In the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Idaho

Idaho

Idaho is a state in the Rocky Mountain area of the United States. The state's largest city and capital is Boise. Residents are called "Idahoans". Idaho was admitted to the Union on July 3, 1890, as the 43rd state....

, Interstate 84

Interstate 84 (west)

Interstate 84 is an Interstate Highway in the Western United States that runs from Portland, Oregon, to a junction with Interstate 80 near Echo, Utah. The highway originally served as a fork of I-80 to serve the Pacific Northwest, and was originally numbered Interstate 80N.The highway serves and...

 heads southeast from the Oregon

Oregon

Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

 state line, it spurs to Interstate 184

Interstate 184

Interstate 184 is a short Interstate Highway spur route of Interstate 84 located in Idaho. I-184 connects I-84 travelers to downtown Boise. The western terminus of I-184 is with I-84; the eastern terminus 13th Street in downtown Boise, where I-184 empties eastbound traffic onto Myrtle Street and...

 in Boise

Boise, Idaho

Boise is the capital and most populous city of the U.S. state of Idaho, as well as the county seat of Ada County. Located on the Boise River, it anchors the Boise City-Nampa metropolitan area and is the largest city between Salt Lake City, Utah and Portland, Oregon.As of the 2010 Census Bureau,...

. Eventually I-84 spurs Interstate 86

Interstate 86 (west)

Interstate 86 is an intrastate Interstate Highway, located entirely within the state of Idaho. It runs 63 miles from an intersection with Interstate 84 located approximately 7 miles east of Declo in rural Cassia County, to an intersection with Interstate 15 at Pocatello...

 and mainline I-84 heads southeast towards Utah

Utah

Utah is a state in the Western United States. It was the 45th state to join the Union, on January 4, 1896. Approximately 80% of Utah's 2,763,885 people live along the Wasatch Front, centering on Salt Lake City. This leaves vast expanses of the state nearly uninhabited, making the population the...

 and I-86 is continues due east and heads to Pocatello, meeting with Interstate 15

Interstate 15

Interstate 15 is the fourth-longest north–south Interstate Highway in the United States, traveling through the states of California, Nevada, Arizona, Utah, Idaho, and Montana from San Diego to the Canadian border...

.

Future

(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 forth 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.

