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Austroads has published the second edition of the Guide to Traffic Management Part 10: Traffic Control and Communication Devices. The Guide is concerned with the tools that are required for traffic management and traffic control within a network. It covers the various control devices used to regulate and guide traffic, including…
The driverless vehicle revolution will test the value of private car ownership and road-based public transport, and have a dramatic impact on everything from motor vehicle registration revenues to city planning and health spending, according to the key players in Australia’s land transport sector. Leaders from federal and state road…
Austroads has published a report that examines the current funding and financing arrangements for regional and remote roads in Australia and considers the implications of road funding reforms. The project, which sought to identify alternative funding and financing options for remote and regional roads, was undertaken in three stages: Stage…
Austroads has published an Excel tool and user guide, to help practitioners undertake a quick economic evaluation of small intersection projects including: give-ways/stops, roundabouts and traffic signals. The tool can be used by practitioners working with basic traffic data to estimate road user cost impacts, primarily delay and fuel costs, as well…
Austroads has published the fourth edition of the Guide to Traffic Management Part 4: Network Management. The Guide addresses the network needs of different users, the characteristics of types of networks and, describes a planning process for balancing or prioritising the competing user needs based on a movement and place…
Austroads has released a tool designed to identify and support investment in ‘Life Line’ freight routes. ‘Life Line’ freight routes are roads that are highly valued by local communities and regions but, based their traffic volumes, may not deliver positive outcomes in traditional upgrade project priority assessments. The report includes instructions…
Austroads has published a detailed governance framework to support operationalising a national ITS product approval process. Within the framework, a national ITS type approval committee (NITAC) would be established to review product testing results, and approve products.  The following products are proposed as the starting point for implementing the national…
Austroads has published the results of the second year of work (2015–16) to develop a binder test that can rank the low temperature cracking performance of Polymer Modified Binders (PMBs). The Australian PMB specification includes elastometer stiffness tests which provide information to binder purchasers about the low temperature properties of…
Austroads' Australasian Pedestrian Facility Selection Tool was a finalist in the Golden Foot Awards 'Best Walking Initiative’ category this year. The awards celebrate and recognise New Zealand achievements for walkers by acknowledging innovative new facilities, highlighting national best practise and rewarding ongoing commitment to walking.  Congratulations to the prize winners: Hamilton…
Wednesday, 20 July 2016

How waterproof are sprayed seals?

Sprayed seal surfacings on unbound granular pavements are used on around 90% of all surfaced roads in Australia. This type of pavement structure is extensively used due to its low initial cost.  In addition to providing a wearing course surface for passing traffic, sprayed seals are intended to provide a waterproofing…

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