Mudslide
It's funny but I was just looking for information on that mudslide and Google brought me to your post. :)
It was April 1969 on the northbound side.
I remember because my father was an engineer with Metro Transportation (Metro Roads and Traffic back then) and my sister and I piled...
Yow. I was searching the internet for references to the radial railway and started reading this thread thinking "What the heck?? I don't remember that!!" until I finally realized what was going on. :D
Great stuff to all of you.