PROBLEMS OF HIGHWAY PLANNING AND CONSTRUCTION IN THE DEVELOPING COUNTRIES

PROBLEME DER STRASSENPLANUNG UND DES STRASSENBAUS IN ENTWICKLUNGSLAENDERN

Those road projects financed by the EEC up to the end of 1974 in the developing African states included 8616 kilometres of asphalt roads and 3573 kilometres of non-surfaced earth roads. From the hitherto predominating earth roads there is a changeover to surfaced roads. These earth roads are no longer fit for the often under-estimated traffic densities and overloading from lorries with axle loads which often reach 20 tonnes. It has not been possible to obtain good laboratory results on site for soil compactions. Local construction materials were often worse than expected. Surfaced roads also were destroyed for these reasons. Currently when roadworks are planned cost benefit analyses are required. This leads to a priority for road sections on the primary network although distributer roads and feeder roads are often more important. More emphasis is placed upon the often neglected costs of maintenance. In the present development stage the planner must also consider the required cooperation with local contractors. When undertaking contracts the following systems are possible: package deals, undertaking contracts in connection with pre-financing, projects which are financed by international finance institutions and the execution of road projects by direct labour. /TRRL/

Language

  • German

Media Info

  • Features: Figures; Photos;
  • Pagination: p. 125-31
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00194076
  • Record Type: Publication
  • Source Agency: Bundesanstalt für Straßenwesen (BASt)
  • Files: ITRD, TRIS
  • Created Date: Jun 13 1979 12:00AM