This represents the last segment of road I drove in my quest to drive the entire Idaho Highway System. I clinched it on October 12, 2014. AMP: 0 Location: River St and I-90, Mullan Immediately as the business loop splits from I-90, we’ll enter Mullan AMP: 0 Location: River St and 8th St, Mullan Half … Continue reading Interstate 90 Business, I-90 to I-90