APM: N/A Location: Central Ave and US-101, McKinleyville, Humboldt Cty No reassurance shield as 101 Business begins. There’s only one sign left at all for 101 Business, and it’s located within the SR 200 intersection. It’s arguable that this route doesn’t actually exist anymore. Location: Central Ave and Murray Rd, McKinleyville, Humboldt Cty Follow Murray Rd … Continue reading U.S. Route 101 Business, US-101 to US-101/SR 200