An evaluation methodology for dynamic route guidance systems

In congested road networks, imperfect knowledge on the part of drivers causes considerable excess travel which accounts for a substantial waste of road users' resources. The Dynamic Route Guidance System (DRGS) concept is seen as one method available to reduce the extra travel cost and improve the network performance. Research work presented in the paper attempts to develop an evaluation model for DRGS applications. The model includes two distinct road user classes which are termed as intelligent (guided) and normal (unguided) users. The route modelling of normal users is based on Burrell's method. The routes for intelligent vehicles are determined by a time dependent minimum cost route method. Simulation techniques have been applied in the evaluation model. A road network consisting of 25 nodes and 80 links has been chosen for a case study application. Three different traffic intensities have been considered to investigate the performance variation of DRGS. The results demonstrate that the DRGS concept can be an effective measure to reduce excess travel. The findings of the study suggest that DRGS is more effective in congested networks. It is also shown that the presence of intelligent vehicles benefits other users as well.


  • English

Media Info

  • Pagination: 213-29
  • Serial:
    • Volume: 17
    • Issue Number: 4

Subject/Index Terms

Filing Info

  • Accession Number: 01434798
  • Record Type: Publication
  • Source Agency: ARRB
  • Files: ATRI
  • Created Date: Aug 24 2012 6:34PM