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Safer Roads Through Better Design

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Making Safety a Priority in Roadway Design

IHSDM Library

Overview | Crash Prediction Module | Design Consistency Module | Driver/Vehicle Module | Traffic Analysis Module | Intersection Review Module

The IHSDM Library includes all recently published materials on IHSDM in online and/or hard copy format. Past published materials, denoted as archive, are also available; these materials are somewhat dated due to IHSDM's evolving nature, but may still contain information of interest to serious researchers. Some publications are available only for purchase from the National Technical Information Service (NTIS).

Please Note:

Many of the online documents are in Adobe Portable Document (PDF) File format, which requires a free Adobe Acrobat Reader.

IHSDM Overview

IHSDM Resource List
http://www.tfhrc.gov/safety/ihsdm/pubs/06100/
http://www.tfhrc.gov/safety/ihsdm/pubs/04152

"Making Two-Lane Roads Safer," Public Roads, January/February 2003.

IHSDM Preview CD-ROM
Version 2.0, FHWA-SA-03-005, September 2003
Hard copies are available free of charge by e-mailing Report.Center@fhwa.dot.gov.

Archive:

"Conceptual Plan for an Interactive Highway Safety Design Model"
FHWA-RD-93-122, February 1994.
Hard copies available only from http://www.ntis.gov.

IHSDM Crash Prediction Module

Validation of Accident Models for Intersections, FHWA-RD-03-037, May 2005

Prediction of the Expected Safety Performance of Rural Two-Lane Highways
FHWA-RD-99-207, December 2000. Available online in html and PDF formats.
Hard copies available only for purchase from http://www.ntis.gov.

“Safety Effectiveness of Intersection Left- and Right-Turn Lanes.” FHWA-RD-02-089. Available online in html and PDF formats. Hard copies available free of charge by e-mailing Report.Center@fhwa.dot.gov.

Statistical Model of At-Grade Intersection Accidents - Addendum,” Publication No. FHWA-RD-99-094, March 2000. Hard copies available only for purchase from http://www.ntis.gov.

"Crash Models for Rural Intersections"
FHWA-RD-99-128, October 1999.
Hard copies available only for purchase from http://www.ntis.gov.

"Accident Models for Two-Lane Rural Roads: Segments and Intersections"
FHWA-RD-98-133, October 1998.
Hard copies available free-of-charge by e-mailing Report.Center@fhwa.dot.gov.

"Statistical Models of At-Grade Intersection Accidents"
FHWA-RD-96-125, November 1996.
Hard copies available only for purchase from http://www.ntis.gov.

Archive:

"Workshop on Development of the Interactive Highway Safety Design Model Accident Analysis Module, "
FHWA-RD-96-075, February 1997.
Hard copies available free-of-charge by e-mailing Report.Center@fhwa.dot.gov.

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IHSDM Design Consistency Module

"Evaluation of Design Consistency Methods for Two-Lane Rural Highways, Executive Summary" (PDF 387K)
FHWA-RD-99-173, August 2000.
Hard copies available only for purchase from http://www.ntis.gov.

"Alternative Design Consistency Rating Methods for Two-Lane Rural Highways, Final Report" (PDF 3.68MB)
FHWA-RD-99-172, August 2000.
Hard copies available only for purchase from http://www.ntis.gov.

"Speed Prediction for Two-Lane Rural Highways, Final Report" (PDF 1.03MB)
FHWA-RD-99-171, August 2000.
Hard copies available only for purchase from http://www.ntis.gov.

"Evaluation of Design Consistency Methods for Two-Lane Rural Highways, Technical Summary" (PDF 136K)
FHWA-RD-99-174, November 1999.

"Interactive Highway Safety Design Model: Design Consistency Module"
Public Roads, September/October 1997.

Archive:

"Horizontal Alignment Design Consistency for Rural Two-Lane Highways"
FHWA-RD-94-034, January 1995.
Hard copies available only for purchase from http://www.ntis.gov.

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IHSDM Driver/Vehicle Module

"The Capability and Enhancement of VDANL and TWOPAS for Analyzing Vehicle Performance on Upgrades and Downgrades Within IHSDM" (PDF - 1,431KB)
FHWA-RD-00-078, August 2000.
Hard copies available only for purchase from http://www.ntis.gov.

Applying Vehicle Dynamics Analysis and Visualization to Roadway and Roadside Studies
FHWA-RD-98-030, November 1998.
Hard copies available only for purchase from http://www.ntis.gov.

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IHSDM Traffic Analysis Module

"The Capability and Enhancement of VDANL and TWOPAS for Analyzing Vehicle Performance on Upgrades and Downgrades Within IHSDM" (PDF - 1,431KB)
FHWA-RD-00-078, August 2000.
Hard copies available only for purchase from http://www.ntis.gov.

National Cooperative Highway Research Project (NCHRP) #3-55(3)
Capacity and Quality of Service of Two-Lane Highways - Task 6
Enhance, Calibrate, and Validate the Selected Simulation Model
TWOPAS Model Improvements (PDF - 795KB), July 1998.

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IHSDM Intersection Review Module

IHSDM Intersection Diagnostic Review Model - Knowledge Base Report
FHWA-RD-02-045, March 2003.

"Knowledge Acquisition Methods for the IHSDM Diagnostic Review Expert System"
FHWA-RD-97-134, December 1997.
Hard copies available free-of-charge by e-mailing Report.Center@fhwa.dot.gov.

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