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Emission modeling at toll plaza under mixed traffic condition using simulation.
Chintaman Bari1, Ajay Gangwal1, Ziauddin Rahimi1
1Department of Civil Engineering, Sardar Vallabhbhai National Institute of Technology, Surat, 395007, India.
Environmental Monitoring and Assessment
|June 2, 2023
Summary
This study introduces emission-based dynamic toll rates (EBTR) for mixed traffic toll plazas. It develops equations to easily estimate emissions, aiding congestion mitigation in developing countries.
Area of Science:
- Environmental Science
- Transportation Engineering
- Traffic Management
Background:
- Mixed traffic conditions in toll lanes cause significant congestion, leading to increased delays and emissions.
- Current methods for determining emission levels are time-consuming and impractical for field application.
- Dynamic toll pricing is effective in developed nations but largely unapplied in developing countries for congestion management.
Purpose of the Study:
- To establish dynamic toll rates based on emissions at toll plazas with mixed traffic.
- To develop practical equations for estimating vehicle emissions based on traffic composition and volume.
- To address the gap in implementing dynamic tolling strategies in developing countries.
Main Methods:
- Simulation analysis was performed to assess sensitivity to traffic composition and approach volume.
- Emission estimation equations were derived using traffic composition and approach volume data.
- A methodology was developed to formulate emission-based toll rates (EBTR).
Main Results:
- Developed predictive equations for estimating emissions under mixed traffic conditions.
- Demonstrated the feasibility of dynamic toll rates linked to emission levels.
- Provided a framework for implementing emission-based tolling in developing economies.
Conclusions:
- The developed emission estimation equations offer a simplified field method for assessing pollution.
- Emission-based dynamic toll rates can be a viable strategy for mitigating congestion and reducing emissions at toll plazas.
- This research provides a foundation for adopting advanced traffic management techniques in developing countries.
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