XXVI World Road Congress – Abu Dhabi, October 2019 Connecting Cultures, Enabling Economies - General Report

The General Report of the XXVI World Road Congress has been prepared by GHD under contract with the Abu Dhabi Department of Transport, on behalf of the United Arab Emirates. It has not been possible to include the conclusions of all sessions in this report. They will be available from PIARC’s website.

Maintenance Programming for Performance-based Contracts using the HDM-4

In Mexico, performance-based contracts were first introduced in the mid 2000. They have largely been used for the rehabilitation of road sections, to ensure that certain standards are met and maintained throughout the lifetime of the contract. As a general rule, they also specify a minimum remaining life of the pavement subsequent to the conservation stage. This article describes these contracts.

Advances in the Implementation of Road Asset Management in Chile

Chile has a road network of 85,221 kilometres. It largely consists of interurban roads and some sections in urban areas of strategic interest. The network is administered by the Highways Office, apart from 3,000 kilometres which operate under private concessions. Management of the road assets (divided into 9 different categories) has become an essential task over the past decade, as mass use of the systems has increased, bolstering this strategic area of the Highways Office.

Development of Advanced Asset Management Systems for Japanese Expressways

As at the end of 2018, the total length of the Japanese motorway network had reached approx. 9,500 km, with most road segments being operated and maintained by Nippon Expressway Companies (NEXCOs), which are divided into the country's Eastern, Central and Western regions. More than 60 years after inauguration of Japan's network first section (Meishin Expressway), today's pressing problem is how to maintain/rehabilitate such aging road infrastructure. This article describes Japanese innovative methods [...]

Multi-Objective Approaches to Cross-Asset Resource Allocation in Transportation Asset Management

A framework/methodology for performing trade-off analysis among competing infrastructure asset classes, which reflects both technical best practices and need of road organizations, was developed in the study illustrated in this article.