City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
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. / 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. |
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. |
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. |
Post Falls,
ID Kootenai Co. United States |
W Prairie Ave. / Zorros Rd. (47.74482, -116.88889) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2023 | https://cdapress.com/news/2023/oct/31/prairie-avenue-highway-41-re-opens/ |
Lewiston,
ID Nez Perce Co. United States |
Burrell Ave. / 10th St. (46.37674, -116.98085) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.2880 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2023 | https://www.bigcountrynewsconnection.com/idaho/roundabout-at-intersection-of-10th-and-burrell-in-lewiston-open-ahead-of-schedule/article_0bb0faba-e2d5-11ed-94af-bbe6e3f10fea.html |
Rexburg,
ID Madison Co. United States |
W 7th S / Pioneer Rd. (43.81168, -111.80413) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2022 | https://www.rexburgstandardjournal.com/rexburg/ice-cream-and-construction-cones-g-s-dairy-delights-feeling-the-squeeze-as-roundabout-construction/article_0e539cfa-4d2b-54dc-b2aa-811a7e428074.html |
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 |
Kuna,
ID Ada Co. United States |
Hickory Valley Rd. / Courage Ave. (43.49807, -116.32973) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2022 | |
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 | |
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. |
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/ |
Post Falls,
ID Kootenai Co. United States |
W Prairie Ave. / Fennecus Rd. (47.74478, -116.88383) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2023 | South leg is gravel road. https://cdapress.com/news/2023/oct/31/prairie-avenue-highway-41-re-opens/ |
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. |