They were rebuilt by Norfolk Southern at its Juniata Ships in Altoona, Pa., in 2004-2005, emerging with a GP38H-3 and retaining their 520-series numbers. Amtrak also rostered 15 classic GP40 units ...

Since a fiery derailment prompted a torrent of public outcry and negative headlines, Norfolk Southern says it has transformed the way safety fits into its business model.