Frameworks and Policy Applications in Freight and Passenger Transport
Edited by Joseph S. Szyliowicz, Luca Zamparini, Genserik L.L. Reniers and Dawna L. Rhoades
Chapter 14: Multimodal passenger transportation security in the United States
The U.S., like every other country, developed its transportation system along modal lines. First came roads and canals and ports, then the railroads and finally aviation. In recent decades, it became increasingly apparent that these systems could not cope with the increasing demands placed upon them by people and businesses, and that the existing system had created new problems of urban sprawl, pollution, and bottlenecks in cities and elsewhere that impeded individual mobility and economic development. Planners and others seeking to resolve these problems came to understand that a new paradigm for transportation was necessary, that the individual modes (road, rail, air, water) could no longer be managed separately and that transportation had to be viewed from a holistic perspective that recognized the interrelatedness of the modes and aimed to implement policies and projects that integrate the modes into a coherent system. Such an approach would have many potential benefits. It would minimize the negative aspects of the modal approach, including the dominance of the automobile, and the high social, environmental, and economic costs involved in running an un-integrated system. An integrative approach could minimize environmental impacts and the use of energy, offer more choices for personal and freight mobility, and promote sustainable development.
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