As per reports, the I-405 will be reduced to three lanes in each direction through the Sepulveda Pass, from 2200 hours (local time) Friday (19 September) until 0500 hours (local time) Monday (22 September).

The closure will affect the followign sections:

• Northbound I-405: between Santa Monica Boulevard and Sunset Boulevard. Both the Santa Monica Boulevard on-ramp and the Sunset Boulevard on-ramp will be closed.
• Southbound I-405: Sunset Boulevard to eastbound Wilshire Boulevard. The Sunset Boulevard/Church Lane on/off-ramp will be closed.