I have only been as far north on it as the 91. I am planning a Fixie Century on it and the first leg will be from Angel's Stadium to Prado Dam. http://ridewithgps.com/routes/3660644. From there, I plan to ride down to PCH, back to Prado, then return to Angel Stadium, which will give me a little over 100mi.
My question is from looking at the satellite images. It seems that the images are out of date and there are some sections going through construction zones, and some look like rough dirt track. Is the route passable as drawn? Is it fully paved?
I run a "hard fixed" with just a small front "emergency" brake, so I don't ride it on the street much, and certainly not for a century. I don't do a lot of hills with it either. I have a geared road bike for that.