Transportation in America's Future:Potentials for the Next Half Century. Part 1. Societal Context.

摘要

The report describes four potential socioeconomic futures for the United States and their implications for transportation through 2025. The futures--designated Success, Foul Weather, Disciplined Society,and Transformation--vary particularly in economic performance,climate,institutional structure,and personal values. For each future,Part 1provides a detailed narrative account or scenario,accompanied by separate analyses of the energy,demographic,economic,and urban implications of each scenario. Part 2provides demand forecasts for most modes;technology forecasts for twelve transportation modes and seven specific systems or technologies;and analyses of six critical transportation problems.