The maintenance and rehabilitation of aging road infrastructure are critical challenges for asset managers. The Austroads Guide to Pavement Technology Part 05 (AGPt2 Part 05) provides a comprehensive framework for assessing existing pavement conditions and implementing rehabilitation strategies. This essay highlights the key methods for economic comparison, material characterization, and the shift toward sustainability in rehabilitation projects. 1. Economic Analysis of Rehabilitation Options

A core component of AGPt2 Part 05 is selecting the most cost-effective rehabilitation strategy over the asset’s life cycle. The guide emphasizes a rigorous economic comparison involving several parameters:

Utilizing crushed concrete, reclaimed asphalt pavement (RAP), and other materials in rehabilitation layers.

Projected costs for upkeep, such as resurfacing.