MP: .98 Location: E Canyon Rd and N Main St, Colfax SR 272 goes down a wacky 10 percent grade at the end to descend to Colfax. MP: .86 Location: E Canyon Rd and N Main St, Colfax Informational sign in the slow vehicle turnout explaining this 10 percent grade. This must be crazy in … Continue reading State Route 272, SR 27 to US-195