Traffic Sign

A traffic sign (also Traffic Control Sign) is a sign, board, plate, screen, or another device, whether or not illuminated, displaying words, figures, symbols or anything else to regulate, direct or warn road users.

Austroads prefer the term traffic sign to road sign.

Where as VicRoads and Standards Australia use the term Road Sign.

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Types of Traffic Signs

Useful Life

The useful life of a traffic sign will vary considerably due to a range of environmental factors.

The table below shows the useful life for traffic signs adopted by Councils or published elsewhere. At the moment a useful life of about 15 years seems to be typical. Please feel free to add your Councils information below.

Council Adopted Life
Camden Council 30 years
Campbelltown City Council 15 years
Muswellbrook Shire Council 10 years
Ryde City Council 15 years
Wollondilly Shire Council 10 years

Related Pages


The following site members have contributed to this page:

External Links & References

  1. Google Search (Traffic Sign)
  2. Geelong City Council Case Study
  3. Glossary of Austroads Terms
  4. Queensland Main Roads Design Guide for Roads Signs
  5. Victorian Tourist Signing Guidelines
  6. USQ Regulatory Sign Gallery
  7. USQ Warning Sign Gallery
  8. Wikipedia
  9. VicRoads Standard Drawing for Road Signs
  10. AS 1743-2001
  11. Australian Roadsign Test (
  12. Standard Life Comparison Roads and Stormwater
  13. Advance Road Signs
  14. Road Management Solutions
  15. Selecting a Traffic Sign Retroreflectivity Assessment Method
  16. Google Search (Road Sign)
  17. Traffic Sign Life Expectancy - Minnesota Department of Transportation
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