A new Austroads technical study has proposed merging four grades of polymer modified binders into two in the Australian specification.
Austroads is seeking industry consultation on its draft, Code of Practice for Temporary Traffic Management Part 9: Processes and Procedures paper.
The standard aims to improve the efficiency of project delivery and reduce potential for contractual disputes.
Austroads have released a report to inform the update of Australian Standard AS 3568 Oils for Reducing the Viscosity of Residual Bitumen for Pavements.
Austroads have announced updated specification testing for polymer and crumb rubber modified binders.