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Author: Margaret-Avis Akofio-Sowah Publisher: ISBN: Category : Cost effectiveness Languages : en Pages :
Book Description
Historically, transportation asset management has focused on roadways and bridges, but more recently, many agencies are looking to extend their programs to ancillary assets such as traffic signs and guardrails. This thesis investigates the state of practice of managing these assets in order to assess the data and system needs for successful program implementation, and further reviews the opportunities for making a business case for formal management procedures based on quantified benefits of managing ancillary assets. The asset classes, selected from a review of asset management literature, include culverts, earth retaining structures, guardrails, mitigation features, pavement markings, sidewalks and curbs, street lights, traffic signals, traffic signs and utilities and manholes, with data as an information asset. Findings from a literature review showed that a number of agencies have made substantial efforts to manage their ancillary transportation assets; however, methods and practices vary. Specific state and municipal agencies identified from the literature review were surveyed for further details on their practices. The survey results show significant knowledge gaps in data collection cost estimates, and cost savings from the implementation of a transportation asset management program for ancillary assets. Finally, this work evaluates the opportunities to quantify the benefits of ancillary transportation asset management, indicating several challenges due to a lack of the data needed. The results obtained highlight the current state of practice, revealing opportunities and challenges for improving the management of ancillary transportation assets.
Author: Margaret-Avis Akofio-Sowah Publisher: ISBN: Category : Cost effectiveness Languages : en Pages :
Book Description
Historically, transportation asset management has focused on roadways and bridges, but more recently, many agencies are looking to extend their programs to ancillary assets such as traffic signs and guardrails. This thesis investigates the state of practice of managing these assets in order to assess the data and system needs for successful program implementation, and further reviews the opportunities for making a business case for formal management procedures based on quantified benefits of managing ancillary assets. The asset classes, selected from a review of asset management literature, include culverts, earth retaining structures, guardrails, mitigation features, pavement markings, sidewalks and curbs, street lights, traffic signals, traffic signs and utilities and manholes, with data as an information asset. Findings from a literature review showed that a number of agencies have made substantial efforts to manage their ancillary transportation assets; however, methods and practices vary. Specific state and municipal agencies identified from the literature review were surveyed for further details on their practices. The survey results show significant knowledge gaps in data collection cost estimates, and cost savings from the implementation of a transportation asset management program for ancillary assets. Finally, this work evaluates the opportunities to quantify the benefits of ancillary transportation asset management, indicating several challenges due to a lack of the data needed. The results obtained highlight the current state of practice, revealing opportunities and challenges for improving the management of ancillary transportation assets.
Author: Sue McNeil Publisher: ISBN: Category : State transportation agencies Languages : en Pages : 380
Book Description
Although transportation agencies in the U.S. have been developing Asset Management Systems (AMS) for specific types of infrastructure assets, there are several barriers to the implementation of AMS. This paper documents the development of a generic methodology for quantifying the benefits derived from implementation of AMS and justifying investment in AMS implementation. The generic methodology involves three analysis methods: descriptive analysis, regression analysis, and benefit-cost analysis. This paper demonstrates how the methodology can be applied to evaluate the implementation of a pavement management system in terms of efficacy, effectiveness, and efficiency (3Es).
Author: Richard S. Boadi Publisher: ISBN: Category : Cost effectiveness Languages : en Pages :
Book Description
A growing number of transportation agencies have begun to manage selected ancillary transportation assets systematically--culverts, guardrails, pavement markings, sidewalks and curbs, street lighting, traffic signals, traffic signs, utilities and manholes, earth retaining structures, and environmental mitigation features. Given prevailing budget limitations, several agencies are interested in prioritizing these assets for inclusion in their existing management systems. This paper discusses critical elements of a framework for assessing the risks, benefits and costs of incorporating ancillary assets in existing Transportation Asset Management programs. The paper reviews some basic elements of a risk theory, examines risk applications in transportation asset management, water mains, and storm water management, and identifies the basic elements of a risk-benefit-cost framework for prioritizing ancillary assets for management. These elements can be used as a basis for developing a decision analysis framework to make a business case for the formal management of ancillary transportation assets and to prioritize them for inclusion in existing Transportation Asset Management programs. Using these elements, we have developed a risk ranking model that can be used by transportation officials to prioritize their ancillary asset classes for management. A demonstration of the model is presented in this paper to show its effectiveness. The study concludes that tracking and documentation of ancillary transportation asset failures would help agencies better understand the risks associated with failure. Tracking and documenting the failures of ancillary transportation assets would also help in identifying trends/probability of failure as well as quantifying the consequences associated with these failures. Such information could also be used to estimate risk factors to prioritize individual asset classes for inclusion in existing management systems.
