Interstate 84 in Idaho

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This article is about the section of Interstate 84 in Idaho. For the entire length of the highway, see Interstate 84 (Oregon–Utah).

Interstate 84 marker

Interstate 84
Route information
Maintained by ITD
Length: 275.650 mi[1] (443.616 km)
Major junctions
West end: I-84 at Oregon state line
  I‑184 in Boise
I‑86 near Declo
East end: I‑84 at Utah state line
Highway system

State Highways in Idaho

SH-81 I‑86

Interstate 84 (I-84) in the U.S. state of Idaho, also known as The Vietnam Veterans Memorial Highway,[2] heads southeast from the Oregon state line. It connects via I-184 to Boise. Eventually, I-84 connects to Interstate 86, and mainline I-84 heads southeast towards Utah. I-86 continues due east and heads to Pocatello, meeting with I-15.

Route description[edit]

Interstate 84 enters Idaho after crossing the Snake River. The highway proceeds southeast, passing the community of Fruitland, and reaching an interchange with U.S. Route 95. The roadway proceeds southward, reaching interchanges with U.S. Route 30 and Old U.S. Route 30 as well as passing numerous small buildings. The road continues southeast, traveling parallel to Old U.S. Route 30, reaching an interchange with Idaho State Highway 44. The roadway proceeds, interchanging with U.S. Route 20/U.S. Route 26, which continue concurrently with the highway. Interstate 84 Business splits off the highway in Caldwell, while I-84 interchanges with 10th Avenue before U.S. route 20/26 split off the roadway. The highway continues southeast through Caldwell, interchanging with several small roads, before bending east, and entering Nampa. I-84 Business returns to the parent route within the city. The highway continues through Meridian, reaching interchanges with several small roads. The roadway enters Boise, and reaches an interchange with Interstate 184, its auxiliary route. The highway turns southeast, passing Boise Airport, and interchanges with several roads, before reaching an interchange with U.S. routes 20 and 26, which continue concurrently with I-84. The road proceeds southeast, out of Boise, and enters rural area. The highway interchanges with a few small roads, before bypassing Mountain Home, where Interstate 84 business splits off and enters the community.

After bypassing Mountain Home, I-84 business reenters the highway, which proceeds eastward, traveling parallel to the Snake River, before bypassing Glenns Ferry. The highway continues east, traveling parallel to the Snake, interchanging repeatedly with Old U.S. Route 30, before bypassing the community of Bliss. The highway bends southeast, continuing, and passing through Malad Gorge State Park. The roadway continues southeast, bypassing the community of Wendell, The highway continues east, before turning southeast, and bypassing the community of Jerome. It continues to an interchange with U.S. Route 93, before returning to running parallel to the Snake River. The road proceeds east, passing the Hazelton Municipal Airport, and interchanging with several small roads. The road continues, passing north of the community of Burley, and proceeding east. The highway proceeds eastward, before reaching an interchange with Interstate 86, and turning southeast. The road proceeds southeast, traveling parallel to Idaho State Highway 81 for a short distance. The highway enters mountainous area, and bends slightly east and west several times. After exiting the mountainous region, the highway proceeds southeast to the Idaho–Utah state line, where it continues into Utah.[3]

Future[edit]

(As of June 2008) The current pavement starting from the Broadway Interchange in Boise to just before the Cole and Overland Interchange is the original pavement built almost 40 years ago. The Idaho Transportation Department is planning to add a third and fourth lane in that area and repave the bumpy road. In the area between the Meridian Interchange and the Garrity Interchange they are currently creating a third lane due to the heavy traffic in that area. The lanes are now open between Broadway (Exit 54) and the Nampa area (Exit 38). ITD Plans to continue the lanes until about the Caldwell area.

Exit list[edit]

