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This report documents NDT Corporation’s development of a non-destructive system for inspecting the internal condition of concrete crossties using sonic/ultrasonic impact velocity (IV) and impact echo (IE) measurements. The system, developed at NDT’s facility and tested on numerous railroads in the...
On August 17, 2018, the Advisory Council on Historic Preservation (ACHP) approved the final Program Comment to Exempt Consideration of Effects to Rail Properties Within Rail Rights-of-Way (Program Comment), as required by Section 11504 of the Fixing America’s Surface Transportation Act. The...
In the current environment of downsizing, mergers, acquisitions, and consolidations within the Class I freight railroad industry, the Federal Railroad Administration was interested reviewing selected Class I railroads to ascertain the present status of the cultural environment at those railroads....