LASSEN COUNTY, CALIFORNIA — October 30, 2026. Drivers who regularly use U.S. Highway 395 between Hallelujah Junction and Doyle have an opportunity to weigh in on a major future safety project before state engineers select the design. The California Department of Transportation is evaluating two alternatives for roughly 24.3 miles of US 395, from milepost R5.60 to R29.90 in southern Lassen County, with an environmental scoping comment deadline of Thursday, November 12, 2026.
This is an early public-review stage. Caltrans has not announced a 2026 construction start, approved a final barrier design or committed to new passing lanes along the whole corridor. The agency’s current project webpage anticipates construction in 2030–31, subject to further environmental review, design, funding and schedule changes.
Two different ways to address head-on collisions
According to the official Caltrans project portal, the agency is studying:
- Alternative 1 — alternating slow-moving vehicle lanes: new segments between approximately 1.5 and 3 miles long in northbound and southbound directions. The aim is to provide more safe opportunities for faster vehicles to move around slower traffic on a busy two-lane route.
- Alternative 2 — a concrete median barrier: a 42-inch-high concrete barrier separating northbound and southbound traffic to help prevent vehicles from crossing into opposing lanes.
Both would be accompanied by pavement and roadside safety work under the proposed project scope. The alternatives have different implications for overtaking, emergency access, intersections and maintenance. The current consultation is intended to identify those issues rather than resolve them by editorial assumption.
What else is planned?
The state’s Environmental Clearinghouse filing, SCH 2026100372, describes proposed improvements to pavement, culverts, bridges, guardrails and roadside transportation systems. Caltrans says the work is intended to reduce crossover collisions, improve ride quality and extend usable pavement life for at least 10 years.
The preliminary environmental review will address issues ranging from biological resources and drainage to noise, agricultural land, air quality, cultural resources and transportation safety. Those categories describe subjects for review, not agency findings that specific harm has already occurred.
How and when to submit a formal comment
Caltrans states that written scoping comments must be received by November 12, 2026. Email comments to Red_Rock_to_Doyle_ScopingComments@dot.ca.gov or mail them to Caltrans District 2, Attn: Julie McFall, 1031 Butte Street, MS 30, Redding, CA 96001. Identify the Red Rock to Doyle Safety Project in the subject line or letter.
The agency already held public meetings in Doyle on October 19 and Susanville on October 20. Caltrans specifically warns that a question raised orally at a meeting is not automatically a formal environmental scoping comment. To place a concern into the formal review record, submit it in writing by the deadline.
Questions local residents may wish to raise
Useful, project-specific questions include how either alternative would affect turnout and driveway access, emergency vehicle movement, the ability of large agricultural trucks to pass, locations where snow or drainage may impair visibility, and whether a concrete barrier could change access to roads and nearby land. Drivers may also ask how traffic would be maintained during an eventual multiyear construction period.
No comment endorses or rejects a particular design on behalf of California58. Readers should review both alternatives directly and decide which impacts merit official study.
Primary sources
Caltrans District 2, Red Rock to Doyle Safety Project — public comment portal and schedule; State Clearinghouse SCH 2026100372, Notice of Preparation, October 12, 2026.
California58 regional transportation report, October 30, 2026. This is a proposal and public-comment opportunity, not an active lane closure. Exact travel conditions should be checked separately through Caltrans QuickMap before a trip.
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