Natural Tunnel is a massive naturally formed limestone cave located in the Natural Tunnel State Park near Duffield, Virginia. The 850 foot long, 80 foot tall and up to 200 foot wide tunnel was car... (more)
After being recrewed in Manville, CSX M421 slowly crawls southward on CSX's Trenton Subdivision. CSXT 3034 (ES44AH) was also providing power to move the train serving as a mid-train DPU.