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Attention Humboldt and Siskiyou County residents: Caltrans District 1 and Caltrans District 2 are working on a plan to improve evacuation preparedness on State Routes 96 and 169, which are crucial for wildfire safety and climate resilience. This proposed project will focus on vegetation management, erosion control, rockfall mitigation, and enhanced traffic systems, such as electronic signage and emergency communication devices, to better protect us from extreme weather and wildfires.
 
Pending funding, we're aiming to begin construction in 2030, but before that, we want to hear from you. The survey linked below asks about your experiences with these routes, your concerns, and any improvements you'd like to see. Your feedback is essential to shaping a safer and more resilient transportation system.
 

Transforming Sea Level Rise Into An Opportunity

October 2023

When Jason Patton bikes from his home in Manila, California, to the nearby town of Arcata, he rides along a peninsula at the edge of Humboldt Bay. His travels lead past levees that were built in the late 1880s to protect this narrow slip of land from the sea. But lately, their protection has started to feel precarious.

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Cal Poly Humboldt Sea Level Rise Institute Annual Report - 2022-2023

August 2023

As a core vision, the Cal Poly Humboldt Sea Level Rise Institute (SLRI) “envisions a diverse network of collaborators working together across disciplines, sectors, and ways of knowing to develop sea-level rise research and planning that informs equitable, sustainable, and community-centered local climate action.” The SLRI had a productive academic year from 2022 - 2023 in service of this vision.

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Caltrans welcomes you to our online resources to help you stay informed regarding our planning and project efforts in District 1. You can find information regarding our efforts along the Highway 101 Corridor and in each of the 4 counties covered by District 1.

Map of Counties

There are 23 state highways located within District 1. In many of these areas, the State Highway System (SHS) serves as the “main street.” The SHS also provides outlying communities access to emergency services.

To view the locations along the SHS that are the most at-risk due to climate change, click the link below.

Caltrans District 1 Vulnerability Assessment Map