Tree Crash Closes West Knoll Drive Friday - July 29, 2016 by Staff Report | No Comments ADVERTISEMENTPhoto by Jim Garrecht / ANG News West Knoll Drive has been closed in both directions as the L.A. County Fire Department responded to a report of a tree falling onto a car. The tree fell into the back of a Toyota and also damaged a pickup truck.. 0 0 votes Article Rating ADVERTISEMENT