IHSDMInteractive Highway Safety Design Model
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Registered IHSDM users can visit the "Download Login" page and type in their existing username and password to access and download this update.
For information on an IHSDM training course available from the National Highway Institute, visit www.
First released in 2003, IHSDM has six evaluation modules that help provide quantitative measures of safety performance, check designs against applicable guidelines, and diagnose factors contributing to safety.
IHSDM, which is supported by FHWA's Geometric Design Laboratory at TFHRC, covers two-lane and multi-lane rural highways and urban and suburban arterials.
As a result of the 2010 update, the Crash Prediction Module of IHSDM has become a faithful implementation tool for the Highway Safety Manual" says Clayton Chen, a highway research engineer on the Safety Management Team in FHWA's Office of Safety Research and Development.
The IHSDM 2010 release includes six evaluation modules: crash prediction, policy review, design consistency, intersection review, traffic analysis, and driver/ vehicle.
The 2003 release of IHSDM culminates a multiyear research and development effort.
The benefit of using IHSDM for Federal Lands is the same as for any organization.
Targeted specifically to roadway planners and designers, as well as to others in the transportation engineering community, the IHSDM Web site provides visitors with a complete description of IHSDM as developing safety software that will provide never-before-available and easy-to-access data to facilitate evaluation of the safety implications of design alternatives.
Other than IHSDM and ARTS, what are the research needs that might be targeted to rural road safety?
IHSDM is an integrated system of modules that highway planners and designers can use to evaluate the safety of highway geometric design alternatives within a computer-aided design (CAD) environment.
The design of roadside safety structures is beyond the scope of the IHSDM as it is now envisioned.