ESTIMATION OF CRITICAL GAPS IN TWO MAJOR STREAMS
Various authors have presented capacity formulas for the case of more than 1 major lane when the lanes are not superposed. It has been shown that the allocation of the major flow on to the different lanes and different critical gaps for the major lanes have a substantial effect on the capacity for a minor lane. In this paper, a maximum likelihood method for estimating the different critical gaps for the case of 2 major lanes is presented. The method can handle possible linear correlation between the critical gaps for the 2 major lanes. It is tested on simulated data and then applied on real data. It is then shown that the critical gaps differ between the 2 major lanes. The correlation coefficient was estimated for some of the subsets, but for most of the subsets it was not possible to estimate.
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Availability:
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Corporate Authors:
The Boulevard, Langford Lane
Kidlington, Oxford United Kingdom OX5 1GB -
Authors:
- Hagring, O
- Publication Date: 2000-5
Language
- English
Media Info
- Features: Figures; References; Tables;
- Pagination: p. 293-313
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Serial:
- Transportation Research Part B: Methodological
- Volume: 34
- Issue Number: 4
- Publisher: Elsevier
- ISSN: 0191-2615
- Serial URL: http://www.sciencedirect.com/science/journal/01912615
Subject/Index Terms
- TRT Terms: Highway capacity; Highway transportation; Maximum likelihood method; Simulation; Traffic characteristics; Traffic estimation; Traffic flow; Traffic lanes; Traffic relationships
- Uncontrolled Terms: Critical gaps (Traffic)
- Subject Areas: Highways; Operations and Traffic Management; Planning and Forecasting; I71: Traffic Theory; I72: Traffic and Transport Planning;
Filing Info
- Accession Number: 00792656
- Record Type: Publication
- Files: TRIS, ATRI
- Created Date: May 25 2000 12:00AM