Santa Cruz County

Full closure of Highway 236 begins Monday

SANTA CRUZ COUNTY, Calif. - A three month, 17-mile resurfacing project is taking place on Highway 236 near Boulder Creek between Pine Street and Old Mill Road and began Monday, Sept. 12 with one-way, reversing traffic control, followed by a two-week, full closure next Monday, Sept. 19.

  • Monday, Sept. 19 and Tuesday, Sept. 20: Digouts and repair work should complete and paving will begin, working from Hwy. 9 to the Big Basin Park Headquarters.

From lower Hwy. 9/Hwy. 236 to near the State Park HQ (Post Mile 0.1-9.15)

  • One-way reversing traffic control Monday-Thursday from 8 am to 4 pm and Friday from 8 am to 1 pm.

From near State Park HQ to upper Hwy. 9/Hwy. 236 (Post Mile 9.15-17.0)

  • One-way reversing traffic control Monday-Thursday from 8 am to 4 pm and Friday from 8 am to 1 pm next week, from Sept. 12 to Sept. 16.
  • Two week FULL closure with entry for residents restricted depending on location of work. (Contractor will work with residents to provide reasonable access when possible).


  • Full Closure is planned to begin Sept. 19 and last through Oct. 3.
  • One-way reversing traffic control will be in effect when needed during the project.

The purpose of this project is to resurface the existing roadway with hot mix asphalt to extend the life of the highway.

NOTE: Motorists can expect 30-minute delays for reversing traffic control. Potentially, 30+ minutes for detoured traffic due to full closure.

The southern entrance to Big Basin State Park will remain open to visitors during full closure. Updates will be provided as new information becomes available.

The contractor for this $3.4 million construction project, which is scheduled to complete in December, is Graniterock Company of Watsonville, CA.

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