Railroads were very important during the USA Civil War, because they delivered soldiers, weapons and supplies to the battle, faster than ever before. The railroads also carried big mortars (on flat carts) which fired large shells at enemy battle lines. The Civil War might be called the first railroad war.
Illinois Central
Technically no. They're property of whichever railroad you stole them from. If the line is abandoned, they still don't belong to you, and depending on how the scrap yard is run they may accuse you of theft.
Passed a law calling for the construction of a railroad line from Nebraska to the Pacific Coast.
Soo Line Railroad was created in 1961.
Bay Line Railroad was created in 1994.
line segment
Seaboard Coast Line Railroad was created in 1967.
Seaboard Coast Line Railroad ended in 1983.
Michigan Air Line Railroad was created in 1868.
Michigan Air Line Railroad ended in 1916.
Darien Short Line Railroad ended in 1894.
Waycross Air Line Railroad was created in 1887.