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Latest releases

New Functionality in VISSIM 5.10

We are pleased to be able to present to you the VISSIM 5.10 release with helpful new functions and improvements.

These are the highlights:

• The implementation of multi-threading making VISSIM faster on multiprocessor and multicore computers.
• VISSIM 5.10 offers a user-defined pricing and decision model for modeling toll roads.
• The graphical signal time display was implemented. You can find it in the newly designed signal time plan editor for fixed-time control.

An outstanding innovation is the new add-on module for pedestrian simulation, which is available now. More information can be found here:

Additional functions can be found here:

• Additional parameters for conflict areas:
  - Gaps and the factor safety distance can be specified vehicle class dependent
  - Additional stop line distance (for vehicles giving way)
  - Optional adherence to the adjacent lane (giving way to lane-changing vehicles)
  - Optional adherence to routes (of vehicles giving way, which take a turn upstream before reaching the conflict area)
  - Avoid blocking of the conflict area: The specified percentage of the prioritised vehicle checks if there is sufficient space for each vehicle length downstream of the crossing conflict area. Otherwise, the prioritised vehicles will not enter the conflict area.
  
• Lane change prohibition dependent on lanes, directions (left/right) and vehicle class
• Connection to the signal control methods LISA+ OMTEC and RBC (Ring Barrier Controller)

Furthermore, numerous improvements make it more user-friendly.

Let yourself be surprised!

Brand-new: Realistic pedestrian simulation

For the first time ever, pedestrian simulation and vehicle simulation have been combined in one software program which is based on the Social Force Model by Prof. Dirk Helbing, 1995, Technical University of Dresden (now Federal Institute of Technology Zurich). The new module for VISSIM - the worldwide leading traffic simulation software – will be presented for the first time at Intertraffic 2008. This new module provides a professional, realistic model of pedestrian behaviour patterns. We have put together packages at different prices that meet different budgets and needs.

Learn more about the new Realistic pedestrian simulation

EnViver helps make traffic cleaner

More roads, better flow and less harmful emission at the same time. PTV has now teamed up with the Dutch national research institution TNO to provide the software package EnViver, (Environmental Vissim-Versit+ simulations). EnViver incorporates TNO’s microscopic exhaust gas emission model VERSIT+, which is now available as an add-on module for VISSIM.

With the emissions of around 2,800 cars measured in various conditions, TNO was able to incorporate the data acquired to facilitate the development of the TNO Versit+ emission model. VISSIM with its realistic model of the behaviour of individual vehicles provides the necessary level of detail for the vehicle movement information. By linking the emission data of the TNO model with the simulated traffic behaviour of VISSIM, it was possible to create the EnViver software that can incorporate any kind of traffic situation and determine or predict exactly the level of harmful emission. For instance, with the introduction of a new motorway exit lane, a roundabout or a traffic light.

By making the impact of a traffic measure on exhaust emissions clearly visible, on a chart, for example, the government and road authorities can decide more easily whether to expand the road network or use it more efficiently. The computer model reviews all the consequences so the government can use hard environmental figures to tackle traffic flow, especially with an eye to the environmental lobby.

We are convinced that this model can be implemented successfully and help safeguard sustainable mobility.