|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Meridian,
ID Ada Co. United States |
S Wayfinder Ave. / W Cobalt Dr. (43.60115, -116.42905) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2018 | Year Completed estimated (2017-2018). |
|
(unincorporated),
ID Kootenai Co. United States |
W Prairie Ave. / N Pleasant View Rd. (47.74537, -117.00199) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2021 | At-grade rail crossing approximately 200 ft to south of roundabout controlled by signals and gates. At-grade rail crossing (2 tracks) approximately 320 ft to west of roundabout that is yield controlled. Year Completed estimated (2020-2021). |
|
Meridian,
ID Ada Co. United States |
Victory Rd. / S Ten Mile Rd. (43.57570, -116.43378) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2022 | Right-turn-only lanes on all legs. |
|
Emmett,
ID Gem Co. United States |
E 4th St. / S Johns Ave. (43.87188, -116.49278) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.2880 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2021 | https://www.idahopress.com/emmett/news/new-roundabouts-may-require-some-pedestrian-and-driver-attention/article_17cceadd-1eb7-5959-8c8b-697d05289a4e.html |
|
Emmett,
ID Gem Co. United States |
E 12th St. / S Johns Ave. (43.86461, -116.49276) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.2880 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2021 | https://www.idahopress.com/emmett/news/new-roundabouts-may-require-some-pedestrian-and-driver-attention/article_17cceadd-1eb7-5959-8c8b-697d05289a4e.html |
|
Meridian,
ID Ada Co. United States |
E Lake Hazel Rd. / S Locust Grove Rd. (43.54644, -116.37449) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.2440 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Year Completed estimated (2021-2022). |
|
Hayden,
ID Kootenai Co. United States |
E Honeysuckle Ave. / 4th St. (47.75139, -116.77538) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2022 | https://cdapress.com/news/2022/jul/11/hayden-celebrates-first-roundabout/ |
|
Pocatello,
ID Bannock Co. United States |
Olympus Dr. / Northgate Pkwy. / E Siphon Dr. (42.92794, -112.42884) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2018 | Concentric striped circulatory roadway with dotted edge line around entire circumference. No splitter island on east leg. Year Completed estimated (2017-2019). |
|
Nampa,
ID Canyon Co. United States |
Ustick Rd. / Santa Ana Ave. (43.63404, -116.60317) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 44.1960 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Near two schools. |
|
Nampa,
ID Canyon Co. United States |
Star Rd. / Cherry Ln. (43.61969, -116.49366) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2021 | Merging right-turn bypass lanes on all legs. |
|
Idaho Falls,
ID Bonneville Co. United States |
W 65th S / S 45th W / I-15 NB Ramps (43.43835, -112.12018) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2022 | |
|
Idaho Falls,
ID Bonneville Co. United States |
W 65th W / Saint John Rd. / I-15 SB Ramps (43.43962, -112.12198) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2022 | |
|
Nampa,
ID Canyon Co. United States |
N Franklin Blvd. / Birch Ln. (43.61231, -116.55315) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2023 | https://twitter.com/NampaPIO/status/1654208519175045120 |
|
Nampa,
ID Canyon Co. United States |
E Victory Rd. / N Kings Rd. (43.57584, -116.53288) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2022 | https://twitter.com/NampaPIO/status/1606348916282101760 |
|
Middleton,
ID Canyon Co. United States |
Middleton Rd. / E Sawtooth Lake Dr. (43.69887, -116.61324) |
Roundabout Unknown |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2023 | Scheduled for completion August 2023. |
|
Middleton,
ID Canyon Co. United States |
N Middleton Rd. / E Main St. (Cornell St.) (43.70651, -116.61307) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.3360 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2021 | |
|
Meridian,
ID Ada Co. United States |
S Eagle Rd. / E Zaldia Dr. / E Zaldia St. (43.56661, -116.35440) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2021 | Year Completed estimated (2021-2022). |
|
Meridian,
ID Ada Co. United States |
E Wrightwood Dr. / S Luminous Ave. / E Crest Ridge Dr. (43.56552, -116.37989) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2014 | Year Completed estimated (2013-2014). |
|
Chubbuck,
ID Bannock Co. United States |
Mesquite Dr. / Parklawn Dr. / (parking) (42.92905, -112.46794) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2008 | Year Completed estimated (2006-2009). |
|
Post Falls,
ID Kootenai Co. United States |
E Hope Ave. / N Damascus Rd. (47.73751, -116.88406) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2019 | North leg stubbed. Year Completed estimated (2018-2020). |
|
Post Falls,
ID Kootenai Co. United States |
E Poleline Ave. / N Cecil Rd. (47.73044, -116.90517) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | https://www.postfalls.gov/poleline-cecil-project/ |
|
Middleton,
ID Canyon Co. United States |
W Highlands Pkwy. / 9th St. (43.71596, -116.64096) |
Other Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2016 | No splitter island on side street. |
|
Middleton,
