Determination of traffic parameters using cumulative flow measurements

The exact positioning of two successive cumulative flow curves next to each other on the cumulative flow-time diagram ensures the construction of space-time discretization domians of long sections and inttervals of measurement.Defining such a domain and collection point data from detectors, a corresponding discretization model has been studied, called Modified Edie's domain model, which provides accurate estimates of the three fundamental traffic parameters. Furthermore, it has been compared to two alternative models already proposed by other researchers. This model is proven to be superior to the alternatives in recognizing the onset of the congestion. The accuracy of the parameters estimated by the model could be significantly improved when the ratio of section length to interval of measurement is appropriately selected. (A)

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/18245463
• Authors:
  • KONTARATOS, M
• Publication Date: 2006-11

Language

• English

Media Info

• Pagination: 39-54
• Serial:
  • Advances in Transportation Studies
  • Volume: 10
  • Publisher: University Roma Tre
  • ISSN: 1824-5463
  • Serial URL: http://www.atsinternationaljournal.com/

Subject/Index Terms

• TRT Terms: Density; Discrete systems; Mathematical models; Properties of materials; Roads; Speed; Time; Traffic; Traffic congestion; Traffic flow
• Uncontrolled Terms: Discontinuous
• Subject Areas: Highways; Materials; Operations and Traffic Management; Planning and Forecasting; I70: Traffic and Transport; I72: Traffic and Transport Planning;

Filing Info

• Accession Number: 01038262
• Record Type: Publication
• Source Agency: TRL
• Files: ITRD, ATRI
• Created Date: Dec 19 2006 10:44AM