Interstate 15 in Idaho

Interstate 15 Main route of the Interstate Highway System
Maintained by ITD
Length:	196.000 mi[1] (315.431 km)
South end:	I-15 at Utah state line
Major junctions:	I-86 in Chubbuck US-20 in Idaho Falls
North end:	I-15 at Montana state line
State Highways in Idaho < SH-14 SH-16 >

In the U.S. state of Idaho, Interstate 15 is known for beautiful landscapes along the freeway in the state.^{[citation needed]} The freeway also crosses through the largest city in eastern Idaho, Pocatello, where it intersects Interstate 86.

Route description

Interstate 15 crosses the Utah state line and begins in Oneida County. The highway runs through Pocatello, Blackfoot, and Idaho Falls. It also merges with Interstate 86. The last county in Idaho that Interstate 15 passes through is Clark County. Finally, the interstate reaches the Montana state line at Monida Pass then finishes its route at the Canadian Border.

Landscapes along interchanges reflect the beauty of various local areas along the I-15 corridor. This one is in Blackfoot.

This section requires expansion.

History

This section requires expansion.

Exit list

County	Location	Mile[1]	#	Destinations	Notes
Oneida		2.540	3	Woodruff, Samaria
		12.888	13	SH-38 west – Malad
		16.550	17	SH-36 east – Weston, Preston
		21.523	22	Devil Creek Reservoir
Bannock		30.884	31	SH-40 east – Downey, Preston
		35.900	36	US-91 south – Virginia, Downey, Preston	South end of US-91 overlap
		40.462	40	Arimo
		44.075	44	I-15 Bus. north (Jensen Road) – McCammon
		47.160	47	I-15 Bus. south / US-30 east – Lava Hot Springs, McCammon, Soda Springs, Montpelier	South end of US-30 overlap
		56.646	57	I-15 Bus. north – Inkom	Northbound exit and southbound entrance
	Inkom	57.694	58	I-15 Bus. south – Inkom	Southbound exit and northbound entrance
		63.037	63	Portneuf area
	Pocatello	66.806	67	I-15 Bus. north / US-30 west / US-91 north (5th Avenue) – Pocatello	North end of US-30/US-91 overlap
		69.396	69	Clark Street
		71.000	71	I-15 Bus. north (Pocatello Creek Road)
	Chubbuck	72.031	72	I-86 west – Twin Falls	Left exit northbound; former I-15W west
		79.903	80	Fort Hall
Bingham
		88.763	89	I-15 Bus. north / US-91 – Blackfoot
	Blackfoot	92.525	93	I-15 Bus. south / US-26 west to SH-39 – Blackfoot, Arco, Aberdeen	South end of US-26 overlap
		97.681	98	Rose area, Firth
		107.990	108	Shelley area, Firth area
Bonneville		113.212	113	Shelley
		116	116	I-15 Bus. north / US-26 east – Ammon, Jackson	North end of US-26 overlap
	Idaho Falls	118.543	118	I-15 Bus. south / US-20 west / US-20 Bus. east - Historic Downtown Idaho Falls, Arco	South end of US-20 overlap
		119.098	119	US-20 east – Rigby, West Yellowstone, Airport, Idaho Falls	North end of US-20 overlap
		127.525	128	Osgood area
Jefferson		134.568	135	SH-48 east – Roberts, Rigby
		143.003	143	SH-28 west / SH-33 – Salmon, Mud Lake, Rexburg
	Hamer	149.609	150	Hamer
Clark	Dubois	167.052	167	File:County Route A2.svg SH-22 west / CR-A2 east – Dubois
		171.974	172	(no name)
	Spencer	180.389	180	Spencer
		184.407	184	Stoddard Creek area
		189.857	190	Humphrey

References

Interstate 15
Previous state: Utah	Idaho	Next state: Montana

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