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Transportation modeling and simulation software

  • OpenPaths Advanced l All the essential capabilities needed for multimodal transport modeling and classic travel demand modeling
    Includes: OpenPaths CUBE, OpenPaths EMME, and OpenPaths CityPhi 
  • OpenPaths Ultimate l Includes everything in OpenPaths Advanced PLUS advanced travel demand modeling (OpenPaths AGENT) and traffic simulation / dynamic traffic assignment (OpenPaths DYNAMEQ) 

About this software subscription: This Virtuoso Subscription includes a 12-month practitioner license of this software, that comes with Keys (credits) to unlock training and services. 

For multiple license or subscription options, chat with consultant
Transport planning software that helps you open paths to better mobility

OpenPaths, Bentley's transport modeling software, provides you with greater accessibility to a broader range of game-changing transport modeling features by unifying EMME, CUBE, AGENT, and DYNAMEQ applications under one solution set.

OpenPaths is trusted by cities, planning agencies, mobility providers and infrastructure owners to answer essential “What If?” questions about transportation networks and how they are used. OpenPaths integrates both multimodal transport network modeling and modern travel demand forecasting capabilities, which make it an ideal transport modeling platform for strategic and operational transport planning. 

With OpenPaths you can capture a complete representation of mobility incorporating travel demand at any level of detail from zones to individual persons, tours and trips, and multimodal traffic on any mode from cars to public transit and active modes. OpenPaths informs strategic and operational transport planning to inform transport decision-making and answer questions about the future of mobility.

Trusted network modeling capabilities that are adopted by leading transport and planning agencies.  

Integrated travel demand modeling capabilitiesto effectively address 21st century transport planning questions. 

Game-changing mobility data fusion eliminates costly trial-and-error approaches to model calibration.  

Comprehensive model, data management and analysis capabilities to edit, manage, and analyze transport model results with full transparency. 


OpenPaths is offered in two distinct licensing options so that you can choose the solution that best meets your strategic and operational transport modeling demands.

Explore our Comparison Chart to find out which OpenPaths edition is right for you? 

OpenPaths Advanced includes OpenPaths CUBE, OpenPaths EMME, and OpenPaths CityPhi.

OpenPaths Ultimate includes everything in OpenPaths Advanced PLUS OpenPaths AGENT and OpenPaths DYNAMEQ.

Explore all the features below or view our Comparison Chart to find out which OpenPaths edition is right for you.

OpenPaths AGENT

Modern Travel Demand Modeling 

OpenPaths AGENT is game-changing travel demand modeling software used to forecast mobility decisions at any level of detail, from zones to individual people. From changing demographics, or residential and work locations, to daily trip patterns including time, location, and mode choice, OpenPaths AGENT captures realistic representations of mobility to address 21st-century transport planning challenges. And with machine learning built-in, OpenPaths AGENT takes advantage of new mobility data sources to achieve improved model calibration at reduced time and cost.

Advance Your Travel Demand Model 

  •  Assemble virtually any travel demand model including activity-based (ABM), tour-based, and classic trip-based modeling, 
  • Upgrade your demand model with improved usability and performance without the high costs of recoding or changing platforms. 
  •  A visual interface, live model validation, and a powerful expression system help you work with travel demand models faster. 
  • All the capabilities needed for modern travel demand modeling, including population synthesis and comprehensive choice modeling features for both aggregate and disaggregate/microsimulated demand modeling, are at your fingertips.

Leverage All Your Mobility Data 

  • Machine learning removes the need for tedious and unpredictable trial-and-error model calibration, saving time and costs. 
  • Automated model calibration procedures simultaneously adjust demand model coefficients against data targets from multiple data sources, allowing better validation. 
  • Leverage all your mobility data sources to directly improve your travel demand model, incorporating traffic, transit, and origin-destination counts as well as big data in addition to or instead of household travel survey (HHTS) data. 

OpenPaths EMME 

Multimodal Transportation Planning  

OpenPaths EMME is a complete transportation forecasting application for planning the urban, regional, and national movement of people. OpenPaths EMME is used to create digital transport models for travel demand forecasting, traffic planning, transit service planning, and related needs to provide an evidence base for transport strategy and policy decision-making. By modeling the people, places, processes, and options involved in travel, transport planners can evaluate transport system performance on any number of virtual scenarios prior to implementation. 

Leading Transport Modeling       

  • Traffic, public transit, and multimodal network and demand modeling procedures trusted by leading transport agencies. 
  • Uniquely flexible models may be tailored to support local applications or new model procedures. 
  • Work efficiently with out-of-the-box support for crowded transit, fare integration, tolling, junction delay, active transport, and service planning applications. 
  • Integrates natively with OpenPaths AGENT for advanced demand modeling.  

Accelerate Productivity 

  • Extensive maps, charts, reports, and scenario comparisons provide data transparency and help turn results into insights. 
  • Code-free and code-friendly. Easily configure model procedures with a visual control flow system that anyone on the team can use, or customize procedures and manage model-as-code with comprehensive Python APIs for developers. 
  • Manage all your mobility data, including multimodal networks, travel demand, surveys, demographics, and travel results, including households, persons, trips, and tours. 
  • Create 3D animations across time or between planning scenarios to understand regional mobility patterns at scale.  

OpenPaths CUBE 

Multimodal Transportation Planning  

OpenPaths CUBE Is multimodal transport planning software that is used to develop and apply predictive multimodal transportation models to simulate how changes in infrastructure, operations, technology, and demographics will impact movement and accessibility of a given area. OpenPaths CUBE lets you analyze the effects of new projects and policies on a city’s transportation network and its population. OpenPaths CUBE provides a desktop interface to link a model, data, and geographic information system (GIS), easing the development and application of your models.

