Caltrans Shifts SR 99 Construction to Nighttime Hours in Tehama County
Caltrans is rescheduling State Route 99 construction work to nighttime hours in Tehama County starting next week to help reduce daytime traffic congestion.

Eureka, CA, October 2, 2026 — Caltrans announced that construction activities on State Route 99 in Tehama County will be rescheduled to nighttime hours, a move intended to alleviate daytime traffic congestion. The shift in schedule is set to begin next week.
The decision by the California Department of Transportation (Caltrans) aims to minimize disruptions for motorists during peak travel periods. By relocating construction operations to overnight hours, Caltrans seeks to improve traffic flow and reduce delays that typically occur on SR 99 during the day. The specific start date for the nighttime construction schedule was not provided.
State Route 99 is a major artery through Tehama County, and construction projects can often lead to significant traffic impacts. Rescheduling these efforts is a common strategy employed by transportation agencies to balance the necessity of infrastructure maintenance and improvement with the public’s need for efficient travel.
Further details regarding the exact scope of the construction, the duration of the nighttime work, and specific traffic control measures that will be in place were not immediately available. Motorists are advised to stay informed about any updates or changes to the construction schedule through official Caltrans channels.
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