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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
May 19-21, 2025 16th ITS European Congress Seville (Spain) Environment
Road Network Operations
Urban Mobility
Freight Transport
 International events
May 21-23, 2025 International Seminar "Tunnel Tech: Leading the way forward - Resilience, Smart Technology, Low Carbon and Sustainable Development" Second announcement of the seminar First announcement of the seminar Chongqing (China) Road Tunnel Operations
TC 4.4 		PIARC Seminars
May 21-23, 2025 ITF 2025 Summit Leipzig (Germany) Road Policies
Risk Management
Road Network Operations
 International events
May 26 & 28-30, 2025 Meeting of the Technical Committee 1.5 "Disaster Management"  (Reserved to PIARC members only) Osaka (Japan) Environment
Risk Management
TC 1.5 		PIARC Meetings
May 26-28, 2025 ASECAP Days 2025 Madrid (Spain) Environment
Financing of Road System
Road Safety
Road Network Operations
Urban Mobility
 International events
May 27, 2025 International Workshop "Road Disaster Management: Enhancing Coordination, Cooperation and Diversity" Second announcement First announcement Osaka (Japan) Risk Management
TC 1.5 		PIARC Workshops
June 08-12, 2025 TRB 7th International Conference on Roundabouts and Geometric Design Atlanta (United States) Road Safety
Road Network Operations
Design of Inter-urban Roads
 PIARC will be there
June 12, 2025 Meeting of the Technical Committee 4.6 "Road Design Standards" (Reserved to CT 4.6 members only) Atlanta (United States) Road Network Operations
TC 4.6 		PIARC Meetings
June 17-19, 2025 Intertraffic Americas/Mexico City 2025 Mexico City (Mexico) Road Safety
Road Network Operations
Urban Mobility
Road Assets Management
 International events
June 29 - July 03, 2025 International Symposium "Navigating the Future of Traffic Management" Symposium Announcement Symposium Call for Papers Athens (Greece) Road Network Operations
 International events
July 03-04, 2025 Meeting of the Technical Committee 2.4 "Road Network Operations and ITS for Sustainability" (Reserved to PIARC members only) Athens (Greece) Road Network Operations
TC 2.4 		PIARC Meetings
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 22-24, 2025 EURO:TUN 2025 Vienna (Austria) Road Tunnel Operations
 International events
Rescheduled for late 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
October 15-17, 2025 International Seminar "Responding to Extreme Weather impact on road transport and infrastructure" Cape Town (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" Fès (Morocco) Urban Mobility
TC 2.1 		PIARC Seminars
October 26-31, 2025 REAAA Conference Goyang 2025 Goyang (South Korea) Environment
Road Safety
Road Network Operations
Road Pavements
 International events
November 12-14, 2025 International Seminar "Convergence of New Technologies for Road Network Operations, ITS and Connected cooperative Mobility" Tunis (Tunisia) Road Network Operations
TC 2.4 		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
March 10-13, 2026 Intertraffic Amsterdam 2026 Amsterdam (Netherlands) Road Safety
Road Network Operations
Urban Mobility
Road Assets Management
 International events
April 20-22, 2026 13th International Conference "Tunnel Safety and Ventilation" Graz (Austria) Road Tunnel Operations
 National Committees (Austria)
May 15-21, 2026 WTC 2026 (World Tunnel Congress 2026) Montreal (Canada-Quebec) Road Tunnel Operations
 International events
May 18-21, 2025 TRA 2026 Budapest (Hungary) Road Policies
Environment
Road Safety
Urban Mobility
 International events

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.