Peaceful Oak interchange

Caltrans placed black coverings over many road signs on Highway 108 near Peaceful Oak Road in early March to prepare for a project that began in April to build a new eastbound onramp and westbound off-ramp.

Highway 108 will be fully closed near Sonora at times on Thursday for blasting work related to an ongoing $8 million Caltrans project at Peaceful Oak Road.

The agency said the intermittent closures are scheduled to take place in the late morning and early afternoon just east of Peaceful Oak Road, between Hess Avenue and Mono Way, though exact times were not provided.

Drivers should expect delays of up to 15 minutes and use alternate routes whenever possible, the agency said.

Flaggers and signs will be in place to alert drivers of the closures, which are subject to change due to traffic incidents, weather, availability of equipment and materials, or other construction-related issues.

Work on the project began in April and is expected to be completed late this year, though no specific date has been provided.

The project will provide a new eastbound on-ramp and westbound off-ramp on Highway 108 at Peaceful Oak Road, which were originally planned as part of the $53 million East Sonora Bypass project completed in 2013 and got set aside due to funding issues at the time.

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