Two weeks ago I mentioned the wreck in the Park Avenue Tunnel in 1902, and how it led to electric service on the rails. Another thing the accident achieved was the replacement of the old Grand Central Depot. The old Depot at the time was serving a lot more trains than it could really handle. Trains often had to wait in order to enter the train shed. The one train involved in the wreck was waiting in the tunnel, when the train behind missed several signals and ended up crashing into it. The new Grand Central Terminal, with its two...