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Scott M. Dennis
AbstractTon-miles (one ton of freight shipped one mile) is the primary physical measure of freight transportation output. This paper describes improved measurements of ton-miles for air, truck, rail, water, and pipeline modes...
Scott M. Dennis August 2004 2004-002-OAS
Table of Contents File Formats Entire Report PDF (66KB) HTML...(weighted percent, standard error, sample size)
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Disabled Non-disabled <25 25-64 65+ <25 25-64 65+ Problems experienced 36.772 34.207 28.632 15.985 27.946...(weighted percent, standard error, sample size)
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Disabled Non-disabled <25 25-64 65+ <25 25-64 65+ Problems experienced 37.423 59.566 49.842 32.217 52.451 41...(weighted percent, standard error, sample size)
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Days leave home per week Disabled Non-disabled <25 25-64 65+ <25 25-64 65+ At airports 37.423 59.566 49....(weighted percent, standard error, sample size)
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Type of Transportation Disabled Non-disabled <25 25-64 65+ <25 25-64 65+ Personal motor vehicle as a...(weighted percent, standard error, sample size)
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Disabled Non-disabled <25 25-64 65+ <25 25-64 65+ Yes 62.221 62.502 53.375 70.879 81.748 69.317 4.890 2.126 2....(weighted percent, standard error, sample size)
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Disabled Non-disabled <25 25-64 65+ <25 25-64 65+ Problems experienced 44.499 56.623 30.739 30.669 43.436...(weighted percent, standard error, sample size)
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Disabled Non-disabled <25 25-64 65+ <25 25-64 65+ As a walker 44.499 56.623 30.739 30.669 43.436 21.966...(weighted percent, standard error, sample size)
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Disabled Non-disabled <25 25-64 65+ <25 25-64 65+ Personal motor vehicle as a driver 23.840 59.359...