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Author : Tsutomu Imada
Publisher :
ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.3/5 (555 download)
Download or read book FREQ8PE, a Freeway Corridor Simulation and Ramp Metering Optimization Model written by Tsutomu Imada and published by . This book was released on 1985 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Gordon
Publisher : Springer Science & Business Media
ISBN 13 : 1441907335
Total Pages : 219 pages
Book Rating : 4.4/5 (419 download)
Download or read book Intelligent Freeway Transportation Systems written by Robert Gordon and published by Springer Science & Business Media. This book was released on 2009-10-06 with total page 219 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intelligent Freeway Transportation Systems: Functional Design focuses on the efficient use of resources in the design of ITS. It discusses the principles of top down design starting with objectives and requirements, and provides guidance for the development and evaluation of functional design alternatives according to cost effectiveness principles. It shows how transportation planning principles such as Wardrop’s Laws and traffic diversion principles relate to functional ITS device selections and equipment locations. Methodologies for translating objectives to functional device types are provided. Application factors to identify device deployment densities (e.g. number of detectors per mile) as a function of traffic conditions are provided, as are evaluation models for evaluating the benefits of design alternatives based on traffic conditions. Design guidance and benefits evaluation include the following functions: (1) Non-recurrent congestion – Improvement of incident clearance time, (2) Non recurrent congestion – Incident information to motorists, (3) Recurrent congestion – Information to motorists, (4) Ramp metering, (5) Motorist service patrols.
Author : Charles A. Fuhs
Publisher : Transportation Research Board
ISBN 13 : 9780309053129
Total Pages : 92 pages
Book Rating : 4.0/5 (531 download)
Download or read book Preferential Lane Treatments for High-occupancy Vehicles written by Charles A. Fuhs and published by Transportation Research Board. This book was released on 1993 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: This synthesis will be of interest to transportation planners, highway engineers, environmental personnel, highway design engineers, transit planners, highway administrators, and others concerned with the planning, design, and operational features of preferential high- occupancy vehicle (HOV) lanes on highways. Information is provided on the current and proposed state of the practice in North America. This synthesis describes the state of the art with respect to preferential treatment for HOVs on highways. This report of the Transportation Research Board provides information on long-distance facilities, such as barrier-separated, concurrent-flow (separated and nonseparated), and contraflow facilities, as well as on short-distance facilities, such as queue by-pass lanes. Planning, design, and operational features of each treatment are described. The issues and operating results are described, and specific case studies are included.
Author : Carroll J. Messer
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.3/5 (91 download)
Download or read book Advanced Freeway System Ramp Metering Strategies for Texas written by Carroll J. Messer and published by . This book was released on 1993 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: Freeway ramp metering systems have been used to improve urban freeway flow. However, control strategies must be properly adjusted to account for ramp queues overflowing onto surface streets and provide equitable on-ramp control during various operating periods. An improved solution can be obtained by optimizing this problem simultaneously for a group of time slices. This study identifies and examines a microcomputer-based optimization scheme that can assist in developing efficient freeway control strategies for on-line freeway surveillance and control. A multi-level freeway control structure is employed for which ramp metering control algorithms are developed for each level of control. Flow-based and lane occupancy-based system algorithms are presented. Detailed data file requirements are provided for each control level. A microcomputer prototype, or laboratory test version of the system level, will be described in a companion project report.
Author : Robert Gordon
Publisher : Springer
ISBN 13 : 3319147684
Total Pages : 286 pages
Book Rating : 4.3/5 (191 download)
Download or read book Intelligent Transportation Systems written by Robert Gordon and published by Springer. This book was released on 2015-11-02 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intelligent Transportation Systems: Functional Design for Economical and Efficient Traffic Management provides practical guidance on the efficient use of resources in the design of ITS. The author explains how functional design alternatives can meet project objectives and requirements with optimal cost effectiveness and clarifies how transportation planning and traffic diversion principles relate to functional ITS device selections and equipment locations. Methodologies for translating objectives to functional device types, determining device deployment densities and determining the best placement of CCTV cameras and message signs are provided, as are models for evaluating the benefits of design alternatives based on traffic conditions. Readers will learn how to reduce recurrent congestion, improve incident clearance time in non-recurrent congestion, provide real-time incident information to motorists, and leverage transportation management center data for lane control through important new active transportation and demand management (ATDM) methods. Finally, the author examines exciting developments in connected vehicle technologies, exploring their potential to greatly improve safety, mobility and energy efficiency. This resource will greatly benefit all ITS designers and managers and is of pivotal importance for operating agencies performing evaluations to justify operational funding and system expansions.
