This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Amtk Keystone Corr signals . Amtrak Philadelphia to Harrisburg Main Line part of the Keystone Corridor east of Lancaster Pennsylvania Looking eastbound toward Philadelphia Signals were converted from Pennsylvania Railroad PRR position lights singlecolor Own Caseyjonz Amtrak signals Color position light signals Lancaster County Pennsylvania