Interlocking towers, like Lima’s AY tower, were once a vital part of the country’s railroad network. The towers centralized a group of signals at a busy site — such as a junction or ...

Finally, the interlocking at Slateford Junction was added to the CTC machine in 1951, closing that tower. The Delaware, Lackawanna and Western railroad carried a significant amount of traffic ...

Welcome to the Stair Interlocking Tower, named in honor of late museum member Richard P. Stair, who used to work in such towers in a 42-year career with the Illinois Central Railroad. An ...

The Rosenberg Railroad Museum is pleased to have the only interlocking tower in the United States where visitors can operate the interlocking machine. Located on the second floor, the interlocker ...

The building was manned around the clock until the early 1960s, when rail traffic calmed considerably in York. Interlocking towers were common along the Pennsylvania Railroad. Think Loud bought ...

HAMMOND -- The city's Historical Preservation Committee is hoping an abandoned railroad switching tower on the north end of the downtown district can find a new home this year. There have been ...

Lenox Tower is a two-story brick building constructed in 1924. It sits alongside a Union Pacific railroad six miles northeast of Granite City and houses a device called an interlocking machine.

Known by its two-letter designation, PU, the railroad tower opened in October 1921 and contains an interlocking machine that once controlled signals and train movements. “Only a handful of the ...

The Pennsylvania Railroad built the tower during World War II next to an “interlocking” to help handle heavy rail traffic swelled by wartime-material production and troop travel, said Joe ...

18—The Haley Tower Historical & Technical Society, Inc., which operates the Wabash Valley Railroad Museum, recently announced it has begun restoration work on its historic interlocking tower and ...

It is officially called a “railroad interlocking,” but Tower 55 in downtown Fort Worth — site of one of the busiest rail intersections in the country — very well could have been called sim ...