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The mission of the Geometric Design Laboratory (GDL) is to support the Office of Safety Research and Development in research related to the geometric design of roadways and the impacts on safety. The GDL provides technical support to develop, maintain, and...
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.
To request user technical support, contact:
IHSDM Help Line: (202) 493-3407
IHSDM Support Email: IHSDM.Support@dot.gov
For other information about IHSDM, contact:
In-Kyu Lim
Office of Safety and Operations Research...
The goal of this research is to develop reliable estimates of the effectiveness of the safety and operational improvements identified by the ELCSI-PFS Advisory Committee (TAC). These estimates are determined by conducting scientifically rigorous before-and-after evaluations at...
Evaluations of Low Cost Safety Improvements Pooled Fund Study (ELCSI–PFS)
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The goal of this research is to develop reliable estimates of the effectiveness of the safety and operational improvements identified by the ELCSI-PFS Advisory Committee (TAC). These estimates are determined by conducting scientifically rigorous before-and-after evaluations at sites in the...
Technical Advisory Committee (TAC) Meetings
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June 4 and 5, 2014, Turner-Fairbank Highway Research Center
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The...