Profile in Technology. Working outside of their usual territory, two Union Pacific Tier 4 units--SD70AH to UP, SD70ACe-T4 for most other lines--lead the daily intermodal train from Atlanta... (more)
Modern Visitors. In a unique lashups, two Union Pacific Tier 4 SD70s lead an intermodal through Columbia on the way to the port in Charleston, SC. I understand that these two T4 units arri... (more)