|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
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. |
|
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. |
|
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. |
|
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 |
|
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 |
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. |
|
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. |
|
(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). |
|
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. |
|
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 | |
|
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 | |
|
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 | |
|
Ammon,
ID Bonneville Co. United States |
Crowley Rd. / E 17th St. (43.48173, -111.94459) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 20.1168 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2019 | |
|
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 | |
|
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 | |
|
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 | |
|
Nampa,
ID Canyon Co. United States |
Airport Rd. / N Robinson Blvd. (43.58690, -116.49334) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2023 | |
|
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 | |
|
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 |