Optimization of Transportation Infrastructure System Performance with Autonomous Maintenance Technology in Work Zones
| 项目名称： | Optimization of Transportation Infrastructure System Performance with Autonomous Maintenance Technology in Work Zones |
| 摘要： | Work zones maintenance are essential to the efficiency and safety of transportation infrastructure system. A recent technology named autonomous maintenance technology (AMT) is gaining rapid attention to eliminate fatalities of Department of Transportation (DOT) employees in work zones. Traffic flow will redistribute in the network once the link performance function (LPF) is updated after maintenance, and thus the equilibrium travel time (ETT) will change accordingly. In an extreme example, Braess’s paradox, i.e. adding or improving one roadway segment may actually lead to a worse traffic condition, may be observed. This project aims to support DOT decision-makers to determine which road segment to prioritize for maintenance, with the goal of maximizing transportation system performance. To this end, a user equilibrium (UE) model will be developed to quantify the impact of roadway segment maintenance. A bush-based algorithm will be developed to solve the UE traffic assignment. Sensitivity analysis will then be conducted to compute the marginal cost of ETT. Last but not the least, maintenance priority will be suggested to DOT to avoid the Braess’s paradox and maximize the transportation infrastructure system performance. |
| 状态： | Active |
| 资金： | 170000 |
| 资助组织： | Office of the Assistant Secretary for Research and Technology |
| 项目负责人： | Stearns, Amy |
| 执行机构： | Missouri University of Science & Technology, Rolla |
| 开始时间： | 20210101 |
| 预计完成日期： | 20220630 |
| 主题领域： | Data and Information Technology；Highways；Maintenance and Preservation；Operations and Traffic Management；Planning and Forecasting；Safety and Human Factors |
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