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Model Description MAD Nave model Previous year's incident count 1.0 Mileage alone Modeled with negative binomial 1.0 PIPP rank...Excel | CSV
Hazardous Liquid pipelines Gas transmission pipelines ~ 300 operators ~ 900 operators ~ 50 large operators ~ 90 large operators ~ 350 accidents/year ~ 130 incidents/year...Excel | CSV
For hazardous liquid pipelines: For gas transmission pipelines: 1. Number of hazardous liquid pipeline accidents reported per mile of...NOTES: See text for explanation of diagonal line in each graph. PIPP = Pipeline...
by Rick Kowalewski, Pipeline and Hazardous Materials Safety Administration, and Peg Young, Ph.D., Bureau of Transportation Statistics
Federal safety agencies share a common problem—the need to...
July 2008 SR-009
Table of Contents File Formats Entire Report PDF(91KB) HTML(12KB) Tables ...Excel | CSV
2006 percent 95% CI (n=1,020) 2007 percent 95% CI (n=951) Total confidence 8.0 2.2% 6.4 1.8% Great deal of confidence 20.0 3.1% 17.4 2....Excel | CSV
2006 percent 95% CI (n=410) 2007 percent 95% CI (n=377) Much shorter 12.0 3.7% 7.7 3.3% Shorter 22.7 4.7% 29.9 5.7% As...Excel | CSV
Type of mode used Paid worker (%) 95% CI Volunteer worker (%) 95% CI 2007 Omnibus Household Survey n=528 n=81 Non-company vehicle, alone 81.5...Excel | CSV
Type of Mode Used Paid worker (%) 95% CI Volunteer worker (%) 95% CI 2006 Omnibus Household Survey n=591 n=98 Non-company vehicle, alone 78.4 4.1% 72...