Telecommunications and vehicle transportation are two important modes of interaction. Surface transportation delivered 3.2 trillion domestic passenger miles to the U.S. economy in 1989. The public switched telephone network delivered 2.5 trillion minutes of telecommunications connections. These two systems deliver transactional and relationship value to the American people at similar order-of-magnitude volumes if personal time is used as a common denominator for transportation volume and telecommunications volume. (3.2 trillion passenger miles at 30 mph equals 6.4 trillion passenger minutes. 2.5 trillion minutes in phone conversations between two people equals 5 trillion user minutes.)

Transportation and telecommunications will both continue to be key inputs to U.S. economic performance and quality of life, and both modes need continuing government attention to the design and implementation of public policies. Public policies for telecommunications and transportation need to overlap and be coordinated in light of how telecommunications and transportation interact. This chapter describes how government and civic leadership can respond to the interplay of the two modes.

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Telecommunications Infrastructure Policy
Cost of Transportation
How to Increase Telecommunications Substitution for Travel
Telecommunications Applications Beyond Telecommuting

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