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Transportation & Public Works - News

Posted on: February 15, 2024

Highway 12 Westbound Closure Feb. 23-26 for Paving Project

NF_Caltrans Hwy 12 Closure Limits 2024

As part of a paving and concrete slab replacement project, weather permitting, Caltrans will alternate partial and full closures of westbound Highway 12 in Santa Rosa between Santa Rosa Avenue and Dutton Avenue between 8:00 p.m., Friday, February 23, and 5:00 a.m., Monday, February 26, 2024.  

The closures will be divided into day and night shifts. During night closures, the westbound highway between Santa Rosa and Dutton Avenue will be closed.  During day closures one lane will be open and one lane closed.  

During the night shifts, 8:00 p.m. – 8:00 a.m., the westbound direction of the highway will be fully closed, except on Monday, February 26, when the closure ends at 5:00 a.m.. Detours will guide motorists around the closed portion of the highway.  

 During the day shifts, 8:00 a.m. – 8:00 p.m., one of two lanes in the westbound direction will be closed. Motorists traveling westbound on Highway 12 between Santa Rosa Avenue and Dutton Avenue should prepare for significant delays or choose an alternative route. 

 The weekend closures will allow Caltrans to expedite the demolishing and recasting of concrete pavement slabs, which would take much longer to complete during typical night closures.  

Traffic Advisory

Caltrans Highway 12 Paving Project

Feb. 23-26 Hwy 12 Closure

The slab replacement is part of a larger project to rehabilitate a three-mile stretch of Highway 12 between Llano Road and Farmers Lane in Santa Rosa, which began in June 2023


Night; Friday – Saturday, February 23-24, 8:00 p.m. – 8:00 a.m.; Full Westbound Closure

Day: Saturday, February 24, 8:00 a.m. – 8:00 p.m.; One (of two) westbound lanes closed 

Night: Saturday – Sunday, February 24-25, 8:00 p.m. – 8:00 a.m.; Full Westbound Closure

Day: Sunday, February 25, 8:00 a.m. – 8:00 p.m.; One westbound lane closed

Night: Sunday – Monday, February 25-26, 8:00 p.m. – 5:00 a.m.; Full Freeway Closure 

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