When we talk about "transports to and fro," we are referring to the act of moving people or goods back and forth between two places. Some synonyms that could be used to describe this action include "shuttling," "carrying," "ferrying," "transporting," "hauling," "conveying," "moving," and "shipping." Each word slightly differs in meaning, but all capture the idea of moving something or someone between two points. Some of these words might be more appropriate for certain situations; for instance, "shuttling" could be used to describe the movement of individuals between two locations, while "shipping" is more commonly used for transporting goods.