Signs From Idaho

I-15 south approaching Exit 172 - Ranch Exit.

I-15 south approaching Exit 184 - Stoddard Creek Area

I-15 south approaching Exit 190 - Humphrey. This is the first exit on I-15 south in Idaho.

Speed Limit 80 MPH on I-15 south, just south of the Idaho-Montana border. The speed limit along I-15 is 80 MPH to Idaho Falls.

First distance marker in Idaho along I-15 south. Distance to Spencer, Dubois, and Idaho Falls.

Welcome to Idaho on I-15 south at the Idaho-Montana stateline on Monida Pass.

I-15 south Entering Clark Count and Leaving Montana. Taken on Monida Pass on the Continental Divide between Idaho and Montana.

US-20 east at Exit 325 - Menan/Roberts.

US-20 east at junction to Idaho National Laboratory (INL).

US-20/US-26 east at US-20/US-26 split. US-26 continues east to Pocatello and Blackfoot, US-20 east goes to Idaho Falls.