Volume 4 follows the former Detroit Toledo and Ironton Railroad from Springfield, Ohio north to Flat Rock Yard, on Detroits south side. Videotaped over a 5-year period, GT-4 provides a detailed look at GT and Indiana and Ohio trains from trackside and onboard a passenger special. Locations seen include Junction, Lagonda, Maitland, Rosewood, Quincy, Lima, Sugar Street, Ottawa, Leipsic, Hamler, Delta, Diann, Maybee, Carleton, Flat Rock, and more! 115 minutes, color with audio and narration, DVD-R format.