nothing wrong with two abreast. Legal in most states. I looked for CA regulations and found this:
"California has taken an arguably novel approach to this issue. Its state code says this about two abreast vs. single file riding: Nothing. The California vehicle code does not address the matter at all. "
so, 3 or 4 abreast more or less is legal in Death Valley. If it is smart, well, probably not, given that most people in this country believe that the more metal and steel they operate, the more rights they have on the road.