Exit list

County	Location	Mile	# Exit number An exit number is a number assigned to a road junction, usually an exit from a freeway. It is usually marked on the same sign as the destinations of the exit, as well as a sign in the gore....	Destinations	Notes
Payette Payette County, Idaho Payette County is a county located in the U.S. state of Idaho. The county was established in 1917, and at the 2000 Census the county had a population of 20,578 . The county seat is Payette....		2.876	3
		9.498	9		West end of US-30 overlap
		12.906	13	Black Canyon Junction
Canyon Canyon County, Idaho Canyon County is a county located in the U.S. state of Idaho. As of the 2010 Census the county had a population of 188,923. The county seat is Caldwell, and its largest city is Nampa.. Canyon County is part of the Boise City–Nampa, Idaho Metropolitan Statistical Area.- History :The county was...		17.335	17	Sand Hollow
		24.839	25
		25.994	26		West end of US-20/US-26 overlap
	Caldwell Caldwell, Idaho Caldwell is a city in and the county seat of Canyon County, Idaho, United States. The U.S. Census Bureau estimated the population to be 43,281, as of July 2009.Caldwell is the home of the College of Idaho. It is considered part of the Boise metropolitan area....	26.723	27
		27.620	28	10th Avenue – Caldwell City Center
		28.650	29		East end of US-20/US-26 overlap
	Nampa Nampa, Idaho Nampa is the largest and the fastest growing city in Canyon County, Idaho, USA. The population of Nampa was 81,557 at the 2010 census. Nampa is located about west of Boise along Interstate 84, and six miles west of Meridian. Nampa is part of the Boise metropolitan area...	33.539	33		West end of SH-55 overlap; signed as exits 33A (SH-55) and 33B (Midland Boulevard) westbound
		34.965	35	Northside Boulevard
		35.985	36	Franklin Boulevard
		37.945	38
Ada Ada County, Idaho Ada County is a county in the southwestern part of the U.S. state of Idaho. As of the 2010 Census, the county had a population of 392,365. The county seat and largest city is Boise, which is also the state capital. Other cities in the county with over 10,000 residents include Meridian, Eagle,...	Meridian Meridian, Idaho -History:The town was established in 1891 on the Onweiler farm north of the present site and was called Hunter. Two years later an I.O.O.F. lodge was organized and called itself Meridian because it was located on the Boise Meridian and the town was renamed...	42.000	42	Ten Mile Road
		44.007	44
		45.998	46		East end of SH-55 overlap
	Boise Boise, Idaho Boise is the capital and most populous city of the U.S. state of Idaho, as well as the county seat of Ada County. Located on the Boise River, it anchors the Boise City-Nampa metropolitan area and is the largest city between Salt Lake City, Utah and Portland, Oregon.As of the 2010 Census Bureau,...	49.307	49
		50.140	50	Overland Road, Cole Road	Signed as exits 50A (west) and 50B (east)
		51.997	52	Orchard Street
		53.483	53	Vista Avenue – Boise Airport Boise Airport Boise Airport , also known as Boise Air Terminal or Gowen Field, is a joint civil-military, commercial and general aviation airport located three nautical miles south of downtown Boise in Ada County, Idaho, USA...
		54.485	54		West end of US-20/US-26 overlap
		56.932	57
		59.510	59	South Eisenman Road, Memory Road	Signed as exits 59A (Eisenman Road) and 59B (Memory Road) eastbound
		63.517	64	Blacks Creek Road – Kuna Kuna, Idaho Kuna is a city in Ada County, Idaho, United States. It is part of the Boise City–Nampa, Idaho Metropolitan Statistical Area. The population was 15,210 at the 2010 census...
		70.772	71	Orchard, Mayfield
Elmore Elmore County, Idaho Elmore County is a county located in the U.S. state of Idaho. As of the 2010 Census the county had a population of 27,038, down 7.2% from 29,130 in 2000. The largest city and county seat is Mountain Home....		74.333	74	Simco Road
		90.280	90
	Mountain Home Mountain Home, Idaho Mountain Home is the largest city and county seat of Elmore County, Idaho. The population was 14,206 at the 2010 census. Mountain Home is the principal city of the Mountain Home, ID Micropolitan Statistical Area, which includes Elmore County....	95.193	95		East end of US-20 overlap
		99.570	99
		111.800	112
		113.856	114		Westbound exit and eastbound entrance
		120.149	120		Eastbound exit and westbound entrance
		121.094	121
		125.159	125	Paradise Valley
		128.993	129	King Hill King Hill, Idaho King Hill is an unincorporated community in Elmore County, Idaho, United States. King Hill is located on the Snake River northeast of Glenns Ferry. King Hill has a post office with ZIP code 83633....
Gooding Gooding County, Idaho Gooding County is a county located in the U.S. state of Idaho. As of the 2000 Census the county had a population of 14,155...		137.060	137		East end of US-30 overlap
		140.405	141		East end of US-26 overlap
		146.870	147	Tuttle
		155.260	155
		156.581	157
Jerome Jerome County, Idaho Jerome County is a county in the U.S. state of Idaho. As of the 2000 Census the county had a population of 18,342 . The county seat and largest city is Jerome....		165.160	165
		168.010	168
		173.013	173	– Wells Wells, Nevada Wells is a city in Elko County, in northeast Nevada in the western United States. The population was 1,346 at the 2000 census. Wells is located at the junction of U.S. Route 93 and Interstate 80, approximately east of Elko and is part of the Elko Micropolitan Statistical Area.-History:The site... , Sun Valley Sun Valley, Idaho Sun Valley is a resort city in Blaine County in the central part of the U.S. state of Idaho, adjacent to the city of Ketchum, lying within the greater Wood River valley. Tourists from around the world enjoy its skiing, hiking, ice skating, trail riding, tennis, and cycling. The population was 1,427... , Twin Falls Twin Falls, Idaho Twin Falls is the county seat and largest city of Twin Falls County, Idaho, United States. The population was 44,125 at the 2010 censusTwin Falls is the largest city of Idaho's Magic Valley region...
		181.930	182
		188.301	188	Valley Road – Hazelton Hazelton, Idaho Hazelton is a city in Jerome County, Idaho, United States. The population was 753 at the 2010 census. It is part of the Twin Falls, Idaho Micropolitan Statistical Area.-Geography:Hazelton is located at .... , Eden Eden, Idaho Eden is a city in Jerome County, Idaho, United States. The population was 405 at the 2010 census. It is part of the Twin Falls, Idaho Micropolitan Statistical Area.-Geography:Eden is located at ....
		193.525	194		West end of SH-25 overlap
		200.536	201		East end of SH-25 overlap
Minidoka Minidoka County, Idaho Minidoka County is a county located in the U.S. state of Idaho. The county seat and largest city is Rupert. As of the 2000 Census the county had a population of 20,174 ....
		208.015	208
		210.591	211		West end of US-30 overlap
Cassia Cassia County, Idaho Cassia County is a county located in the U.S. state of Idaho. As of the 2010 Census the county had a population of 22,952. The county seat and largest city is Burley.-History:...		216.395	216
		221.880	222		East end of US-30 overlap; former I-15W east
		227.950	228
		236.655	237	Idahome Road
		244.810	245	Sublett Road – Malta Malta, Idaho Malta is a city in Cassia County, Idaho, United States. The population was 193 at the 2010 census. It is part of the Burley, Idaho Micropolitan Statistical Area.- Name :...
		253.705	254	Sweetzer Road
Oneida Oneida County, Idaho Oneida County is a county located in the U.S. state of Idaho. As of the 2000 Census the county had a population of 4,125 . The county seat and largest city is Malad City. The Oneida County Courthouse is listed on the National Register of Historic Places.Most of the county's population lives in...		262.512	263	Juniper Road