Little red flags have appeared along Mulholland like these between Deep Canyon and Benedict Canyon.
More are located in many areas. Here is a line of red flags going west from Doughnuts.
I believe that these flags are for drilling locations for new gaurd-rails.
Lately I have seen more cars being pulled up from the steep slopes near my home.
Charlie Sheen started a fad of some sort.
The city may be trying to discourage more dumping of cars over the edge by putting in barriers.