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PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.

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All PIARC Publications

There are 130 results for your search

  • Contribution to Risk Management of Existing Slopes

    C12 decided to extend those studies and adopted the topic risk management of existing slopes during the period 1995-1999 to focus on the utilization of monitoring techniques and database applications. The report summarizes the risk management on existing slopes in technical aspects through the collected [...]

    • Date : 2000
    • Pages : 100
    • PIARC Ref. : 12.11.BEN
    • ISBN : 2-84060-129-X
  • Environment and Construction of Road Projects

    One work area of the PIARC Committee on the Environment concerns the consequences of the construction of road projects. In July 1997, an inquiry was sent to all PIARC member countries. It dealt with the five major topics identified by the Working Group: soil and water protection; how to deal with contaminated [...]

    • Date : 2000
    • Pages : 80
    • PIARC Ref. : 14.03.BEN
    • ISBN : 2-84060-122-2
  • Environmental and Health Aspects Related to Working with Bituminous Mixtures

    This report describes the arrangements made to limit the impact of dust and gaseous emissions in particular, both at the production and laying stage of bituminous mixtures. It also reviews the state of the art in the evaluation of health risks to workers on paver, with emphasis on the large difference [...]

    • Date : 1995
    • Pages : 32
    • PIARC Ref. : 08.04.BEN
    • ISBN : 2-84060-032-3
  • Environmental Impact of Existing Pavements

    The management of negative consequences such as the deterioration of the living environment, road hazard, energy consumption, air pollution, noise, biotope modification and road congestion are today's major challenges. We often talk about the long term but work on a short-term basis without any realistically-targeted, [...]

    • Date : 2000
    • Pages : 136
    • PIARC Ref. : 14.02.BEN
    • ISBN : 2-84060-121-4
  • Equipment and Methods Specific to Soil Treatment Works

    To avoid the report on "Field treatment of soils with lime or hydraulic or pozzolanic binders" presented at the XIXth World Road Congress at Marrakech in 1991 (PIARC ref. 19.12.B), being too long, the Technical Committee on Earthworks, Drainage, Subgrade (C12) decided to limit the discussion of equipment [...]

    • Pages : 64
    • PIARC Ref. : 12.05.BEN
    • ISBN : 2-84060-051-X
  • Evaluation and Limitation of Impacts social and environmental for Road Networks and Transport Policies

    One work area of the PIARC Committee 14 on "Sustainable development and Road Transport" concerns the evaluation and limitation of impacts of road networks and transport policies. The Road is life (Via Vita). This are the words contained in the logo of the World Road Association established in 1909. [...]

    • Date : 2004
    • Pages : 274
    • PIARC Ref. : 14.05.BEN
    • ISBN : 2-84060-163-X
  • Good Practice for the Operation and Maintenance of Road Tunnels

    This report complements the report entitled "Reduction of operational cost of road tunnels" which was presented and published at the Kuala Lumpur Congress in 1999. Various aspects of the management and operation of tunnels are considered. A method for providing continuity of management of safety, throughout [...]

    • Date : 2004
    • Pages : 184
    • PIARC Ref. : 05.13.BEN
    • ISBN : 2-84060-175-3
  • In Situ Assessment of Subgrade Materials

    It is important to be able to forecast the performance of the subgrade, especially its acceptable limits of deformation derived for both the construction stage and during the working life of the pavement. Ten types of in situ test apparatus are described briefly and comparisons made between them, setting [...]

    • Date : 1995
    • Pages : 120
    • PIARC Ref. : 12.01.BEN
    • ISBN : 2-84060-030-7
  • International Symposium on Subdrainage in Roadway Pavements and Subgrades

    Out of print As is common knowledge in the transportation community, proper functioning of roadways is largely dependent on adequate drainage, both at the surface and in the subsurface. The accumulation of excessive water under pavements typically results in a reduced bearing capacity, leading to [...]

    • Date : 2000
    • PIARC Ref. : 12.08.BEN
  • ITS HANDBOOK 2000

    Compiled by the World Road Association (PIARC) Committee on Intelligent Transport, ITS Handbook 2000 provides a full review of operational tests and early deployment of Intelligent Transportation Systems (ITS) in various countries around the world. This unique reference delivers evaluation results and [...]

    • Date : 2000
    • Pages : 436
    • PIARC Ref. : 16.01.BEN
    • ISBN : 1-58053-103-2
  • Landslides - Techniques of Evaluating Hazard

    This report discusses current techniques used to evaluate landslide hazard in three stages. Firstly, the landslide hazard of an area is evaluated by collecting existing data, field reconnaissance, etc. At several specified sites along a route, more detailed investigations are then conducted, such [...]

    • Date : 1997
    • Pages : 120
    • PIARC Ref. : 12.04.BEN
    • ISBN : 2-84060-044-7
  • Leightweight Filling Materials

    This document presents various lightweight filling materials for different applications in road construction. Details are given regarding material properties, design considerations, specifications related to the construction, pavement structure, environmental considerations if any, availability and [...]

    • Date : 1997
    • Pages : 288
    • PIARC Ref. : 12.02.BEN
    • ISBN : 2-84060-045-5
  • Limits of use of natural soils, specifications and controls in earthworks

    During 2000-2003 C12 activity, it was decided to be interested in the limits of use of the soils in the earthworks through the various Member States of the committee and simultaneously to analyse the control methods developed to guarantee the good completion of the work. C12 has considered interesting [...]

