Abstract
A transport economic model was developed to evaluate changes in total travel costs on congested toll roads by dispersing peak-hour traffic to the pre-peak hours or post-peak hours with a toll discount. To empirically analyze the effectiveness of the early-morning and daytime toll discount, early departure cost and late arrival cost were estimated and traffic data of Metropolitan Expressway Route 3 was assigned. The result shows that an early-morning toll discount, shifting the peak-hour traffic to the pre-peak hours, produces a long-lasting effect of congestion mitigation starting from the peak-hours. It is empirically presented that an early-morning toll discount is effective in cutting travel costs.













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Acknowledgements
The authors would like to express their deepest gratitude and appreciation to Professor Kenzo Takeuchi of Tokyo Women’s Christian University and Associate Professor Hiroyuki Oneyama of Tokyo Metropolitan University for their valuable advice that proved instrumental in the success of this research study. Special thanks are also to be extended to the Metropolitan Expressway Company for providing the necessary traffic data vital to this study.
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Imanishi, Y., Nemoto, T. & Kono, K. Effect of Off-peak Hour Toll Reduction on Toll Roads. Int. J. ITS Res. 9, 12–22 (2011). https://doi.org/10.1007/s13177-010-0024-7
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DOI: https://doi.org/10.1007/s13177-010-0024-7