By Khalida Sarwari
Closures are scheduled for the Posey and Webster tubes beginning Monday to allow the California Department of Transportation to clean the tunnels.
Nightly closures are scheduled for the Webster Tube on Monday from 10 p.m. to 4:30 a.m. and Wednesday night from 9 p.m. to 4:30 a.m.
The Posey Tube will be closed Tuesday from 10 p.m. to 4:30 a.m. and Thursday from 9 p.m. to 4:30 a.m.
Traffic will be detoured to the High Street Bridge during the closures.