Reflecting on the conclusion of his term, Ralf Pomp shared his views on the achievements and challenges EAPA has faced over the past three years, while Slovenko Henigman presented his vision for the future development of the European asphalt industry and outlined the key priorities facing EAPA in the years ahead.

A number of important challenges remain at the forefront – from sustainable development and the circular economy to digitalisation, the adoption of new technologies and artificial intelligence, as well as ensuring high-quality and long-term sustainable road infrastructure. An important priority for the new EAPA President will also be strengthening cooperation between national asphalt associations and fostering closer collaboration across the European asphalt industry.

Interview with Slovenko Henigman and Ralf Pomp, published in the professional magazine Asphalt & Bitumen.

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The conference is organised by the Spanish association ASEFMA in cooperation with the Slovenian Asphalt Pavement Association (ZAS) and the German association DAV, with the support of EAPA.

This year’s conference will be held under the title “Asphalt 4.0: digital intelligence for more sustainable, durable and productive roads” and will focus on the role of digitalisation and digital intelligence in developing more sustainable, higher-quality, and more productive roads.

The two-day technical programme will bring together representatives from industry, road authorities, research and academic institutions, and technology solution providers. Participants will address key challenges and opportunities of digital transformation, including the impact of digitalisation on decarbonisation, the use of artificial intelligence and digital twins, automated monitoring of road infrastructure, the development of digital road management platforms, and new technologies for quality control and improved pavement durability.

The programme will consist of keynote lectures, technical sessions, and panel discussions, offering participants direct insight into the latest technologies, practical case studies, and experiences from different countries and organisations. The conference therefore represents an important opportunity for knowledge exchange, networking, and joint reflection on the future development of the asphalt industry.

Full conference programme

Further information about the conference and registration is available on the official ICA 4.0 conference website.

The post INVITATION: 5th International conference Asphalt 4.0 appeared first on ZAS.

The event represented an important milestone in the association’s activities and provided an opportunity to review the achievements of the past three decades and reflect on the future development of the asphalt industry and transport infrastructure in Slovenia.

^{Figure 1: Participants of ceremonial event}

Ceremonial Speeches

In his opening address, ZAS President Slovenko Henigman highlighted the importance of the Slovenian Asphalt Pavement Association’s 30 years of activity as a key connecting and professional pillar of the development of the asphalt industry in the country. He outlined its historical development from its establishment in 1996, during the period of intensive construction of the motorway network, to the association’s present role in developing technical guidelines and standards and fostering international cooperation.

He emphasised that the association had made an important contribution to the construction of more than 500 km of motorways, as well as to maintaining and improving the quality of road infrastructure during periods of economic crisis, when its professional work and dialogue helped stabilise the sector.

He went on to highlight the current professional and development challenges facing the asphalt industry, including increasing productivity despite limited human resources, improving working conditions, constructing more durable and resilient roads, and achieving climate neutrality. He also stressed the importance of transferring knowledge to younger generations of engineers and actively involving them in the further development of the profession.

He identified cooperation between companies, institutions and the research community as a key value of the association’s work, as collaboration is what enables professional progress and higher quality. He concluded his address by thanking all stakeholders and reaffirming the association’s commitment to continued professional, open and responsible development.

A special welcome was extended to Prof. Dr Janez Žmavc, who educated the last generation of asphalt professionals and through whose hands all ZAS materials passed during the association’s early years. Recognition was also given to Metod Di Batista, the first Technical Director of DARS and, for ten years, Managing Director of DDC (now DRI), whose work helped establish ZAS within formal institutions at a time when the association had not yet assumed a significant role in the sector.

^{Figure 2: ZAS President, Mag. Slovenko Henigman}

^{Figure 3: Dr Carsten Karcher, EAPA Secretary General}

Dr Carsten Karcher emphasised the importance of the long-standing cooperation between ZAS and the European Asphalt Pavement Association (EAPA). Over the years, ZAS has been recognised as an active and influential member, making an important contribution to professional work at European level and to the development of initiatives such as sustainable solutions in the asphalt industry and the Asphalt 4.0 project.

He particularly highlighted the new challenges facing the sector, especially reducing CO₂ emissions, developing a circular economy, introducing warm-mix asphalt, and improving public procurement so that it is based on quality and environmental criteria. These objectives will be crucial for the future development of the industry and for joint activities within EAPA.

