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Traffic Prediction

Our subsidiary Aimsun provides reliable traffic forecasts.

Aimsun is an industry leader in behaviour-based traffic simulation, with over 25 years of expertise in traffic modelling software and services. Aimsun’s fully integrated software solutions complement the Yunex Traffic portfolio, enabling strategic transport planning and real-time mobility management by simulating future traffic flows. From design and implementation through to day-to-day operations, traffic engineers and operators can rely on industry-leading tools and services for the planning, data provision, management and operation of their traffic control systems.

Aimsun Next

Comprehensive traffic modelling.

The Aimsun Next software helps cities develop transport models that can be used to design, plan and deliver transport solutions: from the smallest junction improvement to region-wide infrastructure and land use developments.

Fully integrated modelling of all road users.

Aimsun Next is a unique software that offers fully integrated modelling, which sets it apart from other similar software solutions. The latest version is able to model pedestrians, cyclists and public transport use. Aimsun Next is also used for scenario testing and management prior to special events such as the Toronto Games, or to provide cities such as Singapore with a mesoscopic simulation of the entire city.

Improved modelling through machine learning.

Aimsun Next provides a comprehensive and unique modelling solution for transport and mobility planning. Features such as fully integrated modelling, scenario testing and management, mesoscopic simulation and machine learning make it a versatile and valuable tool for urban planners, transport engineers and policy makers.

Highlights of Aimsun Next.

Aimsun Next can simulate entire cities much faster than real time: A microscopic model of Singapore can run 2-3 times faster than real time on a standard laptop. The meso model is 4-6 times faster. For large models, this difference is crucial. For smaller models, it allows more ‘what if’ scenarios, iterations and sensitivity analysis in the same time budget.

Integrated macro, meso and micro modelling levels allow you to gradually extend the boundaries of your model without having to change your software or sacrifice speed – the hybrid simulator lets you zoom in and out at will, seeing close-up detail only where you need it.

Store and compare multiple geometries and scenarios in a single file, eliminating tedious copy and paste and unmanageable file libraries.

Customise your models: Build API extensions in C++ or Python and override behavioural models with the microSDK.

Aimsun Next’s Dynamic Traffic Assignment (DTA) scheme gives you the ability to model steady-state behaviour as well as respond to one-off scenarios. This is particularly important in corridor and large urban models where calibration of microsimulation assignments can be difficult.

An all-in-one model means a single payment for maintenance, training and support. It’s also quicker to learn and quicker to use, as there’s no error-prone manual interface between different software packages.

Aimsun Live

Real-time traffic management.

Aimsun Live enables traffic management centres to accurately visualise network conditions before they occur, and to effectively mitigate and manage incidents. The Aimsun Live solution simulates real-time results and provides key performance indicators to help operators choose the best response.

Simulation-based traffic management.

  • Selection of the most appropriate modelling level (micro-meso-hybrid).
  • Adaptable to the user’s requirements.
  • Customisable user interface.
  • Quality assurance module: comparison of predictions with real data.

Configurable user interface.

  • Comprehensive travel pattern analysis.
  • Planned, but also one-off and unexpected events.
  • Speed: get results in just 2-5 minutes.
  • Modular architecture.

Simulation can significantly improve the accuracy and relevance of travel time forecasts. Because it takes into account capacity changes and network effects, it is the only technique that allows operators to quickly and objectively compare the effectiveness of complex alternative traffic management strategies.

Unlike traditional analytical forecasting methods, individual vehicle simulation allows for explicit and faithful emulation of ITS policies.

With access to individual vehicle delays, travel times, position, emissions, speed, route and many other characteristics, the measures of effectiveness can be as complex as required.

One of the key elements that makes Aimsun Live a unique solution for real-time forecasting and information provision is its rich and innovative combination of Dynamic Traffic Assignment (DTA) techniques within the same simulation to provide the most realistic representation of network behaviour.

To ensure the best possible forecast accuracy, Aimsun Live includes a module that continuously compares forecast performance with field measurements received after the forecast period.


Optimal traffic prediction for your city.

From the design and implementation phase through to day-to-day operations, traffic engineers and system operators can rely on world-class tools for planning, data supply, management and operation of their traffic control systems.

Learn more from our experts.

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