
Interlocking towers were constructed by railroads to control and manage junctions and crossings to prevent accidents. Often, this was where several railroads met. It’s hard to imagine where four different…
Interlocking towers were constructed by railroads to control and manage junctions and crossings to prevent accidents. Often, this was where several railroads met. It’s hard to imagine where four different…
On May 10, 1869 a ceremonial golden spike was driven at Promontory, Utah signifying the completion of the first North American transcontinental railroad. The Central Pacific building from Sacramento in the…