What percentage of U.S. communities does not rely solely on trucks for delivery services?

The correct choice indicates that 20% of U.S. communities do not rely solely on trucks for delivery services. This percentage reflects an understanding of the diverse logistics networks that exist across the country. Many communities utilize a combination of transportation methods for goods delivery, including rail, air, and waterways, along with trucking. This diversity allows for more efficient and flexible supply chain operations, especially in areas where truck access might be limited or where delivery speed and capacity might be enhanced by using other modes of transport.

In addition, various factors contribute to communities opting for multiple delivery methods, such as geographical considerations, types of goods being transported, and infrastructure availability. Recognizing that 20% of communities operate with a more diversified approach underscores the importance of integrated logistics solutions in modern supply chains. This knowledge can be vital for those involved in the trucking industry and logistics management, as it highlights areas for potential growth and adaptation.