Federal & State Regulations | National network - Idaho

[The federally–designated routes on the National Network consist of the Interstate System, except as noted, and the following additional Federal–aid Primary highways]

Route	From	To
I–15B	I–15/US 26 S. of Idaho Falls	US 26 N. Int. Idaho Falls.
US 2	Dover	US 95 Sandpoint.
US 2	US 95 Bonners Ferry	MT State Line.
US 20/26	OR State Line	I–84 W. Caldwell Int. Caldwell
US 20	I–84 Mountain Home	MT State Line.
US 26	I–84 Bliss	I–15 Blackfoot.
US 30	US 95 Fruitland	ID 72 New Plymouth.
US 30	I–15 McCammon	WY State Line.
US 89	UT State Line	US 30 Montpelier.
US 91	UT State Line	I–15 Virginia.
US 93	NV State Line	Arco.
US 95	OR State Line S. of Marsing	OR State Line Weiser (via US 95 Spur).
US 95	Grangeville	Moscow.
US 95	I–90 Coeur D’Alene	US 2 Bonners Ferry.
ID 16	ID 44 Star	Emmett.
ID 28	ID 33 Mud Lake	US 93 Salmon.
ID 33	ID 28 Mud Lake	US 20 Rexburg
ID 44	I–84 Caldwe1l	ID 55 Eagle.
ID 51	NV State Line	I–84 Mountain Home.
ID 53	WA State Line	US 95 Garwood.
ID 55	US 95 Marsing	I–84 Nampa.
ID 55	US 20/26 S. of Eagle	ID 44 Eagle.
ID 75	US 93 Shoshone	Ketchum.
ID 87	US 20 N. of Macks Inn	MT State Line.

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National network - Idaho