An important part of the speech was dedicated to ZAS founder and President Slovenko Henigman, who laid the foundations of the association in 1996 with his vision of bringing experts together and promoting knowledge exchange. His work now extends beyond national borders, as, in his capacity as President of EAPA, he represents the European asphalt sector as a whole and promotes the values of cooperation, professionalism and connectedness.

The event was not only a celebration of the anniversary, but also a recognition of all ZAS members and Slovenian experts for their contribution to the development of the industry in Slovenia and across Europe. The speaker concluded by expressing his wish for continued successful cooperation and for jointly addressing the challenges of the future.

^{Figure 4: Doc. Dr Aleš Žnidarič, Director of the National Building and Civil Engineering Institute (ZAG)}

Dr Aleš Žnidarič highlighted the role and importance of the Slovenian Asphalt Pavement Association over the past 30 years. The work of the association and asphalt professionals can be seen throughout our transport infrastructure. He particularly welcomed the fact that ZAS and ZAG had travelled this entire journey together, with ZAG, as the national institute, also having a special role and responsibility for high-quality transport infrastructure. He congratulated all participants on the journey completed and on the significant anniversary.

^{Figure 5: Doc. Dr Peter Lipar, Head of the Transport Technical Institute at the Faculty of Civil and Geodetic Engineering, University of Ljubljana, and President of DRC – the Slovenian Association for Transport and Transport Infrastructure}

Dr Peter Lipar, Head of the Transport Technical Institute at the Faculty of Civil and Geodetic Engineering, highlighted the complexity of the modern transport system and the need for professionally grounded and balanced infrastructure development. He critically addressed simplified interpretations of sustainable mobility and the concept of induced traffic, which are often used in public discourse as arguments against the development of transport infrastructure, although from a professional perspective they do not justify passivity.

He particularly emphasised the key development pressures: growing transport demand, the ageing of existing infrastructure, and increasing societal requirements regarding capacity, safety and sustainability. In his view, ignoring these factors does not lead to sustainable solutions, but rather to systemically inadequate decisions.

In his speech, he emphasised the distinction between technology and engineering. Technology defines the optimal laboratory conditions for asphalt mixtures, whereas engineering involves decision-making under real, non-ideal conditions of infrastructure construction and management, where environmental impacts, investor pressures and the long-term behaviour of structures must be considered. It is precisely under these conditions that the professional responsibility of an engineer in ensuring the quality and durability of pavement structures becomes evident.

He also pointed out that asphalt as a structural layer is not merely a technical element but carries a broader engineering responsibility: it affects user safety, the efficient use of public funds and the sustainability of the transport system. In the future, key challenges will include reducing the carbon footprint, introducing advanced technologies and digital quality control, with the role of the profession becoming even more important.

The concluding message emphasised that the quality of road infrastructure is not a matter of chance, but the result of integrating knowledge, experience, and ethical and professional decision-making – values that the association has embodied for three decades.

^{Figure 6: Vesna Nahtigal, Director General of the Chamber of Commerce and Industry of Slovenia (GZS)}

In her address marking the 30th anniversary of the Slovenian Asphalt Pavement Association, the Director General of the Chamber of Commerce and Industry of Slovenia highlighted the exceptional importance of the industry for the development of the Slovenian economy and infrastructure. She pointed out that asphalt paving is a key part of the construction sector, providing high-quality, safe and modern transport connections without which everyday life today would be difficult to imagine.

She also highlighted the high level of expertise, digitalisation and innovation that place the industry among the more advanced segments of the construction sector. Over three decades, the association has made an important contribution to the development of the profession by organising numerous events, training programmes and international cooperation activities.

The address also highlighted the industry’s future role in increasing productivity and creating higher added value for the Slovenian economy. She concluded by noting that roads are not merely infrastructure, but connections between people, regions and opportunities, and stressed the importance of knowledge, cooperation and a long-term vision for future success.

She congratulated ZAS President Slovenko Henigman on his recent election as President of EAPA, which also represents recognition of him and of the Slovenian profession.