    • Date : 2003
    • Pages : 172
    • PIARC Ref. : 12.12.BEN
    • ISBN : 2-84060-141-9
  • Marginal Materials - State of the art

    Three PIARC Technical Committees have devoted part of their preliminary work to the XVIIIth Congress (Brussels, 1987) to the use of marginal materials in road technology: Technical Committee on Testing of Road Materials, Technical Committee on Flexible Roads, Technical Committee on Earthworks, Drainage, [...]

    • Date : 1989
    • Pages : 112
    • PIARC Ref. : 02.04.BEN
  • Optimizing the Existing Interurban Road Network

    As part of the PIARC 2000-2003 work program, the Committee on Interurban Roads (C4) decided to discuss and investigate the links between the various measures available for optimising the existing interurban road network. The objective of the group is to establish the measures which work best to improve [...]

    • Date : 2003
    • Pages : 56
    • PIARC Ref. : 04.06.BEN
    • ISBN : 2-84060-142-7
  • Pollution by Nitrogen Dioxide in Road Tunnels

    This report has been prepared by the PIARC Committee on Road Tunnel Operation (C5) working group n° 2 devoted to Pollution, Ventilation and Environment. Awareness of the problem raised by nitrogen oxides in urban environment which came up following pollution phenomena (e.g. in London in 1952) has [...]

    • Date : 2000
    • Pages : 48
    • PIARC Ref. : 05.09.BEN
    • ISBN : 2-84060-127-3
  • Practical Guidelines for the Design and Construction of Road Embankments

    The practical guidelines contained in this report have been developed from the results of a survey on the state of the art in the design and construction of road embankments. In March 1993 a questionnaire was circulated to collect information about the "rules of the art in the design and construction [...]

    • Date : 1999
    • Pages : 36
    • PIARC Ref. : 12.03.BEN
    • ISBN : 2-84060-057-9
  • Road Design and Traffic Operation Guidelines to aid the Older Motorists

    Studies show that the number and percentage of older people in general, and older drivers in particular, are growing rapidly. By the year 2025 people aged 60 and over are expected to account for about 24 percent of the European population, 22 percent of the Northern American population, and almost 14 [...]

    • Date : 1991
    • Pages : 68
    • PIARC Ref. : 10.03.BEN
  • Road in Desert Areas

    Drafted by the PIARC Technical Committee on Roads in Developing Regions, this report provides information on the construction and maintenance of roads in desert areas.

    • Date : 1991
    • Pages : 88
    • PIARC Ref. : 03.03.BEN
  • Road Network Operations Handbook

    Historically, road authorities responded to increasing demand by adding capacity, building new roads or expanding the existing ones. With the high costs and constraints on building conventional infrastructure, maximising the effectiveness of existing systems, including capitalising on new technologies [...]

    • Date : 2003
    • Pages : 304
    • PIARC Ref. : 16.02.BEN
    • ISBN : 2-84060-145-1
  • Road Tunnels: Emissions, Environment, Ventilation

    Due to a steady tightening of emission laws for cars and changes in the risk assessment of a tunnel fire, some design data need constant updating. The Report of the PIARC Committee on Road Tunnels to the XXth World Road Congress, 1995 (20.05.B) reviews the art of tunnel ventilation over the last 15 [...]

    • Date : 1996
    • Pages : 64
    • PIARC Ref. : 05.02.BEN
    • ISBN : 2-84060-034-X
  • Road Tunnels: Vehicle Emissions and Air Demand for Ventilation

    In 1990 and 1995 PIARC published the calculation methodology and the emission factors for road tunnel ventilation design. An update of the existing PIARC methodology was necessary, as the emission standards of the vehicles were becoming more stringent and hence the vehicles cleaner. The old version [...]

    • Date : 2004
    • Pages : 72
    • PIARC Ref. : 05.14.BEN
    • ISBN : 2-84060-177-X
  • Safety at Roadworks

    Safety at all engineering works is improved through continuous training of supervisory and labour forces in the safe and proper use of power equipment and materials. In addition to these requirements, safety in roadworks requires the proper communication with and cooperation of the user. This report [...]

    • Date : 1996
    • Pages : 172
    • PIARC Ref. : 06.01.BEN
    • ISBN : 2-84060-038-2
  • Slope Risk Guidance for Roads

    Slopes are, in general, associated with a greater frequency of failure than other geotechnical assets and a greater threat economically and socially. This report makes a synthesis of risk analysis methods and of vulnerability issues. It presents, in a series of appendices, mitigation measures with their [...]

    • Date : 2004
    • Pages : 112
    • PIARC Ref. : 12.13.BEN
    • ISBN : 2-84060-166-4
  • Testing Aggreates

    Particle-size Analysis by Sieving, Los Angeles Test, Sand Equivalent, Accelerated Polishing Test, Determination of the Amount of Fines Passing 0.075 mm Mesh, Gravimetric Measurement: Absolute Density, Real Density, Bulk Density (with and without compacting), Aggregate Shape Measurement: [...]

    • Date : 1987
    • Pages : 66
    • PIARC Ref. : 02.02.BEN