Tweet Today’s post is by contributing writer Kirby Hoyt: Historically, cities have been designed around their prevailing modes of transportation. When Phoenix was first conceived, there were two modes of transportation: the train (for long distance and shipping) and the horse-and-buggy (for local and hauling needs). The streets in Phoenix were designed in a grid that emanated from the railroad depot and ancillary buildings, kind of a play on the Law of the Indies. Within six years of the incorporation of Phoenix, the beginnings of an extensive streetcar system was put in place, with the first streetcar operating on six…