Capacity Estimation Of Two Sided Type C Weaves On Freeways

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Capacity Estimation of Two-sided Type C Weaves on Freeways

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Author : Phong Thanh Vo
Publisher :
ISBN 13 : 9780549145202
Total Pages : pages
Book Rating : 4.1/5 (452 download)

Book Synopsis Capacity Estimation of Two-sided Type C Weaves on Freeways by : Phong Thanh Vo

Download or read book Capacity Estimation of Two-sided Type C Weaves on Freeways written by Phong Thanh Vo and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A weaving section is a common design on major highway facilities that has been an interest to researchers for years. Weaving areas are characterized by frequent lane changes, which significantly reduce the capacity of the freeway system. The 2000 Highway Capacity Manual (HCM) defined weaving capacity as "any combination of flows that causes the density to reach the LOS E/F boundary condition of 43 pcpmpl for freeways" based on configuration, number of lanes in the weaving section, free-flow speed, length of the weave, and volume ratio (VR). However, no research has been focused on the two-sided type C weaves, which is the most difficult weave to maneuver, where one weaving movement must cross all the freeway lanes. Simulation is the key element for this research and the VISSIM model was calibrated using the data collected in San Antonio to make sure that the model behaves the same as the observed traffic in the field. Moreover, distributions of vehicles on each lane and/or the lane changing patterns of traffic and/or gap characteristics within the weaving area were included in the simulation model. The regression model described in this dissertation is not a speed-based model, as is the model in the current HCM, but is developed to predict capacity of two-sided type C weave for the entire range of flow combinations based on simulation runs. The result found in this research is a reliable technique for evaluating a weaving performance and should be easy to explain to practitioners.

Dissertation Abstracts International

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Author :
Publisher :
ISBN 13 :
Total Pages : 980 pages
Book Rating : 4.F/5 ( download)

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Download or read book Dissertation Abstracts International written by and published by . This book was released on 2008 with total page 980 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Estimation of the Capacity in the Freeway Weaving Areas for Traffic Management and Operations

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Author : Eil Kwon
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.3/5 (555 download)

Book Synopsis Estimation of the Capacity in the Freeway Weaving Areas for Traffic Management and Operations by : Eil Kwon

Download or read book Estimation of the Capacity in the Freeway Weaving Areas for Traffic Management and Operations written by Eil Kwon and published by . This book was released on 1999 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research developed an online procedure to estimate the weaving capacity through time for a simple ramp-weave section, the most common type of weaving areas in the Twin Cities' freeway network. The field observations and the analysis of the traffic data collected from a sample weaving section indicate that the freeway-to-ramp and ramp-to-freeway vehicles first merge and travel together at the beginning portion of the auxiliary lane before they split to the mainline or exit ramp.

Two-sided Weaving Analysis on One-way Frontage Roads

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Author : Lewis Nowlin
Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.3/5 (555 download)

Book Synopsis Two-sided Weaving Analysis on One-way Frontage Roads by : Lewis Nowlin

Download or read book Two-sided Weaving Analysis on One-way Frontage Roads written by Lewis Nowlin and published by . This book was released on 1996 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report is part of a larger study developing a level of service evaluation procedure for freeway frontage roads. The results from this report will aid engineers in evaluating existing and proposed two-sided weaving sections on one-way frontage roads. The procedures developed can be used to estimate the level of service at these types of sections. This, in turn, will aid engineers in prioritizing frontage road improvement projects and/or predicting future operations. Also provided are recommended desirable and minimum exit ramp-to-intersection spacings. The results from this study will be incorporated into the final frontage road analysis package.

