Past meets future on the L&N By Angela Cotey | December 15, 2021 | Last updated on August 8, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Three-decade-old Mikado 1540 stands with spanking new GP7 500 at Louisville & Nashville’s South Louisville Shops in 1951. Jack Fravert photo