United States Department of Transportation
i
Heavy Axle Study: Impact of Higher Rail Car Weight Limits on Short-Line Railroads: Volume I: Final Report
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2002-01-01
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[PDF-6.75 MB]
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Edition:Final Report
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Abstract:The current Class 1 railroad trend is beginning to require that short-line railroads accept heavy axle cars beyond the previous standard 263,000-lb gross car weight. Given the nature of the short-line railroad infrastructure in Pennsylvania, these heavier cars are expected to be met under-capacity of both track structures and bridge structures. The economics of short-line railroads are such that it is important that Class 1 railroads be able to meet this new demand; therefore, the present study has been undertaken to begin the statewide assessment of the short-line railroad ability to support heavier loads. In the economic interest of the Commonwealth of Pennsylvania, the present study was funded to estimate the cost for a statewide upgrade of the short-line infrastructure to accommodate the 315,000-lb and 286,000-lb gross car weights. This project investigated the infrastructure of short-line railroads to safely support 315,000-lb and 286,000-lb gross car weights through a bridge statistical sampling scheme and a track survey.
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