Caltrans has scheduled nighttime ramp closures at the Highway 101-Highway  12 interchange in Santa Rosa this week. The agency released the following schedule:

The eastbound Highway 12 onramp to southbound Highway 101 will be closed from 9 p.m. Monday to 4 a.m. Tuesday.

The southbound 101 offramp to eastbound 12 will be closed from 10 p.m. Monday to 6 a.m. Tuesday.

The westbound 12 onramp to southbound 101 will be closed from 11 p.m. Tuesday to 6 a.m. Wednesday.

The southbound 101 offramp to westbound 12 will be closed from 9 p.m. Tuesday to 4 a.m. Wednesday.

The eastbound 12 onramp to southbound 101 will be closed from 9 p.m. Wednesday to 4 a.m. Thursday.

The southbound 101 offramp to eastbound 12 will be closed from 10 p.m. Wednesday to 6 a.m. Thursday.

The westbound 12 onramp to southbound 101 will be closed from 11 p.m. Thursday to 6 a.m. Friday.

The southbound 101 offramp to westbound 12 will be closed from 9 p.m. Thursday to 4 a.m. Friday.

During the project, the contractor will be grinding and removing old pavement prior to repaving.