It's nice that you are doing your research up front, so you'll know what to expect. Basically, it all depends on time of day, direction of travel, weather conditions, and whether there are any accidents or (rare) road closures.
There's an excellent ('live') online tool you can take advantage of, which will give you a better idea of what is going on throughout a typical day:
Here's a map of the T.O., Moorpark and Camarillo areas:
The "Sig-Alert" , which originated in L.A., has a fascinating history, too: