Risk-Oriented Design Approach

  • Posted on: Sun, 10/13/2013 - 22:19
  • By: shroedermay
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Common Reasons to Consider Exceptions

  • Impacts to the natural environment

  • Social or right-of-way impacts

  • Preservation of historic or cultural resources

  • Sensitivity to context or accommodating community values

  • Construction or right-of-way costs


Risk Management Characteristics

  • Explicitly addresses uncertainty

  • Based on the best available information

  • Part of the decision-making process

Incorporating Geometric Design Into Access Permit Regulations

  • Posted on: Wed, 07/03/2013 - 23:45
  • By: fbroen
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We know that highways are the most dangerous facilities s on the face of the earth. AND we know that access related crashes represent over 55 percent of all reported accidents. We need to become more focused on Highway safety improvements In the last 10 years, over 430,000 dead. Guides and manuals are not enforceable – its actually the agencies engineering authority, usually through the chief engineer. It’s the opinion of the chief engineer, using guides and manuals as references, as compared to the wishes of the property owner.

Traffic Engineering Handbook

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Institute of Transportation Engineers, Traffic Engineering Handbook, 6th Edition, (2008)

Chapter 13 of this Handbook, Access Management, was authored by Philip Demosthenes and Vergil G. Stover. Chapter 13 includes an introduction to access management providing an historical perspective, a review of legal issues of interest to traffic engineers, and proceeds to present current practice in policies, programs and access related design elements.

NCHRP Report 672 Roundabouts: An Informational Guide Second Edition

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TRB’s National Cooperative Highway Research Program (NCHRP) Report 672: Roundabouts: An Informational Guide – Second Edition explores the planning, design, construction, maintenance, and operation of roundabouts. The report also addresses issues that may be useful in helping to explain the trade-offs associated with roundabouts.