| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Caldwell,
                ID Canyon Co. United States  | 
            
                E Ustick Rd. / S Lake Ave. (43.63389, -116.65306)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2016 | Right-turn-only lanes on all legs. | 
| 
                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) Multilane (2 Lane, 2x1 max)  |   
            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 | 
| 
                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. | |
| 
                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). | 
| 
                Meridian,
                ID Ada Co. United States  | 
            
                S Vanguard Way / S Wayfinder Ave. / (parking) (43.59800, -116.43116)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 60.9600  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2017 | Right-turn-only lane on northeast leg. | 
| 
                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. | 
| 
                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). | 
| 
                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 | 
| 
                Post Falls,
                ID Kootenai Co. United States  | 
            
                W Prairie Ave. / Spokane St. (47.74500, -116.94847)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 48.7680  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2022 | https://www.postfalls.gov/city_info/Project%20Updates/PrairieSpokane1121.pdf | 
| 
                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) Multilane (2 Lane, 2x1 max)  |   
            2023 | Right-turn-only lanes on all four legs. https://www.youtube.com/watch?v=fkn3ynz3xrY&t=60s | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                S Midland Blvd. / Iowa Ave. (43.55439, -116.59279)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2024 | https://www.facebook.com/cityofnampa.us/posts/-exciting-safety-news-for-our-community-were-happy-to-announce-the-installation-/900763452095945/ | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                N Franklin Blvd. / E Karcher Rd. (43.60506, -116.55342)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)  | 
            
                4 Approaches 0 Driveways 54.8640  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2025 | https://www.facebook.com/cityofnampa.us/videos/now-open-the-intersection-of-franklin-blvd-karcher-rd-reopened-this-morning-to-v/1716080395969702/ | 
| 
                Idaho Falls,
                ID Bonneville Co. United States  | 
            
                E Lincoln Rd. / E Hitt Rd. (N 25th) (43.51143, -111.98410)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.8160  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2001 | Right-turn-only lane on west leg. Year Completed estimated (1992-2003). Converted from single-lane to multilane in 2018. 21442 | 
| 
                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). | 
| 
                Meridian,
                ID Ada Co. United States  | 
            
                E Victory Rd. / S Locust Grove Rd. (43.57574, -116.37461)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2023 | https://www.youtube.com/watch?v=ONrQ1FFqSR8. | 
| 
                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 | |
| 
                Rexburg,
                ID Madison Co. United States  | 
            
                2nd W. / 4th S. (43.81770, -111.78950)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.1941  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Meridian,
                ID Ada Co. United States  | 
            
                Pine St. / Webb Rd. (43.61220, -116.36840)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.9126  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | ICD estimated from Google Maps linework. | 
| 
                Boise,
                ID Ada Co. United States  | 
            
                Whitewater Park Blvd. / Stewart Ave. (43.62885, -116.23010)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.0373  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2013 | Opened October 2013. ICD estimated from Google Maps linework. | 
| 
                Chubbuck,
                ID Bannock Co. United States  | 
            
                N Hiline Rd. / Mallard St. (42.91435, -112.45179)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.2383  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2010 | Year Completed estimated (2009-2011). ICD estimated from Google Maps linework. | 
| 
                Pocatello,
                ID Bannock Co. United States  | 
            
                Hurley Dr. / Pole Line Rd. (42.90782, -112.46041)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1149  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Coeur d'Alene,
                ID Kootenai Co. United States  | 
            
                W Seltice Way / N Atlas Rd. (47.70063, -116.82790)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 46.6197  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Coeur d'Alene,
                ID Kootenai Co. United States  | 
            
                W Seltice Way / N Grand Mill Ln. / W Idlewild Loop (47.70250, -116.83920)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 36.9729  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Idaho Falls,
                ID Bonneville Co. United States  | 
            
                 E Lincoln Rd. / Ammon Rd. (43.51133, -111.96428)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 40.7101  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Boise,
                ID Ada Co. United States  | 
            
                E Parkcenter Blvd. / E Warm Springs Ave. (43.57647, -116.13975)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 41.5314  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Lewiston,
                ID Nez Perce Co. United States  | 
            
                Snake River Ave. / Southway Ave. (46.40090, -117.03531)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 35.4156  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2013 | https://www.facebook.com/LewistonPublicWorks/posts/street-work-for-the-roundabout-at-southway-avenue-and-snake-river-avenue-schedul/614436265234323/ ICD estimated from Google Maps linework. | 
| 
                Middleton,
                ID Canyon Co. United States  | 
            
                Emmett Rd. / Willis Rd. (43.72082, -116.65264)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.8843  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2011 | Year Completed estimated (2010-2011). ICD estimated from Google Maps linework. | 
| 
                Middleton,
                ID Canyon Co. United States  | 
            
