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Author:
Publisher:
ISBN:
Category : Air travel
Languages : en
Pages : 644
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Author:
Publisher:
ISBN:
Category : Air travel
Languages : en
Pages : 644
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Author: J. W. C. van Lint
Publisher:
ISBN:
Category : Neural networks (Computer science)
Languages : en
Pages : 332
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Author: Prahlad D. Pant
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 64
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Book Description
A freeway construction work zone creates conflicts between vehicular traffic and work activity. The closure of one or more lanes of a freeway section causes a bottleneck on the freeway and reduces the capacity in the work zone, which can lead to conditions that violate the expectations of the motorists. Such a work zone situation is a challenge to one of the main objectives of a traffic management system, that is, to maintain "the safe and efficient movement of traffic." The advance warning area of a traffic control zone represents the area in which the motorists are informed as to what they can expect ahead. The information which is normally provided to the motorists include the type of construction activity, type of lane closure, extent of the work zone, and whether there are available alternate routes to avoid the construction all together. This information is given on static signs, or electronic portable changeable message signs (CMS) by way of static preprogrammed messages.
Author:
Publisher:
ISBN:
Category : Highway capacity
Languages : en
Pages : 258
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Author: Helmut T. Zwahlen
Publisher:
ISBN:
Category : Traffic congestion
Languages : en
Pages : 228
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The project focuses on two major issues - the improvement of current work zone design practices and an analysis of vehicle interarrival time (IAT) and speed distributions for the development of a digital computer simulation model for queues and travel delays in work zones. Important considerations in the development of work zone design guidelines include guidance, delineation, and the safety of workers and drivers. A nationwide survey of current work zone best practices was conducted. Based on the review of the existing ODOT guidelines, superior practices available in other states, relevant research, and professional judgment of personnel involved in work zone activities, a set of guidelines for work zone design are proposed. It is anticipated that these research findings will result in the better design of work zones which will minimize traffic delays and improve safety. In the second part of the project trailers, each using two Wavetronix microwave radar units in side-fire mode, were developed to nonintrusively measure traffic. The traffic was measured at six work zones sites with different types of lane configurations at different freeways in Ohio. Traffic on the road was also independently measured using video and radar, and the results compared to records from the trailers to verify that the trailers were measuring the traffic with reasonable accuracy. IAT data of successive vehicles in freeflowing traffic ahead of work zones were analyzed and IAT distributions were generated as a function of the traffic volume for each lane and relationships between traffic volumes and cumulative IAT distributions were established allowing a direct conversion from hourly traffic counts to corresponding cumulative IAT distributions. This conversion method produces fairly accurate cumulative IAT distributions for selected hourly traffic volumes. It was also found that the same cumulative IAT distribution can be used to model the free-flowing traffic at other freeway locations in Ohio, which means that the IAT distributions are portable and scalable and a microscopic digital computer simulation model based on queueing theory may be developed to investigate traffic delays in work zones.
Author: Vijay Bheemaiah
Publisher:
ISBN:
Category : Case-based reasoning
Languages : en
Pages : 114
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Author: MKP
Publisher: Elsevier
ISBN: 1483298604
Category : Computers
Languages : en
Pages : 625
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Book Description
Uncertainty Proceedings 1994
Author: Symeon Christodoulou
Publisher: CRC Press
ISBN: 1315386895
Category : Business & Economics
Languages : en
Pages : 699
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Book Description
eWork and eBusiness in Architecture, Engineering and Construction 2016 collects the papers presented at the 11th European Conference on Product & Process Modelling (ECPPM 2016, Cyprus, 7-9 September 2016), The contributions cover complementary thematic areas that hold great promise for the advancement of research and technological development in the modelling of complex engineering systems, encompassing a substantial number of high quality contributions on a large spectrum of topics pertaining to ICT deployment instances in AEC/FM, including: • Information and Knowledge Management • Construction Management • Description Logics and Ontology Application in AEC • Risk Management • 5D/nD Modelling, Simulation and Augmented Reality • Infrastructure Condition Assessment • Standardization of Data Structures • Regulatory and Legal Aspects • Multi-Model and distributed Data Management • System Identification • Industrialized Production, Smart Products and Services • Interoperability • Smart Cities • Sustainable Buildings and Urban Environments • Collaboration and Teamwork • BIM Implementation and Deployment • Building Performance Simulation • Intelligent Catalogues and Services
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 768
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Author: Piet H. L. Bovy
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 360
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