Thank goodness you're okay. From that speed, I'm assuming you were on the hilly section of balboa between costco and target?
That crash could've been bad considering a lot of cars go well over the speed limit in those parts and it doesn't take much to move out of the shoulder and into the lanes in the event of a crash.

Definitely not one of my preferred routes with the merger to/from Morena being a doosy with all the costco traffic going in and out as well.

I'd buy that in a heartbeat.