Southwestern Motor Transports - Southwestern Motor Transport, ON TIME, ANYTIME DELIVERY Currently, we serve most of the U.S.A. in truckload and LTL. We also perform thru service between Mexico, Canada, and the United States with over 350 tractors. GET A QUOTE MY SMT CUSTOMER SERVICE RATE QUOTE PICKUP REQUEST Reliable Service Present day operation that includes 45 state LTL coverage and network […].