ID Canyon Co. United States |
W Highlands Pkwy. / Stallion Springs Way (43.71894, -116.63822) |
Other Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 32.0037 |
Other (At-Grade) Single-Lane |
2008 | No splitter islands on side street. Year Completed estimated (2007-2009). |
|
Middleton,
ID Canyon Co. United States |
W Highlands Ranch Pkwy. / W Ayrshire St. (43.72271, -116.64060) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands on side street. Pedestrian crossings within circulatory roadway. | |
|
Middleton,
ID Canyon Co. United States |
W Highlands Ranch Pkwy. / N Sombrero Ave. (43.72247, -116.64464) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter island on side street. Unmarked pedestrian crossings within or adjacent to circulatory roadway. | |
|
Middleton,
ID Canyon Co. United States |
W Highland Ranch Pkwy. / N Branding Iron Ave. / W Blue Lightning St. (43.72344, -116.65073) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands on side street. Pedestrian crossings within or adjacent to circulatory roadway. | |
|
Caldwell,
ID Canyon Co. United States |
Ustick Rd. / Middleton Rd. (43.63411, -116.61313) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2023 | Right-turn-only lanes on all four legs. https://www.youtube.com/watch?v=fkn3ynz3xrY&t=60s |
|
Caldwell,
ID Canyon Co. United States |
E Ustick Rd. / S Florida Ave. (43.63368, -116.66307) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2023 | Right-turn-only lanes on all four legs. https://www.youtube.com/watch?v=JWNlWwth3l8. |
|
Rathdrum,
ID Kootenai Co. United States |
N Meyer Rd. / W Boekel Rd. (47.80285, -116.87229) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2024 | |
|
Cascade,
ID Valley Co. United States |
Discovery Dr. / Village Dr. / Arling Center Ct. / (parking) (44.66944, -116.12408) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2005 | Racetrack shaped. ICD = 150 ft x 120 ft. |
|
Meridian,
ID Ada Co. United States |
W Amity Rd. / S Ten Mile Rd. (43.56108, -116.43378) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2021 | Right-turn-only lanes on all legs. https://www.achdidaho.org/Projects/proj_intersection_ten-mile-road-and-amity-road-roundabout.aspx |
|
Hayden,
ID Kootenai Co. United States |
ID 53 / Government Way / Pope Rd. (47.81844, -116.78608) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2020 | https://itd.idaho.gov/news/new-interchange-at-us-95-and-idaho-highway-53-now-open/ |
|
Nampa,
ID Canyon Co. United States |
Ustick Rd. / Midland Blvd. (43.63407, -116.59321) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2021 | Right-turn-only lanes with merging receiving lanes on all legs, resulting in multilane pedestrian crossings on all entries and exits. https://www.idahopress.com/news/local/why-nampa-is-planning-to-redesign-more-than-a-dozen-intersections/article_ea1018cf-8754-50b6-a443-bd2a4f5ecdcb.html |
|
Post Falls,
ID Kootenai Co. United States |
W Prairie Ave. / N Idaho St. (47.74509, -116.93746) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | At-grade rail crossing approximately 350 feet to west. |
|
Athol,
ID Kootenai Co. United States |
SR 54 / N Good Hope Rd. / N Perimeter Rd. (47.94732, -116.61237) |
Rotary Existing |
Other None |
4 Approaches 0 Driveways 126.4920 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
Yield signs on circulatory roadway. Elliptical shaped. ICD = 415 ft x 370 ft. | |
|
Chubbuck,
ID Bannock Co. United States |
Chubbuck Rd. / Philbin Rd. (42.92054, -112.49601) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | https://localnews8.com/news/idaho/2022/04/11/philbin-chubbuck-road-intersection-to-close-for-roundabout-installation/ |
|
Moscow,
ID Latah Co. United States |
S Mountain View Rd. / E 6th St. (46.73023, -116.98020) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2022 | |
|
Eagle,
ID Ada Co. United States |
E Colchester Dr. / E Eagles Gate Dr. (43.66859, -116.35005) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2014 | Year Completed estimated (2013-2014). |
|
Eagle,
ID Ada Co. United States |
E Colchester Dr. / E Fishing Creek Dr. / S Cliff Brook Ln. (43.66616, -116.34462) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2018 | Year Completed estimated (2017-2018). |
|
Nazca,
Ica Province of Nasca Peru |
Panamericana S / Jirón Lima / Jirón Callao (-14.82852, -74.94369) |
Unknown Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Unknown |
||
|
Ica,
Ica Province of Ica Peru |
Ovalo Ayabaca (-14.07205, -75.73834) |
Other Existing |
Uncontrolled Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Pedestrian access to central island.. | |
|
Ica,
Ica Province of Ica Peru |
Panamericana S / Av. Jose Matias Manzanilla (-14.06654, -75.74013) |
Other Existing |
Uncontrolled Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
||
|
Chincha Alta,
Ica Province of Chincha Peru |
Plazuela Bolognesi (-13.41677, -76.13774) |
Other Existing |
Uncontrolled Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Unknown |
||
|
Chincha Alta,
Ica Province of Chincha Peru |
Víctor Andrés Belaunde / Calle Pedro Moreno (-13.41504, -76.13252) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Unknown |
Parking along circulatory roadway. | |
|
Hitachi City,
Ibaraki Pref. Japan |
