MRWA Supplement to Austroads Guide to Road Design - Part 2

Document No:  D17#492177
 
Revision:  2
 
Date amended:  26-Jun-2017

Image: orange line.RCN-D13^23151823.GIF 

 

The information below is intended to reflect the preferred practice of Main Roads Western Australia ("Main Roads"). Main Roads reserves the right to update this information at any time without notice. If you have any questions or comments please contact Steve Curgenven by e-mail or on (08) 9323 4415.

To the extent permitted by law, Main Roads, its employees, agents, authors and contributors are not liable for any loss resulting from any action taken or reliance made by you on the information herein displayed.

Revision Register

 

Ed/Version Number Clause Number Description of Revision Date

1

All

Guideline Developed. 09-Dec-2011 
​1A​All​Contact person changed to Steve Curgenven​12-Jul-2016
​2​All​Guideline Reviewed.​26-Jun-2017

Table of Content


MRWA Supplement to Austroads Guide to Road Design -

Part 2: Design Considerations

This Supplement has been developed to be read as a supplement to the Austroads Guide to Road Design (GRD) Part 2: Design Considerations (2015), a copy of which can be purchased via the Austroads website.

In Western Australia, state-based information, on this website and elsewhere, takes precedence over Austroads Guides and Standards Australia Standards. National Guides and Standards take precedence over International Guides and Standards, unless specifically stated otherwise.

This Supplement has the same structure as the equivalent Austroads Guide and only additional requirements, clarifications, or practices different from Austroads appear. Where appropriate, this Supplement may also contain additional sections and figures not covered by Austroads, but the numbering sequence found in the Austroads Guide remains. Figures and tables in this Supplement replace those with the same figure or table number in the equivalent Austroads Guide.

1. DESIGN OBJECTIVES

Main Roads has no supplementary comments for this section.

 

2. CONTEXT SENSITIVE DESIGN

2.2 Normal Design Domain

In Western Australia Main Roads Supplement to Austroads GRD Part 3: Geometric Design is used as the primary guide for determining the road cross section, including lane widths for the State Road Network.

 

3. DESIGN CONSIDERATIONS

COMMENTARY A

Refer to MRWA Guideline Document 'Climate Change' - Document No. D10#97260 for design consideration of runoff, rainfall and temperature.

 

COMMENTARY B

To the main factors in intersection safety, add:

    • Cycling / pedestrian facilities.


COMMENTARY 21

Add reference to the US Highway Capacity Manual (Transportation Research Board 2000).