How many trucks were reported to have hauled freight in 2015?

In 2015, it was reported that over 35 million trucks were actively involved in hauling freight. This figure is significant as it highlights the scale of the trucking industry in the United States, which is a crucial component of the supply chain and logistics sector. The trucking industry plays a vital role in transporting goods and services across vast distances, making it essential to the economy. Understanding the scale of freight trucking can provide insights into employment trends, economic activity, and infrastructure needs related to transportation. It illustrates not only the reliance on trucking for freight movement but also underscores the industry's role in supporting various sectors by ensuring the timely delivery of products.