Author: Ralph Haas Publisher: John Wiley & Sons ISBN: 1119038839 Category : Technology & Engineering Languages : en Pages : 432
Book Description
Comprehensive and practical, Pavement Asset Management provides an essential resource for educators, students and those in public agencies and consultancies who are directly responsible for managing road and airport pavements. The book is comprehensive in the integration of activities that go into having safe and cost-effective pavements using the best technologies and management processes available. This is accomplished in seven major parts, and 42 component chapters, ranging from the evolution of pavement management to date requirements to determining needs and priority programming of rehabilitation and maintenance, followed by structural design and economic analysis, implementation of pavement management systems, basic features of working systems and finally by a part on looking ahead. The most current methodologies and practical applications of managing pavements are described in this one-of-a-kind book. Real world up-to-date examples are provided, as well as an extensive list of references for each part.
Author: Publisher: ISBN: Category : Infrastructure (Economics) Languages : en Pages : 20
Book Description
Transportation Asset Management (TAM) is a strategic approach to maximize the benefits from resources used to operate, expand, and preserve the transportation infrastructure. It takes a long-term perspective of infrastructure performance and cost, and considers investment options in a comprehensive and informed way. TAM integrates the various disciplines related to infrastructure management, including planning, engineering, economics, and budgeting. It is systematic and fact based, and therefore dependent on good information and analytical capabilities. Economic analysis plays a critical role in TAM by facilitating tradeoff analysis, in which the net benefits of competing investment options are compared in terms of their "dollars and cents" impact on the public. Information from the analysis feeds back to planners and engineers, allowing them to identify the most beneficial investments.
Author: Daisuke Mizusawa Publisher: ISBN: 9780549057574 Category : Languages : en Pages : 299
Book Description
Finally, this research addressed strategies for successful AMS implementation derived from the SSM that analyzes how the needs should be applied to deal with barriers as well as the generic methodology for quantifying the benefits of AMS implementation and justifying investment in AMS implementation.
Author: Harry S. Cohen Publisher: ISBN: 9780309446761 Category : Cost effectiveness Languages : en Pages : 171
Book Description
Return on Investment in Transportation Asset Management Systems and Practices TRB's National Cooperative Highway Research Program (NCHRP) Research Report 866: Return on Investment in Transportation Asset Management Systems and Practices explores how transportation agencies manage their transportation assets, and provides guidance for evaluating the return on investment for adopting or expanding transportation asset management systems in an agency. As the term is most generally used, transportation asset management (TAM) entails the activities a transportation agency undertakes to develop and maintain the system of facilities and equipment--physical assets such as pavements, bridges, signs, signals, and the like--for which it is responsible. Based on the research team's work and the experiences of these agencies and others, the researchers describe a methodology that an agency may use to assess their own experience and to plan their investments in TAM system development or acquisition. A spreadsheet accompanies the research report helps agencies evaluate the return-on-investment of TAM systems.The tool allows users to summarize data from various simulation tools. The calculator also includes factors and procedures from the Highway Economic Requirements System State Version (HERS-ST) to estimate user benefits for pavement projects. It does not estimate user benefits for bridge projects. -- cf. http://www.trb.org/main/blurbs/177179.aspx.
Author: ZONGZHI. LI Publisher: CRC Press ISBN: 9781138748217 Category : Languages : en Pages :
Book Description
Transportation asset management delivers efficient and cost-effective investment decisions to support transportation infrastructure and system usage performance measured in economic, social, health, and environmental terms. It can be applied at national, state, and local levels. This is the first book to address asset management for multimodal transportation, taking account of system component interdependency, integration, and risk and uncertainty. It sets out rigorous quantitative and qualitative methods for addressing system goals, performance measures, and needs; data collection and management; performance modeling; project evaluation, selection, and trade-off analysis; innovative financing; and institutional issues. It applies as easily to static traffic and time-dependent or dynamic traffic which exists on a more local level. It is written for transportation planners, engineers, and academia, as well as a growing number of graduate students taking transportation asset management courses.
Author: Margaret-Avis Akofio-Sowah
Author: Margaret-Avis Akofio-Sowah
Author: Sue McNeil
Author: Richard S. Boadi
Author: Brad W. Allen
Author: Ralph Haas
Author: 
Author: 
Author: Daisuke Mizusawa
Author: Harry S. Cohen
Author: ZONGZHI. LI