Achievements of the Association over Three Decades

The anniversary event presented the extensive activities of the Slovenian Asphalt Pavement Association over the past thirty years. During this period, ZAS organised as many as 168 professional events, attended by more than 18,000 participants from Slovenia and abroad. The events featured 580 presentations by Slovenian experts and more than 250 presentations by international experts, confirming the association’s important role in knowledge transfer, professional networking, and the development of the asphalt and transport infrastructure professions. All these activities are presented in a special brochure published by ZAS for the anniversary event.

Awards Presented to ZAS Member Companies

An important part of the event was the presentation of awards to all ZAS members – legal entities – in recognition of their contribution to the development of the asphalt industry and transport infrastructure in Slovenia. The awards represent a thank-you for their long-standing professional work, cooperation and support for the development of the association and the profession.

^{Figure 7: Award recipients}

Tribute to President Slovenko Henigman for 30 Years of Leading ZAS

Following the award ceremony, a special ceremonial moment took place when Kristjan Mugerli, Vice-President of ZAS, on behalf of all members, presented ZAS President Slovenko Henigman with a commemorative picture as a tribute and thank-you for 30 years of successful leadership of the association. Through this symbolic gesture, the members expressed their gratitude for his dedicated work, vision and significant contribution to the development and recognition of the Slovenian Asphalt Pavement Association.

^{Figure 8: Presentation of the award to the ZAS President}

At the conclusion Henigman thanked the members for their attention and remembered all those who helped shape the Slovenian Asphalt Pavement Association but are no longer with us. He particularly mentioned Aleksander Kerstein, Marjan Makovec and Mag. Jožica Cezar, who made an important contribution to the development of the asphalt profession and to the successful work of the association through their professional work and dedication.

ZAS Activities on Film

As part of the programme, participants also watched two films prepared especially for the association’s anniversary. The film “Looking Back” presented the key milestones, projects and achievements of ZAS over the past thirty years, while the film “Looking Ahead” presented development directions, future challenges and the vision for the further development of the asphalt industry and transport infrastructure in Slovenia.

The cultural programme was enriched by Nuša Derenda, while the evening was hosted by Bernarda Žarn and Tilen Artač, who created a pleasant atmosphere throughout the event with their relaxed yet ceremonial presentation. The highlight of the closing programme was a joint performance of the Slovenian Asphalt Pavement Association anthem by Nuša Derenda and Tilen Artač, creating a special sense of connection and ceremony among all those present.

^{Figure 9: Tilen Artač, Nuša Derenda and Bernarda Žarn}

The official programme was followed by a social gathering, providing an opportunity to exchange professional views, strengthen business and personal ties, and mark the important anniversary in an informal setting.

The ceremonial event marking the 30th anniversary of the Slovenian Asphalt Pavement Association successfully connected the association’s past, present and future, once again confirming the important role of ZAS in the development of the Slovenian road construction profession, in bringing the professional community together, and in promoting high-quality and sustainable development of transport infrastructure.

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Welcome!

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ZAS donated EUR 3,000 to the Pediatric Clinic of the Ljubljana University Medical Centre (UKC Ljubljana) for the purchase of a transcranial magnetic stimulation device, which will contribute to even higher-quality treatment and care for children and adolescents.

In addition, the members of the ZAS Management Board donated EUR 1,400 to the charitable campaign “Pomagajmo Jaku.”

On the occasion of our 30th anniversary, we wish to give part of our successful story back to the community and to individuals in need of support. We are pleased that, through our joint efforts, we were able to contribute to two important charitable projects.

ZAS – Slovenian Asphalt Pavement Association

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MSc Slovenko Henigman is internationally recognized as one of the key experts in the sector. He has been actively involved in EAPA for several decades, among other roles serving as a member of the Executive Committee and as Vice President. His election to the highest office within EAPA represents an exceptional recognition and a strong vote of confidence by the European professional community in the Slovenian Asphalt Pavement Association. With Henigman’s support and commitment, ZAS joined EAPA back in 1997, just one year after its establishment. As a result, the voice of the Slovenian asphalt industry will be even more strongly represented at the European level in the coming years.

“I am honoured to have been entrusted with the position of President of EAPA. I understand this as recognition of Slovenian expertise, which over the past three decades has demonstrated its quality, innovation, and reliability. In my new role, I will place particular emphasis on collaboration, open cooperation, and the timely identification of current issues that we as an industry need to address,” Henigman emphasized upon his election.

