California Department of Transportation

Eureka-Arcata Route 101 Corridor Improvement - Introduction

Eureka-Arcate Corridor

For the latest news and information about the Eureka-Arcata Route 101 Corridor Improvement Project, please visit:


The California Department of Transportation (Caltrans) in cooperation with the Humboldt County Association of Governments (HCAOG) and the Federal Highway Administration (FHWA) propose to make improvements to the Eureka to Arcata Route 101 Corridor. The proposal will:

  • Improve safety and reduce delays at intersections.
  • Reduce operational conflicts.
  • Resurface, restore, and rehabilitate the existing Route 101.
  • Extend or construct right-turn acceleration and deceleration lanes.