MAGISTER

Advanced Model for Integrated Management of Transportation Systems for Network Operations

Contact: Habib HAJ SALEM.

Summary Description and Objectives of the Software

MAGISTER is a dynamic traffic modeling platform that includes several types of traffic models (LWR: classic first-order, LWR_ACB: first-order with bounded acceleration, METACOR: first-order + second-order, ARZ: second-order, GSOM: generic second-order models; two-dimensional model for very large networks, Hybrid: Macro and Microscopic). This platform builds on research and development conducted at IFSTTAR/GRETTIA since 1986. It allows for the simultaneous testing and comparison of simulation results from multiple models and, in particular, provides a common framework for development and use.

A more detailed overview of the features

The MAGISTER platform features a user-friendly graphical interface for data entry, simulation, and visualization of the output from simulated network models. Algorithms for automatic parameter calibration are built into the platform. By feeding the selected model with real-world data, these optimization algorithms enable the identification of model parameters

In addition to network simulation, control strategies are integrated into MAGISTER. These include highway access control, highway-to-highway access control, user guidance, and highway speed control—in particular, the OASIS strategy, which simultaneously integrates speed control, access control, and collective user guidance. The generated control is based on nonlinear optimization.

At the end of each simulation session, the user receives an ASCII file containing the following evaluation criteria:

• travel time per trip in seconds;
• waiting time at origins (TWT);
• total time spent (TTS = TTT+TWT)(vehicles-hours*hours);
• total distance traveled (vehicles-hours*kilometers);
• fuel consumption and emissions;
• cumulative accident risk indicator on the highway section.

Examples of applications:

• European projects DACCORD (1994–1998) and EURAMP (2005–2008).
• 2008: the eastern motorway network of the Île-de-France region, covering 250 km of motorway and including the A1Y, A86I, A86E, A3W, A3Y, A4W, A4Y, and A6b. The objective of this study is to evaluate generalized access control on the Ile-de-France motorway network.
• 2014: DIR Nord: Simulation-based evaluation of the impact of access control on the A25.