Fast Mail at Chicago Union Station By Angela Cotey | November 4, 2024 | Last updated on August 7, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Workers at Chicago Union Station load mail aboard Burlington Route train 29 — the Fast Mail — prior to its 9 p.m. departure for Omaha in early 1964. John Gruber photo