Pref Hwy 290 at JR Hitachi-Taga Station (36.55264, 140.63177) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
|
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). |
|
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 | |
|
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 | |
|
Dubuque,
IA Dubuque Co. United States |
US 52 (SW Arterial - Seippel Rd.) / Chesterfield Dr. / US 20 EB ramps (42.47403, -90.75987) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2020 | https://www.telegraphherald.com/news/tri-state/article_25dde05e-920f-5330-8d6f-356d16812f2d.html |
|
Coralville,
IA Johnson Co. United States |
E 9th St. / E 2nd Ave. (41.68169, -91.56306) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2020 | https://www.coralville.org/887/E-9th-Street |
|
Council Bluffs,
IA Pottawattamie Co. United States |
Greenview Rd. / Eastern Hills Dr. / State Orchard Rd. (41.23982, -95.78866) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2020 | https://www.wowt.com/video/2020/10/01/eastern-hills-drive-project-finally-finished-council-bluffs-pm/ |
|
Dyersville,
IA Delaware Co. United States |
CR X49 (332nd Ave.) / W 1st Ave. / 210th St. (42.48441, -91.14450) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2020 | https://www.dyersvillecommercial.com/news/new-roundabout-officially-open/image_90cf973c-23eb-59eb-9a68-62a9bf4de883.html |
|
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/ |
|
Muscatine,
IA Muscatine Co. United States |
Mulberry Ave. / 2nd St. (41.42371, -91.04141) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2020 | https://www.youtube.com/watch?v=nyJfLuvBF_A |
|
Holy Cross,
IA Dubuque Co. United States |
US 52 / Holy Cross Rd. (42.59513, -90.98652) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2019 | https://www.dyersvillecommercial.com/news/roundabout-completed-outside-of-holy-cross/image_abf4ba03-bd15-5801-928e-39c6e5ff2bfb.html |
|
Johnston,
IA Polk Co. United States |
NW 70th Ave. / Peckham St. (41.68821, -93.74458) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2019 | Year Completed estimated (2018-2019). |
|
Cedar Falls,
IA Black Hawk Co. United States |
University Ave. / Greenhill Rd. (42.50253, -92.47488) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.9817 |
Other (At-Grade) Single-Lane |
2017 | http://www.cedarfalls.com/CivicAlerts.aspx?AID=922&ARC=2213 ICD estimated from Google Maps linework. |
|
Iowa City,
IA Johnson Co. United States |
Sycamore St. / Lehman Ave. (41.62058, -91.51211) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2015 | Year Completed estimated (2014-2016). |
|
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/ |
|
Burlington,
IA Des Moines Co. United States |
West Ave. / W Burlington Ave. (40.80061, -91.15269) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 37.0678 |
Other (At-Grade) Single-Lane |
2017 | Merging right-turn bypass lane on east leg. 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. |
|
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. |
|
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. |
|
Dubuque,
IA Dubuque Co. United States |
N Grandview Ave. / University Ave. (42.49832, -90.68817) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 29.9396 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
|
Dubuque,
IA Dubuque Co. United States |
N Grandview Ave. / Delhi St. / Grace St. (42.49682, -90.68791) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways 20.2537 |
Other (At-Grade) Single-Lane |
2016 | 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. |
|
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. |
|
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. |
|
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. |
|
Fort Dodge,
IA Webster Co. United States |
1st Ave. S / 2nd Ave. S / 6th St. (42.50361, -94.18974) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.7420 |
Other (At-Grade) Single-Lane |
2015 | https://www.messengernews.net/progress-2017/progress-2017-business/2017/02/crosstown-connector-completed/ ICD estimated from Google Maps linework. |
|
Fort Dodge,
IA Webster Co. United States |
1st Ave. S / S 12th St. (42.50480, -94.18270) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.5340 |
Other (At-Grade) Single-Lane |
2016 | https://www.messengernews.net/progress-2017/progress-2017-business/2017/02/crosstown-connector-completed/ ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Black Hawk Co. United States |
University Ave. / Waterloo Rd. (42.51304, -92.42713) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.8558 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Black Hawk Co. United States |
University Ave. / Holiday Rd. (42.51304, -92.43342) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.7362 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Black Hawk Co. United States |
University Ave. / Boulder Dr. (42.51312, -92.43821) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 48.4202 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Black Hawk Co. United States |
University Ave. / SR 27-SR 58 SB Ramps (42.51311, -92.44391) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.8558 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2018 | Raindrop shape. http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Black Hawk Co. United States |
