a position he served in for six years, during which he directed many improvements to the line and facilities, sometimes working with the company architect, Frank J. Nies.
In place of the wide-span balloon roofs used at major terminals up to that time, Bush developed and patented a modular style of train shed known as Bush-style sheds, constructed of cast iron, steel and concrete, incorporating a vent over the tracks to allow steam and smoke to escape and skylights over the passenger platforms for illumination.
[3] Bush sheds were cheaper and easier to construct than balloon roofs, and were adopted for use at several major terminals in the years immediately following.
[4] Bush led planning of the Lackawanna Cut-Off, a huge project to eliminate curves, hills, and grade crossings, although construction was completed after he left the railroad.
During World War I he served in the construction division of the Army Quartermaster Corps as a Colonel, and designed ports, warehouses, arsenals, and other structures.