Author:
Publisher: Aashto
ISBN:
Category : Express highways
Languages : en
Pages : 20

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Author:
Publisher:
ISBN:
Category : Express highways
Languages : en
Pages : 60

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Author:
Publisher: Amer Assn of State Hwy
ISBN: 9781560510314
Category : Bridge railings
Languages : en
Pages : 352

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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: 1560515082
Category : Technology & Engineering
Languages : en
Pages : 907

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Author: American Association of State Highway and Transportation Officials
Publisher: Aashto
ISBN: 9781560511663
Category : Technology & Engineering
Languages : en
Pages : 0

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Author:
Publisher: AASHTO
ISBN:
Category :
Languages : en
Pages : 12

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Author:
Publisher: AASHTO
ISBN: 1560512598
Category : Technology & Engineering
Languages : en
Pages : 138

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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: National Research Council
Publisher: National Academies Press
ISBN: 0309100887
Category : Political Science
Languages : en
Pages : 325

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All phases of road developmentâ€"from construction and use by vehicles to maintenanceâ€"affect physical and chemical soil conditions, water flow, and air and water quality, as well as plants and animals. Roads and traffic can alter wildlife habitat, cause vehicle-related mortality, impede animal migration, and disperse nonnative pest species of plants and animals. Integrating environmental considerations into all phases of transportation is an important, evolving process. The increasing awareness of environmental issues has made road development more complex and controversial. Over the past two decades, the Federal Highway Administration and state transportation agencies have increasingly recognized the importance of the effects of transportation on the natural environment. This report provides guidance on ways to reconcile the different goals of road development and environmental conservation. It identifies the ecological effects of roads that can be evaluated in the planning, design, construction, and maintenance of roads and offers several recommendations to help better understand and manage ecological impacts of paved roads.

Author:
Publisher: AASHTO
ISBN: 1560512717
Category : CD-ROMS.
Languages : en
Pages : 142

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Author: James O. Brewer
Publisher: DIANE Publishing
ISBN: 1428952330
Category : Roads
Languages : en
Pages : 63

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