Capacity Analysis Techniques for Design and Operation of Freeway Facilities

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Author : Jack E. Leisch
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Capacity Analysis Techniques for Design and Operation of Freeway Facilities by : Jack E. Leisch

Download or read book Capacity Analysis Techniques for Design and Operation of Freeway Facilities written by Jack E. Leisch and published by . This book was released on 1974 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Highway Capacity Manual: A Conceptual and Research History

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Author : Roger . P Roess
Publisher : Springer Science & Business Media
ISBN 13 : 3319057863
Total Pages : 491 pages
Book Rating : 4.3/5 (19 download)

Book Synopsis The Highway Capacity Manual: A Conceptual and Research History by : Roger . P Roess

Download or read book The Highway Capacity Manual: A Conceptual and Research History written by Roger . P Roess and published by Springer Science & Business Media. This book was released on 2014-04-03 with total page 491 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since 1950, the Highway Capacity Manual has been a standard used in the planning, design, analysis, and operation of virtually any highway traffic facility in the United States. It has also been widely used abroad, and has spurred the development of similar manuals in other countries. The twin concepts of capacity and level of service have been developed in the manual, and methodologies have been presented that allow highway traffic facilities to be designed on a common basis, and allow for the analysis of operational quality under various traffic demand scenarios. The manual also addresses related pedestrian, bicycle, and transit issues. This book details the fundamental development of the concepts of capacity and level of service, and of the specific methodologies developed to describe them over a wide range of facility types. The book is comprised of two volumes. Volume 1 (this book) focuses on the development of basic principles, and their application to uninterrupted flow facilities: freeways, multilane highways, and two-lane highways. Weaving, merging, and diverging segments on freeways and multilane highways are also discussed in detail. Volume 2 focuses on interrupted flow facilities: signalized and unsignalized intersections, urban streets and arterials. It is intended to help users of the manual understand how concepts, approaches, and specific methodologies were developed, and to understand the underlying principles that each embodies. It is also intended to act as a basic reference for current and future researchers who will continue to develop new and improved capacity analysis methodologies for many years to come.

Analytical Procedures for Estimating Capacity of Freeway Weaving, Merge, and Diverge Sections

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Author : Hesham Rakha
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.3/5 (555 download)

Book Synopsis Analytical Procedures for Estimating Capacity of Freeway Weaving, Merge, and Diverge Sections by : Hesham Rakha

Download or read book Analytical Procedures for Estimating Capacity of Freeway Weaving, Merge, and Diverge Sections written by Hesham Rakha and published by . This book was released on 2006 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The 1985 Highway Capacity Manual

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Author :
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis The 1985 Highway Capacity Manual by :

Download or read book The 1985 Highway Capacity Manual written by and published by . This book was released on 1986 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a summary of the 1985 Highway Capacity Manual (HCM), and has been prepared for personnel of the Federal Highway Administration to assist in the transition from the 1965 HCM to the 1985 HCM. This summary highlights the major differences between the 1965 HCM and the 1985 HCM. The key features and the principal contents of the 1985 HCM are also highlighted. The 1985 HCM is a major evolutionary step forward in the state-of-the-art of highway and traffic operational and design analysis. It provides a means of evaluating alternative solutions to traffic problems, solutions which still require the expertise and creativity of the professional engineer.

Special Report - Highway Research Board

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Author : National Research Council (U.S.). Highway Research Board
Publisher :
ISBN 13 :
Total Pages : 424 pages
Book Rating : 4.X/5 (4 download)

Book Synopsis Special Report - Highway Research Board by : National Research Council (U.S.). Highway Research Board

Download or read book Special Report - Highway Research Board written by National Research Council (U.S.). Highway Research Board and published by . This book was released on 1966 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Weave Analysis Performance Matrix Refinement

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Author : Alexander Skabardonis
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.F/5 ( download)

Book Synopsis Weave Analysis Performance Matrix Refinement by : Alexander Skabardonis

Download or read book Weave Analysis Performance Matrix Refinement written by Alexander Skabardonis and published by . This book was released on 2014 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Weaving Analysis Procedures for the New Highway Capacity Manual

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Author : William R. Reilly
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (1 download)

Book Synopsis Weaving Analysis Procedures for the New Highway Capacity Manual by : William R. Reilly

Download or read book Weaving Analysis Procedures for the New Highway Capacity Manual written by William R. Reilly and published by . This book was released on 1984 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Capacity Estimation Method for Two-lane, Two-way Highways Using Simulation Modeling

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Author : Joonhyo Kim
Publisher :
ISBN 13 : 9781109446135
Total Pages : 223 pages
Book Rating : 4.4/5 (461 download)

