Figure 2: Access at Ferry Terminals as Self-Reported by Operators

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Figure 2: Access at Ferry Terminals as Self-Reported by Operators

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NOTE: Access to transportation modes and facilities was defined by each operator. Access is unknown for 1 of the 640 terminals (0.2%).

Figure 1: Ferry Route-Miles by State, 2005

NOTE: Access to transportation modes and facilities was defined by each operator. Access is unknown for 1 of the 640 terminals (0.2%).

SOURCE: U.S. Department of Transportation, Research...

Highlights of the 2006 National Census of Ferry Operators

by Elizabeth Roberto

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Ferries perform valuable functions in our nation’s transportation system. They provide a vital link across many of the nation’s waterways and, in some cases, present drivers with an...

BTS Special Report: Data-Driven Risk Models Could Help Target Pipeline Safety Inspections

July 2008 SR-010

Table 4: Significant Variables in the Inherent Risk Models for Gas Transmission and Hazardous Liquid Pipelines

(negative sign indicates a negative correlation with risk)

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Table 3: Comparison of Model Results using Mean Absolute Deviation for Hazardous Liquid Pipelines

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Table 2: Liquid v. Transmission Systems Characteristics

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Table 1: Pipeline Inspection Prioritization Program Variables for Hazardous Liquid and Gas Transmission Pipelines

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Figure 1: Predicted Incidents v. Actual Incidents for Four Different Models in Each Pipeline Sector

NOTES: See text for explanation of diagonal line in each graph. PIPP = Pipeline...