He added that his mandate will pursue a clear objective: to ensure modern, sustainable, and safe (road) infrastructure for current and future generations.

“I will strengthen road development, inspire young talents, and accelerate technological advancement – key factors for the future of the asphalt industry. Roads are our first social network and the foundation of economic development. Asphalt represents the future of sustainable mobility, as it is not merely a black rock – today, asphalt mixes are already 95% recyclable.”

Which three development pillars will Henigman place at the forefront of EAPA?

1. Strengthening the development and maintenance of road infrastructure

Henigman emphasizes that 90% of all passenger transport and more than 70% of freight transport in Europe and Slovenia takes place on roads, making their high‑quality management essential for the economy, mobility, and connectivity. Timely and regular pavement maintenance not only improves safety but also reduces fuel consumption, extends the service life of asphalt surfaces, and lowers the carbon footprint – fully aligned with EU environmental objectives.

2. Encouraging young people to pursue careers in the asphalt industry

The sector is facing a shortage of skilled labour. One of the key goals of Henigman’s efforts will therefore be to motivate young talent, strengthen cooperation between educational institutions and companies, and enhance the visibility of the profession as a modern, technologically advanced, and long‑term career opportunity.

3. Digitalization, automation, and strengthening sustainability in the asphalt industry

Digital advancement will remain one of the leading European trends shaping the industry. As EAPA President, and in alignment with international development pathways already identified by EAPA, Henigman will support projects related to:

• the use of data for smart management of road infrastructure,
• automation of production, paving, and quality control processes,
• maximizing the integration of the circular economy and achieving carbon neutrality,
• improved design and construction of pavements to achieve the highest possible durability and quality.

^{Assembly in Berlin at which a new president was elected}

^{From left: Ralf Pomp, Mats Wendel, Asphalt ambasador 2026 and Slovenko Henigman}

^{From left: Ralf Pomp, the former president and Slovenko Henigman, the newly elected president}

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The Slovenian Asphalt Pavement Association is celebrating the 20th Colloquium on Asphalts, Bitumen and Pavements in Bled this year—an important milestone that we would not have reached without our long-standing partnership with PETROL. Since the establishment of ZAS in 1996, PETROL has been our loyal companion: in the same year, we jointly organised the first professional meeting on polymer-modified bitumen in Gozd Martuljek. In the years that followed, we grew together, expanded our professional horizons, and strengthened the tradition of the colloquium, which has evolved from an annual gathering into a biennial professional forum with a recognised role both in Slovenia and the wider region.

Through all relocations—from Gozd Martuljek to Kranjska Gora and later to Bled—and through all developmental phases of the event, from the original Bitumen Colloquium to today’s Colloquium on Asphalts, Bitumen and Pavements, PETROL has remained our main sponsor, co-organiser, and reliable professional partner. Their support, expertise, and understanding of the importance of high-quality road infrastructure have greatly contributed to making CABP the most important industry event in Slovenia.

On this anniversary occasion, we would like to express our sincere gratitude to all PETROL management teams over the past decades, and especially to the current Management Board and its President, Saša Berger, for continuing this valuable tradition. Your commitment to the development of the profession and to supporting the community is deeply appreciated.

On behalf of the Slovenian Asphalt Pavement Association – thank you for twenty years of trust, partnership, and co-creating our shared story.

^{Slovenko Henigman, president of ZAS and Sašo Berger, president of management board Petrol}

Special recognitions

The Slovenian Asphalt Pavement Association traditionally presents special awards to individuals at the Colloquium on Asphalts, Bitumen and Pavements for their contributions to the asphalt sector and/or for their support of the activities of the Slovenian Asphalt Association.
At its 166th meeting on 4 September 2025, the Management Board appointed a five-member committee, which selected from among the nominated candidates five experts who will today, at the 20th CABP, receive the ZAS awards for the development of the asphalt industry.

