Gartner defines transportation management systems (TMSs) as software that supports multimodal planning and execution of the physical transport of goods across the supply chain. It allows a company to manage varying levels of transportation complexity across multiple transport modes and geographic regions. TMS solutions are utilized by companies of differing sizes, operational complexity, industries and geographic locations. TMS solutions are utilized to plan and execute the physical transport of goods across the supply chain. They provide a company with the ability to manage the entire transportation life cycle of an order or shipment.