Book Synopsis A Capacity Estimation Method for Two-lane, Two-way Highways Using Simulation Modeling by : Joonhyo Kim

Download or read book A Capacity Estimation Method for Two-lane, Two-way Highways Using Simulation Modeling written by Joonhyo Kim and published by . This book was released on 2006 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 2000 HCM (Highway Capacity Manual) suggests the capacity of two-lane, two-way highways to be 3,400 pcph for both directions and 1,700 pcph for one direction. In fact, higher traffic volumes have been observed in previous studies. Also, a single capacity value cannot reflect the variety of traffic, geometric, and driver conditions that may exist on two-lane, two-way highways. In addition, observation of capacity is difficult, so a new simulation model is developed in this study. Capacity of two-lane, two-way highways is estimated using a microscopic simulation model, which is developed with MATLAB 6.5. Due to the absence of capacity data, the newly developed simulator, TWOSIM (Two-lane, two-way highway SIMulator) is compared to existing analytical tools such as TWOPAS and 2000 HCM method for verification of its performance. Using TWOSIM, the capacity (i.e., 100 percent no-passing zone, all passenger cars and commuters, level tangent section, 12' lane width, 6' shoulder width) for one direction is estimated to be 2,100 pcph at 60 and 70 mph average free flow speeds, 2,000 pcph at 50 mph average free flow speed, and 1,850 pcph at 40 mph average free flow speed. These estimated capacities are higher than the 2000 HCM's estimated capacity for one direction. The presence of passing zones was not found to increase capacity. Additional capacity values are estimated to account for the presence of a driveway, a horizontal curve, a grade, and various percentages of trucks in the traffic stream. These treatments were found to reduce capacity (5~38 percent reduction in capacity). Based on the results, recommendations are provided regarding changes in the 2000 HCM, as well as in the model calibration and algorithm improvement of TWOSIM.

INFORMS Annual Meeting

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Author : Institute for Operations Research and the Management Sciences. National Meeting
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.E/5 ( download)

Book Synopsis INFORMS Annual Meeting by : Institute for Operations Research and the Management Sciences. National Meeting

Download or read book INFORMS Annual Meeting written by Institute for Operations Research and the Management Sciences. National Meeting and published by . This book was released on 2005 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bel Marin Keys Unit 5

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Author :
Publisher :
ISBN 13 :
Total Pages : 764 pages
Book Rating : 4.3/5 (555 download)

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Download or read book Bel Marin Keys Unit 5 written by and published by . This book was released on 1993 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Civil Engineering

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Author : Donald G. Newnan
Publisher : Kaplan AEC Engineering
ISBN 13 : 9780793195565
Total Pages : 762 pages
Book Rating : 4.1/5 (955 download)

Book Synopsis Civil Engineering by : Donald G. Newnan

Download or read book Civil Engineering written by Donald G. Newnan and published by Kaplan AEC Engineering. This book was released on 2004 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is a study guide for the civil engineer taking the PE exam. Solved problems throughout each chapter reinforce the concepts discussed in the text.

Traffic Flow Theory and Highway Capacity, 2003

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Author : National Research Council (U.S.). Transportation Research Board
Publisher :
ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.:/5 ( download)

Book Synopsis Traffic Flow Theory and Highway Capacity, 2003 by : National Research Council (U.S.). Transportation Research Board

Download or read book Traffic Flow Theory and Highway Capacity, 2003 written by National Research Council (U.S.). Transportation Research Board and published by . This book was released on 2003 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Planning Techniques to Estimate Speeds and Service Volumes for Planning Applications

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Author : Richard Gerhard Dowling
Publisher : Transportation Research Board
ISBN 13 : 9780309060585
Total Pages : 156 pages
Book Rating : 4.0/5 (65 download)

Book Synopsis Planning Techniques to Estimate Speeds and Service Volumes for Planning Applications by : Richard Gerhard Dowling

Download or read book Planning Techniques to Estimate Speeds and Service Volumes for Planning Applications written by Richard Gerhard Dowling and published by Transportation Research Board. This book was released on 1997 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: