Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)

In Washington:
– Lanes cannot be closed until 9am, but the contractor could place drums or cones along the side of the road.
– Signs could not be displayed until 9am, but the contractor could place folded portable signs on the side of the road ready to be deployed.
These two things allow the contractor to maximize work time without actually impeding traffic until 9am.