AASHTO Highway Safety Manual Getting Started: The Purpose of the HSM. The purpose of the HSM is to assess the safety impacts of transportation project and program decisions. To help users get started, this web page includes: TRB User Liaison Technology Subcommittee, and by contacting Support is coordinated Highway Safety Manual Implementation goals and current initiatives; Potential joint initiatives between your TRB Committee Task Force and the Highway Safety Performance Committee.
Contributed by: User Liaison& Technology Facilitation Subcommittee, TRB ANB25 Contact: Michael. Dimaiuta. ctr AT dot. gov.
The Highway Safety Manual User Guide is a user friendly document that helps safety analysts begin to use the Highway Safety Manual (HSM). The Highway Safety Manual User Guide is a companion document to the HSM and is used as a reference document. TRBs National Cooperative Highway Research Program (NCHRP) Report 715: Highway Safety Manual Training Materials provides training materials to aid in implementing the American Association of State Highway and Transportation Officials Highway Safety Manual (HSM).
The training materials are designed to provide a broad overview of the HSM format and procedures. TRBs National Cooperative Highway Research Program (NCHRP) Research Results Digest 329: Highway Safety Manual Data Needs Guide is designed to help potential users of the 1st edition of the Highway Safety Manual (HSM) anticipate the data needs for using the HSM.
The guide focuses on the data needed to use the HSM Part C methodologies for rural twolane highways, rural multilane Highway Safety Manual. The Highway Safety Manual (HSM), published by the American Association of State Highway Transportation Officials (AASHTO) is the recognized source of information and methods for quantitatively evaluating traffic safety performance on existing or proposed roadways.
Highway Safety Manual Applied in States IIFreewaySoftware. The American Association of State Highway and Transportation Officials (AASHTO) is preparing to release a revision to the Highway Safety Manual that includes models for freeway segments, speedchange lanes and interchanges.
Welcome to the Highway Safety Manual (HSM) web site the source for information on quantifying and evaluating highway safety performance using the Highway Safety Manual. (TRB) Highway Safety Performance Committee on issues related to the HSM. Click on the boxes below to find out whats new, view an informational video on the HSM, reach