                Emmett Rd. / 9th St. (43.71535, -116.65284)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.4355  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2011 | Year Completed estimated (2010-2011). ICD estimated from Google Maps linework. | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                N Happy Valley Rd. / E Victory Rd. (43.57444, -116.51303)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2021 | Intersection moved 0.1 mile south due to airport. https://www.idahopress.com/news/local/1903-wright-flyer-sculpture-featured-at-new-roundabout-near-nampa-airport/article_a2bb7a2a-7fdf-5110-b36f-8657c33dda60.html | 
| 
                Tamarack Resort,
                ID Valley Co. United States  | 
            
                Village Dr. / Whitewater Dr. (44.67280, -116.11770)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.8771  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | None. ICD estimated from Google Maps linework. | 
| 
                Coeur dAlene,
                ID Kootenai Co. United States  | 
            
                4th St. / Margaret Ave. (47.71537, -116.77880)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.1602  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Near high school. ICD estimated from Google Maps linework. | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                Happy Valley Rd. / Amity Ave. (43.56146, -116.51290)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 43.2726  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Designed for ultimate two-lane w/ 180-ft ICD. Current 160-ft single-lane is initial build. Previously controlled by 4-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Tamarack Resort,
                ID Valley Co. United States  | 
            
                West Mountain Rd. / Village Dr. (44.66998, -116.11130)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 39.9203  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Boise,
                ID Ada Co. United States  | 
            
                S. Touchmark Way / E. Louise Dr. (43.60317, -116.34880)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 29.4050  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Boise,
                ID Ada Co. United States  | 
            
                S. Touchmark Way / S. Worth Way (43.60206, -116.34610)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 30.2704  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Dalton Gardens,
                ID Kootenai Co. United States  | 
            
                4th St. / Hanley Ave. (47.72981, -116.77610)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Active Pedestrian Warning (flashing yellow)  | 
            
                4 Approaches 0 Driveways 32.1335  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | ICD estimated from Google Maps linework. | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                Happy Valley Rd. / Greenhurst Rd. (43.54679, -116.51290)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.1488  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Meridian,
                ID Ada Co. United States  | 
            
                Records Ave. / Elden Gray St. (43.62166, -116.34700)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.5835  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Meridian,
                ID Ada Co. United States  | 
            
                Kleiner Memorial Pkwy. / Kleiner Park Loop (43.62315, -116.34710)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.5827  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | ICD estimated from Google Maps linework. | 
| 
                Idaho Falls,
                ID Bonneville Co. United States  | 
            
                S Utah Ave. / Bridgeport Dr. (43.48859, -112.04979)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 47.6574  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Eagle Rock Fountain in center island. Roundabout was partially reconstructed with geometric improvements in 2014. Original construction was in 2002. ICD estimated from Google Maps linework. | 
| 
                Boise,
                ID Ada Co. United States  | 
            
                N 36th St. / W Hil Rd. / W Catalpa Dr. (43.65542, -116.23333)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                6 Approaches 0 Driveways 74.3128  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | Dogbone shape. ICD estimated from Google Maps linework. | 
| 
                Idaho Falls,
                ID Bonneville Co. United States  | 
            
                Bridgeport Dr. / River Walk Dr. (43.48855, -112.04801)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.4610  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Originally built without splitter islands. Splitter islands added to north and west legs in 2016. ICD estimated from Google Maps linework. | 
| 
                Kuna,
                ID Ada Co. United States  | 
            
                N Linder Ave. / W Main St. / E 3rd St. (43.49056, -116.41390)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.7271  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | ICD estimated from Google Maps linework. | 
| 
                Boise,
                ID Ada Co. United States  | 
            
                E Fort St. / E Reserve St. (43.61355, -116.19070)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 38.0470  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | ICD estimated from Google Maps linework. | 
| 
                Sandpoint,
                ID Bonner Co. United States  | 
            
                Schweitzer Cutoff Rd / N Boyer Ave (48.30915, -116.55190)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | |
| 
                Sandpoint,
                ID Bonner Co. United States  | 
            
                N Boyer Ave / Larch St (48.28018, -116.55663)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 34.9717  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Idaho Falls,
                ID Bonneville Co. United States  | 
            
                Memorial Dr. / Riverside Dr. / E St. (43.49716, -112.04057)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.5861  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | Right-turn-only lane on west leg. ICD estimated from Google Maps linework. | 
| 
                Rigby,
                ID Jefferson Co. United States  | 
            
                Farnsworth Way / Stockham Blvd. / (parking) (43.68099, -111.90760)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 44.1960  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Peanut shaped. Long dimension is 270 ft; nodal ICDs are ~145 ft and ~145 ft. | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                E Franklin Rd. / Star Rd. / N Robinson Rd. (43.60497, -116.49357)  | 
            
