COMPARISON OF PERFORMANCE OF TWOPAS AND TRARR MODELS WHEN SIMULATING TRAFFIC ON TWO-LANE HIGHWAYS WITH LOW DESIGN SPEEDS
A comparison of the TWOPAS and TRARR models when used to simulate traffic operation on two-way rural highways with low design speed and two lanes is reported on in this paper. It was found that the TWOPAS and TRARR models are generally comparable in their ability to simulate traffic operations on two-lane, two-way highways. However, the TWOPAS simulation results compared better with field data for roads with an 80-km/hr (50-mph) design speed. This was the case for both a level terrain site and a rolling terrain site. The comparison was made in travel time and percentage time delay. Both models require further work before they can be applied without reservation to the many types of situations that might arise on two-lane roads. It is recommended, however, that TWOPAS be adopted for analysis related to capacity and level of service.
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Supplemental Notes:
- This paper appears in Transportation Research Record No. 1398, Traffic Flow and Highway Capacity. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved
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Authors:
- Botha, Jan L
- Zeng, Xiaohong
- Sullivan, Edward C
- Publication Date: 1993
Language
- English
Media Info
- Features: Figures; References;
- Pagination: p. 7-16
- Monograph Title: Traffic flow and highway capacity
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Serial:
- Transportation Research Record
- Issue Number: 1398
- Publisher: Transportation Research Board
- ISSN: 0361-1981
Subject/Index Terms
- TRT Terms: Alternatives analysis; Design speed; Highway capacity; Level of service; Performance; Rural highways; Traffic delays; Traffic simulation; Travel time; Two lane highways
- Old TRIS Terms: Low design speed
- Subject Areas: Highways; Operations and Traffic Management; I71: Traffic Theory;
Filing Info
- Accession Number: 00638671
- Record Type: Publication
- ISBN: 0309054672
- Files: TRIS, TRB, ATRI
- Created Date: Oct 26 1993 12:00AM