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Austroads Design Vehicles and Turning Path Templates

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Publication no: AP-G34-13 Pages: 26
Published: 16 April 2013



 This guide has been developed to assist intersection designers and contains:

  • a user guide covering the basis of the turning templates and road hierarchy
  • design vehicle dimensions and drawings in PNG and PDF formats
  • turning templates in DWG (AutoCad 2010) and PDF formats.

The design vehicles included in this document provide guidance to cover most normal intersection designs. The vehicle turning path templates are plots of the vehicle wheelpath and the path traced by other relevant points on the vehicle or load. They show the swept path envelope resulting from various angles of turn at a particular radius.

This is the third revision of the design vehicles and turning templates.


This edition includes templates for:

Passenger vehicle (5.2 m)

  • 6.3 m radius

Service vehicle (8.8 m)

  • 9 m radius, 5 km/h
  • 12.5 m radius, 5 km/h
  • 15 m radius, 5 to 15 km/h
  • 20 m radius, 15 to 20 km/h
  • 30 m radius, 20 to 30 km/h

Single unit truck/bus (12.5 m)                          

  • 12.5 m radius, 5 km/h
  • 15 m radius, 5 to 15 km/h
  • 20 m radius, 15 to 20 km/h
  • 30 m radius, 20 to 30 km/h

Long rigid bus (14.5 m)

  • 12.5 m radius, 5 km/h
  • 15 m radius, 5 to 15 km/h
  • 20 m radius, 15 to 20 km/h
  • 30 m radius, 20 to 30 km/h

Articulated bus (19 m)                                     

  • 12.5 m radius, 5 km/h
  • 15 m radius, 5 to 15 km/h
  • 20 m radius, 15 to 20 km/h
  • 30 m radius, 20 to 30 km/h

Prime mover and semi-trailer (19 m)                 

  • 12.5 m radius, 5 km/h
  • 15 m radius, 5 to 15 km/h
  • 20 m radius, 15 to 20 km/h
  • 30 m radius, 20 to 30 km/h

Passenger vehicle (5.2 m) and a prime mover and semi-trailer (19 m)      

  • 15 m radius, 5 to 15 km/h
  • 20 m radius, 15 to 20 km/h
  • 30 m radius, 20 to 30 km/h

Prime mover and long semi-trailer (25 m)         

  • 12.5 m radius, 5 km/h
  • 15 m radius, 5 to 15 km/h
  • 20 m radius, 15 to 20 km/h
  • 30 m radius, 20 to 30 km/h

B-double (25 m)                                              

  • 12.5 m radius, 5 km/h
  • 15 m radius, 5 to 15 km/h
  • 20 m radius, 15 to 20 km/h
  • 30 m radius, 20 to 30 km/h

B-double (26 m)                                              

  • 12.5 m radius, 5 km/h
  • 15 m radius, 5 to 15 km/h
  • 20 m radius, 15 to 20 km/h
  • 30 m radius, 20 to 30 km/h

B-triple (35.4 m)                                              

  • 15 m radius, 5 to 15 km/h
  • 20 m radius, 15 to 20 km/h
  • 30 m radius, 20 to 30 km/h

A-double (Type I road train) (36.2 m)                

  • 15 m radius, 5 to 15 km/h
  • 20 m radius, 15 to 20 km/h
  • 30 m radius, 20 to 30 km/h


Table of Contents

1 Introduction
2 Background
3 Vehicles
  • 3.1 Checking Vehicles
  • 3.2 Dimensions
4 Using the templates
  • 4.1 Selecting a Design Vehicle
  • 4.1.1 Arterial Roads
  • 4.1.2 Non-arterial Roads
  • 4.1.3 Off-road Facilities and Driveways
  • 4.1.4 Guidance for Users
  • 4.2 Applying Turning Path Templates
  • 4.3 Layout Procedures
  • 4.3.1 Turning Radius
  • 4.4 Angle of Visibility
  • 4.5 Opposing Right Turns
  • 4.6 Preparing and Checking Designs
  • 4.7 Checking an Existing Layout
5 List of Turning Templates
References

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