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Sperry Rail Service (reporting mark SRSX) is a rail inspection company founded in 1928 by Elmer Ambrose Sperry. [1] The company was the first in the world to offer nondestructive testing of railroad tracks. Since its formation, Sperry has been contracted by most of the major railroads in North America to inspect rail. To accomplish this task ...
The first rail inspection cars were created by Dr. Sperry. Since then, many new models have rolled out. These rail inspection cars are basically their own train with inspection equipment on board. The probes and transducers are mounted on carriages located underneath the inspection car. Modern-day inspection cars now use multiple NDT methods.
Loram provides maintenance of way services to Class I and shortline railroads, rapid transit systems, and commuter rail systems [2] worldwide. [6] The Railway Supply Institute said in 2015 that Loram was "one of the leading suppliers of track maintenance machinery and services in North America and the global market". [2]
A track geometry car (also known as a track recording car) is an automated track inspection vehicle on a rail transport system used to test several parameters of the track geometry without obstructing normal railroad operations. Some of the parameters generally measured include position, curvature, alignment of the track, smoothness, and the ...
A train inspection system is one of various systems of inspection which are essential to maintain the safe running of rail transport. Because safety is of high importance when train cars move across the rails, there must be inspections. The cars are heavy and have moving parts that can break or become defective.
The Ohio Central Railroad System is a network of ten short line railroads operating in Ohio and western Pennsylvania. It is owned by Genesee & Wyoming . Headquartered in Coshocton, Ohio , the system operates 500 miles (800 km) of track divided among 10 subsidiary railroads.
A track crew in Louisiana adjusting a railroad track using lining bars, in 1939. The most fundamental maintenance of way task is the construction, repair, and replacement of the track and its supporting ballast and grade. In the early days of railroading, this task was almost entirely completed by manual labor.
About 700 railroads operate common carrier freight service in the United States. There are about 160,141 mi (257,722 km) of railroad track in the United States, nearly all standard gauge.
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