Rockford is a city located in northern Illinois, approximately 90 miles northwest of Chicago. It is known as the "Forest City" due to its abundance of trees and green spaces. Rockford has a rich history in the manufacturing and transportation industries, which have played a significant role in its development.

One interesting fact about Rockford is that it was once known as the "Screw Capital of the World." During the late 19th and early 20th centuries, Rockford was a major center for the production of screws, bolts, and other fasteners. The city was home to numerous factories and had a thriving industry that supplied screws to various industries across the country.

In terms of freight transportation, Rockford is strategically located near major highways and rail lines, making it an important hub for the movement of goods. The city is served by Interstate 90, which connects it to Chicago and other major cities in the region. Additionally, the Union Pacific Railroad operates a major rail yard in Rockford, providing convenient access to the national rail network.

Johnson City is a city located in northeastern Tennessee, nestled in the foothills of the Appalachian Mountains. It is known for its rich history, vibrant arts scene, and outdoor recreational opportunities. The city was originally named "Johnson's Depot" after Henry Johnson, a railroad official who played a key role in the development of the town. The railroad played a significant role in the growth of Johnson City, as it served as a transportation hub for the region, connecting the city to other major cities and facilitating the movement of goods and freight.

Today, Johnson City continues to be an important transportation center, with several major highways passing through the city. The city is also served by the Tri-Cities Regional Airport, which provides air freight services and connects the region to major cities across the United States. In addition to its transportation infrastructure, Johnson City is home to a number of industries that rely on freight transportation, including manufacturing, distribution, and logistics companies. These industries contribute to the city's economy and provide employment opportunities for its residents.