This document discusses the importance of transportation in supply chains. It outlines different modes of transportation including water, rail, truck, air, and pipeline. It also covers the characteristics of different transportation modes such as price, transit time and variability, risk of loss and damage, and costs which include factors like labor, fuel, and maintenance. Transportation is a major cost for companies, accounting for 29% of total logistics costs on average. The choice of transportation mode depends on volume, distance, and demand, which determine the applicable rate structure and costs.