Rumors of its demise have been premature....until now? SEPTA - iseptaphilly.com 2308 is the sole remaining active ABB ALP-44, or perhaps was until yesterday. Seen here under the classic Pennsylvania Railroad signals in Ardmore, PA on Wednesday, August 15, 2018 on Train 1565, it was traveling the same tracks yesterday on what was reported to be its last trip. The Siemens built ACS-64s have been replacing the aging electric motor fleet over the summer, spelling the end to the AEM-7/ALP-44 era in the near future.