Project of four tracking and grade separation, known as Pittsburgh Northside improvements, recently carried forward by Pennsylvania railway in order to provide two tracks for operation as a through line for east and westbound traffic around Pittsburgh. Notes on how work was carried out.
Pennsylvania completes new four-track work
Ry. Age
Railway Age ; 77 , n 1
1924
5 pages
9 Figs.
Article (Journal)
English
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