County Location Mile[1] km Exit Destinations Notes
Payette   0.000 0.000 I-84 west Continuation into Oregon
  2.876 4.628 3 US-95 – Parma, Fruitland, Payette
  9.498 15.286 9 US-30 west – Emmett, New Plymouth West end of US-30 overlap
  12.906 20.770 13 Black Canyon Junction
Canyon   17.335 27.898 17 Sand Hollow
  24.839 39.974 25 SH-44 – Middleton
  25.994 41.833 26 US-20 west / US-26 west – Parma, Notus West end of US-20/US-26 overlap
Caldwell 26.723 43.006 27 I‑84 Bus. east to SH-19 – Caldwell, Wilder, Homedale
27.620 44.450 28 10th Avenue – Caldwell City Center
28.650 46.108 29 US-20 east / US-26 east (Franklin Road) East end of US-20/US-26 overlap
Nampa 33.539 53.976 33 SH-55 south / Midland Boulevard – Nampa, Marsing West end of SH-55 overlap; signed as exits 33A (SH-55) and 33B (Midland Boulevard) westbound
34.965 56.271 35 Northside Boulevard
35.985 57.912 36 Franklin Boulevard
37.945 61.067 38 I‑84 Bus. west (Garrity Boulevard) – Nampa, Murphy
Ada Meridian 42.000 67.592 42 Ten Mile Road
44.007 70.822 44 SH-69 – Meridian, Kuna
45.998 74.027 46 SH-55 north – McCall, Eagle East end of SH-55 overlap
Boise 49.307 79.352 49 I‑184 east / Franklin Road – Boise City Center
50.140 80.693 50 Overland Road, Cole Road Signed as exits 50A (West Overland Road) and 50B (Cole Road/Overland Road) eastbound, and 50A (Cole Road/Overland Road) and 50B (East Overland Road) westbound
51.997 83.681 52 Orchard Street
53.483 86.073 53 Vista Avenue – Boise Airport
54.485 87.685 54 US-20 west / US-26 west (Broadway Avenue) – Boise City Center West end of US-20/US-26 overlap
56.932 91.623 57 SH-21 (Gowen Road) – Idaho City
  59.510 95.772 59 South Eisenman Road Interchange Signed as exits 59A (South Eisenman IC) and 59B (Memory Road) eastbound
  63.517 102.221 64 Blacks Creek Road – Kuna
  70.772 113.896 71 Orchard, Mayfield
Elmore   74.333 119.627 74 Simco Road
  90.280 145.292 90 I‑84 Bus. east to SH-51 / SH-67 – Mountain Home, Bruneau
Mountain Home 95.193 153.198 95 US-20 east – Fairfield, Mountain Home, Sun Valley East end of US-20 overlap
  99.570 160.242 99 I‑84 Bus. west (Bennett Road, Old Oregon Trail Road) to SH-51 / SH-67 – Mountain Home
  111.800 179.925 112 I‑84 Bus. east to SH-78 – Hammett
  113.856 183.233 114 I‑84 Bus. west to SH-78 / Cold Springs Road – Hammett Westbound exit and eastbound entrance
  120.149 193.361 120 I‑84 Bus. east – Glenns Ferry Eastbound exit and westbound entrance
  121.094 194.882 121 I‑84 Bus. west – King Hill, Glenns Ferry
  125.159 201.424 125 Paradise Valley
  128.993 207.594 129 King Hill
Gooding   137.060 220.577 137 I‑84 Bus. east / US-30 east / Pioneer Road – Buhl, Bliss East end of US-30 overlap
  140.405 225.960 141 I‑84 Bus. west / US-26 east to US-30 – Gooding, Hagerman, Bliss East end of US-26 overlap
  146.870 236.364 147 Tuttle
  155.260 249.867 155 To SH-46 – Wendell, Hagerman
  156.581 251.993 157 SH-46 – Gooding, Wendell
Jerome   165.160 265.799 165 SH-25 – Jerome
  168.010 270.386 168 SH-79 – Jerome
  173.013 278.437 173 US-93 – Wells, Sun Valley, Twin Falls
  181.930 292.788 182 SH-50 – Kimberly, Eden, Twin Falls
  188.301 303.041 188 Valley Road – Hazelton, Eden
  193.525 311.448 194 SH-25 west (Ridgeway Road) – Hazleton West end of SH-25 overlap
JeromeMinidoka county line   200.536 322.731 201 SH-25 east / Kasota Road – Paul East end of SH-25 overlap
Minidoka   208.015 334.768 208 I‑84 Bus. east / SH-27 – Paul, Burley
  210.591 338.913 211 I‑84 Bus. west / US-30 west / SH-24 – Burley, Heyburn, Rupert West end of US-30 overlap
Cassia   216.395 348.254 216 SH-25 / SH-77 – Albion, Rupert, Declo
  221.880 357.081 222 I‑86 east / US-30 east to I‑15 – Pocatello East end of US-30 overlap; former I-15W east
  227.950 366.850 228 To SH-81 / Yale Road – Malta, Declo
  236.655 380.859 237 Idahome Road
  244.810 393.984 245 Sublett Road – Malta
  253.705 408.299 254 Sweetzer Road
Oneida   262.512 422.472 263 Juniper Road
  275.650 443.616 I‑84 east Continuation into Utah
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

Route map: Google / Bing


Interstate 84
Previous state:
Oregon
Idaho Next state:
Utah