Abstract

http://ssrn.com/abstract=2303907
 


 



Managing Autonomous Transportation Demand


Bryant Walker Smith


University of South Carolina - School of Law; Stanford Law School

December 19, 2012

Santa Clara Law Review, Vol. 52, No. 4, December 2012

Abstract:     
“Today we are well underway to a solution of the traffic problem.” This claim, made by Robert Moses in 1948, is as true today as it was then. Which is to say, not at all. In the middle of the last century, the preferred solution to “the traffic problem” was more cement: new highways, bridges, and lanes. Today, the sensible solution includes more sensors and better computers: highly automated vehicles that use existing roadways and roadway networks much more efficiently. This automation, we are told, will make vehicular congestion a “thing of the past.” As in the past, however, this prediction presumes that more capacity necessarily means less congestion. Today’s transportation planners recognize that the relationship between these two concepts is much more complex.

This Article argues that automation could significantly increase motor vehicle travel and that this increase could have important consequences for the physical and legal infrastructures in which tomorrow’s vehicles will operate. The next part discusses four key traffic engineering concepts: vehicle miles traveled (VMT), capacity, demand, and the time-cost of travel. Part II explains why automation could increase VMT and then shows how this increase could undermine some of the claims made with respect to congestion and emissions. Part III identifies the potential effects of increased VMT on rural and urban land use and argues that the law can help manage these effects by better internalizing the costs and benefits of motor vehicle travel. Part IV offers preliminary recommendations.

A more cautious appraisal of these likely costs and benefits in no way diminishes the immense value of the coming transportation revolution. All transportation and communication innovations — whether cars, carriages, canals, or cables — have involved great uncertainty. Innovation invites speculation.

Number of Pages in PDF File: 23

Keywords: vehicle automation, autonomous driving, autonomous vehicles, automated vehicles, transportation demand management, land use, traffic modeling, sprawl, VMT tax

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Date posted: July 31, 2013  

Suggested Citation

Smith, Bryant Walker, Managing Autonomous Transportation Demand (December 19, 2012). Santa Clara Law Review, Vol. 52, No. 4, December 2012. Available at SSRN: http://ssrn.com/abstract=2303907

Contact Information

Bryant Walker Smith (Contact Author)
University of South Carolina - School of Law ( email )
Main & Greene Streets
Columbia, SC 29208
United States
Stanford Law School ( email )
559 Nathan Abbott Way
Stanford, CA 94305-8610
United States
HOME PAGE: http://cyberlaw.stanford.edu/bws
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