Chapter
May 14, 2014
A Metamodeling Technique for Exploring the Correlation between Mobility and Environmental Factors at Signalized Intersections
Publication: Sustainable Development of Critical Infrastructure
Abstract
Given the limitations of built-in emission estimation modules within current traffic simulations and signal optimization tools, this study aims to explore how the environmental impacts of transport are related to mobility measurements at signalized intersections based on high-fidelity simulation. The metamodeling-based method - involving experimental design, high-fidelity simulations, and multivariate regression analysis - is developed in this paper. The high-fidelity simulations - from microscopic traffic modeling and emerging emission estimator - provide the flexibility of utilizing various intersection types, vehicle types, and other characteristics such as drivers' behaviors, fuel types and meteorological factors. The multivariate multiple regression analysis provides large gains in expected prediction accuracy by taking the correlations between the response variables into account. The case studies demonstrate the operability of the proposed methodology and also set up the base for extensive application of simulation optimization to sustainable traffic operations and management.
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Copyright
© 2014 American Society of Civil Engineers.
History
Published online: May 14, 2014
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ASCE Technical Topics:
- Analysis (by type)
- Business management
- Correlation
- Decision making
- Decision support systems
- Engineering fundamentals
- Highway and road management
- Highway transportation
- Highways and roads
- Infrastructure
- Intersections
- Mathematics
- Models (by type)
- Optimization models
- Practice and Profession
- Regression analysis
- Simulation models
- Statistical analysis (by type)
- Statistics
- Traffic engineering
- Traffic management
- Traffic models
- Traffic signals
- Transportation engineering
Authors
Affiliations
Department of Civil and Environmental Engineering, University of South Florida, 4202 E. Fowler Ave., ENB 118, Tampa, FL 33620. E-mail: [email protected]
Department of Civil and Environmental Engineering, University of South Florida, 4202 E. Fowler Ave., ENB 118, Tampa, FL 33620. E-mail: [email protected]
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