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Guide to Pavement Technology Part 4A: Granular Base and Subbase Materials
This Guide contains advice on the selection, testing and specification of crushed rock and naturally occurring granular materials for use in pavement base and subbase construction.
Webinar: When the Rider, not the Rubber, Hits the Road
Can motorcycle protective clothing really prevent serious injuries in motorcycle crashes? Over the past 20 years there have been great advances in the technology of impact and abrasion resistant materials and yet many of the garments currently…
Webinar: Learner Approved Motorcycle Scheme Update
The current learner approved motorcycle scheme (LAMS) was introduced in NSW in 2002 to replace the 250cc engine capacity limit for novice riders (i.e., those on learner and provisional licenses) as race replica 250cc motorcycles were over-…
Webinar: Motorcycle Rider Perceptive Countermeasures
Austroads has recently completed a project that investigated road-based treatments as a perceptual countermeasure (PCM) to influence motorcyclist perceptions of speed and lane width in order to incentivise a safe approach when negotiating critical…
Learner Approved Motorcycle Scheme Update
The current Learner Approved Motorcycle Scheme (LAMS) was introduced in NSW in 2002 and has since been adopted by all states, territories, and New Zealand, albeit with some amendments in some jurisdictions. There has not been a formal review of LAMS…
Motorcycle Rider Perceptual Countermeasures
This report details a trial conducted to evaluate whether a suitable road-based perceptual countermeasure (PCM) could influence the travelling speed as well as lane position of motorcyclists to induce a safe curve negotiation. The motorcyclist PCM…
Webinar: Zebras and Wombats: Factchecking 'False Sense of Security'
Decisions on how transport agencies provide for people walking to safely cross the roads has been greatly influenced by historical research, that has in the past failed to examine the infrastructure design and lacked behavioural data. This webinar,…
Webinar: Best-Practice Approaches to Road Freight and Communities
The freight industry is critical to the Australian and New Zealand economies. It comprises road, rail, sea and air transportation including supporting services such as warehousing, storage, freight forwarding and customs brokerage for both domestic…
Best Practice Approaches to Road Freight and Communities
Austroads commissioned project &lsquo
Improved Laboratory Characterisation of the Deformation Properties of Granular Materials

This report examines the capacity of the extra-large wheel-tracking laboratory test method to predict the in-service performance of granular materials.

Rutting is a common distress mode of unbound granular bases under thin bituminous surfacings.

Five…