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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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General calendar

Below you will find past and upcoming PIARC congresses and seminars, as well as events related to road and road transport organised by our partner organisations.

Date Event Place Domain Type
August 24-28, 2025 ITS World Congress 2025 Atlanta (United States) Environment
Urban Mobility
Freight Transport
International events
September 10-12, 2025 International Seminar "Transport and Research in Sub-Saharan Africa - SITRASS 10" Lomé (Togo) Road Policies
International events
September 12, 2025 International Workshop "Transportation System Level Resilience – Challenges and Solutions" Memphis and online (United States) Environment
Risk Management
Road Safety
Road Network Operations
Freight Transport
PIARC will be there
September 22-24, 2025 EURO:TUN 2025 Vienna (Austria) Road Tunnel Operations
International events
September 24-25, 2025 Executive Committee Meeting Online, organised from Paris (France) CEXE PIARC Meetings
September 29-30, 2025 Meeting of the Technical Committee 3.3 "Leveraging Innovative Technologies to Improve Asset Management" (Reserved to PIARC members only) Lisbon (Portugal) Road Assets Management
TC 3.3
PIARC Meetings
October 1, 2025 International Workshop "Leveraging Innovative Technologies to Improve Asset Management" Lisbon (Portugal) Road Assets Management
TC 3.3
PIARC Seminars
October 6-8, 2025 Meeting of Road Statistic Committee (Reserved to PIARC members only) Tokyo (Japan) CSTAT PIARC Meetings
October 7, 2025 International Winter Service Workshop: Innovations and Environmental Solutions for Resilient Roads Quebec City (Canada) Environment
Winter Service
Road Resilience
TC 3.2
PIARC Seminars
October 8-9, 2025 Meeting of the Technical Committee 3.2 "Winter Service" (Reserved to PIARC members only) Quebec City (Canada-Quebec) Environment
Winter Service
Road Resilience
TC 3.2
PIARC Meetings
October 15-16, 2025 International Seminar "Responding to Extreme Weather impact on road transport and infrastructure" First announcement of the Seminar Zimbali (South Africa) Risk Management
TC 1.5
PIARC Seminars
October 15-17, 2025 International Seminar "Roads for Accessibility and Mobility in Urban and Periurban Areas: Challenges and Opportunities for the Cities of Tomorrow" First announcement of the Seminar Fès (Morocco) Urban Mobility
TC 2.1
PIARC Seminars
October 20-24, 2025 International seminar on "Large scale bridges - Safety, Longevity, Management and Innovations" First announcement of the Seminar Nanjing (China) Road Bridges
TC 4.2
PIARC Seminars
October 20, 23-24, 2025 Meeting of the Technical Committee 1.1 "Performance of Transport Administrations" (Reserved to the members of TC 1.1) Madrid (Spain) Governance of Road Authorities
Planning
TC 1.1
PIARC Meetings
October 21-22, 2025 International Conference "Transport Agency of the Future" Madrid (Spain) Governance of Road Authorities
Planning
TC 1.1
PIARC Seminars
October 26-31, 2025 REAAA Conference Goyang 2025 Goyang (South Korea) Environment
Road Safety
Road Network Operations
Road Pavements
International events
October 26, 2025 Meeting of the PIARC National Committees Goyang (South Korea) CNAT PIARC Meetings
October 27-28, 2025 Council Meeting Goyang (South Korea) CGEN PIARC Meetings
October 27-28, 30, 2025 Meeting of the Technical Committee 1.3 "Finance and Procurement" (Reserved to TC 1.3 members only) Goyang (South Korea) Economic Studies
Financing of Road System
Planning
TC 1.3
PIARC Meetings
October 29, 2025 International Workshop "Sustainable Roads: Better Roads for Everyone" First announcement of the Seminar Goyang (South Korea) Environment
TC 1.3
PIARC Workshops
November 10-11, 2025 Meeting of the Technical Committee 1.4 "Planning the Resilience of Road Networks - Climate Change and other Hazards" (Reserved to TC 1.4 members only) Maputo (Mozambique) Environment
Planning
Risk Management
Road Safety
Road Network Operations
Road Assets Management
Road Resilience
TC 1.4
PIARC Meetings
November 12-14, 2025 International Seminar "Improvement of Road Network Resilience - Strategies for Cost-Effective Climate Change Adaptation and Sustainable Development" Maputo (Mozambique) Environment
TC 1.4
PIARC Seminars
November 12-14, 2025 International Seminar "Convergence of New Technologies for Road Network Operations, ITS and Connected Cooperative Mobility" First Announcement of the Seminar Tunis (Tunisia) Environment
Road Safety
Road Network Operations
Urban Mobility
TC 2.4 - TC 2.5
PIARC Seminars
January 11-15, 2026 105th TRB Annual Meeting Washington (United States) General
PIARC will be there
March 10-13, 2026 17th World Winter Service and Road Resilience Congress Chambéry (France) Winter Service
Road Resilience
Decarbonization
PIARC Congresses

PIARC events

PIARC (World Road Association) regularly organises international exchanges on technical topics around the world: international seminars in low- and middle-income countries, and workshops in higher-income countries.

PIARC also organises major congresses every four years: the World Road Congress and the International Winter Road Congress.

These exchange opportunities are open to all, upon registration.

In addition, the Association's Committees and bodies also meet very regularly to share knowledge among members. These meetings are not open.

At national level, PIARC National Committees organise meetings and seminars, which allow knowledge to be shared among experts from the country.

Finally, the Association also participates in events organised by other organisations in order to share experiences and develop its partnerships.

PIARC events

PIARC (World Road Association) regularly organises international exchanges on technical topics around the world: international seminars in low- and middle-income countries, and workshops in higher-income countries.

PIARC also organises major congresses every four years: the World Road Congress and the International Winter Road Congress.

These exchange opportunities are open to all, upon registration.

In addition, the Association's Committees and bodies also meet very regularly to share knowledge among members. These meetings are not open.

At national level, PIARC National Committees organise meetings and seminars, which allow knowledge to be shared among experts from the country.

Finally, the Association also participates in events organised by other organisations in order to share experiences and develop its partnerships.