In 1972 and 1973, the Union Railroad purchased nine SW1500 locomotives from EMD. One third of them, 7, 3 and 4, were sitting outside of the railroad’s Hall Shops in Monroeville, Pennsylvania, on ... (more)

A five pack of blue URR MP15's leads a coke train out of the plant in Clairton, Pennsylvania.

A Union Railroad slab train crosses the Monongahela River Bridge at Duquesne.

Three MP15’s battle Bull Run with a fresh load of slabs out of Edgar Thomson bound for the Irvin Works upstream in the Mon Valley.

Gone for good. I'm told this is a survey marker, defining the end of the Union Railroad and beginning of the Pennsylvania Railroad. It sat tucked cramped between a catenary pole and bridge... (more)

The blast furnaces at US Steel's Edgar Thomson Works are always hungry. Running around the clock they survive on a steady diet of iron ore, and the Union has another load of ore to feed the beasts... (more)

A fresh load of slabs out of Edgar Thomson Works is on the roll out of the plant. The slabs are destined for the Irvin Works located a few miles up the Monongahela River in Dravosburg. There the s... (more)

A UP SD70M brings the EC-5 south.

Light snow covers the southwestern Pennsylvania area as a Union Railroad ore train utilizes the High Grade Bridge as it approaches USX's Edgar Thompson Works. The gons in the foreground reside on ... (more)

It's Pronounced Duːkeɪn (or "Doo-Cane")

A Union Railroad empty steel slab train passes through the railroad's Duquesne Yard in, of all places, Duquesne, Pennsylva... (more)

A southbound Union Railroad consist rolls over one of the massive bridges in Turtle Creek approaching East Pittsburgh.

In 1936–1939 Baldwin Locomotive Works built nine 0-10-2 steam locomotives for the Union Railroad. Since these were the only locomotives ever built in the United States to this wheel arrangement of... (more)

In 1936–1939 Baldwin Locomotive Works built nine 0-10-2 steam locomotives for the Union Railroad. Since these were the only locomotives ever built in the United States to this wheel arrangement of... (more)

In 1936–1939 Baldwin Locomotive Works built nine 0-10-2 steam locomotives for the Union Railroad. Since these were the only locomotives ever built in the United States to this wheel arrangement of... (more)

Bringing up the rear of a southbound Union Railroad loaded ore train is URR caboose number 101 at milepost 2 along the North Bessemer Branch in Penn Hills, PA.