I-405 drilling construction to take place

Drill Exploration will occur intermittently throughout the I-405 Improvement Project area from April 23 to April 27.

Drill Exploration is performed to obtain information on the soil and rock around a site in order to design structures. Crews will be on the northbound (NB) and southbound (SB) lanes of the I-405 freeway.

Click here for a map of construction locations and times.