Generic HSM Spreadsheets - These free spreadsheets are available to download from the AASHTO Highway Safety Manual website.
Oregon HSM Spreadsheets with local crash data from 2004-2006 - See the Segment and Intersection tables for locally-derived values and consult the HSM Calibration for Oregon Report for explanation of these values. Locally-derived values are enabled by default.
Crash Modification Factors Clearinghouse - This is a free companion tool to the HSM Part D Crash Modification Factors, funded by FHWA and maintained by the University of North Carolina Highway Safety Research Center.
PLANSAFE - Planning-level safety forecasting tool is provided free by the Transportation Research Board, and developed as part of the National Cooperative Highway Research Program Project 08-44.
Interactive Highway Safety Design Model - This is a free companion tool to the HSM Part C Predictive Methods Section, provides detailed analysis for the predictive method. It is maintained by the Turner-Fairbank Highway Research Center of the FHWA.
HiSafe - This is a companion tool for Part C of the manual. Digiwest offers a free trial period, after which a licenses for use starts at $500.
AASHTOWare Safety Analyst - This is a companion tool for Part B of the manual, available from AASHTO, under the AASHTOWare licensing program. This is NOT a free tool.