A few minutes of downtime had me checking into what season of CHiP's may have had some SSP's cruising the highways. Take a look at what I stumbled across on my first video:
Look in the 19 minute range.
There were 3-5 lined up with no equipment/markings. This is from season 6 which apparently came out in 1983. That damn creeper!
I had trouble getting the pics to fit.
http://www.youtube.com/watch?v=wvY-RTP905I