Make Informed Decisions

  • Visualize, test, and compare multiple scenarios with a complete library of multimodal transport modeling procedures. 
  •  Integrates natively with OpenPaths AGENT for advanced demand modeling.
  • Easily manage changes [DF1] in input data with comprehensive scenario management features.
  • Advise on the suitability of planning and design decisions to support business cases.

Accelerate Project Delivery

  •  Access libraries of transport modeling functions to save time when developing models.
  • Use an intuitive flow-charting interface to organize model processes and quickly complete modeling tasks.
  • Benefit from Python APIs and flexible integration with third-party applications.
  • Reduce rework and errors, and streamline processes with powerful spatial technology.


Traffic Simulation and Dynamic Traffic Assignment (DTA) 

OpenPaths DYNAMEQ is a traffic simulation and dynamic traffic assignment (DTA) software for transport planning and traffic management studies of virtually any size. Whether you are implementing freeway or urban congestion pricing, planning major infrastructure rehabilitation, or undertaking road improvements, transit planning or neighborhood redevelopments, OpenPaths DYNAMEQ allows you to accurately assess the related traffic and mobility impacts. 

Traffic simulation that lets you see the whole picture   

  • Simulates vehicles with car-following, lane changing, and gap acceptance models to produce realistic traffic behavior.  
  • High-performance animations provide a 3D, 360° visualization and analysis environment.   
  •  Production-quality video allows you to storyboard and share intuitive animations. 

 Rapidly develop models of any size 

  • Get started quickly with importers for a range of popular transportation software and data formats. 
  • Streamline model development with comprehensive network data validation and cleaning capabilities that make it easy to identify and resolve issues.  
  •  Develop future scenarios by synthesizing traffic signals and turning movement parameters that are adapted to future travel demand.            

Calibrate your models with confidence   

  • Spend less time calibrating and more time testing scenarios with fast run times and fewer calibration parameters.  
  • Achieve higher calibration metrics than ever before, with a proven simulation-based demand adjustment capability. 
  • Generate reliable and reproducible results even for high-demand future-year scenarios.  

OpenPaths CityPhi

Mobility Animation Studio 

OpenPaths CityPhi provides an API to produce captivating data visualizations, interactive animations, and insightful analytics about mobility and location by turning data about the movement of people and things, their location, and their changing social, economic, and physical characteristics into dynamic scenes. With OpenPaths CityPhi you can create applications that let users explore time, space, and motion with interactive animations that stay responsive at scale. 

A Digital Lens on Mobility

  • Create compelling visual representations of mobility data, including trajectories, paths, points, or any kind of time-based location or movement data. 
  • Animate, explore, color, filter, label, and query mobility data to uncover relationships and develop a clearer understanding.
  • Import and work with mobility data including General Transit Feed Specification (GTFS), fare card data, GPS and cell phone records, social media activity, travel surveys, land use models, and agent-based simulation results. 
  • Save production-quality videos with scripted camera keyframe animations.

Mobility Development Kit

  • Develop analytics and visual treatments, and load your own data with native OpenPaths CityPhi Python libraries.
  • Create the right scene with fifteen visual layers and dozens of parameters to configure and play back through time.
  • Incorporate OpenPaths CityPhi into modern Python data science workflows using Jupyter Notebook with a reactive UI.

We recommend the following system requirements for OpenPaths applications. 

Operating System

64-bit Microsoft Windows 11, 10, Server 2022, Server 2019, or Server 2016.

Disk Space

Installation of all OpenPaths applications requires 8GB of disk space:

  • OpenPaths EMME - 3.5GB
  •  OpenPaths CUBE - 2.5 GB
  • OpenPaths DYNAMEQ – 1 GB
  •  OpenPaths CityPhi – 1GB

Minimum 16GB RAM recommended


Use of 3D rendering and animation features require OpenGL 4.0 support

Reference Systems

OpenPaths applications offer high-performance scientific, graphics, and interactive computing capabilities. Certain features benefit from high-performance computing (CPUs) and dedicated graphics processors (GPUs). Requirements vary by application. Reference systems below provide illustrative guidelines:

Base system example

  • Intel Core i5 or i7 CPU, 2.3 GHz or greater base clock
  • 6 cores/12 threads or more
  • 16 GB RAM or more
  • NVIDIA RTX 3050, AMD Radeon, Intel Xe, or Intel integrated graphics (non-graphic workloads) 

Intermediate systems

  • Intel Core i7 or i9 CPU, 3 GHz or greater base clock
  • 8 cores/16 threads or more
  • 32GB of RAM or more
  • NVIDIA RTX 3060, AMD Radeon RX 6600XT, Intel Arc A770, or integrated graphics (non-graphic workloads)

Advanced systems

  • Intel Xeon CPU, 3GHz or greater base clock
  • 12 cores / 24 threads or more
  • 128GB RAM or more
  • NVIDIA RTX  3070, NVIDIA Quadro RTX, AMD Radeon Pro W6000, or integrated graphics (non-graphic workloads)

Recent versions of Chrome or Firefox are recommended. Up-to-date versions of Opera and Edge may also work.


Stay nimble and lower costs

We have bundled a 12-month license for trusted Bentley software with customizable training from experts and call it our Virtuoso Subscription. With lower upfront costs and flexible support options, businesses of all sizes can now compete with the industry's heavy hitters.


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