IHSDM - Update to 2010 Release is available

Safety performance functions, development (calibration, crash modification factors [Part C], crash proportions), IHSDM and other software

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IHSDM - Update to 2010 Release is available

Postby mdimaiuta » Fri Jan 14, 2011 1:03 pm


It's my pleasure to advise you that the Updated version of 2010 Public Release of Interactive Highway Safety Design Model (IHSDM) - HSM Predictive Method (version 6.0.2) to support the recent AASHTO’s publication of Highway Safety Manual (HSM) Part C - Predictive Method is now available for free downloading at . Please be advised that this updated 2010 Public Release improved software features in Policy Review, Intersection Review, Driver / Vehicle evaluation modules, graphical user interface, and output / reporting capability.

The IHSDM is a suite of software analysis tools for evaluating safety and operational effects of geometric design decisions. This 2010 Public Release includes six evaluation modules, namely – Crash Prediction, Policy Review, Design Consistency, Intersection Review, Traffic Analysis and Driver/Vehicle Modules. The Crash Prediction Module (CPM) serves as a faithful implementation of HSM’s Part C – Predictive Methods for two-lane rural highways (HSM - Chapter 10), multi-lane rural highways (HSM - Chapter 11) and urban and sub-urban arterials (HSM - Chapter 12). The other IHSDM evaluation modules are applicable to rural two-lane highways. For more information on the Highway Safety Manual, please go to: .

For existing registered IHSDM users, please use your IHSDM username and previously assigned password to access and download this update. For new users, please look for “download registration” at . On this website, you can also find additional information related to case studies / user applications, past webinar materials, and frequently asked questions.

Following lists two useful reference and contact information for your future usage:

• IHSDM Technical Support: IHSDM.Support@dot.gov; (202)-493-3407
• IHSDM Training Course: FHWA-NHI-380071 in NHI catalog at
Also, please find the attached “IHSDM Resource List” for a summary of IHSDM-related resources.

We ask for your continued help letting our partners including State, local transportation agencies, research and consulting communities to know about this powerful tool, training opportunity, technical assistance, and pointing out the many ways they can use it to improve safety on our roadway systems. In the meantime, please feel free to contact me if you have any questions and/or need additional information. Thanks in advance for your help and support.

Best Regards,

-- Clayton

Shyuan-Ren (Clayton) Chen, Ph.D, PE, PTOE
US DOT - Federal Highway Administration
Office of Safety R&D, HRDS-20
6300 Georgetown Pike, Room T-303
McLean, VA 22101

(202) 493-3054 - tel
(202) 493-3417 - fax
Posts: 29
Joined: Tue Nov 30, 2010 1:50 pm

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