Welcome to the Interactive Highway Safety Design Model (IHSDM) Frequently Asked Questions list. Here you will find the links to each section of the FAQ to help you download, install, and use this software.

Interactive Highway Safety Design Model (IHSDM) FAQs: Overview and Capabilities
 

This is the starting point for information regarding the capabilities of this software, its most effective uses, and how to deploy it.

Interactive Highway Safety Design Model (IHSDM) FAQs: Downloading and Installing
 

Essential information for deploying IHSDM.

Interactive Highway Safety Design Model (IHSDM) FAQs: Getting Started
 

This section provides suggestions for getting started with IHSDM as a new user or as a previous user of the tool.

Interactive Highway Safety Design Model (IHSDM) FAQs: Resources (Technical Support, Training, and More.)
 

This section provides information on resources such as technical support, training, and contacts.

Interactive Highway Safety Design Model (IHSDM) FAQs: IHSDM and Highway Safety Manual (HSM)

There is an important and direct relationship between IHSDM and AASHTO’s Highway Safety Manual. This section explains that relationship and the advantages of using IHSDM to apply HSM Part C predictive methods.

Interactive Highway Safety Design Model (IHSDM) FAQs: IHSDM Data Structure
 

The basic components of the IHSDM data organization structure include users, projects, highways, intersections, interchanges, ramp terminals, roundabouts, sitesets, and evaluations. This section contains guidance for where to find information about these components and their relationships, as well as the sample IHSDM Projects provided with the software.

Interactive Highway Safety Design Model (IHSDM) FAQs: IHSDM Graphical User Interface (GUI)
 

This page provides information and tips for navigating and customizing the IHSDM user interface.