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Transportation Infrastructure in the US

Gilles Duranton, Geetika Nagpal, Matthew A. Turner


This chapter is a preliminary draft unless otherwise noted. It may not have been subjected to the formal review process of the NBER. This page will be updated as the chapter is revised.

Chapter in forthcoming NBER book Economics of Infrastructure Investment, Edward L. Glaeser and James M. Poterba, editors
Conference held November 15-16, 2019
Forthcoming from University of Chicago Press

Support for massive investments in transportation infrastructure, possibly with a change in the share of spending on transit, seems widespread. Such proposals are often motivated by the belief that our infrastructure is crumbling, that infrastructure causes economic growth, that current funding regimes disadvantage rural drivers at the expense of urban public transit, or that capacity expansions will reduce congestion. In fact, most us transportation infrastructure is not deteriorating and the existing scientific literature and does not show that infrastructure creates growth or reduces congestion. However, current annual expenditure on public transit buses exceeds that on interstate construction and maintenance.

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This chapter first appeared as NBER working paper w27254, Transportation Infrastructure in the US, Gilles Duranton, Geetika Nagpal, Matthew Turner
Commentary on this chapter: Comment, Stephen J. Redding
 
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