United States 		N Front St. / Penn St.
(41.75206, -91.59801) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
2 Driveways
32.0763 		Other (At-Grade)
Single-Lane 		2019 Completed Fall 2019. ICD estimated from Google Maps linework.
North Liberty, IA
Johnson Co.
United States 		N Front St. / N Bend Dr.
(41.75695, -91.59798) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2199 		Other (At-Grade)
Single-Lane 		2019 Completed September 2019. The adjacent dead-end road to the west has been extended up to connect with Front Street at a 90-degree angle across from the existing commercial entrance drive on the east side of Front Street. In the NW quadrant of the roundabout, the farm field site has been redeveloped as a new elementary school. ICD estimated from Google Maps linework.
Iowa City, IA
Johnson Co.
United States 		Kennedy Pkwy. / Meadowlark Dr.
(41.66899, -91.59541) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.5492 		Other (At-Grade)
Single-Lane 		2006 In new residential development. Functional Class: Local ICD estimated from Google Maps linework.
Coralville, IA
Johnson Co.
United States 		12th Ave. / Forevergreen Rd.
(41.72284, -91.59520) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.9823 		Other (At-Grade)
Single-Lane 		2005 http://www.coralville.org/mod/press/documents/12th%20Ave%2011-18-05.pdf. Opened November 16, 2005. ICD estimated from Google Maps linework.
Marion, IA
Linn Co.
United States 		6th Ave. / 15th St.
(42.03243, -91.59397) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Marion, IA
Linn Co.
United States 		7th Ave. / (future road) / (future road)
(42.03286, -91.58364) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
44.3550 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 Elliptical shape. ICD estimated from Google Maps linework.
Coralville, IA
Johnson Co.
United States 		12th Av. / Holiday Rd.
(41.69491, -91.58287) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.4032 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2015 Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Marion, IA
Linn Co.
United States 		35th St. / Tower Terrace Rd.
(42.06130, -91.57655) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
31.9213 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Fourth leg is stubbed for future expansion. ICD estimated from Google Maps linework.
North Liberty, IA
Johnson Co.
United States 		North Liberty Rd. NE / Dubuque St. NE
(41.73359, -91.57568) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.7807 		Other (At-Grade)
Single-Lane 		2016 https://northlibertyiowa.org/2016/09/26/trail-closure-on-dubuque-street-trail-roundabout-nearing-completion/# ICD estimated from Google Maps linework.
Marion, IA
Linn Co.
United States 		29th Ave. / 35th St.
(42.05043, -91.57448) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
22.1714 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2016 Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Coralville, IA
Johnson Co.
United States 		N Liberty Rd. NE / Forevergreen Rd.
(41.72584, -91.57089) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.johnsoncountyiowa.gov/news/secondary-roads/2022-04-21/construction-north-liberty-and-forevergreen-roads-roundabout-begins