topic 1: Norfolk-Southern's desire to raise bridges over the railroad tracks in Northside's Allegheny Commons Park to allow double-stacked trains to run on those tracks. "
About 25 to 35 long trains have been rumbling through that 15-foot-deep cut each day for more than a century, but the railroad currently diverts all its double-decker runs to its tracks running along the southern side of the Monongahela.nRaising the bridges at West Ohio Street, North Avenue and Pennsylvania Avenue should shave two to three hours of transit time from the freight runs between New Jersey and Chicago, and allow it to run 15 to 25 more trains a day through the park, the railroad says."
two recent columns:
http://www.post-gazette.com/opinion/brian-oneill/2018/04/15/Norfolk-Southern-railroad-trains-Allegheny-Commons-North-Side-bridges/stories/201804150069
http://www.post-gazette.com/opinion/brian-oneill/2018/04/19/Taller-trains-higher-bridges-testy-neighbors/stories/201804190021