The National Transportation Safety Board says in a preliminary report released Tuesday that the operator had reported slippery rail conditions that caused his SEPTA train to miss an earlier station.
RAW VIDEO: Dozens hurt after SEPTA trains collide
The Norristown High Speed train crashed into the unoccupied train car at the 69th Street Terminal in Upper Darby on Aug. 22.
The crash sent the operator and dozens of passengers to hospitals.
The operator slid past the platform at the Gulph Mills station, near the other end of the line, and reported slippery rails.
But SEPTA officials said it received no other such reports.
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