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Guide to Road Design Part 2: Design Considerations

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Publication no: AGRD02-15 Pages: 48
Published: 23 September 2015

Guide to Road Design Part 2 provides a detailed description of the three critical aspects of road design: the design objectives that apply to a road design project; context-sensitive design; and the factors that influence the road design, including road design in the context of the Safe System philosophy.

Guidance is provided to practitioners on the range of influences, information, data, criteria and other considerations that may have to be assessed in developing a road project. The Guide also describes the basis of the guidelines and the context in which they should be applied. It also provides links to other Austroads Guides and the resources that give further guidance on design inputs.

Changes contained in this second edition of the Guide include updates that discuss how the Safe System approach can be incorporated into the road design process. Updates to references and cross-references to other Austroads Guides have also been made, along with changes to the commentaries section.

Table of Contents

1. Design Objectives
  • 1.1 Introduction
  • 1.2 Strategic Fit
  • 1.3 Nature and Magnitude of Transport Demand
  • 1.4 Safety
  • 1.4.1 Safety Objectives
  • 1.4.2 Designing for Safety
  • 1.4.3 Road Safety Audits
  • 1.5 Community Expectations
  • 1.6 Reduced Travel Time and Costs
  • 1.7 Reduced Freight Costs
  • 1.8 Improved Public Transport
  • 1.9 Provision for Cyclists and Pedestrians
2. Context-Sensitive Design
  • 2.1 Design Domain Concept
  • 2.2 Normal Design Domain
  • 2.3 Extended Design Domain
  • 2.4 Road Characteristics and Use
  • 2.4.1 Functional Classification and Use
  • 2.4.2 Factors that Influence Design Standards
  • 2.4.3 Speed Parameters
3. Design Considerations
  • 3.1 Factors Affecting Design Decisions
Commentary 1
Commentary 2
Commentary 3
Commentary 4
Commentary 5
Commentary 6
Commentary 7
Commentary 8
Commentary 9
Commentary 10
Commentary 11
Commentary 12
Commentary 13
Commentary 14
Commentary 15
Commentary 16
Commentary 17
Commentary 18
Commentary 19
Commentary 20
Commentary 21

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