Cant Excess for Freight Train Operations on Shared Track
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2020-02-01
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Edition:Technical Report, March-Dec., 2015
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Abstract:Transportation Technology Center, Inc., with Federal Railroad Administration support, conducted a study to review and summarize current practices and issues related to shared operations—particularly freight train operations on curves with cant excess. Shared-track curve design requires a compromise between higher-speed passenger and lower-speed freight operations. Significant superelevation helps passenger trains operate at higher speeds, but it causes deterioration on rail, ties, and surface condition due to freight operations at substantially lower speeds. To develop best practice for such shared operations, future research is recommended in this report.
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