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The Danish Road Directorate (DRD) i has a Division of Technology (formally known as the Danish Road Institute), which is the national materials research laboratory of the Danish road sector. The Division of Technology undertakes research and evelopment, laboratory testing of materials and provides road condition measurements and consultancy services for road infrastructure management. The Division of Technology’s total staff is 80 of which 18 are researchers. The Road Directorate with a total staff of some 800 employees is responsible for the construction, maintenance and planning of the state road network of currently 3,800 km with 1,000 km motorways. The aim of The Division of Technology is to develop new knowledge on road materials and methods to improve the economic efficiency in the construction and maintenance of safe, sustainable and effective road systems and measurement methods.
LÄRMKONTOR is among the most experienced noise mapping contractors in Europe and are heavily involved in the EU noise mapping process. The general breadth of experience of LÄRMKONTOR includes experts opinions and studies including noise from various sources, consultation work in Europe, including cities, road directorates and ministries of the environment, and committee work, including CNOSSOS-EU (participation in different working groups and chairmanship of WG10) and the German committee on traffic noise and low-noise road surfaces (chairmanship in both). They have extensive experience in Germany in developing and commenting on guidelines on noise mapping and on other noise related issues.In the past years, LÄRMKONTOR have also focused their development work on their own software tool to increase the speed for evaluating noise mitigation measures. This development also improves the possibilities of public participation.
Institute of Transport Economics (TOI) is the main research institute in Norway on transport, and is an independent non-profit organisation. Main international clients are the Directorates of the European Commission, and Nordic Authorities. Nationally, the institute plays an important role in providing input to Norwegian Public Roads Administration, Municipalities, and other Transportation Authorities on transport policy, long term planning, planning processes, white papers, etc. The institute provides research based input on national noise policies, financial taxation of vehicles, CBA of road surfaces and noise abatement measures, of various infrastructure investments, national traffic safety efforts, etc. TOI employs 70 researchers with interdisciplinary professional backgrounds befitting an institute that applies and organises cross-disciplinary approaches for achieving the contractors’ research goals.