Technical Reports Road network operations
This page lists technical reports of PIARC in the field of road network operations. These publications are classified chronologically.
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Low Emission Zones – Planning and Implementation - A PIARC Briefing Note
Air pollution problems are often observed in the roadside areas of metropolitan regions, where a lot of emission sources such as factories, business offices, residential houses and vehicles accumulate. Increasing congestion in cities with no or limited restrictions on driving in urban areas is contributing to a number of social- and health-related problems. Many countries are considering various types of restrictions on car traffic – especially in urban centers. The fastest-growing scheme since [...]
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Near Road Air Quality - A PIARC Briefing Note
“Air pollution problems are often observed in the roadside areas of metropolitan regions, where a lot of emission sources such as factories, business offices, residential houses and vehicles accumulate. Such air pollutions are caused by emissions of SO2, NO2, CO, HC, PM10, PM2.5 etc. which are designated as air pollutants in most countries across the world. In order to carry out air pollution abatement measures, we have long-term evaluation values and short-term evaluation values as regulation [...]
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Renewal and Rejuvenation of Aging Infrastructure - Technical Report
For the purpose of this research, “aging infrastructure” is defined as any road related assets that are approaching the end of their expected service life or have prematurely deteriorated in condition and are no longer providing the required level of service. This may be due to shorter service life due to assets not performing as expected, changing usage of the network, changing environment since design and construction of assets, and / or underinvestment in maintenance that has created a backlog [...]
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Uniform and Holistic Approaches to Resilience: Climate Change and Other Hazards - Technical Report
This report focuses on the resilience of road networks in the context of climate change and various hazards, emphasizing the need to consider environmental risks, chronic threats, and acute shocks. Natural hazards are highlighted as a significant global challenge, with extreme weather events and human-induced environmental damage considered the most detrimental threats to road infrastructures. The report calls for urgent attention and strategic planning, strongly encouraging the inclusion of an [...]
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Optimizing Road Network Operations Using Big Data - Technical Report
Road network operators are increasingly embracing technology and developing digital infrastructure to effectively manage road networks. At the same time, road users are using technology to enhance trip efficiency and safety, while vehicles on the road network are utilizing an increasing amount of technology to manage fleets, improve safety, and move toward automated operations. These trends have led to an increase in available data for road network operators, which can support improved decision-making. [...]
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