Scoria roads are probably one of the hardest environments for a tire.Ran these a couple times on my work pickup. They are good in snow but their life on scoria roads all the time is short lived. About 10k miles we usually start getting flats with them and by 12-15k they are toast. Falken wild peaks were also really good in snow but toast by 10k as they are chunked out from the scoria. Currently running a set of copper st maxx and have 15k on them and should get another 5k on them. Only flat I’ve had is from a nail.