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Highway Capacity Software 2023

The reliable software tool that faithfully implements the methodologies from the Highway Capacity Manual


Version Release

New in TSIS-CORSIM 2024

The new version of TSIS-CORSIM is available from January 2024. The software is updated annually to improve its analysis and functionality. Explore the latest additions and features added to the new version release.

Slide the handle in the middle to compare the before and after images

New Map View Design

A new appearance for Map View with a modern color scheme that makes it easier to distinguish between Freeway and Street elements

New Map-View Framework

TSIS-CORSIM’s Map View has moved to use Windows Presentation Foundation, which comes with a modern look and significantly improved interface performance.

New Bings Map Interface

Bing Maps can be added as a background to your TSIS-CORSIM network.

Easily Define and Manage
Traffic Analysis Projects

Integrated Files

Network Data is now edited through the CORSIM (.trf) file, which means no need to keep a separate TRAFED (.tno) file

Enhanced Project File Compatibility

Directly open files from:

  • TSIS version 6.3 (TRAFED editor)
  • HCS Streets, Unsignalized Intersection modules, and Freeways (HCS7 and newer)

Toll Plaza

TSIS-CORSIM can model toll lanes with different settings, including automatic and manual booths, plaza lane-changing logic, free lanes, temporary lane closures, vehicle restriction on selected lanes, and animations and all lane-based MOEs

Bing Maps

  • Bing Maps support for the background of TRAFVU networks
  • Improved performance for network background images

Input Validation

Improved input validation to ensure modeling accuracy


Graphical road curvature can be added to links to show a more accurate representation of a network for modeling

Scenario Generation with Growth Factors

Ability to modify all node volumes and/or turn movement volumes with a growth factor

Updated Design

A modern user interface for Windows 10 and 11 Usability

User Interface

  • Undo (Ctrl+Z) and Redo (Ctrl+Y) commands are available for all dialogs, including the Map View interface and Text Editor tool
  • Quickly search through the extensive CORSIM text report

To view the full version release history, click here

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