APM: 39 Location: Ave of the Giants and Sorenson Rd, Humboldt Cty Just after the ramp from 101 south, we’ll approach Sorenson Rd, which connects to US 101. The postmiles also adjust, jumping from 24 to 39 for some reason. APM: 39 Location: Ave of the Giants and Turner Ln, Redcrest, Humboldt Cty Just after that, we’ll enter … Continue reading California State Route 254, US-101 to US-101