Uncertainty in Traffic Flow Estimation Using the Moving-Observer Method
This conference paper, from the 2002 meeting of the Institution of Professional Engineers New Zealand (IPENZ) Transportation Group, reports on a study of uncertainty in traffic flow estimation. The authors investigated the feasibility and accuracy of the moving-observer method for rural roads in New Zealand, many of which have low flow rates. The moving observer method involves an observer in a moving vehicle counting the number of oncoming vehicles passed in a specified length of road. If the average speed of the moving vehicle, length of road, and trip time are known, then the flow rate can be calculated. The authors conclude that in order to achieve an acceptable level of accuracy for low flow rural roads, the moving-observer method requires too many trips to be practical. The method is better suited to a high volume urban road, although there are some considerations as to accuracy in that setting as well.
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Corporate Authors:
Institution of Professional Engineers New Zealand
158 The Terrace
Wellington, New Zealand -
Authors:
- MULLIGAN, A -
- NICHOLSON, A
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Conference:
- Institution of Professional Engineers New Zealand (IPENZ) Transportation Group. Technical Conference Papers 2002
- Location: Rotorua , New Zealand
- Date: 2002-9-25 to 2002-9-25
- Publication Date: 2002
Language
- English
Media Info
- Media Type: Print
- Features: Appendices; Figures; References; Tables;
- Pagination: 12p
- Monograph Title: Institution of Professional Engineers New Zealand (IPENZ) Transportation Group. Technical Conference Papers 2002
Subject/Index Terms
- TRT Terms: Accuracy; Estimation theory; Feasibility analysis; Highway planning; Rural areas; Traffic counting; Traffic flow; Traffic flow rate; Transportation planning
- Uncontrolled Terms: Moving observers
- Geographic Terms: New Zealand
- Subject Areas: Data and Information Technology; Highways; Operations and Traffic Management; Planning and Forecasting; I72: Traffic and Transport Planning;
Filing Info
- Accession Number: 01050204
- Record Type: Publication
- Files: TRIS, ATRI
- Created Date: May 31 2007 6:28AM