> 1.2 million trucking companies in the US, most of which have fewer than six trucks

And thousands get shut down each year by the DOT. Being the Uber for trucking is great and all, but enabling these small trucking companies to pass DOT safety audits with flying colors could be the biggest advantage of all.

Safety rating is one of the biggest factors involved in selection of carriers because Union Carbide doesn't want their toxic chemical spilled all over the highway.

The safety rules for trucking are written in blood, meaning much of the rule book exists because people died. Trucking is immensely dangerous. If they get the safety part right, they'll take over the industry. If you knew how the trucking industry works you'd be amazed anything gets anywhere.