The PRR-era catenary remains and currently maintained by Amtrak as part of their 25 Hz traction power system, as it powers both the Northeast and Keystone Corridors, except for the ex-PRR/Penn Central lines electrified prior to 1925, generated by the Safe Harbor Dam located near York, Pennsylvania.
The PRR-era catenary continues to be maintained by Amtrak as part of their 25 Hz traction power system, powering both the Northeast and Keystone Corridors. It excludes lines that were electrified before 1925 by the Safe Harbor Dam near York, Pennsylvania.