Specialized Transportation Driver - Louisville, KY $1,500 Sign on Bonus in State and $2,500 Sign on Bonus Out of State Mosby's Towing, a division of Guardian Fleet Services The Specialized Transport Driver will safely operate a commercial industrial carrier or tractor trailer combination with a GVWR rating in excess of 33,000 lbs. Physical Requirements: The job requires lifting, crawling, pulling, constant use of hands, significant bending and reaching, climbing.