Tulsa is the second-largest city in the state of Oklahoma and is known as the "Oil Capital of the World." The city's economy was built on the success of the oil industry, which boomed in the early 20th century. Tulsa became a major hub for oil production, refining, and transportation, with numerous oil companies establishing their headquarters in the city. The oil industry played a significant role in shaping Tulsa's skyline, with many iconic Art Deco buildings constructed during this time.

Freight transportation is a vital part of Tulsa's economy, as the city is strategically located at the crossroads of major highways and rail lines. Tulsa is served by several interstate highways, including I-44, I-244, and the historic Route 66. These highways connect Tulsa to other major cities in the region and facilitate the transportation of goods and materials. The city is also served by the Tulsa Port of Catoosa, which is the furthest inland seaport in the United States and provides access to international trade via the McClellan-Kerr Arkansas River Navigation System.

Petaluma is a charming city located in Sonoma County, California. It is known for its picturesque downtown area, historic architecture, and strong sense of community. The city was founded in 1852 and was originally a trading post and agricultural center. Petaluma's location on the Petaluma River made it an important transportation hub in the late 19th and early 20th centuries, as goods were transported by boat to and from San Francisco. Today, Petaluma still retains its historic charm and is a popular destination for tourists and locals alike.

Freight transportation has played a significant role in Petaluma's history. In the late 1800s, the city became an important center for dairy farming, and the transportation of dairy products was vital to the local economy. The Petaluma and Santa Rosa Railroad, which opened in 1904, provided a direct connection to the Northwestern Pacific Railroad and facilitated the transportation of goods to San Francisco and beyond. The railroad played a crucial role in the growth of Petaluma's agricultural industry, allowing farmers to easily ship their products to larger markets.