The California Department of Transportation (CalTrans) announced recently that it will close the Posey and Webster tubes at night for cleaning starting Monday, Jan. 22.

The Posey Tube, exiting Alameda, will be closed from 10 p.m. to 4:30 a.m. the following morning on three nights: Monday, Jan. 22, Tuesday, Jan. 23, and Wednesday, Jan. 24.

The Webster Tube, entering Alameda, will be closed from 10 p.m. to 4:30 a.m. the following morning on three nights: Monday, Jan. 29, Tuesday, Jan. 30, and Wednesday, Jan. 31.

Questions or information about the closures should be directed to Eroluis Oseguera at 286-3947.