University Ave. / SR 27-SR 58 NB Ramps (42.51311, -92.44268) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 48.4202 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2018 | Raindrop shape. http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Black Hawk Co. United States |
University Ave. / Cedar Heights Dr. (42.50672, -92.41123) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.0987 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2018 | http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework. |
|
Cedar Falls,
IA Black Hawk Co. United States |
Prairie Pkwy. / Prairie View Rd. (42.49038, -92.43412) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.7219 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2013 | Year Completed estimated (2011-2015). Fist completed only with north and south legs, then east and west legs added 2015-2016. ICD estimated from Google Maps linework. |
|
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. |
|
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 |
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. |
|
Coralville,
IA Johnson Co. United States |
E 7th St. / E 2nd Ave. (41.67892, -91.56378) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.7092 |
Other (At-Grade) Single-Lane |
2019 | Opened to traffic August 2019. East leg will re-open October 2019; north leg open to traffic summer 2020. 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. |
|
Pleasant Hill,
IA Polk Co. United States |
NE Rising Sun Dr. / NE 70 St. (41.59524, -93.46732) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.8341 |
Other (At-Grade) Single-Lane |
2019 | https://www.pleasanthilliowa.org/projects ICD estimated from Google Maps linework. |
|
Altoona,
IA Polk Co. United States |
Adventureland Dr. / 34th Ave. SW (41.65855, -93.50315) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.2615 |
Other (At-Grade) Unknown |
2018 | ICD estimated from Google Maps linework. |
|
Altoona,
IA Polk Co. United States |
NW Tallgrass Pkwy. / Prairie Fire NW (41.65368, -93.50710) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.3407 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
|
Ames,
IA Story Co. United States |
University Blvd. / Airport Rd. / Oakwood Rd. (41.99735, -93.63922) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.3798 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2016 | Free-flow right-turn bypass lane on east leg. ICD estimated from Google Maps linework. |
|
Ames,
IA Story Co. United States |
University Blvd. (530th Ave.) / Cottonwood Rd. (41.99366, -93.63921) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 37.2812 |
Other (At-Grade) Single-Lane |
2016 | ICD estimated from Google Maps linework. |
|
Ames,
IA Story Co. United States |
University Blvd. (530th Ave.) / Collaboration Pl. (41.99049, -93.63918) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 36.3954 |
Other (At-Grade) Single-Lane |
2016 | ICD estimated from Google Maps linework. |
|
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. |
|
Grimes,
IA Polk Co. United States |
NE Beaverbrooke Blvd. / NE Heritage Dr. (41.70101, -93.78190) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 57.0699 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | Year Completed estimated (2016-2017). ICD estimated from Google Maps linework. |
|
Grimes,
IA Polk Co. United States |
NE Beaverbrooke Blvd. / NE Park Dr. / NE Park St. (41.70201, -93.78755) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.0184 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | Year Completed estimated (2016-2017). ICD estimated from Google Maps linework. |
|
Johnston,
IA Polk Co. United States |
NW 70th Ave. / NW 107th St. (NE Edgewood Dr.) (41.68834, -93.76342) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.2433 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2016 | ICD estimated from Google Maps linework. |
|
Johnston,
IA Polk Co. United States |
NW 70th Ave. / NW 100th St. (41.68834, -93.75589) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.8109 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | Year Completed estimated (2016-2017). ICD estimated from Google Maps linework. |
|
Johnston,
IA Polk Co. United States |
NW 100 St. / NW 68th Ave. (41.68333, -93.75594) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5705 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | Year Completed estimated (2016-2017). ICD estimated from Google Maps linework. |
|
Johnston,
IA Polk Co. United States |
NW 100th St. / Ashton Dr. (41.67978, -93.75594) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5725 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | ICD estimated from Google Maps linework. |
|
Johnston,
IA Polk Co. United States |
NW 100th St. / Newport Vista Dr. (41.67795, -93.75591) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.6815 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | 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). |
|
Muscatine,
IA Muscatine Co. United States |
Cedar St. / Logan St. (41.43575, -91.06473) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.7570 |
Other (At-Grade) Single-Lane |
2015 | Year Completed estimated (2014-2016). ICD estimated from Google Maps linework. |