APM: 88 Location: US 101 and SR 299, Arcata Reassurance shield after the 299 exit. APM: 86 Location: US 101 and Sunset Ave, Arcata Reassurance shield after the Sunset Avenue/Humboldt State University exit as we approach SR 255. APM: 85 Location: US 101 and Samoa Blvd, Arcata Exit for SR 255, which heads out to the barrier around … Continue reading U.S. Route 101, SR 299 to SR 255