Just say yes to tape!
Better safe than sorry, temperature changes and torsion from change of direction casts can loosen any ferrule on any given day
Rod carriers work fantastic and you can see spey rods zooming about from British Columbia to Washington, thru Oregon into norhtern Cal when the runs are on.
Personally I would not do highways with them but everything in between is fair game.
I just use high quality tape and do a stretched, over-lapping spiral which takes only a few seconds and prevents the sections from moving apart. Ending the tape away from the guides prevents the tag from catching the line.
It pulls off easy when putting the rods in the vehicles, goes on easy at the next hole. Most guys out west just leave the tape wound on the rod for the day even when broken down, in other words re-wrap loosely on to one side for re-use later that day.
IFFF Certified THCI @ 2005
Capeflyfisher Guide Service
Island Hopper, Guitarist, Incurable Dreamer
and Founder, Worldwide Flyfishing Forum