Delays should be expected along Highway 12 near downtown Santa Rosa this weekend. Paving work will take place on the stretch between the South E Street exit and Dutton Avenue from 8 p.m. Friday through 5 a.m. Monday. Westbound traffic will be reduced to one lane during the day but a full closure is set for overnight from 8 p.m. to 8 a.m. Eastbound traffic shouldn’t be affected. Caltrans says delays may develop beginning at Farmers Lane and drivers should find alternate routes.