Railroads were key to Rockford's rise as a thriving manufacturing and commercial center. With an area population of over 200,000 residents and a reputation for manufactured goods, Rockford had a critical need for railroads into the bust years of the 1970s. Eventually four railroads rose to prominence in Rockford, all of them Class 1 carriers: the Chicago and North Western; Chicago, Burlington, and Quincy; the Chicago, Milwaukee, St. Pau, l and Pacific...