As we all know, AEM-7's dressed in Amtrak livery are now museum pieces. It seems that AEM-7's are now comparable to the famed GG-1's. Both served the same lines, pulled the same trains, and did their job quickly and efficiently.
But Amtrak wasn't the only passenger carrier to use AEM-7's, give or take. MARC, SEPTA, and NJ Transit, used AEM-7's, or at least a similar type of locomotive, designed to suit commuter service.
Are any of those locomotives still operational?