                Roundabout Removed  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 54.8640  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | Roundabout removed 2020 in conjunction with construction of Amazon center. Original roundabout completed 2012 and had right-turn-only lanes on north and south legs. | 
| 
                Meridian,
                ID Ada Co. United States  | 
            
                S Eagle Rd. / E Amity Rd. (43.56130, -116.35436)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.8160  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | Constructed initially as single-lane roundabout. Expanded in 2021-2022 to 2x2 with merging right-turn bypass lane on north leg. https://www.youtube.com/watch?v=mKWTT7Upuss | 
| 
                Boise,
                ID Ada Co. United States  | 
            
                E Parkcenter Blvd. / S Wise Way (43.57577, -116.13773)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.6879  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | ICD estimated from Google Maps linework. | 
| 
                Boise,
                ID Ada Co. United States  | 
            
                E Parkcenter Blvd. / Old Hickory Way (43.57434, -116.13364)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.4191  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | ICD estimated from Google Maps linework. | 
| 
                Boise,
                ID Ada Co. United States  | 
            
                E Parkcenter Blvd. / S Shadywood Way (43.57291, -116.12957)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2017-2018). | 
| 
                Coeur d'Alene,
                ID Kootenai Co. United States  | 
            
                River Ave. / Hubbard Ave. (47.67905, -116.79469)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 29.7525  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | One of three roundabouts in North Idaho College Education Corridor. ICD estimated from Google Maps linework. | 
| 
                Coeur d'Alene,
                ID Kootenai Co. United States  | 
            
                College Dr. / W River Ave. (47.67912, -116.79816)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.5566  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | One of three roundabouts in North Idaho College Education Corridor. ICD estimated from Google Maps linework. | 
| 
                Coeur d'Alene,
                ID Kootenai Co. United States  | 
            
                College Dr. / Hubbard Ave. (47.68015, -116.79538)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.7519  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | One of three roundabouts in North Idaho College Education Corridor. Year Completed estimated (2011-2013). ICD estimated from Google Maps linework. | 
| 
                Caldwell,
                ID Canyon Co. United States  | 
            
                E Ustick Rd. / Indiana Ave. (43.63363, -116.67304)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.3055  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | date: https://caldwellguardian.blogspot.com/2013/08/new-roundabout-at-ustick-and-indiana.html ICD estimated from Google Maps linework. | 
| 
                Twin Falls,
                ID Twin Falls Co. United States  | 
            
                Fillmore St. / Nielsen Point Pl. (42.59707, -114.45643)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 43.0800  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Year Completed estimated (2012-2013). ICD estimated from Google Maps linework. | 
| 
                Idaho Falls,
                ID Bonneville Co. United States  | 
            
                S Boulevard / N Corner Ave. / Elm St. (43.48859, -112.03375)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 2 Driveways 32.9270  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Fourth leg is departure only. ICD estimated from Google Maps linework. | 
| 
                Idaho Falls,
                ID Bonneville Co. United States  | 
            
                Carriagegate Ln. / Nottingham Ln. (43.46096, -112.04641)  | 
            
                Other Existing  | 
            
                Uncontrolled None  | 
            
                4 Approaches 0 Driveways 25.1400  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | No traffic control. ICD estimated from Google Maps linework. | 
| 
                Chubbuck,
                ID Bannock Co. United States  | 
            
                E Chubbuck Rd. / Sacajawea Dr. (42.92042, -112.44502)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 33.2351  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Boise,
                ID Ada Co. United States  | 
            
                Fort St. / Robbins Rd. / N 3rd St. (43.61644, -116.19328)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.8572  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | https://www.cityofboise.org/departments/planning-and-development-services/robbins-roundabout/ ICD estimated from Google Maps linework. | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                E Amity Rd. / S Robinson Blvd. (43.56137, -116.49376)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.5418  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | Completed in May 2019. Initial build is 160' ICD, expandible outward to 2x1 (160'x180') in the future. ICD estimated from Google Maps linework. | 
| 
                Moscow,
                ID Latah Co. United States  | 
            
                E White Ave. / Joseph St. / Robinson Park Rd. / Notting Hill Dr. (46.72564, -116.96826)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.5668  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Year Completed estimated (2006-2007). ICD estimated from Google Maps linework. | 
| 
                Coeur d'Alene,
                ID Kootenai Co. United States  | 
            
                W Hanley Ave. / N Cornwall St. (47.73014, -116.82652)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.1333  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Year Completed estimated (2005-2006). ICD estimated from Google Maps linework. | 
| 
                Coeur D'Alene,
                ID Kootenai Co. United States  | 
            
                W Hanley Ave. / N Courcelles Pkwy. (47.73020, -116.81799)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.9366  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Year Completed estimated (1998-2004). ICD estimated from Google Maps linework. | 
| 
                Coeur d'Alene,
                ID Kootenai Co. United States  | 
            