The awards were presented to:

Sebastjan Černigoj, M.Sc. Civil Engineering

Sebastjan Černigoj graduated in 2004 from the Faculty of Civil and Geodetic Engineering at the University of Ljubljana. Soon after joining the predecessor of KOLEKTOR CPG, he began working on construction sites, where he first started as an assistant and for many years now has been the lead manager of the most demanding projects in the construction and maintenance of roads, especially in motorway rehabilitation. In project execution, he has repeatedly demonstrated strong and effective proposals for improving work performance.
On his initiative, the company introduced MULTIPLEKS BIG SKI and, after many years, again tested asphalt paving using a rented material transfer vehicle. He has also published several professional articles in the field of asphalt engineering.
He has repeatedly proven himself an excellent mediator in problem-solving. Since 2018, he has been a member of the DARS Asphalt Commission, providing numerous proposals for improving conditions in the industry. He has attended ZAS Management Board meetings as a deputy since 2023.
For his active role in the development of asphalt engineering in Slovenia, the Slovenian Asphalt Pavement Association presents him with a special award.

^{Kristjan Mugerli, vicepresident of ZAS, Sebastjan Černigoj and Slovenko Henigman, president of ZAS}

Matic Poznič, B.Sc. Civil Engineering

Matic Poznič graduated in 2007 from the Faculty of Civil Engineering at the University of Ljubljana, specialising in structural engineering. After graduating, he was invited to join DARS, where he was initially expected to oversee bridge structures within the maintenance department.
Circumstances led him, already in 2010, to assume the leadership of the entire motorway reconstruction service in Slovenia. Throughout his career, he has shown a strong interest in cooperation and professional exchange, offering excellent proposals and striving to implement them in practice. He has often enriched the training of asphalt engineers, contributed to the work of the ZAS Technical Committee and the ZAS Colloquium.
As a client representative, both in the Asphalt Commission and in operational project execution, he has always shown understanding for high-quality and efficient work. He has also authored numerous technical contributions in the field of asphalt engineering and has strongly advocated for active industry participation. For his dedication, engagement, and great support for asphalt engineering, the Slovenian Asphalt Pavement Association presents him with a special award.

^{Kristjan Mugerli, vicepresident of ZAS, Matic Poznič and Slovenko Henigman, president of ZAS}

Marijan Prešeren, M.Sc. Civil Engineering

Marijan Prešeren graduated in 1992 from the Faculty of Civil and Geodetic Engineering in Ljubljana. His first employment was at the Geological Survey in Ljubljana, where he remained for a year and a half. He then returned to his hometown of Novo mesto, where he continued his career at the predecessor of today’s company CGP.
During his 20 years with the company, he led the quality control department and served for more than 10 years as a member of the management board for technical affairs. For a shorter period, he also served as the general director of CGP.
His path then led him to two mid-sized construction companies and later to the ZRMK Building Institute in Ljubljana, which he successfully managed as director during his last term, achieving excellent results.
He has been very active in the civil engineering community, serving for many years as president of the Dolenjska Roads Association, as a member of the DRC Assembly, and has been an active member of the Slovenian Asphalt Association since its establishment in 1996. He has served on numerous professional committees and held positions on both the Management Board and the Supervisory Board of ZAS in various terms.
Through his work with ZAS, he has contributed numerous proposals for the development of the asphalt industry and road infrastructure. He has always had a strong sense for organising professional events and conferences.
For his dedicated work, the Slovenian Asphalt Pavement Association presents him with a special award.

^{Marijan Prešeren}

Ralf Pomp, President of EAPA

With great pride, we present a special award of the Slovenian Asphalt Association to Mr. Ralf Pomp, who has been the president of the European Asphalt Pavement Association (EAPA) for the past three years.
His outstanding professional contributions and leadership in this industry have had a significant impact on the development and progress of the European asphalt sector.
His long-standing work in management, technological development, and industry representation demonstrates his commitment and expertise. With his experience and knowledge, he has greatly contributed to improving quality, boosting innovation, and enhancing cooperation among professionals in the industry. As EAPA president, he is particularly committed to bringing asphalt-related professions closer to the younger generation entering the labour market.
He has shared his views at various ZAS events in Slovenia, impressed participants with his proposals, and consistently supported the development of the asphalt industry.
For all his efforts in advancing the asphalt sector in Europe and Slovenia, we sincerely thank him and present him with the special award of the Slovenian Asphalt Pavement Association.

^{Ralf Pomp}

ASPHALT AMBASADOR

Eight years ago, the ZAS Management Board decided to award the title AMBASSADOR OF ASPHALT at the colloquiums to outstanding individuals whose work and dedication promote the mission of the asphalt industry and the professional organisation ZAS.
This title represents the highest recognition of the Slovenian Asphalt Pavement Association.

