In The Interurban Era, written by Trains Magazine contributor William D. Middleton, he discussed a period of America when long-distance, large-capacity interurban railways were the hottest commodity for rapid transit, specifically from the 1900s to 1963. During this time, real estate companies found land values skyrocket from having important rail corridors to downtown, while energy companies revelled in the utility subsidies they got for providing an outlet (not a pun) through electric traction. One of these railways that Middleton praises as a "super-interurban" for its quality of service is the Chicago North Shore and Milwaukee Railroad, better known as the North Shore Line, and upon its passing in 1963, Middleton noted it was the "end of the Interurban Era" in the United States. So how did a railway like this be this big of a lynchpin for Mr. Middleton? Let's find out on today's Trolley Tuesday!