Author : David B. Roden
Publisher :
ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.3/5 (555 download)
Download or read book FREQ7PE written by David B. Roden and published by . This book was released on 1980 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tsutomu Imada
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.3/5 (555 download)
Download or read book FREQ8PL, a Priority Lane Simulation Model written by Tsutomu Imada and published by . This book was released on 1985 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael James Cassidy
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.3/5 (555 download)
Download or read book Validation and Evaluation of Freeway Simulation Models written by Michael James Cassidy and published by . This book was released on 1995 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : K. Small
Publisher : Taylor & Francis
ISBN 13 : 1136461582
Total Pages : 205 pages
Book Rating : 4.1/5 (364 download)
Download or read book Urban Transportation Economics written by K. Small and published by Taylor & Francis. This book was released on 2013-07-04 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title provides a comprehensive review of the economics of urban transportation.
Author : Eunmi Park
Publisher :
ISBN 13 :
Total Pages : 498 pages
Book Rating : 4.:/5 (345 download)
Download or read book Critical Assessment of the Features of Two Ramp Metering Optimization Models written by Eunmi Park and published by . This book was released on 1993 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.3/5 (555 download)
Download or read book SR-126 Extension, I-5 to SR-14, Santa Clarita, Los Angeles County written by and published by . This book was released on 1992 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Cooperative Highway Research Program
Publisher :
ISBN 13 :
Total Pages : 540 pages
Book Rating : 4.3/5 (91 download)
Download or read book Synthesis of Highway Practice written by National Cooperative Highway Research Program and published by . This book was released on 1992 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 862 pages
Book Rating : 4.3/5 (91 download)
Download or read book Transportation Research Record written by and published by . This book was released on 1991 with total page 862 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dimitris A. Scapinakis
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.:/5 (318 download)
Download or read book Demand Estimation, Benefit Assessment, and Evaluation of On-freeway High Occupancy Vehicle Lanes written by Dimitris A. Scapinakis and published by . This book was released on 1991 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Panos G. Michalopoulos
Publisher :
ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.3/5 (555 download)
Download or read book Development of Traffic Simulation Laboratory for Design Planning and Traffic Operations (phase I). written by Panos G. Michalopoulos and published by . This book was released on 1996 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Institute of Transportation Engineers. Meeting
Publisher :
ISBN 13 :
Total Pages : 488 pages
Book Rating : 4.3/5 (555 download)
Download or read book Compendium of Technical Papers written by Institute of Transportation Engineers. Meeting and published by . This book was released on 1990 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gabriel Clemente Gomes
Publisher :
ISBN 13 :
Total Pages : 546 pages
Book Rating : 4.:/5 (34 download)
Download or read book Optimization and Microsimulation of On-ramp Metering for Congested Freeways written by Gabriel Clemente Gomes and published by . This book was released on 2004 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation investigates various aspect of the design and testing of on-ramp metering control systems, including optimization-based control and microscopic freeway modeling. A new technique for generating optimal metering plans is developed. As with most predictive designs, the ramp metering rates are found as the solution to a nonlinear optimization problem. In contrast to previous designs, the new approach 1) produces a globally optimal solution to the nonlinear problem, 2) requires only to solve a single linear program, and 3) allows the enforcement of hard constraints on the on-ramp queue lengths. The price that is paid for these features is that the objective function being minimized is not Total Travel Time, but rather a member of a class of "TTT-like" objective functions. A TTT-like objective function is defined as a linear combination of mainline flows with weights that, similarly to the Total Travel Time cost weights, decrease linearly in time from some initial value to zero at the final time. An example application of the technique shows that the globally optimal metering plan with respect to a TTT-like objective function also performs well in terms of Total Travel Time. A macroscopic analysis of local traffic-responsive ramp metering on a short stretch of freeway, with a single on-ramp and no offramps, is also presented. The study compares the performance of two popular local traffic-responsive ramp metering algorithms: Alinea and Percent-Occupancy, and addresses issues pertaining to parameter tuning and loop-detector placement. The second half of the dissertation describes the construction of a detailed microsimulation model of a stretch of Interstate 210 in Pasadena, CA. The VISSIM microsimulation package was used to create this model. Descriptions of the data gathering and processing procedures, bottleneck identification, network coding, and model calibration are provided. The model is used to test the performance of candidate local traffic-responsive controllers. Questions concerning the relative merits of these controllers, parameter tuning, and loop-detector placement are addressed in the context of the large-scale microscopic model.
