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THE HIGHWAY SAFETY MANUAL

Michael S. GriffithJune 12, 2003

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What is the Highway Safety Manual (or HSM)?

• Purpose: to provide the best factual information and tools in a useful form to facilitate roadway planning, design, operational, and maintenance decisions based on explicit consideration of their safety consequences

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Targeted Users

• Primarily, professionals studying the impact of actions on roadway users– Planning, design, and operational studies

• Secondary users– Management– Educational Institutions

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Outline for Initial Version of the HSM

Part I – Introduction and FundamentalsPart II – KnowledgePart III – Predictive MethodsPart IV – Safety Management of a

Roadway SystemPart V – Safety EvaluationGlossary

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Part III - Chapter 8Rural, Two-Lane Roads

8.1. Introduction8.2. Methodology8.3. Applications8.4. Example Problems8.5. References

Appendices

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Prototype Chapter 8 - Overview

• Scope: Estimates the safety performance of a rural two-lane highway segments and at-grade intersections

• Applications– Individual segments and intersections– Overall project

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Available in ….

2007, but you don’t have to wait until then to take

advantage of …..