Decline of Overinvested Transportation Networks
This study explores the decline of overinvested transportation networks. A degeneration model is developed to simulate the dynamics of a transportation network as an iterative process incorporating exogenous input, degeneration, land use dynamics, travel demand dynamics, and investment. The degeneration model enables the measurement of network performance including the cumulative change of social welfare and accessibility throughout the degeneration of a network. Experiments examine when the optimal network will be obtained under certain degeneration criteria, and compare the economic efficiencies achieved under different criteria. The results reveal how the economic efficiency of a network changes during the degeneration process and suggest how an efficient degenerated network can be obtained from a pre-specified overinvested infrastructure. Experimental results also imply that the optimal network topology derived in the experiments has some insensitivity to different degeneration criteria specified in the degeneration model.
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Corporate Authors:
500 Fifth Street, NW
Washington, DC United States 20001 -
Authors:
- Levinson, David Matthew
- Xie, Feng
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Conference:
- Transportation Research Board 85th Annual Meeting
- Location: Washington DC, United States
- Date: 2006-1-22 to 2006-1-26
- Date: 2006
Language
- English
Media Info
- Media Type: CD-ROM
- Features: Figures; References; Tables;
- Pagination: 31p
- Monograph Title: TRB 85th Annual Meeting Compendium of Papers CD-ROM
Subject/Index Terms
- TRT Terms: Economic efficiency; Life cycle analysis; Mathematical models; Network analysis; Network nodes; Networks; Simulation; Socioeconomic factors; Travel demand
- Subject Areas: Economics; Highways; Planning and Forecasting; Society; I21: Planning of Transport Infrastructure;
Filing Info
- Accession Number: 01025649
- Record Type: Publication
- Report/Paper Numbers: 06-0760
- Files: BTRIS, TRIS, TRB
- Created Date: Jun 8 2006 11:26AM