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Author: Publisher: Amer Assn of State Hwy ISBN: 9781560510314 Category : Bridge railings Languages : en Pages : 352
Book Description
This document presents a synthesis of current information and operating practices related to roadside safety and is developed in metric units. The roadside is defined as that area beyond the traveled way (driving lanes) and the shoulder (if any) of the roadway itself. The focus of this guide is on safety treatments that minimize the likelihood of serious injuries when a driver runs off the road. This guide replaces the 1989 AASHTO "Roadside Design Guide."
Author: Publisher: Amer Assn of State Hwy ISBN: 9781560510314 Category : Bridge railings Languages : en Pages : 352
Book Description
This document presents a synthesis of current information and operating practices related to roadside safety and is developed in metric units. The roadside is defined as that area beyond the traveled way (driving lanes) and the shoulder (if any) of the roadway itself. The focus of this guide is on safety treatments that minimize the likelihood of serious injuries when a driver runs off the road. This guide replaces the 1989 AASHTO "Roadside Design Guide."
Author: American Association of State Highway and Transportation Officials Publisher: AASHTO ISBN: 1560510552 Category : Pavements Languages : en Pages : 622
Book Description
Design related project level pavement management - Economic evaluation of alternative pavement design strategies - Reliability / - Pavement design procedures for new construction or reconstruction : Design requirements - Highway pavement structural design - Low-volume road design / - Pavement design procedures for rehabilitation of existing pavements : Rehabilitation concepts - Guides for field data collection - Rehabilitation methods other than overlay - Rehabilitation methods with overlays / - Mechanistic-empirical design procedures.
Author: Ken Skorseth Publisher: ISBN: Category : Gravel roads Languages : en Pages : 112
Book Description
The purpose of this manual is to provide clear and helpful information for maintaining gravel roads. Very little technical help is available to small agencies that are responsible for managing these roads. Gravel road maintenance has traditionally been "more of an art than a science" and very few formal standards exist. This manual contains guidelines to help answer the questions that arise concerning gravel road maintenance such as: What is enough surface crown? What is too much? What causes corrugation? The information is as nontechnical as possible without sacrificing clear guidelines and instructions on how to do the job right.
Author: Publisher: AASHTO ISBN: 1560512598 Category : Technology & Engineering Languages : en Pages : 138
Book Description
Context-sensitive solutions (CSS) reflect the need to consider highway projects as more than just transportation facilities. Depending on how highway projects are integrated into the community, they can have far-reaching impacts beyond their traffic or transportation function. CSS is a comprehensive process that brings stakeholders together in a positive, proactive environment to develop projects that not only meet transportation needs, but also improve or enhance the community. Achieving a flexible, context-sensitive design solution requires designers to fully understand the reasons behind the processes, design values, and design procedures that are used. This AASHTO Guide shows highway designers how to think flexibly, how to recognize the many choices and options they have, and how to arrive at the best solution for the particular situation or context. It also strives to emphasize that flexible design does not necessarily entail a fundamentally new design process, but that it can be integrated into the existing transportation culture. This publication represents a major step toward institutionalizing CSS into state transportation departments and other agencies charged with transportation project development.
Author: American Association of State Highway and Transportation Officials Publisher: AASHTO ISBN: 1560514167 Category : Social Science Languages : en Pages : 275
Author: Sameh Zaghloul Publisher: ISBN: Category : Pavements Languages : en Pages : 224
Book Description
Arizona Department of Transportation (ADOT) has been one of the pioneering states in the development and implementation of Pavement Management System (PMS). Since the early 1980's, ADOT has been using pavement management tools to manage, maintain and preserve Arizona's highway network. ADOT's PMS tools were originally based on a probabilistic approach for modeling the pavement performance, which were adequate for the original ADOT requirements. Recently, ADOT has decided to expand the use of the PMS tools to also support the pavement maintenance operations. This required a change in the existing ADOT's PMS tools, which prompted a need to move to a different pavement management software. Subsequently, ADOT selected Stantec's Highway Pavement Management Application (HPMA) software to replace its pavement management system, and retained Stantec's services for structuring, data loading, model development, and implementing the HPMA. HPMA is a single software application that provides full database management and analysis capabilities required by the two types of users (PMS and Maintenance). The HPMA provides capability for users to work at both the detailed highway level and the aggregated section level. Also it provides a wide variety of analysis capabilities, including corrective maintenance, preventive maintenance, and rehabilitation analysis. This report documents the approach used to achieve the goals of this project including the customization of the HPMA to address ADOT requirements, the development of the analysis models, which are based on ADOT historic performance data, and the implementation of these analysis models in conducting a statewide analysis.
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Author: United States. Federal Highway Administration
Author: American Association of State Highway and Transportation Officials
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Author: Ken Skorseth
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Author: Arizona. Department of Library, Archives & Public Records
Author: American Association of State Highway and Transportation Officials
Author: Sameh Zaghloul