Troy is a historic city located in upstate New York, situated on the eastern bank of the Hudson River. The city was founded in the late 18th century and quickly became an important industrial center, particularly in the iron and steel industries. Troy's location on the Hudson River made it a key transportation hub for the region, with goods being transported by both water and rail. The city's proximity to major trade routes and its access to the Erie Canal helped fuel its growth and prosperity.

One of the most notable features of Troy's transportation history is the Troy Union Railroad. This railroad, established in the mid-19th century, connected the various industrial areas of the city and played a crucial role in the transportation of freight. The Troy Union Railroad had an extensive network of tracks that reached all corners of the city, allowing for efficient movement of goods between factories and the riverfront. Today, the railroad tracks have been repurposed into a recreational trail known as the Uncle Sam Bikeway, providing residents and visitors with a scenic route for walking, running, and cycling.

Allentown is a city located in Lehigh County, Pennsylvania. It is the third-largest city in the state and is known for its rich history and industrial heritage. The city was founded in 1762 and was initially a small farming community. However, with the arrival of the Lehigh Canal in the 1820s and the railroad in the 1850s, Allentown quickly grew into a major industrial center.

One of the key industries that played a significant role in Allentown's growth was the transportation and freight industry. The city became a major hub for the transportation of goods and materials, thanks to its strategic location along the Lehigh River and its connections to major transportation routes. The Lehigh Valley Railroad, which was headquartered in Allentown, played a crucial role in the transportation of freight, connecting the city to markets across the country.