As part of the I-405 Improvement project, OCTA and Caltrans crews will begin demolition to a portion of the existing sound wall adjacent to southbound I-405 between Harbor Boulevard and Fairview Road as early as Monday April 22 through Friday April 26 from 10 p.m. to 5 a.m.

This work will be performed at night.

Please be advised that this work may be loud.

Demolition of the wall requires full closures of the southbound I-405 on-ramp from Harbor Boulevard and the southbound I-405 off-ramp to Fairview Road, which can only be done at night.

Dates and times may change due to unforeseen operational factors or inclement weather.

The I-405 Improvement Project, which adds a general purpose lane and a tolled Express Lane facility in each direction.

The work will require several sound walls to be replaced.