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Acknowledgments US Department of Transportation - BTS

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Table 1-31: Condition <strong>of</strong> Rail Transit Infrastructure (Percent)1995 1997 2000 (R) 2002 (R) 2004 (R) 2006StationsExcellent 14.0 11.0 1.0 3.0 7.0 12.7Good 47.0 46.0 33.0 22.0 28.0 12.2Adequate 12.0 15.0 50.0 18.0 14.0 40.8Substandard 12.0 13.0 16.0 26.0 51.0 31.3Poor 15.0 15.0 0.0 30.0 0.0 3.0Communication SystemsExcellent N 0.0 0.0 7.4 12.1 14.0Good N 61.0 62.0 68.6 62.7 30.5Adequate N 16.0 12.1 9.7 25.2 54.8Substandard N 12.0 14.0 6.0 0.0 0.6Poor N 10.0 11.9 8.3 0.0 0.0Train Control SystemsExcellent N 9.0 7.2 5.5 0.3 2.2Good N 52.0 56.0 65.9 44.6 37.0Adequate N 16.0 16.9 11.1 29.0 41.0Substandard N 11.0 10.3 9.7 14.1 14.4Poor N 13.0 9.5 7.8 12.0 5.5Traction Power SystemsExcellent N 25.0 20.7 37.0 7.6 7.0Good N 44.0 54.5 45.0 46.5 35.0Adequate N 10.0 10.6 10.8 44.5 46.5Substandard N 7.0 6.9 2.9 1.4 7.2Poor N 14.0 7.3 4.2 0.0 4.2Revenue Collection SystemsExcellent N 27.0 29.5 33.5 25.8 28.9Good N 33.0 31.0 56.4 53.7 30.0Adequate N 18.0 17.6 2.4 9.5 10.7Substandard N 10.0 18.1 6.9 8.0 8.8Poor N 12.0 3.8 0.8 3.0 21.5Elevated structuresExcellent 1.0 0.0 2.0 5.1 3.1 4.6Good 56.0 59.0 59.0 82.8 77.2 68.5Adequate 16.0 12.0 16.0 2.5 4.1 11.7Substandard 20.0 29.0 22.0 7.3 13.9 7.9Poor 7.0 1.0 2.0 2.3 1.7 7.3Underground tunnelsExcellent 9.0 7.0 12.0 34.2 26.4 18.2Good 59.0 47.0 46.0 36.7 48.2 41.1Adequate 13.0 18.0 19.0 13.0 12.4 10.5Substandard 11.0 19.0 11.0 8.6 5.6 15.4Poor 7.0 9.0 12.0 7.5 7.4 14.8KEY: N = data do not exist; R = revised.NOTEPercents may not add to 100 due to rounding.SOURCEU.S. <strong>Department</strong> <strong>of</strong> <strong>Transportation</strong>, Federal Transit Administration, Status <strong>of</strong> the Nation's Highways, Bridges and Transit: Conditions andPerformance (Washington, DC: Biennial Issues), tables 3-35 and 3-36, available at http://www.fhwa.dot.gov/pubstats.html as <strong>of</strong> June 25,2010.

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