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This report presented the results of a comprehensive study regarding the development of a probability model for occurrence of track geometry defects as a function of key subgrade parameters, measured by Ground Penetrating Radar (GPR). The analysis used multiple track geometry runs and the...
Guidelines, including recommendations for sample size, are needed in the design of track inspection technology evaluation tests. This report provides and overview of recommended methods for evaluating the effectiveness of different types of track inspection systems. These methods produce...
The FRA announces that it has revised its Procedures for Considering Environmental Impacts to update or eliminate outdated references to programs or statutory authorities that have been revised or that no longer exist, to correct inconsistencies with the ...
The Mississippi Department of Transportation (MDOT), in coordination with Federal Railroad Administration (FRA), and the Hancock County Ports and Harbor Commission (HCPHC) has prepared this final environmental impact statement (FEIS) for the proposed Project. The proposed Project includes new...