Raidho is the letter R
Anglo-Saxon rune poem (from ragweedforge.com)
Riding seems easy to every warrior while he is indoors
and very courageous to him who traverses the high-roadson the back of a stout horse.
Raidho reversed is the rune of dangerous journeys, or journeys that should be avoided. It can also indicate obstacles to your travels or actions, or the loss of a means of transportation. Check your list (or make one) reconfirm your route and look for obstacles, and maybe reschedule that road trip, until after you have gotten your brakes checked and your oil changed