A Caltrans project to construct a retaining wall on Highway 1 in northern San Luis Obispo and southern Monterey counties is under way on a stretch of highway known for dangerous rock slides.
Construction this week will include the drilling and placing of metal piles, a phase of the project that began on June 22 and will now move forward with full overnight closures on Highway 1 from Gorda to Ragged Point through the end of November, the agency announced Tuesday.
Roadwork will take place between 10 p.m. and 7 a.m. Sunday nights through Friday mornings.
During the day, motorists will encounter one-way reversing traffic control via a temporary traffic signal, and traffic delays during the one-way traffic control are expected to reach up to 10 minutes.
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Motorists traveling the stretch are asked to plan to reach their destinations before 10 p.m.
Local businesses along the coast will remain open during the construction.
The entire project is expected to be completed in winter 2016-17.