                W Princetown Ln. / Talon Ln. / W Newbrook Dr. (47.74090, -116.83576)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.5520  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Year Completed estimated (1998-2004). ICD estimated from Google Maps linework. | 
| 
                Post Falls,
                ID Kootenai Co. United States  | 
            
                E Poleline Ave. / N Syringa St. (47.73046, -116.92663)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.9697  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Year Completed estimated (2006-2009). ICD estimated from Google Maps linework. | 
| 
                Post Falls,
                ID Kootenai Co. United States  | 
            
                N Syringa St. / Bogie Dr. (47.73373, -116.92700)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.5573  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Year Completed estimated (2006-2009). ICD estimated from Google Maps linework. | 
| 
                Post Falls,
                ID Kootenai Co. United States  | 
            
                Poleline Ave. / N Spokane St. (47.73053, -116.94794)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.3464  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | Year Completed estimated (2009-2011). ICD estimated from Google Maps linework. | 
| 
                Post Falls,
                ID Kootenai Co. United States  | 
            
                E Poleline Ave. / N Idaho St. (47.73053, -116.93738)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 17.6732  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | Year Completed estimated (2011-2013). ICD estimated from Google Maps linework. | 
| 
                Caldwell,
                ID Canyon Co. United States  | 
            
                S Indiana Ave. / Homedale Rd. (43.61892, -116.67299)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | |
| 
                Lewiston Orchards,
                ID Nez Perce Co. United States  | 
            
                Powers Ave. / Thain Rd. / 14th St. (46.36927, -116.96010)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 14.8337  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | Opened November 3, 2017. https://lmtribune.com/northwest/roundabout-draws-a-yellow-flag/article_137af938-33cf-51a8-b75e-5c38559e8800.html ICD estimated from Google Maps linework. | 
| 
                Nampa,
                ID Canyon Co. United States  | 
            
                Robinson Rd. / E Victory Rd. (43.57596, -116.49388)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2018-2019). | 
| 
                Post Falls,
                ID Kootenai Co. United States  | 
            
                N Charleville Rd. / E Hope Ave. (47.73763, -116.90082)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | Year Completed estimated (2015-2016). | 
| 
                Post Falls,
                ID Kootenai Co. United States  | 
            
                W Prairie Ave. / N Chase Rd. (47.74515, -116.95907)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | |
| 
                Post Falls,
                ID Kootenai Co. United States  | 
            
                W Prairie Ave. / N McGuire Rd. (47.74518, -116.98054)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | |
| 
                Hayden,
                ID Kootenai Co. United States  | 
            
                N Courcelles Pkwy. / N Chateaux Dr. (47.74785, -116.82456)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | |
| 
                Rathdrum,
                ID Kootenai Co. United States  | 
            
                W Majestic Ave. / Thayer St. (47.79216, -116.87749)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.1480  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Year Completed estimated (2005-2006). | 
| 
                Franklin,
                ID Franklin Co. United States  | 
            
                Legacy Dr. / South Canyon Dr. (42.00604, -111.80863)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Year Completed estimated (2006-2009). | 
| 
                Eagle,
                ID Ada Co. United States  | 
            
                N Fisher Park Way / (unknown) (43.69648, -116.39631)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Right-turn bypass lane on west leg. Year Completed estimated (2006-2009). | 
| 
                Idaho Falls,
                ID Bonneville Co. United States  | 
            
                E Iona Rd. / 25th E (43.52586, -111.98394)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.1000  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Year Completed estimated (2004-2006). | 
| 
                Meridian,
                ID Ada Co. United States  | 
            
                W McMillan Rd. / N Rustic Oak Way (43.64851, -116.46388)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | |
| 
                Hibbard,
                ID Madison Co. United States  | 
            
                N 2000 W (Whitson Rd.) / W 2000 N (43.85500, -111.81835)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            2019 | https://www.rexburgstandardjournal.com/rexburg/hibbard-roundabout-grand-opening/article_607eadde-e16d-5b1d-80a2-4986a48a2842.html | 
| 
                Idaho Falls,
                ID Bonneville Co. United States  | 
            
                1st St. / 45th St. E (Crowley Rd.) (43.49621, -111.94440)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 54.8637  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | Designed to be expandable inward to dual lanes in the future. | 
| 
                Ammon,
                ID Bonneville Co. United States  | 
            
                E Lincoln Rd. / N 45th E (Crowley Rd.) (43.51059, -111.94433)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.6720  | 
            
                Other (At-Grade) Single-Lane  |   
            2020 | https://www.eastidahonews.com/2020/09/major-intersection-to-close-next-week-for-roundabout-construction/ | 
| 
                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). | 
| 
                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/ | 
| 
                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. | 
| 
                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 | |
| 
                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/ | 
| 
                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/ | 
| 
                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. | 
| 
                (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  | 
            
                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). | 
| 
                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 |