The first Ambassador of Asphalt was chosen at the 16th colloquium eight years ago. Two years ago, this honour was bestowed upon Janez Prosen. Today, for the fifth time, we present the title:

AMBASSADOR OF ASPHALT for the period 2025–2027 to Zvonko Cotič

Zvonko Cotič is a civil engineering graduate and one of Slovenia’s leading experts in asphalt technologies. He has more than three decades of experience in the development, optimisation, and supervision of asphalt mixtures for road infrastructure.
He began his career in the 1990s at CP Gorica and later at Primorje, where he led the areas of quality, development, and technology. There he gained in-depth understanding of technological processes, material behaviour, and the demanding procedures for ensuring compliance in large infrastructure projects.
As Director of Research and Development at STRUCTUM, he is deeply engaged in introducing modern, sustainable, and recycled materials into asphalt mixtures. His work includes developing advanced asphalts, particularly mixtures with crumb rubber-modified binders, reclaimed asphalt materials, and steelmaking slag. He places special focus on reducing road noise and finding material solutions that extend road life while reducing maintenance costs. He has also broadened his expertise into geotechnical and concrete technologies.
Zvonko Cotič regularly lectures at professional conferences, presenting Slovenian and international best practices. He collaborates with research institutions, engineering firms, and industry associations, contributing to raising standards in asphalt technology and promoting sustainable approaches in road construction.
He is a member of several professional committees and of the honorary tribunal of ZAS. At previous colloquiums, he has presented eight technical papers. He has also contributed to ZAS training programmes, Asphalt Days, and other events. His strong communication skills and compelling presentations make him a highly valued speaker.
With his initiatives and work, he has enabled exceptional progress in the Slovenian asphalt industry and significantly supported the activities of ZAS. Therefore, at the 20th Colloquium on Asphalts and Bitumen in Bled, the Slovenian Asphalt Pavement Association proudly awards him the title AMBASSADOR OF ASPHALT.

^{Zvonko Cotič, Asphalt ambasador 2025-2027 and Janez Prosen, Asphalt ambasador 2023-2025}

^{Kristjan Mugerli, vicepresident of ZAS, Zvonko Cotič, Asphalt ambasador 2025-2027, Janez Prosen and Slovenko Henigman, president of ZAS}

^{Matic Poznič, Zvonko Cotič, Marijan Prešeren, Sebastjan Černigoj and Ralf Pomp}

Video of cultural event and ZAS recognitions

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The Slovenian Asphalt Pavement Association (ZAS), in cooperation with Petrol d.d., is organizing the 20th Jubilee Colloquium on Asphalts, Bitumen and Pavements, which will take place on 27–28 November 2025 in Bled, Slovenia.

The colloquium represents the central professional meeting in the field of road construction in Slovenia in 2025.

The event is intended for a broad range of experts from the asphalt industry, including asphalt producers, contractors, clients, engineers, designers, and representatives of the academic community.

INVITATION

More detailed information on the programme and registration is available on the website Home – Kolokvij

Registrartion: Application – Kolokvij

We look forward to your participation!

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Welcome!

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The 20th CABP will be held in the beautiful town of Bled, Slovenia, from November 26 to November 28, 2025, at the Rikli Balance Hotel. This event is aimed at everyone involved in the asphalt industry, especially asphalt producers, contractors, clients, engineers, designers, and academics.

We would be delighted if you could contribute a professional paper for one of the following sections, which we may adjust or rename as necessary:

 •             Section 1: Recycling, Circular Economy, and Basic Materials in Asphalt (Aggregates, Bitumen, Additives)

•             Section 2: Manufacture of Asphalt Mixtures, Testing, and Equipment

•             Section 3: Design, Construction, and Maintenance of Asphalt Pavement Structures

•             Section 4: Asphalt 4.0 and Advanced Technologies

All contributions will be published in the colloquium proceedings, and the Programme Committee will select papers for live presentations.

To confirm your participation, please send us the title of your paper, the section you wish to contribute to, and a brief summary by April 30, 2025.

We look forward to your participation and would like to express our sincere gratitude for your cooperation.

More information on internet site

INVITATION FOR PRESENTERS

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