PLANNING AND PREDICTING THE MAINTENANCE NEEDS FOR FEDERAL ROADS IN AUSTRIA

The theoretical model presented, which is based on a probability distribution for total failure of road components, provides a simple and easily applicable instrument for medium- and long-term maintenance demand forecasting. Its results correspond well with the actual situation of the motorway and expressway network. In the case of federal highways, the theoretical maintenance demand lies clearly higher than the actual expenditures. Generally speaking, the maintenance demand is mainly influenced by two factors: (1) the life span of each road component; and (2) the share of road components with a short life span (equipment, electronics ...). The Austrian road network is relatively young and the maintenance of long-lived but very expensive engineering structures only at a very early stage. Today, estimated maintenance demand is about 0.8% of the capital asset value. Over the next 30 years we must expect maintenance demand to increase at an annual rate of 2.2%, effectively doubling over this time period. The maximum maintenance demand, equivalent to about 2% of capital asset value, will be reached in approximately 70 years. For the covering abstract see ITRD E108018.

Language

  • English

Media Info

  • Features: References;

Subject/Index Terms

Filing Info

  • Accession Number: 00808035
  • Record Type: Publication
  • Source Agency: Transport Research Laboratory
  • Files: ITRD
  • Created Date: Apr 4 2001 12:00AM