Infrastructure Engineering

Highway engineering

From strategic planning to integrated project planning and value retention

Roads are the main arteries of our transport infrastructure. They are both efficient local transport links and efficient transport connections between centres.

At Gruner, we design, plan and realise infrastructure projects and are proud to contribute to their construction, development and maintenance. We advise and support our clients in their road infrastructure projects. We are also committed to promoting and supporting technical solutions that contribute to the goals of sustainable development.

Our main objective is to ensure a safe, comfortable and efficient infrastructure, taking into account the needs and requirements of all stakeholders, whether they are owners, managers or operators of the network, users or residents.

Our aim is to fulfil your specific road and civil engineering needs and provide you with high-quality support that takes into account the current and future opportunities and challenges in this area.

We rely on advanced, efficient and innovative tools and working methods, interdisciplinary project teams made up of generalists and experts, and a participatory and transparent approach.

Every infrastructure project is unique. We develop customised projects that meet the individual requirements and needs of each of our clients and take into account the interests of all stakeholders.

What are the key issues in the planning and realisation of sustainable and coherent construction and infrastructure projects?

We accompany and support you in solving the following problems:

  • How can municipal or urban infrastructures be managed appropriately?
  • How can I contribute to the realisation of sustainable development goals in my civil engineering and road infrastructure projects?
  • How can I implement a sustainable development concept in my projects?
  • How can I develop sustainable and coherent civil engineering and infrastructure projects?

With our services and solutions, we put our expertise and know-how at your disposal for your projects:

  • Maintenance, reinforcement and construction of pavements and road structures (e.g. crossings, islands)
  • Urban development, in particular to increase and improve the safety, quality and accessibility of public spaces
  • Safety, planning and development of infrastructure for soft mobility (e.g. pedestrian crossings, cycle paths, green lanes)
  • Expansion of public transport routes and bus stops (including compliance with the federal law on the elimination of inequalities affecting people with disabilities)
  • Rainwater management of road infrastructure with the aim of preventive and sustainable water management
  • Construction or renewal of industrial pipelines and wastewater and sewerage networks
  • Remediation of road noise.

We also support you in integrating and promoting environmental aspects and sustainable development in your projects, including

  • The development of a sustainable development concept and criteria for your internal procedures and tenders
  • Using recycled materials with the aim of improving the closing of resource cycles
  • The development of adapted implementation methods to contribute to the achievement of sustainable development goals.

What are the most important issues relating to infrastructure maintenance management and safety audits?

We help you to develop and implement solutions for the following questions:

  • How can I manage my road infrastructure network sustainably?
  • How can I maintain a satisfactory level of comfort and safety on my road network while optimising my annual maintenance budget?
  • How can I maintain and preserve the value of my road assets?

Our tailor-made and sustainable solutions help you to manage and preserve the value of your road assets and keep your road infrastructure in a good state of comfort and safety, while optimising the budget allocated to the works. To achieve this, we rely on :

  • Programmes and analysis tools for inspecting, testing and monitoring the condition of your road network;
  • A review of the maintenance needs of your network and the definition of the corresponding maintenance measures (works);
  • The development of an optimised maintenance strategy adapted to your budget and your requirements, enabling the prioritisation and coordination of interventions;
  • An audit of your road infrastructure projects or your existing road infrastructure to identify safety deficiencies (RSA and RSI tools).

What are the most important issues we can help you with in terms of design, dimensioning and structural behaviour of the infrastructure?

If you are asking yourself this question:

  • How do I design optimised pavement structures for site constraints and loads?
  • Which pavement structures and materials are best suited to my infrastructure?
  • How can I design and dimension optimised variants with high added value?
  • How can I utilise the structural potential of existing pavements during maintenance work?
  • How can I diagnose my infrastructure once premature deterioration has occurred?

We put our expertise at your disposal to help you answer these questions. In particular, we rely on :

  • Carrying out design calculations (new construction and reinforcement) using advanced calculation tools and methods for road pavements, multimodal platforms and tramways as well as railways;
  • Development and application of innovative pavement structures and materials to fulfil specific technical requirements.

Our methods and calculation tools enable, among other things

  • Utilise the remaining structural potential of existing materials, optimising the cost and duration of works;
  • The use of materials and the development of variants adapted to the stresses and constraints of the site


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