For example, in medium truck tire sizes, a sidewall section repair can be 41/2 inches long but can only be 3/8 inches wide. On the other hand, another repair can be 11/2 inches wide but only 2 inches ...

There are dangers to traveling off-pavement. Annoyances like pointed rocks in the mountains, buried sticks in the mud of the lowlands, spikey brush in the desert or old pieces of metal near railroads ...