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General

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Chapter 8 Energy and Environment

FIGURE 8-1 U.S. Energy Use by Sector: 2012 FIGURE 8-2 Transportation Energy Use by Energy Source: 1950-2012 FIGURE 8-3 Energy Use by Mode of Transportation: 2011 TABLE 8-1 Transportation Energy Use by Mode: 2011 FIGURE 8-4 Transportation-Related Greenhouse Gas Emissions: 2011 FIGURE 8-5...

BOX 7-B Position, Navigation, and Timing Technology

Global Positioning Systems (GPSs) provides positioning, navigation, and timing services that are widely used in all modes of transportation. GPS helps prevent transportation accidents, aids search and rescue efforts, and speeds the dispatch of emergency services [NCO 2013]. Satellite-based...

BOX 7-A Confidential Close Call Reporting System

The Confidential Close Call Reporting System (C3RS) is intended to improve rail and transit safety by studying near-miss incidents and unsafe situations, identifying their root causes, and developing preventative measures or corrective actions. It is hoped that this reporting program will...