About 53% of all carriers are private carriers, for a total in the U.S. of about 620,000 registered carriers, according to the ATA. Close to 70% of outbound freight moves on private fleet trucks.

When a company decides to manage its own private fleet, it’s essentially creating a trucking company and assuming responsibility for everything from leasing the trucks to hiring and retaining the drivers to marketing backhauls to pay for the significant overhead investment.

Source: https://www.kanelogistics.com/blog/benefits-dedicated-fleet-services