A major research program now being conducted in Brazil is expected to fill the need for an objective method of comparing costs and benefits for highway projects in order to establish priorities for financing. The project involves the collection and analysis of empirical data on road design, deterioration, maintenance, and user costs. The results will be used to extend present highway planning models that analyze the interrelations of the three components affecting road transportation costs: construction, maintenance, and use. The basic activities in the research include making a series of surveys to determine vehicle operating costs in Brazil, conducting experiments to relate speed and fuel consumption, carrying out pavement performance and maintenance experiments, and developing and extending policy-decision models. The Brazilian study is divided into three major parts: road-user cost surveys, road-user cost and traffic experiments, and pavement performance and maintenance studies. The study group is developing parameters to be used in a computer-based user-cost simulation model that will predict speed and fuel consumption relation. Over $0.5 million has already been expended on equipment and instrumentation for this project. This includes a surface dynamics profilometer, Mays road meters, dynaflect, and a device for weighing vehicles in motion.

Media Info

  • Features: Figures; Photos;
  • Pagination: p. 6-9
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00179018
  • Record Type: Publication
  • Files: TRIS, TRB
  • Created Date: Aug 19 1978 12:00AM