Sina is the engineering company of the ASTM Group, the second largest motorway operator in the world and a global player in major infrastructure works. An industry leader for over fifty years in the study, design and management of new works in the mobility, telecommunications, highway and railway, port and logistics platform sectors, Sina guarantees that its infrastructure benefits from the most efficient life cycle. The company's business approach, focused on identifying the best solutions from a technical, economic and sustainable perspective, aims to promote the optimum integration of the project into the surrounding landscape through environmental impact assessments, environmental mitigation initiatives and site monitoring and enhancement methods.