Caltrans will conduct a grinding and paving operation on sections of Highway 46 between Bitterwater Road in Cholame and the San Luis Obispo and Kern county line.
The project will begin Monday and finish Thursday, with work done 8 a.m. to 2:30 p.m. each day.
Caltrans will try to keep traffic delays to 15 minutes, with one-way reversing traffic control. Drivers will be asked to slow down when driving through.
For traffic updates, call 549-3318 or visit the Caltrans District 5 website at http://www.dot.ca.gov/dist05/road_information.htm.