OPTIMAL DIVERSION STRATEGIES FOR MODIFIED URBAN NETWORK. FINAL PROJECT REPORT. PHASE ONE
The objects of the research are to develop models and/or techniques for developing efficient diversion strategies in the event of blockage of portion of and urban network due to congestion-causing events, and to develop computer programs for real-time implementation of diversion strategies. To achieve this, a two-pronged research approach is being adopted. In the first approach, namely, the user-optimal approach, the basis of diversion is to re-route the motorists through the best alternate paths to their destination. In the second approach, namely, the system optimal approach, attempt is made to effect diversions to optimize the utility of system facility. The report centers on the user-optimal approach, where information on traveller destinations is a key to effective and efficient diversions. After reviewing state-of-the-art systems far traffic management, a mathematical model is developed to estimate traveller destinations, utilizing link traffic volumes. It is based on linear programming approach, employing the efficient column generation technique. Model testing, evaluation, and comparison with other models of similar function are presented.
- See also PB92-104686. Sponsored by Mid-Atlantic Universities Transportation Center, University Park, PA, and Department of Transportation, Washington, DC, University Transportation Centers Program.
Virginia Polytechnic Institute and State University, BlacksburgDepartment of Agronomy
Blacksburg, VA United States 24061
- Hobeika, A G
- Sherali, W A
- Sivanandan, R
- Akundi, B
- Publication Date: 1989-7
- Pagination: 106 p.
- TRT Terms: Mathematical models; Real time control; Simulation; Traffic congestion; Tunnels; Urban transportation
- Uncontrolled Terms: Congestion
- Old TRIS Terms: Diversion tunnels; Real-time systems
- Subject Areas: Bridges and other structures; Planning and Forecasting; Public Transportation;
- Accession Number: 00623138
- Record Type: Publication
- Source Agency: National Technical Information Service
- Files: TRIS
- Created Date: Jul 31 1992 12:00AM