There will be a full closure of I-405 southbound again this weekend.
All southbound lanes of I-405 between the North Southport Drive off-ramp and the Sunset Boulevard N. / SR 169 on-ramp will be fully closed from 11:30 p.m. Aug. 22 to 4 a.m. Aug. 25.
Signed detours will be in place to divert traffic…